annotate Objects/typeobject.c @ 52039:bebc4eef9e89

Blocked revisions 70166-70167,70169,70176,70178,70197 via svnmerge ........ r70166 | georg.brandl | 2009-03-04 12:24:41 -0600 (Wed, 04 Mar 2009) | 2 lines Remove obsolete stuff from string module docs. ........ r70167 | ronald.oussoren | 2009-03-04 15:07:19 -0600 (Wed, 04 Mar 2009) | 2 lines Fix issue 5224. ........ r70169 | ronald.oussoren | 2009-03-04 15:12:17 -0600 (Wed, 04 Mar 2009) | 2 lines Fix for issue 5226. ........ r70176 | ronald.oussoren | 2009-03-04 15:35:05 -0600 (Wed, 04 Mar 2009) | 2 lines Fixes issues 3883 and 5194 ........ r70178 | ronald.oussoren | 2009-03-04 16:49:36 -0600 (Wed, 04 Mar 2009) | 2 lines Fix for issue #1113328. ........ r70197 | jesus.cea | 2009-03-05 13:37:37 -0600 (Thu, 05 Mar 2009) | 1 line Minor bsddb documentation glitch ........
author Benjamin Peterson <benjamin@python.org>
date Thu, 05 Mar 2009 22:53:54 +0000
parents 8cfa108e7bdc
children 3ab2e52d8d19
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1 /* Type object implementation */
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2
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3 #include "Python.h"
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4 #include "frameobject.h"
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5 #include "structmember.h"
6
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6
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7 #include <ctype.h>
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8
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9
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10 /* Support type attribute cache */
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11
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12 /* The cache can keep references to the names alive for longer than
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13 they normally would. This is why the maximum size is limited to
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14 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
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15 strings are used as attribute names. */
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16 #define MCACHE_MAX_ATTR_SIZE 100
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17 #define MCACHE_SIZE_EXP 10
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18 #define MCACHE_HASH(version, name_hash) \
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19 (((unsigned int)(version) * (unsigned int)(name_hash)) \
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20 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
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21 #define MCACHE_HASH_METHOD(type, name) \
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22 MCACHE_HASH((type)->tp_version_tag, \
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23 ((PyUnicodeObject *)(name))->hash)
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24 #define MCACHE_CACHEABLE_NAME(name) \
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25 PyUnicode_CheckExact(name) && \
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26 PyUnicode_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE
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27
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28 struct method_cache_entry {
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29 unsigned int version;
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30 PyObject *name; /* reference to exactly a str or None */
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31 PyObject *value; /* borrowed */
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32 };
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33
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34 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
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35 static unsigned int next_version_tag = 0;
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36
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37 unsigned int
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38 PyType_ClearCache(void)
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39 {
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40 Py_ssize_t i;
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41 unsigned int cur_version_tag = next_version_tag - 1;
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42
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43 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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44 method_cache[i].version = 0;
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45 Py_CLEAR(method_cache[i].name);
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46 method_cache[i].value = NULL;
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47 }
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48 next_version_tag = 0;
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49 /* mark all version tags as invalid */
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50 PyType_Modified(&PyBaseObject_Type);
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51 return cur_version_tag;
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52 }
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53
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54 void
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55 PyType_Modified(PyTypeObject *type)
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56 {
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57 /* Invalidate any cached data for the specified type and all
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58 subclasses. This function is called after the base
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59 classes, mro, or attributes of the type are altered.
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60
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61 Invariants:
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62
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63 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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64 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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65 objects coming from non-recompiled extension modules)
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66
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67 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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68 it must first be set on all super types.
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69
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70 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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71 type (so it must first clear it on all subclasses). The
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72 tp_version_tag value is meaningless unless this flag is set.
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73 We don't assign new version tags eagerly, but only as
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74 needed.
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75 */
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76 PyObject *raw, *ref;
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77 Py_ssize_t i, n;
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78
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79 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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80 return;
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81
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82 raw = type->tp_subclasses;
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83 if (raw != NULL) {
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84 n = PyList_GET_SIZE(raw);
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85 for (i = 0; i < n; i++) {
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86 ref = PyList_GET_ITEM(raw, i);
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87 ref = PyWeakref_GET_OBJECT(ref);
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88 if (ref != Py_None) {
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89 PyType_Modified((PyTypeObject *)ref);
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90 }
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91 }
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92 }
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93 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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94 }
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95
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96 static void
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97 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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98 /*
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99 Check that all base classes or elements of the mro of type are
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100 able to be cached. This function is called after the base
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101 classes or mro of the type are altered.
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102
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103 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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104 inherits from an old-style class, either directly or if it
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105 appears in the MRO of a new-style class. No support either for
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106 custom MROs that include types that are not officially super
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107 types.
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108
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109 Called from mro_internal, which will subsequently be called on
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110 each subclass when their mro is recursively updated.
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111 */
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112 Py_ssize_t i, n;
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113 int clear = 0;
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114
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115 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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116 return;
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117
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118 n = PyTuple_GET_SIZE(bases);
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119 for (i = 0; i < n; i++) {
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120 PyObject *b = PyTuple_GET_ITEM(bases, i);
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121 PyTypeObject *cls;
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122
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123 if (!PyType_Check(b) ) {
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124 clear = 1;
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125 break;
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126 }
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127
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128 cls = (PyTypeObject *)b;
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129
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130 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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131 !PyType_IsSubtype(type, cls)) {
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132 clear = 1;
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133 break;
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134 }
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135 }
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136
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137 if (clear)
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138 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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139 Py_TPFLAGS_VALID_VERSION_TAG);
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140 }
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141
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142 static int
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143 assign_version_tag(PyTypeObject *type)
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144 {
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145 /* Ensure that the tp_version_tag is valid and set
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146 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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147 must first be done on all super classes. Return 0 if this
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148 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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149 */
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150 Py_ssize_t i, n;
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151 PyObject *bases;
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152
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153 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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154 return 1;
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155 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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156 return 0;
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157 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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158 return 0;
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159
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160 type->tp_version_tag = next_version_tag++;
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161 /* for stress-testing: next_version_tag &= 0xFF; */
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162
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163 if (type->tp_version_tag == 0) {
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164 /* wrap-around or just starting Python - clear the whole
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165 cache by filling names with references to Py_None.
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166 Values are also set to NULL for added protection, as they
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167 are borrowed reference */
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168 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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169 method_cache[i].value = NULL;
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170 Py_XDECREF(method_cache[i].name);
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171 method_cache[i].name = Py_None;
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172 Py_INCREF(Py_None);
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173 }
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174 /* mark all version tags as invalid */
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175 PyType_Modified(&PyBaseObject_Type);
44654
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176 return 1;
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177 }
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178 bases = type->tp_bases;
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179 n = PyTuple_GET_SIZE(bases);
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180 for (i = 0; i < n; i++) {
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181 PyObject *b = PyTuple_GET_ITEM(bases, i);
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182 assert(PyType_Check(b));
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183 if (!assign_version_tag((PyTypeObject *)b))
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184 return 0;
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185 }
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186 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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187 return 1;
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188 }
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189
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190
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
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191 static PyMemberDef type_members[] = {
18933
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192 {"__basicsize__", T_INT, offsetof(PyTypeObject,tp_basicsize),READONLY},
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193 {"__itemsize__", T_INT, offsetof(PyTypeObject, tp_itemsize), READONLY},
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194 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
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195 {"__weakrefoffset__", T_LONG,
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196 offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
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197 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
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198 {"__dictoffset__", T_LONG,
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199 offsetof(PyTypeObject, tp_dictoffset), READONLY},
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200 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
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201 {0}
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202 };
6
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203
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204 static PyObject *
19300
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205 type_name(PyTypeObject *type, void *context)
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206 {
35999
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207 const char *s;
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208
26448
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209 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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210 PyHeapTypeObject* et = (PyHeapTypeObject*)type;
26575
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211
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
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212 Py_INCREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
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213 return et->ht_name;
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214 }
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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215 else {
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216 s = strrchr(type->tp_name, '.');
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217 if (s == NULL)
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218 s = type->tp_name;
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219 else
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220 s++;
42013
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parents: 41824
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221 return PyUnicode_FromString(s);
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222 }
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223 }
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224
26421
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parents: 26410
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225 static int
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diff changeset
226 type_set_name(PyTypeObject *type, PyObject *value, void *context)
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diff changeset
227 {
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228 PyHeapTypeObject* et;
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229 char *tp_name;
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230 PyObject *tmp;
26421
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231
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
232 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
233 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
234 "can't set %s.__name__", type->tp_name);
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
235 return -1;
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
236 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
237 if (!value) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
238 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
239 "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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240 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
241 }
42854
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Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
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242 if (!PyUnicode_Check(value)) {
26421
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parents: 26410
diff changeset
243 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
244 "can only assign string to %s.__name__, not '%s'",
44351
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Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
245 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
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246 return -1;
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
247 }
43755
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248
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249 /* Check absence of null characters */
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250 tmp = PyUnicode_FromStringAndSize("\0", 1);
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251 if (tmp == NULL)
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252 return -1;
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253 if (PyUnicode_Contains(value, tmp) != 0) {
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254 Py_DECREF(tmp);
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
255 PyErr_Format(PyExc_ValueError,
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
parents: 43292
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256 "__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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257 return -1;
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
258 }
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
259 Py_DECREF(tmp);
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
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260
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
261 tp_name = _PyUnicode_AsString(value);
42862
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
262 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
263 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
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264
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265 et = (PyHeapTypeObject*)type;
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266
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267 Py_INCREF(value);
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268
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269 Py_DECREF(et->ht_name);
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270 et->ht_name = value;
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271
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272 type->tp_name = tp_name;
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273
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274 return 0;
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275 }
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276
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277 static PyObject *
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278 type_module(PyTypeObject *type, void *context)
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279 {
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280 PyObject *mod;
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281 char *s;
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282
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283 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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284 mod = PyDict_GetItemString(type->tp_dict, "__module__");
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285 if (!mod) {
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286 PyErr_Format(PyExc_AttributeError, "__module__");
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287 return 0;
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288 }
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289 Py_XINCREF(mod);
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290 return mod;
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291 }
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292 else {
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293 s = strrchr(type->tp_name, '.');
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294 if (s != NULL)
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295 return PyUnicode_FromStringAndSize(
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296 type->tp_name, (Py_ssize_t)(s - type->tp_name));
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297 return PyUnicode_FromString("builtins");
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298 }
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299 }
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300
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301 static int
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302 type_set_module(PyTypeObject *type, PyObject *value, void *context)
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303 {
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304 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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305 PyErr_Format(PyExc_TypeError,
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306 "can't set %s.__module__", type->tp_name);
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307 return -1;
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308 }
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309 if (!value) {
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310 PyErr_Format(PyExc_TypeError,
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311 "can't delete %s.__module__", type->tp_name);
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312 return -1;
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313 }
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314
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315 PyType_Modified(type);
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316
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317 return PyDict_SetItemString(type->tp_dict, "__module__", value);
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318 }
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319
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320 static PyObject *
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321 type_abstractmethods(PyTypeObject *type, void *context)
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322 {
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323 PyObject *mod = PyDict_GetItemString(type->tp_dict,
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324 "__abstractmethods__");
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325 if (!mod) {
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326 PyErr_Format(PyExc_AttributeError, "__abstractmethods__");
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327 return NULL;
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328 }
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329 Py_XINCREF(mod);
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330 return mod;
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331 }
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332
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333 static int
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334 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
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335 {
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336 /* __abstractmethods__ should only be set once on a type, in
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337 abc.ABCMeta.__new__, so this function doesn't do anything
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338 special to update subclasses.
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339 */
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340 int res = PyDict_SetItemString(type->tp_dict,
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341 "__abstractmethods__", value);
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342 if (res == 0) {
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343 PyType_Modified(type);
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344 if (value && PyObject_IsTrue(value)) {
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345 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
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346 }
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347 else {
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348 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
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349 }
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350 }
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351 return res;
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352 }
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353
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354 static PyObject *
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355 type_get_bases(PyTypeObject *type, void *context)
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356 {
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357 Py_INCREF(type->tp_bases);
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358 return type->tp_bases;
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359 }
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360
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361 static PyTypeObject *best_base(PyObject *);
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362 static int mro_internal(PyTypeObject *);
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363 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
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364 static int add_subclass(PyTypeObject*, PyTypeObject*);
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365 static void remove_subclass(PyTypeObject *, PyTypeObject *);
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366 static void update_all_slots(PyTypeObject *);
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367
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368 typedef int (*update_callback)(PyTypeObject *, void *);
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369 static int update_subclasses(PyTypeObject *type, PyObject *name,
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370 update_callback callback, void *data);
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371 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
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372 update_callback callback, void *data);
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373
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374 static int
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
375 mro_subclasses(PyTypeObject *type, PyObject* temp)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
376 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
377 PyTypeObject *subclass;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
378 PyObject *ref, *subclasses, *old_mro;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
379 Py_ssize_t i, n;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
380
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
381 subclasses = type->tp_subclasses;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
382 if (subclasses == NULL)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
383 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
384 assert(PyList_Check(subclasses));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
385 n = PyList_GET_SIZE(subclasses);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
386 for (i = 0; i < n; i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
387 ref = PyList_GET_ITEM(subclasses, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
388 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
389 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
390 assert(subclass != NULL);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
391 if ((PyObject *)subclass == Py_None)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
392 continue;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
393 assert(PyType_Check(subclass));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
394 old_mro = subclass->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
395 if (mro_internal(subclass) < 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
396 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
397 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
398 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
399 else {
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
400 PyObject* tuple;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
401 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
402 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
403 if (!tuple)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
404 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
405 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
406 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
407 Py_DECREF(tuple);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
408 }
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
409 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
410 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
411 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
412 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
413 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
414
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
415 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
416 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
417 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
418 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
419 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
420 PyObject *ob, *temp;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
421 PyTypeObject *new_base, *old_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
422 PyObject *old_bases, *old_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
423
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
424 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
425 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
426 "can't set %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
427 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
428 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
429 if (!value) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
430 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
431 "can't delete %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
432 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
433 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
434 if (!PyTuple_Check(value)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
435 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
436 "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
437 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
438 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
439 }
26645
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
440 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
441 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
442 "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
443 type->tp_name);
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
444 return -1;
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
445 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
446 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
447 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
448 if (!PyType_Check(ob)) {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
449 PyErr_Format(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
450 PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
451 "%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
452 type->tp_name, Py_TYPE(ob)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
453 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
454 }
26440
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
455 if (PyType_Check(ob)) {
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
456 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
457 PyErr_SetString(PyExc_TypeError,
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
458 "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
459 return -1;
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
460 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
461 }
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 new_base = best_base(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
465
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
466 if (!new_base) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
467 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
468 }
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 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
471 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
472
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
473 Py_INCREF(new_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
474 Py_INCREF(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
475
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
476 old_bases = type->tp_bases;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
477 old_base = type->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
478 old_mro = type->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
479
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
480 type->tp_bases = value;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
481 type->tp_base = new_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
482
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
483 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
484 goto bail;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
485 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
486
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
487 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
488 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
489 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
490
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
491 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
492
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
493 if (r < 0) {
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
494 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
495 PyTypeObject* cls;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
496 PyObject* mro;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
497 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
498 "", 2, 2, &cls, &mro);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
499 Py_INCREF(mro);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
500 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
501 cls->tp_mro = mro;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
502 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
503 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
504 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
505 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
506 }
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 Py_DECREF(temp);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
509
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
510 /* any base that was in __bases__ but now isn't, we
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
511 need to remove |type| from its tp_subclasses.
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
512 conversely, any class now in __bases__ that wasn't
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
513 needs to have |type| added to its subclasses. */
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
514
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
515 /* 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
516 add to all new_bases */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
517
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
518 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
519 ob = PyTuple_GET_ITEM(old_bases, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
520 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
521 remove_subclass(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
522 (PyTypeObject*)ob, type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
523 }
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 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
527 ob = PyTuple_GET_ITEM(value, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
528 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
529 if (add_subclass((PyTypeObject*)ob, type) < 0)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
530 r = -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
531 }
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 update_all_slots(type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
535
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
536 Py_DECREF(old_bases);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
537 Py_DECREF(old_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
538 Py_DECREF(old_mro);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
539
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
540 return r;
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
541
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
542 bail:
30084
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
543 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
544 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
545 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
546 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
547 }
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
548
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
549 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
550 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
551 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
552
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
553 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
554 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
555
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
556 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
557 type_dict(PyTypeObject *type, void *context)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
558 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
559 if (type->tp_dict == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
560 Py_INCREF(Py_None);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
561 return Py_None;
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
562 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
563 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
564 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
565
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
566 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
567 type_get_doc(PyTypeObject *type, void *context)
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
568 {
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
569 PyObject *result;
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
570 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
571 return PyUnicode_FromString(type->tp_doc);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
572 result = PyDict_GetItemString(type->tp_dict, "__doc__");
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
573 if (result == NULL) {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
574 result = Py_None;
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
575 Py_INCREF(result);
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
576 }
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
577 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
578 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
579 (PyObject *)type);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
580 }
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
581 else {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
582 Py_INCREF(result);
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
583 }
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
584 return result;
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
585 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
586
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
587 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
588 type___instancecheck__(PyObject *type, PyObject *inst)
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
589 {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
590 switch (_PyObject_RealIsInstance(inst, type)) {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
591 case -1:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
592 return NULL;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
593 case 0:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
594 Py_RETURN_FALSE;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
595 default:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
596 Py_RETURN_TRUE;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
597 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
598 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
599
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
600
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
601 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
602 type_get_instancecheck(PyObject *type, void *context)
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
603 {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
604 static PyMethodDef ml = {"__instancecheck__",
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
605 type___instancecheck__, METH_O };
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
606 return PyCFunction_New(&ml, type);
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
607 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
608
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
609 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
610 type___subclasscheck__(PyObject *type, PyObject *inst)
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
611 {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
612 switch (_PyObject_RealIsSubclass(inst, type)) {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
613 case -1:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
614 return NULL;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
615 case 0:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
616 Py_RETURN_FALSE;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
617 default:
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
618 Py_RETURN_TRUE;
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
619 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
620 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
621
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
622 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
623 type_get_subclasscheck(PyObject *type, void *context)
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
624 {
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
625 static PyMethodDef ml = {"__subclasscheck__",
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
626 type___subclasscheck__, METH_O };
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
627 return PyCFunction_New(&ml, type);
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
628 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
629
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
630 static PyGetSetDef type_getsets[] = {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
631 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
632 {"__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
633 {"__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
634 {"__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
635 (setter)type_set_abstractmethods, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
636 {"__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
637 {"__doc__", (getter)type_get_doc, NULL, NULL},
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
638 {"__instancecheck__", (getter)type_get_instancecheck, NULL, NULL},
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
639 {"__subclasscheck__", (getter)type_get_subclasscheck, NULL, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
640 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
641 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
642
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
643 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
644 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
645 {
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
646 PyObject *mod, *name, *rtn;
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
647
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
648 mod = type_module(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
649 if (mod == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
650 PyErr_Clear();
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
651 else if (!PyUnicode_Check(mod)) {
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
652 Py_DECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
653 mod = NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
654 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
655 name = type_name(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
656 if (name == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
657 return NULL;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
658
46336
56e49952d1a4 Bug #2565: The repr() of type objects now calls them 'class',
Martin v. Löwis <martin@v.loewis.de>
parents: 45549
diff changeset
659 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
660 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
661 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
662 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
663
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
664 Py_XDECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
665 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
666 return rtn;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
667 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
668
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
669 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
670 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
671 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
672 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
673
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
674 if (type->tp_new == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
675 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
676 "cannot create '%.100s' instances",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
677 type->tp_name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
678 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
679 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
680
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
681 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
682 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
683 /* 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
684 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
685 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
686 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
687 (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
688 (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
689 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
690 /* 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
691 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
692 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
693 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
694 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
695 if (type->tp_init != NULL &&
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
696 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
697 Py_DECREF(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
698 obj = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
699 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
700 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
701 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
702 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
703
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
704 PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
705 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
706 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
707 PyObject *obj;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
708 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
709 /* 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
710
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
711 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
712 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
713 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
714 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
715
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
716 if (obj == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
717 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
718
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
719 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
720
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
721 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
722 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
723
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
724 if (type->tp_itemsize == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
725 PyObject_INIT(obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
726 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
727 (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
728
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
729 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
730 _PyObject_GC_TRACK(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
731 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
732 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
733
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
734 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
735 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
736 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
737 return type->tp_alloc(type, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
738 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
739
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
740 /* 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
741
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
742 static int
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
743 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
744 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
745 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
746 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
747
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
748 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
749 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
750 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
751 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
752 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
753 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
754 if (obj != NULL) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
755 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
756 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
757 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
758 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
759 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
760 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
761 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
762 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
763
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
764 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
765 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
766 {
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
767 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
768 traverseproc basetraverse;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
769
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
770 /* 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
771 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
772 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
773 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
774 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
775 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
776 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
777 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
778 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
779 }
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
780 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
781 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
782 }
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
783
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
784 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
785 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
786 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
787 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
788 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
789
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
790 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
791 /* 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
792 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
793 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
794 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
795
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
796 if (basetraverse)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
797 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
798 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
799 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
800
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
801 static void
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
802 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
803 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
804 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
805 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
806
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
807 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
808 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
809 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
810 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
811 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
812 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
813 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
814 *(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
815 Py_DECREF(obj);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
816 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
817 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
818 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
819 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
820
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
821 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
822 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
823 {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
824 PyTypeObject *type, *base;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
825 inquiry baseclear;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
826
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
827 /* 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
828 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
829 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
830 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
831 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
832 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
833 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
834 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
835 assert(base);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
836 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
837
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
838 /* 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
839 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
840
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
841 if (baseclear)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
842 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
843 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
844 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
845
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
846 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
847 subtype_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
848 {
21246
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
849 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
850 destructor basedealloc;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
851
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
852 /* 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
853 type = Py_TYPE(self);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
854 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
855
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
856 /* 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
857
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
858 if (!PyType_IS_GC(type)) {
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
859 /* 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
860 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
861 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
862 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
863 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
864
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
865 /* 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
866 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
867 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
868 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
869 return;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
870 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
871
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
872 /* 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
873 base = type;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
874 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
875 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
876 base = base->tp_base;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
877 assert(base);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
878 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
879
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
880 /* Call the base tp_dealloc() */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
881 assert(basedealloc);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
882 basedealloc(self);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
883
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
884 /* 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
885 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
886
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
887 /* Done */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
888 return;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
889 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
890
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
891 /* 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
892
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
893 /* UnTrack and re-Track around the trashcan macro, alas */
27717
41313d20d1dd Comment typo fix
Andrew M. Kuchling <amk@amk.ca>
parents: 27707
diff changeset
894 /* 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
895 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
896 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
897 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
898 --_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
899 /* 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
900 * (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
901 * 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
902 * 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
903 */
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
904
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
905 /* 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
906 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
907 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
908 base = base->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
909 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
910 }
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
911
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
912 /* 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
913 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
914 dict. */
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
915
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
916 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
917 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
918
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
919 /* 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
920 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
921 _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
922 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
923 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
924 goto endlabel; /* resurrected */
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
925 else
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
926 _PyObject_GC_UNTRACK(self);
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
927 /* 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
928 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
929 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
930 being finalized that has already been destroyed. */
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
931 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
932 /* Modeled after GET_WEAKREFS_LISTPTR() */
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
933 PyWeakReference **list = (PyWeakReference **) \
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
934 PyObject_GET_WEAKREFS_LISTPTR(self);
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
935 while (*list)
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
936 _PyWeakref_ClearRef(*list);
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
937 }
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
938 }
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
939
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
940 /* 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
941 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
942 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
943 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
944 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
945 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
946 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
947 }
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
948
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
949 /* 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
950 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
951 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
952 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
953 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
954 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
955 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
956 *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
957 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
958 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
959 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
960
30917
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
961 /* 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
962 * basedealloc knows about gc.
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
963 */
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
964 if (PyType_IS_GC(base))
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
965 _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
966 assert(basedealloc);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
967 basedealloc(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
968
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
969 /* 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
970 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
971
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
parents: 24614
diff changeset
972 endlabel:
27707
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Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
973 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
974 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
975 --_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
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 /* 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
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 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
980
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
981 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
982 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
983 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
984 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
985 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
986
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
987 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
988 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
989
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
990 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
991 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
992 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
993 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
994 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
995 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
996 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
997 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
998
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
999 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
1000 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
1001 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
1002
41554
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parents: 41501
diff changeset
1003 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
1004 It's nowhere near immediately.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1005
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1006 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
1007 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
1008 (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
1009 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
1010 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
1011 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
1012
27707
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parents: 27132
diff changeset
1013 Q. Why the bizarre (net-zero) manipulation of
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
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parents: 27132
diff changeset
1014 _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
1015
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 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
1017 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
1018
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 - 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
1020
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 - 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
1022
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 - the trashcan limit is not yet reached, so the trashcan level
41554
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parents: 41501
diff changeset
1024 is incremented and the code between trashcan begin and end is
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41501
diff changeset
1025 executed
27707
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parents: 27132
diff changeset
1026
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 - this destroys much of the object's contents, including its
41554
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parents: 41501
diff changeset
1028 slots and __dict__
27707
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parents: 27132
diff changeset
1029
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
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parents: 27132
diff changeset
1030 - basedealloc() is called; this is really list_dealloc(), or
41554
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parents: 41501
diff changeset
1031 some other type which also uses the trashcan macros
27707
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parents: 27132
diff changeset
1032
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
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parents: 27132
diff changeset
1033 - the trashcan limit is now reached, so the object is put on the
41554
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parents: 41501
diff changeset
1034 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
1035
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
1036 - 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
1037
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
1038 - 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
1039
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
1040 - 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
1041
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
1042 - 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
1043 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
1044
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
1045 - 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
1046
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
1047 - 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
1048 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
1049 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
1050
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
1051 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
1052 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
1053 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
1054 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
1055 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
1056 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
1057
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
1058 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
1059 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
1060 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
1061 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
1062 *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
1063 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
1064 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
1065
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
1066 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
1067 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
1068
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
1069 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
1070 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
1071 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
1072 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
1073 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1074 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1075
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1076 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
1077
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1078 /* type test with subclassing support */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1079
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1080 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1081 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1082 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1083 PyObject *mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1084
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1085 mro = a->tp_mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1086 if (mro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1087 /* Deal with multiple inheritance without recursion
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1088 by walking the MRO tuple */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1089 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1090 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1091 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1092 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1093 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
1094 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1095 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1096 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1097 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1098 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1099 /* 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
1100 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1101 if (a == b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1102 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1103 a = a->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1104 } while (a != NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1105 return b == &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1106 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1107 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1108
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1109 /* 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
1110 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
1111 (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
1112 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
1113 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
1114 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
1115
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1116 Two variants:
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1117
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1118 - 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
1119 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
1120
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1121 - 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
1122 */
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
1123
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
1124 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1125 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
1126 {
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
1127 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
1128
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
1129 if (*attrobj == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1130 *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
1131 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
1132 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
1133 }
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
1134 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
1135 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
1136 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
1137 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
1138 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
1139 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
1140 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
1141 }
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
1142 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
1143 }
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
1144
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1145 static PyObject *
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1146 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
1147 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1148 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
1149 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
1150 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
1151 return res;
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
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1154 /* 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
1155 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
1156 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
1157
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1158 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
1159 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
1160 {
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1161 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
1162 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
1163 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
1164
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1165 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
1166 if (func == NULL) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1167 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1168 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
1169 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
1170 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1171 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1172
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1173 if (format && *format)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1174 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
1175 else
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1176 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
1177
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1178 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1179
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1180 if (args == NULL)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1181 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1182
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1183 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
1184 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
1185
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1186 Py_DECREF(args);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1187 Py_DECREF(func);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1188
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1189 return retval;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1190 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1191
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1192 /* 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
1193
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1194 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1195 call_maybe(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1196 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1197 va_list va;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1198 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
1199 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
1200
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1201 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
1202 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
1203 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
1204 if (!PyErr_Occurred()) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1205 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
1206 return Py_NotImplemented;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1207 }
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1208 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
1209 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1210
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1211 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
1212 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
1213 else
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1214 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
1215
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1216 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
1217
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1218 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
1219 return NULL;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1220
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1221 assert(PyTuple_Check(args));
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1222 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
1223
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1224 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
1225 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
1226
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1227 return retval;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1228 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1229
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1230 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1231 Method resolution order algorithm C3 described in
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1232 "A Monotonic Superclass Linearization for Dylan",
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1233 by Kim Barrett, Bob Cassel, Paul Haahr,
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1234 David A. Moon, Keith Playford, and P. Tucker Withington.
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1235 (OOPSLA 1996)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1236
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1237 Some notes about the rules implied by C3:
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1238
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1239 No duplicate bases.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1240 It isn't legal to repeat a class in a list of base classes.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1241
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1242 The next three properties are the 3 constraints in "C3".
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1243
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1244 Local precendece order.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1245 If A precedes B in C's MRO, then A will precede B in the MRO of all
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1246 subclasses of C.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1247
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1248 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1249 The MRO of a class must be an extension without reordering of the
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1250 MRO of each of its superclasses.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1251
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1252 Extended Precedence Graph (EPG).
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1253 Linearization is consistent if there is a path in the EPG from
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1254 each class to all its successors in the linearization. See
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1255 the paper for definition of EPG.
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1256 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1257
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1258 static int
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1259 tail_contains(PyObject *list, int whence, PyObject *o) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1260 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
1261 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
1262
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1263 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
1264 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
1265 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
1266 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1267 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
1268 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1269
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1270 static PyObject *
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1271 class_name(PyObject *cls)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1272 {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1273 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
1274 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
1275 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
1276 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
1277 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
1278 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1279 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
1280 return NULL;
42019
f5b65731bd6c Expect unicode in class_name.
Martin v. Löwis <martin@v.loewis.de>
parents: 42013
diff changeset
1281 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
1282 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
1283 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
1284 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1285 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
1286 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1287
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1288 static int
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1289 check_duplicates(PyObject *list)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1290 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1291 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
1292 /* 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
1293 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
1294 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1295 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
1296 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
1297 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
1298 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
1299 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
1300 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
1301 PyErr_Format(PyExc_TypeError,
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
1302 "duplicate base class %.400s",
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
1303 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
1304 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
1305 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
1306 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1307 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1308 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1309 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
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 /* 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
1313
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1314 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
1315 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
1316 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
1317 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
1318 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
1319 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1320
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1321 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
1322 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
1323 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1324 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
1325 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
1326 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
1327 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
1328 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
1329
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1330 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
1331 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
1332 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
1333 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
1334 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
1335 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
1336 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
1337 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
1338 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1339 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1340 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1341 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
1342
28514
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1343 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
1344 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
1345 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
1346 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
1347 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
1348 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s",
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
1349 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
1350 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
1351 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
1352 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
1353 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
1354 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1355 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1356 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
1357 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
1358 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1359
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1360 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
1361 pmerge(PyObject *acc, PyObject* to_merge) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1362 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
1363 int *remain;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1364 int ok;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1365
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1366 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
1367
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1368 /* 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
1369 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
1370 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
1371 */
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
1372 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
1373 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
1374 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
1375 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
1376 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
1377
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1378 again:
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1379 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
1380 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
1381 PyObject *candidate;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1382
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1383 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
1384
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1385 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
1386 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
1387 continue;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1388 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1389
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1390 /* 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
1391
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1392 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
1393 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
1394 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
1395 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1396
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1397 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
1398 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
1399 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
1400 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
1401 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
1402 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1403 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1404 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
1405 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
1406 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
1407 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
1408 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1409 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
1410 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
1411 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
1412 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
1413 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
1414 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1415 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1416 goto again;
26227
529719a5350e Repaired illegal syntax most compilers probably let slide (but MSVC
Tim Peters <tim.peters@gmail.com>
parents: 26222
diff changeset
1417 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
1418 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1419
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1420 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
1421 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
1422 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
1423 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1424 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
1425 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
1426 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
1427 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1428
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1429 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1430 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1431 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1432 Py_ssize_t i, n;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1433 int ok;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1434 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
1435 PyObject *to_merge, *bases_aslist;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1436
45017
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1437 if (type->tp_dict == NULL) {
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1438 if (PyType_Ready(type) < 0)
23903
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1439 return NULL;
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1440 }
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1441
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1442 /* 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
1443 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
1444 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
1445
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1446 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
1447 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
1448 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
1449 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1450
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1451 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1452 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
1453
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1454 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
1455 if (to_merge == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1456 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
1457
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1458 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
1459 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
1460 PyObject *parentMRO;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1461 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
1462 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
1463 Py_DECREF(to_merge);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1464 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1465 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1466
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1467 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
1468 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1469
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1470 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
1471 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
1472 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
1473 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1474 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1475 /* 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
1476 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
1477 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
1478 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
1479 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
1480 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1481 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
1482
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1483 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
1484 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
1485 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
1486 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
1487 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1488
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1489 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
1490 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
1491 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
1492 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
1493 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
1494 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1495
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1496 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1497 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1498
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1499 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
1500 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1501 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1502 PyTypeObject *type = (PyTypeObject *)self;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1503
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1504 return mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1505 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1506
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1507 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1508 mro_internal(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1509 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1510 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
1511 int checkit = 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1512
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
1513 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
1514 result = mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1515 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1516 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
1517 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
1518 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
1519 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
1520 if (mro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1521 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1522 result = PyObject_CallObject(mro, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1523 Py_DECREF(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1524 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1525 if (result == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1526 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1527 tuple = PySequence_Tuple(result);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1528 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
1529 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
1530 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1531 if (checkit) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1532 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
1533 PyObject *cls;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1534 PyTypeObject *solid;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1535
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1536 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
1537
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1538 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
1539
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1540 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
1541 PyTypeObject *t;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1542 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
1543 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
1544 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
1545 "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
1546 Py_TYPE(cls)->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1547 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
1548 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1549 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1550 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
1551 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
1552 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
1553 "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
1554 t->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1555 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
1556 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1557 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1558 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1559 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1560 type->tp_mro = tuple;
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1561
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1562 type_mro_modified(type, type->tp_mro);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1563 /* 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
1564 from the custom MRO */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1565 type_mro_modified(type, type->tp_bases);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1566
47557
98827a21e352 Merged revisions 63724,63726,63732,63744,63754-63755,63757-63758,63760,63775,63781-63782,63787,63805-63808,63818-63819,63823-63824 via svnmerge from
Georg Brandl <georg@python.org>
parents: 47466
diff changeset
1567 PyType_Modified(type);
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1568
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1569 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1570 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1571
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1572
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1573 /* 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
1574 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
1575
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1576 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1577 best_base(PyObject *bases)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1578 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1579 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1580 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
1581 PyObject *base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1582
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1583 assert(PyTuple_Check(bases));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1584 n = PyTuple_GET_SIZE(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1585 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
1586 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
1587 winner = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1588 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
1589 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
1590 if (!PyType_Check(base_proto)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1591 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1592 PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1593 "bases must be types");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1594 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1595 }
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1596 base_i = (PyTypeObject *)base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1597 if (base_i->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
1598 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
1599 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1600 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1601 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
1602 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
1603 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
1604 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
1605 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1606 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
1607 ;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1608 else if (PyType_IsSubtype(candidate, winner)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1609 winner = candidate;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1610 base = base_i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1611 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1612 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1613 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1614 PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1615 "multiple bases have "
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1616 "instance lay-out conflict");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1617 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1618 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1619 }
21404
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1620 if (base == NULL)
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1621 PyErr_SetString(PyExc_TypeError,
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1622 "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
1623 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1624 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1625
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1626 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1627 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1628 {
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
1629 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
1630 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
1631
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1632 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
1633 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
1634 /* If itemsize is involved, stricter rules */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1635 return t_size != b_size ||
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1636 type->tp_itemsize != base->tp_itemsize;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1637 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1638 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
1639 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
1640 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
1641 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1642 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
1643 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
1644 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
1645 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1646
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1647 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1648 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1649
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1650 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1651 solid_base(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1652 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1653 PyTypeObject *base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1654
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1655 if (type->tp_base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1656 base = solid_base(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1657 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1658 base = &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1659 if (extra_ivars(type, base))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1660 return type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1661 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1662 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1663 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1664
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1665 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1666 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1667 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1668 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
1669
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1670 /*
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1671 * 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
1672 * 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
1673 * 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
1674 */
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1675 static PyTypeObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1676 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
1677 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1678 while (type->tp_base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1679 if (type->tp_dictoffset != 0 &&
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1680 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1681 return type;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1682 type = type->tp_base;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1683 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1684 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1685 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1686
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1687 static PyObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1688 get_dict_descriptor(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1689 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1690 static PyObject *dict_str;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1691 PyObject *descr;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1692
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1693 if (dict_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1694 dict_str = PyUnicode_InternFromString("__dict__");
41716
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1695 if (dict_str == NULL)
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1696 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1697 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1698 descr = _PyType_Lookup(type, dict_str);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1699 if (descr == NULL || !PyDescr_IsData(descr))
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1700 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1701
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1702 return descr;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1703 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1704
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1705 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1706 raise_dict_descr_error(PyObject *obj)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1707 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1708 PyErr_Format(PyExc_TypeError,
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1709 "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
1710 "'%.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
1711 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1712
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1713 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
1714 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
1715 {
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1716 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
1717 PyObject *dict;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1718 PyTypeObject *base;
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 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
1721 if (base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1722 descrgetfunc func;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1723 PyObject *descr = get_dict_descriptor(base);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1724 if (descr == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1725 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1726 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1727 }
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
1728 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
1729 if (func == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1730 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1731 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1732 }
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
1733 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
1734 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1735
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1736 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
1737 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
1738 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
1739 "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
1740 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
1741 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1742 dict = *dictptr;
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1743 if (dict == NULL)
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1744 *dictptr = dict = PyDict_New();
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1745 Py_XINCREF(dict);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1746 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
1747 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1748
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1749 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1750 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1751 {
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1752 PyObject **dictptr;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1753 PyObject *dict;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1754 PyTypeObject *base;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1755
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
1756 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
1757 if (base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1758 descrsetfunc func;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1759 PyObject *descr = get_dict_descriptor(base);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1760 if (descr == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1761 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1762 return -1;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1763 }
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
1764 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
1765 if (func == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1766 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1767 return -1;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1768 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1769 return func(descr, obj, value);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1770 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1771
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1772 dictptr = _PyObject_GetDictPtr(obj);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1773 if (dictptr == NULL) {
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1774 PyErr_SetString(PyExc_AttributeError,
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1775 "This object has no __dict__");
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1776 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1777 }
21235
b782490da7f0 At the PythonLabs meeting someone mentioned it would make Jim really
Guido van Rossum <guido@python.org>
parents: 21192
diff changeset
1778 if (value != NULL && !PyDict_Check(value)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1779 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1780 "__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
1781 "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
1782 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1783 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1784 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
1785 Py_XINCREF(value);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1786 *dictptr = value;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1787 Py_XDECREF(dict);
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1788 return 0;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1789 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1790
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1791 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1792 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
1793 {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1794 PyObject **weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1795 PyObject *result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1796
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
1797 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
1798 PyErr_SetString(PyExc_AttributeError,
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1799 "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
1800 return NULL;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1801 }
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
1802 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
1803 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
1804 (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
1805 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
1806 ((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
1807 if (*weaklistptr == NULL)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1808 result = Py_None;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1809 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1810 result = *weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1811 Py_INCREF(result);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1812 return result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1813 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1814
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
1815 /* 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
1816
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1817 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
1818 {"__dict__", subtype_dict, subtype_setdict,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1819 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
1820 {"__weakref__", subtype_getweakref, NULL,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1821 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
1822 {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
1823 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1824
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
1825 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
1826 {"__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
1827 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
1828 {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
1829 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1830
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1831 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
1832 {"__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
1833 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
1834 {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
1835 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1836
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1837 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1838 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
1839 {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1840 if (!PyUnicode_Check(s)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1841 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1842 "__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
1843 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
1844 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1845 }
43074
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1846 if (!PyUnicode_IsIdentifier(s)) {
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1847 PyErr_SetString(PyExc_TypeError,
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1848 "__slots__ must be identifiers");
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1849 return 0;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1850 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1851 return 1;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1852 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1853
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1854 /* Forward */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1855 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1856 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
1857
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1858 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1859 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
1860 {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1861 int res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1862
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1863 assert(args != NULL && PyTuple_Check(args));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1864 assert(kwds == NULL || PyDict_Check(kwds));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1865
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1866 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
1867 PyErr_SetString(PyExc_TypeError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1868 "type.__init__() takes no keyword arguments");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1869 return -1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1870 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1871
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1872 if (args != NULL && PyTuple_Check(args) &&
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1873 (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
1874 PyErr_SetString(PyExc_TypeError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1875 "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
1876 return -1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1877 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1878
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1879 /* Call object.__init__(self) now. */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1880 /* 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
1881 args = PyTuple_GetSlice(args, 0, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1882 res = object_init(cls, args, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1883 Py_DECREF(args);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1884 return res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1885 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1886
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
1887 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1888 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
1889 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1890 PyObject *name, *bases, *dict;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36631
diff changeset
1891 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
1892 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
1893 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
1894 PyHeapTypeObject *et;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
1895 PyMemberDef *mp;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1896 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
1897 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
1898
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1899 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
1900 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
1901
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
1902 /* 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
1903 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1904 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
1905 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
1906
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1907 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
1908 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
1909 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
1910 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
1911 }
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1912
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1913 /* 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
1914 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
1915 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
1916 if (nargs + nkwds != 3) {
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1917 PyErr_SetString(PyExc_TypeError,
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1918 "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
1919 return NULL;
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1920 }
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1921 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1922
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
1923 /* 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
1924 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
1925 &name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1926 &PyTuple_Type, &bases,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1927 &PyDict_Type, &dict))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1928 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1929
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1930 /* 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
1931 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
1932 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
1933 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
1934 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
1935 winner = metatype;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1936 for (i = 0; i < nbases; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1937 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
1938 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
1939 if (PyType_IsSubtype(winner, tmptype))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1940 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
1941 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
1942 winner = tmptype;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1943 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1944 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1945 PyErr_SetString(PyExc_TypeError,
28737
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1946 "metaclass conflict: "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1947 "the metaclass of a derived class "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1948 "must be a (non-strict) subclass "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1949 "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
1950 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1951 }
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
1952 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
1953 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
1954 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
1955 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
1956 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1957
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1958 /* Adjust for empty tuple bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1959 if (nbases == 0) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
1960 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
1961 if (bases == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1962 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1963 nbases = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1964 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1965 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1966 Py_INCREF(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1967
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1968 /* 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
1969
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1970 /* 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
1971 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
1972 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
1973 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1974 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
1975 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1976 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
1977 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1978 "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
1979 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
1980 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1981 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1982 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1983
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1984 /* 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
1985 slots = PyDict_GetItemString(dict, "__slots__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1986 nslots = 0;
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1987 add_dict = 0;
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1988 add_weak = 0;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1989 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
1990 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
1991 if (slots == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1992 if (may_add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1993 add_dict++;
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 if (may_add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1996 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1997 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1998 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1999 else {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2000 /* Have slots */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2001
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2002 /* 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
2003 if (PyUnicode_Check(slots))
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
2004 slots = PyTuple_Pack(1, slots);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2005 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2006 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
2007 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
2008 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2009 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
2010 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2011 assert(PyTuple_Check(slots));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2012
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2013 /* Are slots allowed? */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2014 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
2015 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
2016 PyErr_Format(PyExc_TypeError,
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2017 "nonempty __slots__ "
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2018 "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
2019 base->tp_name);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2020 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
2021 Py_DECREF(bases);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2022 Py_DECREF(slots);
19595
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2023 return NULL;
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2024 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2025
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2026 /* 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
2027 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
2028 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
2029 if (!valid_identifier(tmp))
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2030 goto bad_slots;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2031 assert(PyUnicode_Check(tmp));
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2032 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
2033 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
2034 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2035 "__dict__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2036 "we already got one");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2037 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2038 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2039 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2040 }
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2041 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
2042 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
2043 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2044 "__weakref__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2045 "either we already got one, "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2046 "or __itemsize__ != 0");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2047 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2048 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2049 add_weak++;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2050 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2051 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2052
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2053 /* 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
2054 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
2055 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
2056 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2057 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
2058 if (newslots == NULL)
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2059 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2060 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
2061 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
2062 if ((add_dict &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2063 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2064 (add_weak &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2065 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
2066 continue;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35637
diff changeset
2067 tmp =_Py_Mangle(name, tmp);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2068 if (!tmp)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2069 goto bad_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2070 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
2071 j++;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2072 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2073 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
2074 nslots = j;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2075 Py_DECREF(slots);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2076 if (PyList_Sort(newslots) == -1) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2077 Py_DECREF(bases);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2078 Py_DECREF(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2079 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2080 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2081 slots = PyList_AsTuple(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2082 Py_DECREF(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2083 if (slots == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2084 Py_DECREF(bases);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2085 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2086 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2087
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2088 /* 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
2089 if (nbases > 1 &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2090 ((may_add_dict && !add_dict) ||
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2091 (may_add_weak && !add_weak))) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2092 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
2093 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
2094 if (tmp == (PyObject *)base)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2095 continue; /* Skip primary base */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2096 assert(PyType_Check(tmp));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2097 tmptype = (PyTypeObject *)tmp;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2098 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
2099 tmptype->tp_dictoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2100 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2101 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
2102 tmptype->tp_weaklistoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2103 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2104 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
2105 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2106 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
2107 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2108 /* Nothing more to check */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2109 break;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2110 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2111 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
2112 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2113
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2114 /* 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
2115 "return NULL" may leak slots! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2116
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2117 /* Allocate the type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2118 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
2119 if (type == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2120 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
2121 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2122 return NULL;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2123 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2124
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2125 /* 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
2126 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2127 Py_INCREF(name);
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2128 et->ht_name = name;
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2129 et->ht_slots = slots;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2130
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2131 /* Initialize tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2132 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
2133 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
2134 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
2135 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
2136
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2137 /* Initialize essential fields */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2138 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
2139 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
2140 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
2141 type->tp_as_buffer = &et->as_buffer;
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
2142 type->tp_name = _PyUnicode_AsString(name);
42862
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2143 if (!type->tp_name) {
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2144 Py_DECREF(type);
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2145 return NULL;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2146 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2147
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2148 /* Set tp_base and tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2149 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2150 Py_INCREF(base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2151 type->tp_base = base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2152
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2153 /* 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
2154 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
2155 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2156 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2157 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2158 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2159
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2160 /* Set __module__ in the dict */
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2161 if (PyDict_GetItemString(dict, "__module__") == NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2162 tmp = PyEval_GetGlobals();
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2163 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2164 tmp = PyDict_GetItemString(tmp, "__name__");
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2165 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2166 if (PyDict_SetItemString(dict, "__module__",
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2167 tmp) < 0)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2168 return NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2169 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2170 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2171 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2172
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2173 /* 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
2174 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
2175 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
2176 */
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2177 {
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2178 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
2179 if (doc != NULL && PyUnicode_Check(doc)) {
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2180 Py_ssize_t len;
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2181 char *doc_str;
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2182 char *tp_doc;
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2183
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
2184 doc_str = _PyUnicode_AsStringAndSize(doc, &len);
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2185 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
2186 Py_DECREF(type);
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2187 return NULL;
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2188 }
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2189 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
2190 PyErr_SetString(PyExc_TypeError,
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2191 "__doc__ contains null-bytes");
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2192 Py_DECREF(type);
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2193 return NULL;
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2194 }
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2195 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
2196 if (tp_doc == NULL) {
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2197 Py_DECREF(type);
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2198 return NULL;
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
2199 }
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2200 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
2201 type->tp_doc = tp_doc;
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2202 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2203 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2204
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2205 /* 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
2206 make it a static function */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2207 tmp = PyDict_GetItemString(dict, "__new__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2208 if (tmp != NULL && PyFunction_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2209 tmp = PyStaticMethod_New(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2210 if (tmp == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2211 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2212 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2213 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2214 PyDict_SetItemString(dict, "__new__", tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2215 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2216 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2217
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2218 /* 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
2219 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
2220 slotoffset = base->tp_basicsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2221 if (slots != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2222 for (i = 0; i < nslots; i++, mp++) {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48475
diff changeset
2223 mp->name = _PyUnicode_AsString(
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2224 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
2225 mp->type = T_OBJECT_EX;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2226 mp->offset = slotoffset;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2227
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2228 /* __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
2229 assert(strcmp(mp->name, "__dict__") != 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2230 assert(strcmp(mp->name, "__weakref__") != 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2231
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2232 slotoffset += sizeof(PyObject *);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2233 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2234 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2235 if (add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2236 if (base->tp_itemsize)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2237 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
2238 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2239 type->tp_dictoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2240 slotoffset += sizeof(PyObject *);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2241 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2242 if (add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2243 assert(!base->tp_itemsize);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2244 type->tp_weaklistoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2245 slotoffset += sizeof(PyObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2246 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2247 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
2248 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
2249 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
2250
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2251 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
2252 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
2253 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
2254 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
2255 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
2256 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
2257 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
2258 type->tp_getset = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2259
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2260 /* Special case some slots */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2261 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
2262 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
2263 type->tp_getattro = PyObject_GenericGetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2264 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
2265 type->tp_setattro = PyObject_GenericSetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2266 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2267 type->tp_dealloc = subtype_dealloc;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2268
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2269 /* 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
2270 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
2271 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
2272 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
2273
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2274 /* 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
2275 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
2276 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
2277 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
2278 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
2279 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
2280 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2281 else
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
2282 type->tp_free = PyObject_Del;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2283
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2284 /* Initialize the rest */
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2285 if (PyType_Ready(type) < 0) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2286 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2287 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2288 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2289
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2290 /* 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
2291 fixup_slot_dispatchers(type);
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
2292
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2293 return (PyObject *)type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2294 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2295
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2296 /* 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
2297 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
2298 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2299 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2300 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2301 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
2302 PyObject *mro, *res, *base, *dict;
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2303 unsigned int h;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2304
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2305 if (MCACHE_CACHEABLE_NAME(name) &&
45017
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
2306 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
2307 /* fast path */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2308 h = MCACHE_HASH_METHOD(type, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2309 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
2310 method_cache[h].name == name)
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2311 return method_cache[h].value;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2312 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2313
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2314 /* 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
2315 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
2316
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2317 /* 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
2318 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
2319 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
2320 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
2321 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
2322
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2323 res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2324 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2325 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2326 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
2327 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
2328 assert(PyType_Check(base));
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
2329 dict = ((PyTypeObject *)base)->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2330 assert(dict && PyDict_Check(dict));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2331 res = PyDict_GetItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2332 if (res != NULL)
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2333 break;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2334 }
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2335
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2336 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
2337 h = MCACHE_HASH_METHOD(type, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2338 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
2339 method_cache[h].value = res; /* borrowed */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2340 Py_INCREF(name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2341 Py_DECREF(method_cache[h].name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2342 method_cache[h].name = name;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2343 }
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2344 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2345 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2346
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2347 /* This is similar to PyObject_GenericGetAttr(),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2348 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
2349 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2350 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2351 {
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
2352 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
2353 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
2354 descrgetfunc meta_get;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2355
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2356 /* 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
2357 if (type->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2358 if (PyType_Ready(type) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2359 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2360 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2361
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2362 /* 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
2363 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
2364
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2365 /* 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
2366 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
2367
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2368 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
2369 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
2370
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2371 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
2372 /* 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
2373 * 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
2374 * 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
2375 */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2376 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
2377 (PyObject *)metatype);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2378 }
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2379 Py_INCREF(meta_attribute);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2380 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2381
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2382 /* 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
2383 * 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
2384 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
2385 if (attribute != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2386 /* 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
2387 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2388
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2389 Py_XDECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2390
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2391 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
2392 /* 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
2393 * 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
2394 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
2395 (PyObject *)type);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2396 }
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2397
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2398 Py_INCREF(attribute);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2399 return attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2400 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2401
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2402 /* 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
2403 * descriptor from the metatype, if any */
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2404 if (meta_get != NULL) {
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2405 PyObject *res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2406 res = meta_get(meta_attribute, (PyObject *)type,
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2407 (PyObject *)metatype);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2408 Py_DECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2409 return res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2410 }
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2411
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2412 /* 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
2413 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
2414 return meta_attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2415 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2416
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2417 /* Give up */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2418 PyErr_Format(PyExc_AttributeError,
42040
96eefc7a67a0 Simplify error formatting and type_repr().
Walter Dörwald <walter@livinglogic.de>
parents: 42037
diff changeset
2419 "type object '%.50s' has no attribute '%U'",
96eefc7a67a0 Simplify error formatting and type_repr().
Walter Dörwald <walter@livinglogic.de>
parents: 42037
diff changeset
2420 type->tp_name, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2421 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2422 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2423
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2424 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2425 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
2426 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2427 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
2428 PyErr_Format(
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2429 PyExc_TypeError,
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2430 "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
2431 type->tp_name);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2432 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
2433 }
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2434 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
2435 return -1;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2436 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2437 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2438
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2439 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2440 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2441 {
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2442 PyHeapTypeObject *et;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2443
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2444 /* 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
2445 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
2446 _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
2447 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
2448 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2449 Py_XDECREF(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2450 Py_XDECREF(type->tp_dict);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2451 Py_XDECREF(type->tp_bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2452 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
2453 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
2454 Py_XDECREF(type->tp_subclasses);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2455 /* 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
2456 * 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
2457 */
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35742
diff changeset
2458 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
2459 Py_XDECREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2460 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
2461 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
2462 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2463
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2464 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
2465 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
2466 {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2467 PyObject *list, *raw, *ref;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2468 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
2469
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2470 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
2471 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
2472 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
2473 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
2474 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
2475 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
2476 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
2477 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
2478 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
2479 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
2480 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
2481 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
2482 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
2483 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
2484 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
2485 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
2486 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2487 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2488 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2489 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
2490 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2491
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2492 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
2493 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
2494 {
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2495 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
2496 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2497
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2498 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
2499 {"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
2500 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
2501 {"__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
2502 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
2503 {"__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
2504 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
2505 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
2506 "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
2507 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2508 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2509
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2510 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2511 "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
2512 "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
2513
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2514 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
2515 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
2516 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2517 /* 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
2518 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2519 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
2520
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
2521 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
2522 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
2523 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
2524 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
2525 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
2526
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2527 /* 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
2528 ((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
2529 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
2530 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
2531
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2532 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
2533 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2534
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2535 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
2536 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
2537 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2538 /* 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
2539 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2540 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
2541
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2542 /* 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
2543 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
2544 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
2545 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
2546 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
2547
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2548 tp_dict:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2549 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
2550
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2551 tp_cache:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2552 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
2553
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2554 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
2555 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
2556 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
2557 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
2558
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2559 tp_subclasses:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2560 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
2561 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
2562
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2563 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
2564 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
2565 */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2566
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
2567 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
2568
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2569 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
2570 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2571
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2572 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
2573 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
2574 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2575 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
2576 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2577
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2578 PyTypeObject PyType_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
2579 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
2580 "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
2581 sizeof(PyHeapTypeObject), /* tp_basicsize */
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
2582 sizeof(PyMemberDef), /* tp_itemsize */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2583 (destructor)type_dealloc, /* tp_dealloc */
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diff changeset
2584 0, /* tp_print */
41554
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diff changeset
2585 0, /* tp_getattr */
18933
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diff changeset
2586 0, /* tp_setattr */
51270
debd14c489b9 Issue #1717: rename tp_compare to tp_reserved. I'll change the
Mark Dickinson <dickinsm@gmail.com>
parents: 51251
diff changeset
2587 0, /* tp_reserved */
18933
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diff changeset
2588 (reprfunc)type_repr, /* tp_repr */
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diff changeset
2589 0, /* tp_as_number */
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diff changeset
2590 0, /* tp_as_sequence */
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diff changeset
2591 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
2592 0, /* tp_hash */
18933
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diff changeset
2593 (ternaryfunc)type_call, /* tp_call */
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diff changeset
2594 0, /* tp_str */
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diff changeset
2595 (getattrofunc)type_getattro, /* tp_getattro */
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diff changeset
2596 (setattrofunc)type_setattro, /* tp_setattro */
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diff changeset
2597 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
2598 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
40909
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Thomas Wouters <thomas@python.org>
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diff changeset
2599 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
18933
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diff changeset
2600 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
2601 (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
2602 (inquiry)type_clear, /* tp_clear */
18933
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diff changeset
2603 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
2604 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
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diff changeset
2605 0, /* tp_iter */
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diff changeset
2606 0, /* tp_iternext */
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diff changeset
2607 type_methods, /* tp_methods */
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diff changeset
2608 type_members, /* tp_members */
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parents: 18068
diff changeset
2609 type_getsets, /* tp_getset */
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diff changeset
2610 0, /* tp_base */
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diff changeset
2611 0, /* tp_dict */
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diff changeset
2612 0, /* tp_descr_get */
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diff changeset
2613 0, /* tp_descr_set */
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diff changeset
2614 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
41554
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diff changeset
2615 type_init, /* tp_init */
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diff changeset
2616 0, /* tp_alloc */
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diff changeset
2617 type_new, /* tp_new */
41554
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diff changeset
2618 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
2619 (inquiry)type_is_gc, /* tp_is_gc */
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parents: 18068
diff changeset
2620 };
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diff changeset
2621
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diff changeset
2622
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diff changeset
2623 /* The base type of all types (eventually)... except itself. */
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diff changeset
2624
41554
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2625 /* You may wonder why object.__new__() only complains about arguments
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2626 when object.__init__() is not overridden, and vice versa.
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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 Consider the use cases:
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diff changeset
2629
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diff changeset
2630 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
2631 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
2632 indicate there's a bug.
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parents: 41501
diff changeset
2633
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diff changeset
2634 2. When defining an Immutable type, we are likely to override only
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parents: 41501
diff changeset
2635 __new__(), since __init__() is called too late to initialize an
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2636 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
2637 type, it would be a pain to have to override __init__() just to
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2638 stop it from complaining about excess arguments.
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parents: 41501
diff changeset
2639
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diff changeset
2640 3. When defining a Mutable type, we are likely to override only
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2641 __init__(). So here the converse reasoning applies: we don't
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41501
diff changeset
2642 want to have to override __new__() just to stop it from
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2643 complaining.
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diff changeset
2644
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diff changeset
2645 4. When __init__() is overridden, and the subclass __init__() calls
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2646 object.__init__(), the latter should complain about excess
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2647 arguments; ditto for __new__().
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parents: 41501
diff changeset
2648
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parents: 41501
diff changeset
2649 Use cases 2 and 3 make it unattractive to unconditionally check for
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2650 excess arguments. The best solution that addresses all four use
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2651 cases is as follows: __init__() complains about excess arguments
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2652 unless __new__() is overridden and __init__() is not overridden
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2653 (IOW, if __init__() is overridden or __new__() is not overridden);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41501
diff changeset
2654 symmetrically, __new__() complains about excess arguments unless
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2655 __init__() is overridden and __new__() is not overridden
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2656 (IOW, if __new__() is overridden or __init__() is not overridden).
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2657
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parents: 41501
diff changeset
2658 However, for backwards compatibility, this breaks too much code.
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parents: 41501
diff changeset
2659 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
2660 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
2661 rules.
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diff changeset
2662
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diff changeset
2663 */
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parents: 41501
diff changeset
2664
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parents: 41501
diff changeset
2665 /* Forward */
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2666 static PyObject *
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2667 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
2668
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parents: 41501
diff changeset
2669 static int
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parents: 41501
diff changeset
2670 excess_args(PyObject *args, PyObject *kwds)
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parents: 41501
diff changeset
2671 {
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parents: 41501
diff changeset
2672 return PyTuple_GET_SIZE(args) ||
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diff changeset
2673 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
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parents: 41501
diff changeset
2674 }
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diff changeset
2675
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diff changeset
2676 static int
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diff changeset
2677 object_init(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
2678 {
41554
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diff changeset
2679 int err = 0;
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diff changeset
2680 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
2681 PyTypeObject *type = Py_TYPE(self);
41554
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diff changeset
2682 if (type->tp_init != object_init &&
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diff changeset
2683 type->tp_new != object_new)
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diff changeset
2684 {
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diff changeset
2685 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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diff changeset
2686 "object.__init__() takes no parameters",
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diff changeset
2687 1);
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diff changeset
2688 }
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diff changeset
2689 else if (type->tp_init != object_init ||
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diff changeset
2690 type->tp_new == object_new)
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diff changeset
2691 {
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diff changeset
2692 PyErr_SetString(PyExc_TypeError,
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diff changeset
2693 "object.__init__() takes no parameters");
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diff changeset
2694 err = -1;
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diff changeset
2695 }
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diff changeset
2696 }
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diff changeset
2697 return err;
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2698 }
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2699
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
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diff changeset
2700 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
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diff changeset
2701 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
bbbba0ee61fb SF patch #685738 by Michael Stone.
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diff changeset
2702 {
41554
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2703 int err = 0;
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2704 if (excess_args(args, kwds)) {
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2705 if (type->tp_new != object_new &&
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diff changeset
2706 type->tp_init != object_init)
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diff changeset
2707 {
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2708 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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diff changeset
2709 "object.__new__() takes no parameters",
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diff changeset
2710 1);
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2711 }
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2712 else if (type->tp_new != object_new ||
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2713 type->tp_init == object_init)
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diff changeset
2714 {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2715 PyErr_SetString(PyExc_TypeError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2716 "object.__new__() takes no parameters");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2717 err = -1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2718 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2719 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2720 if (err < 0)
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2721 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
2722
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 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) {
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
2724 static PyObject *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
2725 PyObject *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
2726 PyObject *builtins;
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
2727 PyObject *sorted;
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
2728 PyObject *sorted_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
2729 PyObject *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
2730
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
2731 /* Compute ", ".join(sorted(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
2732 into 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
2733 abstract_methods = type_abstractmethods(type, 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
2734 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
2735 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
2736 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
2737 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
2738 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
2739 sorted = PyDict_GetItemString(builtins, "sorted");
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
2740 if (sorted == 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
2741 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
2742 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
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
2743 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
2744 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
2745 if (sorted_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
2746 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
2747 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
2748 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
2749 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
2750 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
2751 }
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
2752 joined = PyObject_CallMethod(comma, "join",
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
2753 "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
2754 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
2755 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
2756
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
2757 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
2758 "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
2759 "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
2760 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
2761 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
2762 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
2763 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
2764 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
2765 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
2766 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
2767 }
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2768 return type->tp_alloc(type, 0);
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2769 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2770
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2771 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2772 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2773 {
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
2774 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
2775 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2776
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2777 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2778 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
2779 {
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2780 PyTypeObject *type;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2781 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
2782
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
2783 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
2784 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
2785 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
2786 PyErr_Clear();
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2787 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
2788 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
2789 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
2790 }
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2791 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
2792 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
2793 return NULL;
44098
0889daf6d0d9 #1535: rename __builtin__ module to builtins.
Georg Brandl <georg@python.org>
parents: 43866
diff changeset
2794 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
42036
160b7318a3ca __module__ is a unicode string now:
Walter Dörwald <walter@livinglogic.de>
parents: 42019
diff changeset
2795 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
2796 else
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
2797 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
2798 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
2799 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
2800 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
2801 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
2802 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2803
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2804 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2805 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
2806 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2807 unaryfunc f;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2808
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
2809 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
2810 if (f == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2811 f = object_repr;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2812 return f(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2813 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2814
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2815 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2816 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
2817 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2818 PyObject *res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2819
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2820 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2821
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2822 case Py_EQ:
44513
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2823 /* 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
2824 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
2825 comparison. See issue #1393. */
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2826 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
2827 Py_INCREF(res);
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2828 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2829
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2830 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
2831 /* 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
2832 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
2833 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
2834 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
2835 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
2836 Py_DECREF(res);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2837 if (ok < 0)
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2838 res = NULL;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2839 else {
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2840 if (ok)
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2841 res = Py_False;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2842 else
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2843 res = Py_True;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2844 Py_INCREF(res);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2845 }
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2846 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2847 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2848
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2849 default:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2850 res = Py_NotImplemented;
41324
519e72d630d2 Fix refcounting bug reported by Amaury Forgeot d'Arc.
Guido van Rossum <guido@python.org>
parents: 41311
diff changeset
2851 Py_INCREF(res);
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2852 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2853 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2854
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2855 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2856 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2857
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2858 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2859 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
2860 {
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
2861 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
2862 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
2863 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2864
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2865 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2866 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
2867 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2868 return a == b ||
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2869 (a != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2870 b != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2871 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
2872 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
2873 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
2874 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
2875 ((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
2876 (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
2877 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2878
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2879 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2880 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
2881 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2882 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
2883 Py_ssize_t size;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2884 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
2885
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2886 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
2887 return 0;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2888 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
2889 return 1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2890 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
2891 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
2892 size += sizeof(PyObject *);
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2893 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
2894 size += sizeof(PyObject *);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2895
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2896 /* Check slots compliance */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2897 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2898 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2899 if (slots_a && slots_b) {
51245
9ca34c18e1bd Issue #1717: remove the cmp builtin function, the C-API functions
Mark Dickinson <dickinsm@gmail.com>
parents: 50884
diff changeset
2900 if (PyObject_RichCompareBool(slots_a, slots_b, Py_EQ) != 1)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2901 return 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2902 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
2903 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2904 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
2905 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2906
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2907 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
2908 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
2909 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2910 PyTypeObject *newbase, *oldbase;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2911
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
2912 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
2913 newto->tp_free != oldto->tp_free)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2914 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2915 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2916 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2917 "'%s' deallocator differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2918 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
2919 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
2920 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2921 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2922 }
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
2923 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
2924 oldbase = oldto;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2925 while (equiv_structs(newbase, newbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2926 newbase = newbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2927 while (equiv_structs(oldbase, oldbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2928 oldbase = oldbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2929 if (newbase != oldbase &&
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2930 (newbase->tp_base != oldbase->tp_base ||
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2931 !same_slots_added(newbase, oldbase))) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2932 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2933 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2934 "'%s' object layout differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2935 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
2936 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
2937 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2938 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2939 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
2940
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2941 return 1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2942 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2943
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2944 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2945 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
2946 {
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
2947 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
2948 PyTypeObject *newto;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2949
23037
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2950 if (value == NULL) {
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2951 PyErr_SetString(PyExc_TypeError,
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2952 "can't delete __class__ attribute");
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2953 return -1;
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2954 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2955 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
2956 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
2957 "__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
2958 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
2959 return -1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2960 }
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2961 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
2962 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
2963 !(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
2964 {
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2965 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
2966 "__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
2967 return -1;
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2968 }
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
2969 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
2970 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
2971 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
2972 Py_DECREF(oldto);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2973 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2974 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2975 else {
23541
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
2976 return -1;
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
2977 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2978 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2979
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2980 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
2981 {"__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
2982 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
2983 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2984 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2985
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2986
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2987 /* 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
2988 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
2989 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2990 - 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
2991 - 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
2992 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2993
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
2994 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2995 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2996 {
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2997 static PyObject *copyreg_str;
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2998
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2999 if (!copyreg_str) {
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3000 copyreg_str = PyUnicode_InternFromString("copyreg");
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3001 if (copyreg_str == NULL)
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3002 return NULL;
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3003 }
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3004
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3005 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
3006 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3007
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3008 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3009 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3010 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3011 PyObject *clsdict;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3012 PyObject *copyreg;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3013 PyObject *slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3014
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3015 if (!PyType_Check(cls)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3016 Py_INCREF(Py_None);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3017 return Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3018 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3019
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3020 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
3021 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
35637
7dd4e6cb9d27 (pedronis, arigo)
Armin Rigo <arigo@tunes.org>
parents: 35610
diff changeset
3022 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
3023 Py_INCREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3024 return slotnames;
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
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3027 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3028 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3029 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3030
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3031 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls);
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3032 Py_DECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3033 if (slotnames != NULL &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3034 slotnames != Py_None &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3035 !PyList_Check(slotnames))
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3036 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3037 PyErr_SetString(PyExc_TypeError,
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3038 "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
3039 Py_DECREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3040 slotnames = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3041 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3042
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3043 return slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3044 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3045
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3046 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3047 reduce_2(PyObject *obj)
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 PyObject *cls, *getnewargs;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3050 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
3051 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
3052 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3053 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3054 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
3055
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3056 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
3057 if (cls == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3058 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3059
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3060 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
3061 if (getnewargs != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3062 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
3063 Py_DECREF(getnewargs);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3064 if (args != NULL && !PyTuple_Check(args)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3065 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3066 "__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
3067 "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
3068 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3069 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3070 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3071 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3072 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3073 args = PyTuple_New(0);
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 if (args == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3076 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3077
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3078 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
3079 if (getstate != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3080 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
3081 Py_DECREF(getstate);
29382
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3082 if (state == NULL)
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3083 goto end;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3084 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3085 else {
31477
ba9aaddeb956 Fixed a bug in object.__reduce_ex__ (reduce_2) when using protocol
Jim Fulton <jim@zope.com>
parents: 31176
diff changeset
3086 PyErr_Clear();
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3087 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
3088 if (state == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3089 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3090 state = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3091 Py_INCREF(state);
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 names = slotnames(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3094 if (names == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3095 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3096 if (names != Py_None) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3097 assert(PyList_Check(names));
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3098 slots = PyDict_New();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3099 if (slots == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3100 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3101 n = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3102 /* 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
3103 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
3104 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
3105 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
3106 PyObject *name, *value;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3107 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
3108 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
3109 if (value == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3110 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3111 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3112 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
3113 value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3114 Py_DECREF(value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3115 if (err)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3116 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3117 n++;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3118 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3119 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3120 if (n) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3121 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
3122 if (state == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3123 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3124 }
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 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3127
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3128 if (!PyList_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3129 listitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3130 Py_INCREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3131 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3132 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3133 listitems = PyObject_GetIter(obj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3134 if (listitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3135 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3136 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3137
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3138 if (!PyDict_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3139 dictitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3140 Py_INCREF(dictitems);
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 else {
40809
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3143 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
3144 if (items == NULL)
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3145 goto end;
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3146 dictitems = PyObject_GetIter(items);
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3147 Py_DECREF(items);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3148 if (dictitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3149 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3150 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3151
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3152 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3153 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3154 goto end;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3155 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
3156 if (newobj == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3157 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3158
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3159 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
3160 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
3161 if (args2 == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3162 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3163 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
3164 cls = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3165 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
3166 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
3167 Py_INCREF(v);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3168 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
3169 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3170
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3171 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
3172
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3173 end:
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3174 Py_XDECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3175 Py_XDECREF(args);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3176 Py_XDECREF(args2);
28566
9ddc498b7013 Missing DECREF.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 28514
diff changeset
3177 Py_XDECREF(slots);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3178 Py_XDECREF(state);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3179 Py_XDECREF(names);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3180 Py_XDECREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3181 Py_XDECREF(dictitems);
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3182 Py_XDECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3183 Py_XDECREF(newobj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3184 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3185 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3186
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3187 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3188 * 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
3189 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3190 * - 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
3191 * 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
3192 * 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
3193 * - 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
3194 * __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
3195 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3196 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3197 * 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
3198 * 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
3199 * 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
3200 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3201 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3202 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3203 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3204 {
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3205 PyObject *copyreg, *res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3206
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3207 if (proto >= 2)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3208 return reduce_2(self);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3209
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3210 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3211 if (!copyreg)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3212 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3213
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3214 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
3215 Py_DECREF(copyreg);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3216
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3217 return res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3218 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3219
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3220 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3221 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3222 {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3223 int proto = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3224
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3225 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
3226 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3227
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3228 return _common_reduce(self, proto);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3229 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3230
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3231 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3232 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
3233 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3234 PyObject *reduce, *res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3235 int proto = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3236
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3237 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
3238 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3239
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3240 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
3241 if (reduce == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3242 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3243 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3244 PyObject *cls, *clsreduce, *objreduce;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3245 int override;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3246 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
3247 if (cls == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3248 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3249 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3250 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3251 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
3252 Py_DECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3253 if (clsreduce == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3254 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3255 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3256 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3257 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
3258 "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3259 override = (clsreduce != objreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3260 Py_DECREF(clsreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3261 if (override) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3262 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
3263 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3264 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3265 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3266 else
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3267 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3268 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3269
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3270 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3271 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3272
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
3273 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
3274 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
3275 {
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
3276 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
3277 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
3278 }
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
3279
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
3280 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
3281 "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
3282 "\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
3283 "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
3284 "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
3285 "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
3286 "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
3287
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3288 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3289 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3290
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3291 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3292 def __format__(self, format_spec):
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3293 return format(str(self), format_spec)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3294 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3295 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3296 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3297 {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3298 PyObject *format_spec;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3299 PyObject *self_as_str = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3300 PyObject *result = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3301 PyObject *format_meth = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3302
44626
60126aa3b816 Simplifed argument parsing in object.__format__, added test case.
Eric Smith <eric@trueblade.com>
parents: 44513
diff changeset
3303 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
3304 return NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3305
43866
8ed0280c2ab6 Replace PyObject_Unicode with PyObject_Str everywhere, and remove the
Thomas Heller <theller@ctypes.org>
parents: 43777
diff changeset
3306 self_as_str = PyObject_Str(self);
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3307 if (self_as_str != NULL) {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3308 /* find the format function */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3309 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
3310 if (format_meth != NULL) {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3311 /* and call it */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3312 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
3313 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3314 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3315
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3316 Py_XDECREF(self_as_str);
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3317 Py_XDECREF(format_meth);
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3318
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3319 return result;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3320 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3321
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3322 static PyObject *
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3323 object_sizeof(PyObject *self, PyObject *args)
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3324 {
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3325 Py_ssize_t res, isize;
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3326
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3327 res = 0;
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3328 isize = self->ob_type->tp_itemsize;
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3329 if (isize > 0)
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3330 res = Py_SIZE(self->ob_type) * isize;
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3331 res += self->ob_type->tp_basicsize;
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3332
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3333 return PyLong_FromSsize_t(res);
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3334 }
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3335
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3336 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
3337 {"__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
3338 PyDoc_STR("helper for pickle")},
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3339 {"__reduce__", object_reduce, METH_VARARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
3340 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
3341 {"__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
3342 object_subclasshook_doc},
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3343 {"__format__", object_format, METH_VARARGS,
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3344 PyDoc_STR("default object formatter")},
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3345 {"__sizeof__", object_sizeof, METH_NOARGS,
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3346 PyDoc_STR("__sizeof__() -> size of object in memory, in bytes")},
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3347 {0}
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3348 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3349
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3350
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3351 PyTypeObject PyBaseObject_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
3352 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
3353 "object", /* tp_name */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3354 sizeof(PyObject), /* tp_basicsize */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3355 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
3356 object_dealloc, /* tp_dealloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3357 0, /* tp_print */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3358 0, /* tp_getattr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3359 0, /* tp_setattr */
51270
debd14c489b9 Issue #1717: rename tp_compare to tp_reserved. I'll change the
Mark Dickinson <dickinsm@gmail.com>
parents: 51251
diff changeset
3360 0, /* tp_reserved */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3361 object_repr, /* tp_repr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3362 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3363 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3364 0, /* tp_as_mapping */
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3365 (hashfunc)_Py_HashPointer, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3366 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
3367 object_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3368 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
3369 PyObject_GenericSetAttr, /* tp_setattro */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3370 0, /* tp_as_buffer */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3371 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
3372 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
3373 0, /* tp_traverse */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3374 0, /* tp_clear */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
3375 object_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3376 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3377 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3378 0, /* tp_iternext */
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3379 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
3380 0, /* tp_members */
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3381 object_getsets, /* tp_getset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3382 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3383 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3384 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3385 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3386 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3387 object_init, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3388 PyType_GenericAlloc, /* tp_alloc */
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
3389 object_new, /* tp_new */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3390 PyObject_Del, /* tp_free */
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3393
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3394 /* 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
3395
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3396 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3397 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3398 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3399 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3400
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3401 for (; meth->ml_name != NULL; meth++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3402 PyObject *descr;
31172
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3403 if (PyDict_GetItemString(dict, meth->ml_name) &&
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3404 !(meth->ml_flags & METH_COEXIST))
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3405 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
3406 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
3407 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
3408 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
3409 "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
3410 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
3411 }
26583
8991f78817c7 SF 548651: Fix the METH_CLASS implementation.
Tim Peters <tim.peters@gmail.com>
parents: 26575
diff changeset
3412 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
3413 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3414 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
3415 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
3416 if (cfunc == NULL)
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3417 return -1;
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3418 descr = PyStaticMethod_New(cfunc);
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3419 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
3420 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3421 else {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3422 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
3423 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3424 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3425 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
3426 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
3427 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3428 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3429 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3430 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3431 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3432
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3433 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3434 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
3435 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3436 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3437
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3438 for (; memb->name != NULL; memb++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3439 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3440 if (PyDict_GetItemString(dict, memb->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3441 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3442 descr = PyDescr_NewMember(type, memb);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3443 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3444 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3445 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
3446 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3447 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3448 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3449 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3450 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3451
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3452 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3453 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
3454 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3455 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3456
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3457 for (; gsp->name != NULL; gsp++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3458 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3459 if (PyDict_GetItemString(dict, gsp->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3460 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3461 descr = PyDescr_NewGetSet(type, gsp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3462
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3463 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3464 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3465 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
3466 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3467 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3468 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3469 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3470 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3471
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3472 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3473 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
3474 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3475 Py_ssize_t oldsize, newsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3476
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3477 /* 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
3478 oldsize = base->tp_basicsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3479 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
3480 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
3481 (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
3482 (!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
3483 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
3484 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
3485 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
3486 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
3487 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
3488 }
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
3489 {
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
3490 /* 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
3491 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
3492 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
3493 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
3494 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
3495 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
3496 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
3497 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
3498 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
3499 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
3500 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
3501 (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
3502 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
3503 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
3504 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3505 }
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3506 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
3507
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3508 /* 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
3509
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3510 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3511 #define COPYVAL(SLOT) \
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3512 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
3513
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3514 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
3515 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
3516 COPYVAL(tp_dictoffset);
40909
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3517
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3518 /* Setup fast subclass flags */
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3519 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3520 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
3521 else if (PyType_IsSubtype(base, &PyType_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3522 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3523 else if (PyType_IsSubtype(base, &PyLong_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3524 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47260
diff changeset
3525 else if (PyType_IsSubtype(base, &PyBytes_Type))
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47260
diff changeset
3526 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
3527 else if (PyType_IsSubtype(base, &PyUnicode_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3528 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3529 else if (PyType_IsSubtype(base, &PyTuple_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3530 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3531 else if (PyType_IsSubtype(base, &PyList_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3532 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3533 else if (PyType_IsSubtype(base, &PyDict_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3534 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
3535 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3536
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3537 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
3538 "__eq__",
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3539 "__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
3540 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
3541 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3542
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3543 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
3544 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
3545 {
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3546 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
3547 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
3548
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3549 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
3550 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
3551 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
3552 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
3553 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3554 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
3555 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3556
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3557 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3558 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
3559 {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3560 PyTypeObject *basebase;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3561
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3562 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3563 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3564 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3565 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3566 #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
3567 #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
3568
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3569 #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
3570 (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
3571 (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
3572
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3573 #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
3574 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
3575
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3576 #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
3577 #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
3578 #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
3579 #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
3580
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3581 /* 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
3582 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
3583
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3584 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
3585 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
3586 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
3587 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3588 COPYNUM(nb_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3589 COPYNUM(nb_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3590 COPYNUM(nb_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3591 COPYNUM(nb_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3592 COPYNUM(nb_divmod);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3593 COPYNUM(nb_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3594 COPYNUM(nb_negative);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3595 COPYNUM(nb_positive);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3596 COPYNUM(nb_absolute);
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
3597 COPYNUM(nb_bool);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3598 COPYNUM(nb_invert);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3599 COPYNUM(nb_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3600 COPYNUM(nb_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3601 COPYNUM(nb_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3602 COPYNUM(nb_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3603 COPYNUM(nb_or);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3604 COPYNUM(nb_int);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3605 COPYNUM(nb_float);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3606 COPYNUM(nb_inplace_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3607 COPYNUM(nb_inplace_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3608 COPYNUM(nb_inplace_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3609 COPYNUM(nb_inplace_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3610 COPYNUM(nb_inplace_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3611 COPYNUM(nb_inplace_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3612 COPYNUM(nb_inplace_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3613 COPYNUM(nb_inplace_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3614 COPYNUM(nb_inplace_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3615 COPYNUM(nb_inplace_or);
37191
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3616 COPYNUM(nb_true_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3617 COPYNUM(nb_floor_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3618 COPYNUM(nb_inplace_true_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3619 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
3620 COPYNUM(nb_index);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3621 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3622
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3623 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
3624 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
3625 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
3626 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3627 COPYSEQ(sq_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3628 COPYSEQ(sq_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3629 COPYSEQ(sq_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3630 COPYSEQ(sq_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3631 COPYSEQ(sq_ass_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3632 COPYSEQ(sq_contains);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3633 COPYSEQ(sq_inplace_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3634 COPYSEQ(sq_inplace_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3635 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3636
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3637 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
3638 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
3639 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
3640 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3641 COPYMAP(mp_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3642 COPYMAP(mp_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3643 COPYMAP(mp_ass_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3644 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3645
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3646 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
3647 basebase = base->tp_base;
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3648 if (basebase->tp_as_buffer == NULL)
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3649 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
3650 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
3651 COPYBUF(bf_releasebuffer);
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3652 }
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3653
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3654 basebase = base->tp_base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3655
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3656 COPYSLOT(tp_dealloc);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3657 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
3658 type->tp_getattr = base->tp_getattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3659 type->tp_getattro = base->tp_getattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3660 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3661 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
3662 type->tp_setattr = base->tp_setattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3663 type->tp_setattro = base->tp_setattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3664 }
51270
debd14c489b9 Issue #1717: rename tp_compare to tp_reserved. I'll change the
Mark Dickinson <dickinsm@gmail.com>
parents: 51251
diff changeset
3665 /* tp_reserved is ignored */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3666 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
3667 /* tp_hash see tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3668 COPYSLOT(tp_call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3669 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
3670 {
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3671 /* 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
3672 not overriding them anywhere */
51247
ba94d7c095e8 Issue #1717, continued: remove PyObject_Compare and Py_CmpToRich declarations
Mark Dickinson <dickinsm@gmail.com>
parents: 51245
diff changeset
3673 if (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
3674 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
3675 !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
3676 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3677 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
3678 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
3679 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3680 }
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
3681 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3682 COPYSLOT(tp_iter);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3683 COPYSLOT(tp_iternext);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3684 }
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
3685 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3686 COPYSLOT(tp_descr_get);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3687 COPYSLOT(tp_descr_set);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3688 COPYSLOT(tp_dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3689 COPYSLOT(tp_init);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3690 COPYSLOT(tp_alloc);
22848
e589e473f232 Inherit tp_new and tp_is_gc.
Guido van Rossum <guido@python.org>
parents: 22834
diff changeset
3691 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
3692 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
3693 (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
3694 /* 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
3695 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
3696 }
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
3697 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
3698 type->tp_free == NULL &&
42673
692f57a5dc76 Remove _PyObject_Del
Neal Norwitz <nnorwitz@gmail.com>
parents: 42665
diff changeset
3699 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
3700 /* 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
3701 * 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
3702 * 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
3703 * 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
3704 */
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
3705 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
3706 }
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
3707 /* 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
3708 * 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
3709 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3710 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3711 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3712
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3713 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3714
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3715 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3716 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3717 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3718 PyObject *dict, *bases;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3719 PyTypeObject *base;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3720 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3721
23756
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3722 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
3723 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
3724 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
3725 }
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3726 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
3727
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3728 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
3729
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3730 #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
3731 /* 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
3732 * 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
3733 * 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
3734 * 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
3735 */
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28390
diff changeset
3736 _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
3737 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3738
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3739 /* 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
3740 base = type->tp_base;
33174
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3741 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
3742 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
3743 Py_INCREF(base);
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3744 }
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3745
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3746 /* 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
3747 * &PyBaseObject_Type.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3748 */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
3749
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
3750 /* Initialize the base class */
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3751 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
3752 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
3753 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
3754 }
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3755
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3756 /* 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
3757 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
3758 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
3759 /* 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
3760 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
3761 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
3762 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
3763 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
3764 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
3765
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3766 /* Initialize tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3767 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3768 if (bases == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3769 if (base == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3770 bases = PyTuple_New(0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3771 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3772 bases = PyTuple_Pack(1, base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3773 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
3774 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3775 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3776 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3777
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3778 /* 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
3779 dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3780 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3781 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3782 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
3783 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
3784 type->tp_dict = dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3785 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3786
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3787 /* 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
3788 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
3789 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3790 if (type->tp_methods != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3791 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
3792 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3793 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3794 if (type->tp_members != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3795 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
3796 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3797 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3798 if (type->tp_getset != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3799 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
3800 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3801 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3802
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3803 /* Calculate method resolution order */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3804 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
3805 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3806 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
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 /* 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
3809 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
3810 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
3811
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3812 /* Initialize tp_dict properly */
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3813 bases = type->tp_mro;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3814 assert(bases != NULL);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3815 assert(PyTuple_Check(bases));
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3816 n = PyTuple_GET_SIZE(bases);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3817 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
3818 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
3819 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
3820 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
3821 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3822
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
3823 /* 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
3824 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
3825 (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
3826 /* 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
3827 * 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
3828 */
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
3829 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
3830 "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
3831 "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
3832 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
3833 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
3834 }
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
3835
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3836 /* 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
3837 the tp_doc slot.
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3838 */
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3839 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3840 if (type->tp_doc != NULL) {
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
3841 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
3842 if (doc == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3843 goto error;
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3844 PyDict_SetItemString(type->tp_dict, "__doc__", doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3845 Py_DECREF(doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3846 } else {
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
3847 PyDict_SetItemString(type->tp_dict,
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
3848 "__doc__", Py_None);
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3849 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3850 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3851
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3852 /* 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
3853 If after all that, tp_hash is still NULL, and __hash__ is not in
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
3854 tp_dict, set tp_hash to PyObject_HashNotImplemented and
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
3855 tp_dict['__hash__'] equal to None.
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3856 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
3857 */
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3858 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
3859 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
3860 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
3861 goto error;
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
3862 type->tp_hash = PyObject_HashNotImplemented;
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3863 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3864 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3865
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3866 /* 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
3867 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
3868 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
3869 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
3870 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
3871 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
3872 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
3873 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
3874 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
3875 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
3876 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
3877 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3878
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3879 /* 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
3880 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
3881 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
3882 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
3883 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
3884 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
3885 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
3886 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
3887 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3888
51460
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3889 /* Warn for a type that implements tp_compare (now known as
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3890 tp_reserved) but not tp_richcompare. */
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3891 if (type->tp_reserved && !type->tp_richcompare) {
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3892 int error;
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3893 char msg[240];
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3894 PyOS_snprintf(msg, sizeof(msg),
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3895 "Type %.100s defines tp_reserved (formerly "
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3896 "tp_compare) but not tp_richcompare. "
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3897 "Comparisons may not behave as intended.",
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3898 type->tp_name);
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3899 error = PyErr_WarnEx(PyExc_DeprecationWarning, msg, 1);
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3900 if (error == -1)
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3901 goto error;
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3902 }
0ed22f1aed04 Issue #1717: add a DeprecationWarning in 3.x on type initialization
Mark Dickinson <dickinsm@gmail.com>
parents: 51270
diff changeset
3903
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3904 /* 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
3905 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
3906 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
3907 (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
3908 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
3909
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3910 error:
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3911 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
3912 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3913 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3914
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3915 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
3916 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
3917 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3918 Py_ssize_t i;
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3919 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
3920 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
3921
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3922 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
3923 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
3924 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
3925 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
3926 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
3927 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3928 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
3929 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
3930 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
3931 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
3932 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
3933 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
3934 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
3935 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
3936 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
3937 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
3938 Py_DECREF(newobj);
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3939 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
3940 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3941
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3942 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3943 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3944 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3945 Py_ssize_t i;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3946 PyObject *list, *ref;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3947
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3948 list = base->tp_subclasses;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3949 if (list == NULL) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3950 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3951 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3952 assert(PyList_Check(list));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3953 i = PyList_GET_SIZE(list);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3954 while (--i >= 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3955 ref = PyList_GET_ITEM(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3956 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3957 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3958 /* this can't fail, right? */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3959 PySequence_DelItem(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3960 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3961 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3962 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3963 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3964
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3965 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3966 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3967 {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3968 if (!PyTuple_CheckExact(ob)) {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3969 PyErr_SetString(PyExc_SystemError,
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3970 "PyArg_UnpackTuple() argument list is not a tuple");
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3971 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3972 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3973 if (n == PyTuple_GET_SIZE(ob))
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3974 return 1;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3975 PyErr_Format(
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3976 PyExc_TypeError,
36510
0f3894bb2ada Support %zd in PyErr_Format and PyString_FromFormat.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
3977 "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
3978 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3979 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3980
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3981 /* 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
3982
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3983 /* 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
3984 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
3985 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
3986 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
3987 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
3988
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3989 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3990 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
3991 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3992 lenfunc func = (lenfunc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3993 Py_ssize_t res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3994
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3995 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
3996 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3997 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3998 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3999 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
4000 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4001 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4002
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4003 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4004 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
4005 {
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4006 inquiry func = (inquiry)wrapped;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4007 int res;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4008
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4009 if (!check_num_args(args, 0))
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4010 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4011 res = (*func)(self);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4012 if (res == -1 && PyErr_Occurred())
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4013 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4014 return PyBool_FromLong((long)res);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4015 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4016
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4017 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4018 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
4019 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4020 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4021 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4022
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4023 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
4024 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4025 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
4026 return (*func)(self, other);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4027 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4028
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4029 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
4030 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
4031 {
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4032 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
4033 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
4034
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4035 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
4036 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4037 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
4038 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
4039 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4040
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4041 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4042 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
4043 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4044 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4045 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4046
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4047 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
4048 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4049 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
4050 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
4051 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
4052 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
4053 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4054 return (*func)(other, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4055 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4056
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4057 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4058 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
4059 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4060 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4061 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4062 PyObject *third = Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4063
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4064 /* 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
4065
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4066 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
4067 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4068 return (*func)(self, other, third);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4069 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4070
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4071 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
4072 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
4073 {
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4074 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
4075 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
4076 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
4077
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4078 /* 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
4079
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4080 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
4081 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
4082 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
4083 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4084
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4085 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4086 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
4087 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4088 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4089
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4090 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
4091 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4092 return (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4093 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4094
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4095 static PyObject *
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
4096 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
4097 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4098 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
4099 PyObject* o;
36501
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
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
4102 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
4103 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
4104 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
4105 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4106 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4107 return (*func)(self, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4108 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4109
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4110 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
4111 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
4112 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4113 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4114
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4115 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
4116 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
4117 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4118 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
4119 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
4120 if (sq && sq->sq_length) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4121 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
4122 if (n < 0)
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4123 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4124 i += n;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4125 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4126 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4127 return i;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4128 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4129
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4130 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4131 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
4132 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4133 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
4134 PyObject *arg;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4135 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
4136
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4137 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
4138 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
4139 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
4140 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
4141 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4142 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
4143 }
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4144 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
4145 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
4146 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4147 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4148
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4149 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4150 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
4151 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4152 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4153 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4154 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4155 PyObject *arg, *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4156
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4157 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
4158 return NULL;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4159 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
4160 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4161 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4162 res = (*func)(self, i, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4163 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4164 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4165 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4166 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4167 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4168
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4169 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4170 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
4171 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4172 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4173 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4174 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4175 PyObject *arg;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4176
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4177 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
4178 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4179 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
4180 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
4181 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
4182 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4183 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
4184 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
4185 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4186 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4187 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4188 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4189
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4190 /* 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
4191 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4192 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
4193 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4194 objobjproc func = (objobjproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4195 int res;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4196 PyObject *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4197
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4198 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
4199 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4200 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
4201 res = (*func)(self, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4202 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4203 return NULL;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4204 else
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4205 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4206 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4207
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4208 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4209 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
4210 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4211 objobjargproc func = (objobjargproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4212 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4213 PyObject *key, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4214
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4215 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
4216 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4217 res = (*func)(self, key, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4218 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4219 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4220 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4221 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4222 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4223
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4224 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4225 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
4226 {
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4227 objobjargproc func = (objobjargproc)wrapped;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4228 int res;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4229 PyObject *key;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4230
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4231 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
4232 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4233 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
4234 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
4235 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
4236 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4237 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4238 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4239 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4240
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4241 /* 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
4242 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
4243 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4244 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
4245 {
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
4246 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
4247 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
4248 type = type->tp_base;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4249 /* 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
4250 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
4251 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
4252 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
4253 "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
4254 what,
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4255 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
4256 return 0;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4257 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4258 return 1;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4259 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4260
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4261 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4262 wrap_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
4263 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4264 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4265 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4266 PyObject *name, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4267
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4268 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
4269 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
4270 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
4271 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4272 res = (*func)(self, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4273 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4274 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4275 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4276 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4277 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4278
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4279 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4280 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
4281 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4282 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4283 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4284 PyObject *name;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4285
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4286 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
4287 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4288 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
4289 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
4290 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4291 res = (*func)(self, name, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4292 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4293 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4294 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4295 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4296 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4297
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4298 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4299 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
4300 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4301 hashfunc func = (hashfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4302 long res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4303
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4304 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
4305 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4306 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4307 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4308 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
4309 return PyLong_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4310 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4311
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4312 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
4313 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
4314 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4315 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4316
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4317 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4318 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4319
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4320 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4321 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
4322 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4323 richcmpfunc func = (richcmpfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4324 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4325
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4326 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
4327 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4328 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
4329 return (*func)(self, other, op);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4330 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4331
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4332 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4333 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4334 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4335 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
4336 { \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4337 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
4338 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4339
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
4340 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
4341 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
4342 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
4343 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
4344 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
4345 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4346
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4347 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4348 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
4349 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4350 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4351 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4352
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4353 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
4354 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4355 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4356 if (res == NULL && !PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4357 PyErr_SetNone(PyExc_StopIteration);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4358 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4359 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4360
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4361 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4362 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
4363 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4364 descrgetfunc func = (descrgetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4365 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4366 PyObject *type = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4367
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4368 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
4369 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
4370 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
4371 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
4372 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
4373 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
4374 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
4375 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
4376 "__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
4377 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
4378 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4379 return (*func)(self, obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4380 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4381
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4382 static PyObject *
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4383 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
4384 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4385 descrsetfunc func = (descrsetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4386 PyObject *obj, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4387 int ret;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4388
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4389 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
4390 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4391 ret = (*func)(self, obj, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4392 if (ret < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4393 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4394 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4395 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4396 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4397
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4398 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4399 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
4400 {
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4401 descrsetfunc func = (descrsetfunc)wrapped;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4402 PyObject *obj;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4403 int ret;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4404
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4405 if (!check_num_args(args, 1))
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4406 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4407 obj = PyTuple_GET_ITEM(args, 0);
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4408 ret = (*func)(self, obj, NULL);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4409 if (ret < 0)
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4410 return NULL;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4411 Py_INCREF(Py_None);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4412 return Py_None;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4413 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4414
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4415 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
4416 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
4417 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4418 initproc func = (initproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4419
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4420 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
4421 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4422 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4423 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4424 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4425
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4426 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
4427 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
4428 {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4429 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
4430 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
4431
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 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
4433 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
4434 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
4435 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
4436 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
4437 "%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
4438 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
4439 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
4440 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4441 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
4442 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
4443 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
4444 "%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
4445 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
4446 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
4447 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
4448 }
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 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
4450 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
4451 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
4452 "%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
4453 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4454 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4455 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4456 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
4457 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
4458 }
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4459
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4460 /* 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
4461 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
4462 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
4463 staticbase = subtype;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4464 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
4465 staticbase = staticbase->tp_base;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4466 /* 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
4467 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
4468 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
4469 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
4470 "%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
4471 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4472 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4473 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
4474 return NULL;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4475 }
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4476
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
4477 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
4478 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
4479 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
4480 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
4481 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
4482 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4483 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4484
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
4485 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
4486 {"__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
4487 PyDoc_STR("T.__new__(S, ...) -> "
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4488 "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
4489 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4490 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4491
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4492 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
4493 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
4494 {
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4495 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
4496
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
4497 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL)
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4498 return 0;
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4499 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
4500 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
4501 return -1;
32407
aaf9295ed45b Cosmetic spacing fix.
Raymond Hettinger <python@rcn.com>
parents: 32404
diff changeset
4502 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
4503 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4504 return -1;
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4505 }
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4506 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4507 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
4508 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4509
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4510 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4511 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
4512
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4513 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4514 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4515 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4516 { \
19540
e141b392b61d Fix a typo in SLOT0 macro for the declaration of cache_str.
Guido van Rossum <guido@python.org>
parents: 19538
diff changeset
4517 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4518 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
4519 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4520
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4521 #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
4522 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4523 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
4524 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4525 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4526 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
4527 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4528
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4529 /* 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
4530 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
4531 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4532 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
4533 {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4534 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
4535 int ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4536
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
4537 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
4538 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
4539 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4540 /* 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
4541 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4542 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4543
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
4544 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
4545 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
4546 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4547 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
4548 /* 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
4549 return 1;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4550 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4551
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4552 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
4553 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
4554 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
4555 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
4556 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4557 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4558 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4559
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4560 return ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4561 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4562
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4563
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4564 #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
4565 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4566 FUNCNAME(PyObject *self, PyObject *other) \
18933
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 *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
4569 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
4570 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
4571 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
4572 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
4573 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
4574 PyObject *r; \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4575 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
4576 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
4577 method_is_overloaded(self, other, ROPSTR)) { \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4578 r = call_maybe( \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4579 other, ROPSTR, &rcache_str, "(O)", self); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4580 if (r != Py_NotImplemented) \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4581 return r; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4582 Py_DECREF(r); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4583 do_other = 0; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4584 } \
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
4585 r = call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4586 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
4587 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
4588 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
4589 return r; \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4590 Py_DECREF(r); \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4591 } \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4592 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
4593 return call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4594 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
4595 } \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4596 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
4597 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4598 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4599
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4600 #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
4601 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
4602
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4603 #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
4604 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4605 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
4606 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4607 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4608 return call_method(self, OPSTR, &cache_str, \
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4609 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4610 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4611
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4612 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4613 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4614 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4615 static PyObject *len_str;
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4616 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
4617 Py_ssize_t len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4618
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4619 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4620 return -1;
51477
8cfa108e7bdc fix len() when __len__() returns a non number type #5137
Benjamin Peterson <benjamin@python.org>
parents: 51460
diff changeset
4621 len = PyNumber_AsSsize_t(res, PyExc_OverflowError);
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4622 Py_DECREF(res);
24376
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4623 if (len < 0) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4624 if (!PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4625 PyErr_SetString(PyExc_ValueError,
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4626 "__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
4627 return -1;
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4628 }
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4629 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4630 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4631
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4632 /* 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
4633 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
4634 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4635 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
4636 {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4637 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
4638 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
4639 descrgetfunc f;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4640
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4641 if (getitem_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
4642 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
4643 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
4644 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4645 }
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
4646 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
4647 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
4648 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
4649 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
4650 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
4651 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
4652 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
4653 return NULL;
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4654 }
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4655 }
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
4656 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
4657 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
4658 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
4659 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
4660 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
4661 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
4662 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
4663 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
4664 return retval;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4665 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4666 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4667 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4668 else {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4669 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
4670 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4671 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
4672 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
4673 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
4674 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4675 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4676
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4677 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4678 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
4679 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4680 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
4681 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
4682
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4683 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
4684 res = call_method(self, "__delitem__", &delitem_str,
37881
702d85d9418a Merge trunk up to 45598.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
4685 "(n)", index);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4686 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4687 res = call_method(self, "__setitem__", &setitem_str,
37881
702d85d9418a Merge trunk up to 45598.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
4688 "(nO)", index, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4689 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4690 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4691 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4692 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4693 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4694
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4695 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4696 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
4697 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4698 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
4699 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
4700
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
4701 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
4702
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4703 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
4704 if (func != NULL) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
4705 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
4706 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4707 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4708 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4709 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
4710 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4711 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4712 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
4713 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
4714 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
4715 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
4716 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4717 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4718 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
4719 /* 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
4720 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
4721 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
4722 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4723 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4724 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4725
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4726 #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
4727
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4728 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
4729
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4730 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4731 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
4732 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4733 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
4734 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
4735
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4736 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
4737 res = call_method(self, "__delitem__", &delitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4738 "(O)", key);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4739 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4740 res = call_method(self, "__setitem__", &setitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4741 "(OO)", key, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4742 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4743 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4744 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4745 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4746 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4747
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4748 SLOT1BIN(slot_nb_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
4749 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
4750 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
4751 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
4752 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
4753
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4754 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
4755
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4756 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
4757 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
4758
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4759 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4760 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
4761 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4762 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
4763
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4764 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
4765 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
4766 /* 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
4767 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
4768 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
4769 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
4770 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
4771 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
4772 "(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
4773 }
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4774 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
4775 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
4776 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4777
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4778 SLOT0(slot_nb_negative, "__neg__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4779 SLOT0(slot_nb_positive, "__pos__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4780 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4781
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4782 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4783 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4784 {
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4785 PyObject *func, *args;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4786 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
4787 int result = -1;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4788 int from_len = 0;
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4789
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4790 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
4791 if (func == NULL) {
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4792 if (PyErr_Occurred())
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4793 return -1;
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4794 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
4795 if (func == NULL)
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4796 return PyErr_Occurred() ? -1 : 1;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4797 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
4798 }
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4799 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
4800 if (args != NULL) {
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4801 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
4802 Py_DECREF(args);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4803 if (temp != NULL) {
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4804 if (from_len) {
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4805 /* enforced by slot_nb_len */
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4806 result = PyObject_IsTrue(temp);
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4807 }
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4808 else if (PyBool_Check(temp)) {
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4809 result = PyObject_IsTrue(temp);
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4810 }
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4811 else {
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4812 PyErr_Format(PyExc_TypeError,
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4813 "__bool__ should return "
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4814 "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
4815 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
4816 result = -1;
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4817 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4818 Py_DECREF(temp);
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4819 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4820 }
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4821 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
4822 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4823 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4824
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4825
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4826 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4827 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4828 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4829 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
4830 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
4831 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4832
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4833
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4834 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
4835 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
4836 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
4837 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
4838 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
4839 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
4840
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4841 SLOT0(slot_nb_int, "__int__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4842 SLOT0(slot_nb_float, "__float__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4843 SLOT1(slot_nb_inplace_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
4844 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
4845 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
4846 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
4847 /* 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
4848 static PyObject *
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4849 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
4850 {
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4851 static PyObject *cache_str;
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4852 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
4853 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4854 SLOT1(slot_nb_inplace_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
4855 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
4856 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
4857 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
4858 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
4859 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
4860 "__floordiv__", "__rfloordiv__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4861 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
4862 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
4863 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
4864
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4865 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4866 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
4867 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4868 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
4869 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
4870
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
4871 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
4872 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4873 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
4874 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4875 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4876 }
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
4877 PyErr_Clear();
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4878 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
4879 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
4880 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4881
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4882 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4883 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
4884 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4885 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
4886 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
4887
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
4888 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
4889 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4890 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
4891 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4892 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4893 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4894 else {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4895 PyObject *ress;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4896 PyErr_Clear();
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4897 res = slot_tp_repr(self);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4898 if (!res)
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4899 return NULL;
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4900 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4901 Py_DECREF(res);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4902 return ress;
19289
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 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4905
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4906 static long
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4907 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4908 {
39548
67e45704c07e Fix non-C89-compatible syntax.
Guido van Rossum <guido@python.org>
parents: 39536
diff changeset
4909 PyObject *func, *res;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4910 static PyObject *hash_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4911 long h;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4912
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
4913 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
4914
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4915 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
4916 Py_DECREF(func);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4917 func = NULL;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4918 }
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4919
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4920 if (func == NULL) {
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
4921 return PyObject_HashNotImplemented(self);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4922 }
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4923
39548
67e45704c07e Fix non-C89-compatible syntax.
Guido van Rossum <guido@python.org>
parents: 39536
diff changeset
4924 res = PyEval_CallObject(func, NULL);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4925 Py_DECREF(func);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4926 if (res == NULL)
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4927 return -1;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4928 if (PyLong_Check(res))
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4929 h = PyLong_Type.tp_hash(res);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4930 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
4931 h = PyLong_AsLong(res);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4932 Py_DECREF(res);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4933 if (h == -1 && !PyErr_Occurred())
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4934 h = -2;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4935 return h;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4936 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4937
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4938 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4939 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
4940 {
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
4941 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
4942 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
4943 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4944
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4945 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4946 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
4947
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4948 res = PyObject_Call(meth, args, kwds);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
4949
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4950 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4951 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4952 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4953
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
4954 /* 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
4955
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
4956 - 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
4957 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
4958
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
4959 - 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
4960
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
4961 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
4962 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
4963 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
4964
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4965 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4966 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
4967 {
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
4968 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
4969 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
4970 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4971 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4972
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4973 static PyObject *
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4974 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4975 {
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4976 PyObject *res, *descr = NULL;
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4977 descrgetfunc f = Py_TYPE(attr)->tp_descr_get;
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4978
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4979 if (f != NULL) {
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4980 descr = f(attr, self, (PyObject *)(Py_TYPE(self)));
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4981 if (descr == NULL)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4982 return NULL;
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4983 else
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4984 attr = descr;
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4985 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4986 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4987 Py_XDECREF(descr);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4988 return res;
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4989 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4990
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4991 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4992 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
4993 {
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
4994 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
4995 PyObject *getattr, *getattribute, *res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4996 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
4997 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
4998
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4999 if (getattr_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5000 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
5001 if (getattr_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 if (getattribute_str == NULL) {
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5005 getattribute_str =
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5006 PyUnicode_InternFromString("__getattribute__");
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5007 if (getattribute_str == NULL)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5008 return NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5009 }
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5010 /* speed hack: we could use lookup_maybe, but that would resolve the
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5011 method fully for each attribute lookup for classes with
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5012 __getattr__, even when the attribute is present. So we use
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5013 _PyType_Lookup and create the method only when needed, with
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5014 call_attribute. */
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5015 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
5016 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
5017 /* 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
5018 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
5019 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
5020 }
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5021 Py_INCREF(getattr);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5022 /* speed hack: we could use lookup_maybe, but that would resolve the
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5023 method fully for each attribute lookup for classes with
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5024 __getattr__, even when self has the default __getattribute__
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5025 method. So we use _PyType_Lookup and create the method only when
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5026 needed, with call_attribute. */
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5027 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
5028 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
5029 (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
5030 ((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
5031 (void *)PyObject_GenericGetAttr))
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5032 res = PyObject_GenericGetAttr(self, name);
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5033 else {
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5034 Py_INCREF(getattribute);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5035 res = call_attribute(self, getattribute, name);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5036 Py_DECREF(getattribute);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5037 }
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
5038 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
5039 PyErr_Clear();
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5040 res = call_attribute(self, getattr, name);
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5041 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5042 Py_DECREF(getattr);
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5043 return res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5044 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5045
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5046 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5047 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
5048 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5049 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
5050 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
5051
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5052 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
5053 res = call_method(self, "__delattr__", &delattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5054 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5055 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5056 res = call_method(self, "__setattr__", &setattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5057 "(OO)", name, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5058 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5059 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5060 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5061 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5062 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5063
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5064 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
5065 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5066 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5067 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5068 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5069 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5070 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5071 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5072
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5073 static PyObject *
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5074 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
5075 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5076 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
5077 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
5078
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
5079 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
5080 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5081 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5082 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
5083 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5084 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
5085 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
5086 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5087 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5088 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5089 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
5090 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5091 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5092 Py_DECREF(func);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5093 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5094 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5095
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5096 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5097 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
5098 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5099 PyObject *res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5100
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
5101 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
5102 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
5103 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
5104 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5105 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5106 }
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
5107 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
5108 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
5109 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
5110 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5111 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5112 Py_DECREF(res);
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 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
5115 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5116 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5117
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5118 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5119 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
5120 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5121 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
5122 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
5123
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
5124 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
5125 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
5126 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
5127 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
5128 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
5129 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
5130 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
5131 }
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5132 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
5133 return res;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5134 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5135 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
5136 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
5137 if (func == NULL) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5138 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5139 "'%.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
5140 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
5141 return NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5142 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5143 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5144 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
5145 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5146
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5147 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5148 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5149 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5150 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
5151 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
5152 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5153
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5154 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
5155 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
5156 {
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
5157 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
5158 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
5159 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
5160
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5161 if (get_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5162 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
5163 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
5164 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
5165 }
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5166 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
5167 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
5168 /* 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
5169 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
5170 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
5171 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
5172 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
5173 }
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
5174 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
5175 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
5176 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
5177 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
5178 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
5179 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5180
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5181 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5182 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
5183 {
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
5184 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
5185 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
5186
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5187 if (value == NULL)
21142
842b280421ba Fix for SF bug #485678.
Guido van Rossum <guido@python.org>
parents: 20978
diff changeset
5188 res = call_method(self, "__delete__", &del_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5189 "(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
5190 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5191 res = call_method(self, "__set__", &set_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5192 "(OO)", target, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5193 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5194 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5195 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5196 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5197 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5198
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5199 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5200 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
5201 {
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
5202 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
5203 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
5204 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5205
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5206 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5207 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5208 res = PyObject_Call(meth, args, kwds);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5209 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5210 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5211 return -1;
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5212 if (res != Py_None) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5213 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5214 "__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
5215 Py_TYPE(res)->tp_name);
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5216 Py_DECREF(res);
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5217 return -1;
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5218 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5219 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5220 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5221 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5222
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5223 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5224 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
5225 {
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5226 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
5227 PyObject *func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5228 PyObject *newargs, *x;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5229 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5230
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5231 if (new_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5232 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
5233 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
5234 return NULL;
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5235 }
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5236 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
5237 if (func == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5238 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5239 assert(PyTuple_Check(args));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5240 n = PyTuple_GET_SIZE(args);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5241 newargs = PyTuple_New(n+1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5242 if (newargs == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5243 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5244 Py_INCREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5245 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
5246 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5247 x = PyTuple_GET_ITEM(args, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5248 Py_INCREF(x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5249 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
5250 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5251 x = PyObject_Call(func, newargs, kwds);
20195
3408d929bb94 slot_tp_new(): newargs was leaking.
Guido van Rossum <guido@python.org>
parents: 20190
diff changeset
5252 Py_DECREF(newargs);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5253 Py_DECREF(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5254 return x;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5255 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5256
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5257 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5258 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
5259 {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5260 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
5261 PyObject *del, *res;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5262 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
5263
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5264 /* 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
5265 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
5266 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
5267
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5268 /* 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
5269 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
5270
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5271 /* 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
5272 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
5273 if (del != NULL) {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5274 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
5275 if (res == NULL)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5276 PyErr_WriteUnraisable(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5277 else
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5278 Py_DECREF(res);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5279 Py_DECREF(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5280 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5281
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5282 /* 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
5283 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
5284
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5285 /* 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
5286 * 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
5287 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5288 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
5289 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
5290 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
5291
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5292 /* __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
5293 * never happened.
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 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
5296 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
5297 _Py_NewReference(self);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5298 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
5299 }
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
5300 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
5301 _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
5302 /* 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
5303 * 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
5304 _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
5305 /* 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
5306 * 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
5307 * 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
5308 * _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
5309 * undone.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5310 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5311 #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
5312 --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
5313 --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
5314 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5315 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5316
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
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5318 /* 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
5319 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
5320 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
5321 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5322 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
5323 __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
5324 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
5325 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
5326 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
5327
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5328 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
5329
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5330 #undef TPSLOT
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5331 #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
5332 #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
5333 #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
5334 #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
5335 #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
5336 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5337 #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
5338 #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
5339 #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
5340
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5341 #define 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
5342 {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
5343 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
5344 #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
5345 {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
5346 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
5347 #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
5348 {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
5349 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
5350 #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
5351 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
5352 #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
5353 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
5354 #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
5355 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
5356 #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
5357 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
5358 "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
5359 #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
5360 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
5361 "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
5362 #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
5363 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
5364 "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
5365 #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
5366 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
5367 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5368 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5369 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5370 "x." NAME "(y) <==> " DOC)
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5371 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5372 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5373 "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
5374
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5375 static slotdef slotdefs[] = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5376 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
5377 "x.__len__() <==> len(x)"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5378 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5379 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
5380 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
5381 user-defined methods has unexpected side-effects, as shown by
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5382 test_descr.notimplemented() */
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5383 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
5384 "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
5385 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
5386 "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
5387 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
5388 "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
5389 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
5390 "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
5391 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
5392 "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
5393 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
5394 "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
5395 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
5396 "x.__contains__(y) <==> y in x"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5397 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
5398 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5399 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
5400 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5401
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5402 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
5403 "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
5404 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
5405 wrap_binaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5406 "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
5407 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
5408 wrap_objobjargproc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5409 "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
5410 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
5411 wrap_delitem,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5412 "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
5413
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5414 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
5415 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5416 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
5417 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5418 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
5419 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5420 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
5421 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5422 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
5423 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5424 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
5425 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5426 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
5427 "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5428 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
5429 "%"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5430 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
5431 "divmod(x, y)"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5432 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
5433 "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
5434 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
5435 "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
5436 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
5437 "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
5438 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
5439 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
5440 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
5441 "abs(x)"),
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
5442 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
5443 "x != 0"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5444 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
5445 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
5446 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
5447 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
5448 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
5449 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
5450 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
5451 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
5452 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
5453 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
5454 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
5455 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
5456 "int(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5457 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
5458 "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
5459 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
5460 "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
5461 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
5462 wrap_binaryfunc, "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5463 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
5464 wrap_binaryfunc, "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5465 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
5466 wrap_binaryfunc, "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5467 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
5468 wrap_binaryfunc, "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5469 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
5470 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
5471 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
5472 wrap_binaryfunc, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5473 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
5474 wrap_binaryfunc, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5475 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
5476 wrap_binaryfunc, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5477 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
5478 wrap_binaryfunc, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5479 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
5480 wrap_binaryfunc, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5481 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
5482 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
5483 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
5484 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
5485 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
5486 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
5487 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
5488 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
5489
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5490 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
5491 "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
5492 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
5493 "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
5494 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
5495 "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
5496 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
5497 "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
5498 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
5499 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
5500 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
5501 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
5502 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
5503 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
5504 "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
5505 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
5506 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
5507 "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
5508 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
5509 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
5510 "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
5511 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
5512 "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
5513 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
5514 "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
5515 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
5516 "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
5517 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
5518 "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
5519 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
5520 "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
5521 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
5522 "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
5523 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
5524 "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
5525 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
5526 "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
5527 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
5528 "descr.__set__(obj, value)"),
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
5529 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
5530 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
5531 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
5532 "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
5533 "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
5534 PyWrapperFlag_KEYWORDS),
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5535 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
5536 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
5537 {NULL}
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5538 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5539
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5540 /* 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
5541 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
5542 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
5543 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
5544 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
5545 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5546 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
5547 {
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5548 char *ptr;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5549 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
5550
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5551 /* 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
5552 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
5553 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
5554 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
5555 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
5556 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
5557 }
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
5558 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
5559 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
5560 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
5561 }
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
5562 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
5563 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
5564 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
5565 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5566 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
5567 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
5568 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5569 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
5570 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
5571 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
5572 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5573
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5574 /* 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
5575 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
5576 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
5577 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
5578 #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
5579
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5580 /* 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
5581 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
5582 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
5583 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
5584 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5585 /* 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
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 /* 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
5588 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
5589 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
5590 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
5591 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
5592
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5593 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
5594 /* 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
5595 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
5596 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
5597 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
5598 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
5599 *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
5600 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5601 *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
5602 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5603
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5604 /* 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
5605 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
5606 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
5607 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
5608 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
5609 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
5610 continue;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5611 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
5612 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
5613 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
5614 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5615 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
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
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5618 /* 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
5619 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
5620 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
5621 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
5622 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
5623 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
5624 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
5625 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
5626 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5627 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
5628 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
5629 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
5630 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
5631 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
5632 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
5633
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5634 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
5635 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5636 ++p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5637 } 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
5638 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
5639 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5640 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5641 descr = _PyType_Lookup(type, p->name_strobj);
50755
c99ce0164699 Merged revisions 68560 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50717
diff changeset
5642 if (descr == NULL) {
c99ce0164699 Merged revisions 68560 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50717
diff changeset
5643 if (ptr == (void**)&type->tp_iternext) {
c99ce0164699 Merged revisions 68560 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50717
diff changeset
5644 specific = _PyObject_NextNotImplemented;
c99ce0164699 Merged revisions 68560 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50717
diff changeset
5645 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5646 continue;
50755
c99ce0164699 Merged revisions 68560 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50717
diff changeset
5647 }
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
5648 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
5649 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
5650 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
5651 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
5652 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
5653 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
5654 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
5655 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5656 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
5657 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
5658 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
5659 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5660 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
5661 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5662 }
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
5663 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
5664 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
5665 (PyCFunction)tp_new_wrapper &&
50884
e14ec6d18ab8 Merged revisions 68568,68665 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 50821
diff changeset
5666 ptr == (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
5667 {
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5668 /* 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
5669 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
5670 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
5671 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
5672 __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
5673 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
5674 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
5675 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
5676 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
5677 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
5678 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
5679 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
5680 /* 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
5681 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
5682 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
5683 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
5684 }
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5685 else if (descr == Py_None &&
50884
e14ec6d18ab8 Merged revisions 68568,68665 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 50821
diff changeset
5686 ptr == (void**)&type->tp_hash) {
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5687 /* We specifically allow __hash__ to be set to None
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5688 to prevent inheritance of the default
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5689 implementation from object.__hash__ */
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5690 specific = PyObject_HashNotImplemented;
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5691 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5692 else {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5693 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
5694 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
5695 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5696 } 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
5697 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
5698 *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
5699 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5700 *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
5701 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
5702 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5703
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5704 /* 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
5705 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
5706 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5707 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
5708 {
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5709 slotdef **pp = (slotdef **)data;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5710
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5711 for (; *pp; pp++)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5712 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
5713 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
5714 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5715
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 /* 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
5717 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
5718 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5719 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
5720 {
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5721 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
5722 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
5723 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
5724 return c;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5725 else
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5726 /* 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
5727 which may lose precision when converted to int. */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5728 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
5729 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5730
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5731 /* 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
5732 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
5733 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
5734 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
5735 {
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5736 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
5737 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
5738
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5739 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
5740 return;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5741 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
5742 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
5743 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
5744 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
5745 }
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5746 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
5747 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
5748 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
5749 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5750
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5751 /* 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
5752 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
5753 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
5754 {
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5755 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
5756 slotdef *p;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5757 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
5758 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
5759
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5760 /* 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
5761 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
5762 update_subclasses() recursion below, but carefully:
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5763 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
5764 recursing into subclasses. */
47557
98827a21e352 Merged revisions 63724,63726,63732,63744,63754-63755,63757-63758,63760,63775,63781-63782,63787,63805-63808,63818-63819,63823-63824 via svnmerge from
Georg Brandl <georg@python.org>
parents: 47466
diff changeset
5765 PyType_Modified(type);
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5766
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5767 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
5768 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
5769 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
5770 /* 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
5771 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
5772 *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
5773 }
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5774 *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
5775 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
5776 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
5777 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
5778 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
5779 --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
5780 *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
5781 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5782 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
5783 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
5784 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
5785 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
5786 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5787
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5788 /* 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
5789 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
5790 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5791 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
5792 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5793 {
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5794 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
5795
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5796 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
5797 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
5798 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
5799 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5800
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5801 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5802 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5803 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5804 slotdef *p;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5805
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5806 init_slotdefs();
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5807 for (p = slotdefs; p->name; p++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5808 /* update_slot returns int but can't actually fail */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5809 update_slot(type, p->name_strobj);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5810 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5811 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5812
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5813 /* 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
5814 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
5815 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
5816
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5817 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5818 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
5819 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
5820 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5821 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
5822 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5823 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
5824 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5825
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5826 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5827 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
5828 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
5829 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5830 PyTypeObject *subclass;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5831 PyObject *ref, *subclasses, *dict;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5832 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
5833
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5834 subclasses = type->tp_subclasses;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5835 if (subclasses == NULL)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5836 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5837 assert(PyList_Check(subclasses));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5838 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
5839 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
5840 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
5841 assert(PyWeakref_CheckRef(ref));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5842 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
5843 assert(subclass != NULL);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5844 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
5845 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5846 assert(PyType_Check(subclass));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5847 /* 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
5848 dict = subclass->tp_dict;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5849 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
5850 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
5851 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5852 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
5853 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5854 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5855 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5856 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5857
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5858 /* 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
5859 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
5860 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
5861 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
5862 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
5863 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
5864 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
5865 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
5866 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
5867
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5868 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
5869 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
5870 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
5871 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
5872 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
5873 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
5874 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
5875 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5876
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5877 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
5878 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
5879 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
5880 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
5881 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
5882 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
5883 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
5884 (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
5885 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
5886 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
5887
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5888 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5889 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
5890 {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5891 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
5892 slotdef *p;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5893 PyObject *descr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5894 void **ptr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5895
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5896 init_slotdefs();
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5897 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
5898 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
5899 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5900 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
5901 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
5902 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5903 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
5904 continue;
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5905 if (*ptr == PyObject_HashNotImplemented) {
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5906 /* Classes may prevent the inheritance of the tp_hash
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5907 slot by storing PyObject_HashNotImplemented in it. Make it
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5908 visible as a None value for the __hash__ attribute. */
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5909 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0)
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5910 return -1;
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5911 }
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5912 else {
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5913 descr = PyDescr_NewWrapper(type, p, *ptr);
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5914 if (descr == NULL)
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5915 return -1;
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5916 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0)
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5917 return -1;
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5918 Py_DECREF(descr);
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47557
diff changeset
5919 }
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5920 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5921 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
5922 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
5923 return -1;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5924 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5925 return 0;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5926 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5927
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5928
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5929 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5930
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5931 typedef struct {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5932 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
5933 PyTypeObject *type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5934 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
5935 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5936 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5937
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5938 static PyMemberDef super_members[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5939 {"__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
5940 "the class invoking super()"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5941 {"__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
5942 "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
5943 {"__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
5944 "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
5945 {0}
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5946 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5947
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5948 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5949 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5950 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5951 superobject *su = (superobject *)self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5952
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
5953 _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
5954 Py_XDECREF(su->obj);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5955 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
5956 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
5957 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
5958 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5959
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5960 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
5961 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
5962 {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5963 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
5964
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5965 if (su->obj_type)
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
5966 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
5967 "<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
5968 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
5969 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
5970 else
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
5971 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
5972 "<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
5973 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
5974 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5975
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5976 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5977 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
5978 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5979 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
5980 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
5981
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5982 if (!skip) {
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5983 /* 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
5984 (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
5985 skip = (PyUnicode_Check(name) &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5986 PyUnicode_GET_SIZE(name) == 9 &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5987 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
5988 }
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5989
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5990 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
5991 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
5992 PyTypeObject *starttype;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5993 descrgetfunc f;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5994 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
5995
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5996 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
5997 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
5998
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5999 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
6000 n = 0;
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6001 else {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6002 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
6003 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
6004 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6005 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
6006 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
6007 break;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6008 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6009 i++;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6010 res = NULL;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6011 for (; i < n; i++) {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6012 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
6013 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
6014 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
6015 else
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6016 continue;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6017 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
6018 if (res != NULL) {
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6019 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
6020 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
6021 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
6022 tmp = f(res,
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6023 /* 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
6024 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
6025 (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
6026 */
31813
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
6027 (su->obj == (PyObject *)
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
6028 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
6029 ? (PyObject *)NULL
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6030 : su->obj),
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
6031 (PyObject *)starttype);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6032 Py_DECREF(res);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6033 res = tmp;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6034 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6035 return res;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6036 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6037 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6038 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6039 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
6040 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6041
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6042 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6043 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
6044 {
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6045 /* 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
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 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
6048
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6049 - 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
6050 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
6051
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6052 - 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
6053 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
6054
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6055 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
6056 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
6057 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
6058 */
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6059
27942
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6060 /* 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
6061 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
6062 Py_INCREF(obj);
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6063 return (PyTypeObject *)obj;
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6064 }
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6065
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6066 /* 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
6067 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
6068 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
6069 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
6070 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6071 else {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6072 /* 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
6073 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
6074 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
6075
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6076 if (class_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
6077 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
6078 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
6079 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
6080 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6081
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6082 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
6083
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6084 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
6085 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
6086 (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
6087 {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6088 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
6089 (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
6090 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
6091 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
6092 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6093
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6094 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
6095 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
6096 else
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6097 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
6098 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6099
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6100 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
6101 "super(type, obj): "
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6102 "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
6103 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6104 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6105
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6106 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6107 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
6108 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6109 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
6110 superobject *newobj;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6111
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6112 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
6113 /* 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
6114 Py_INCREF(self);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6115 return self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6116 }
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
6117 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
6118 /* 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
6119 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
6120 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
6121 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
6122 else {
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6123 /* 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
6124 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
6125 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
6126 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
6127 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
6128 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
6129 if (newobj == NULL)
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6130 return NULL;
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6131 Py_INCREF(su->type);
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6132 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
6133 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
6134 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
6135 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
6136 return (PyObject *)newobj;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6137 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6138 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6139
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6140 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6141 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
6142 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6143 superobject *su = (superobject *)self;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6144 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
6145 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
6146 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
6147
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
6148 if (!_PyArg_NoKeywords("super", kwds))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
6149 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6150 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
6151 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6152
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6153 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6154 /* 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
6155 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
6156 PyFrameObject *f = PyThreadState_GET()->frame;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6157 PyCodeObject *co = f->f_code;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6158 int i, n;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6159 if (co == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6160 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6161 "super(): no code object");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6162 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6163 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6164 if (co->co_argcount == 0) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6165 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6166 "super(): no arguments");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6167 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6168 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6169 obj = f->f_localsplus[0];
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6170 if (obj == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6171 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6172 "super(): arg[0] deleted");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6173 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6174 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6175 if (co->co_freevars == NULL)
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6176 n = 0;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6177 else {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6178 assert(PyTuple_Check(co->co_freevars));
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6179 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
6180 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6181 for (i = 0; i < n; i++) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6182 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
6183 assert(PyUnicode_Check(name));
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6184 if (!PyUnicode_CompareWithASCIIString(name,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6185 "__class__")) {
49775
2ca964d724d5 Fix for bug 4360 "SystemError when method has both super() & closure". Patch
Barry Warsaw <barry@python.org>
parents: 49742
diff changeset
6186 Py_ssize_t index = co->co_nlocals +
2ca964d724d5 Fix for bug 4360 "SystemError when method has both super() & closure". Patch
Barry Warsaw <barry@python.org>
parents: 49742
diff changeset
6187 PyTuple_GET_SIZE(co->co_cellvars) + i;
2ca964d724d5 Fix for bug 4360 "SystemError when method has both super() & closure". Patch
Barry Warsaw <barry@python.org>
parents: 49742
diff changeset
6188 PyObject *cell = f->f_localsplus[index];
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6189 if (cell == NULL || !PyCell_Check(cell)) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6190 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6191 "super(): bad __class__ cell");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6192 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6193 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6194 type = (PyTypeObject *) PyCell_GET(cell);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6195 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6196 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6197 "super(): empty __class__ cell");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6198 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6199 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6200 if (!PyType_Check(type)) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6201 PyErr_Format(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6202 "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
6203 Py_TYPE(type)->tp_name);
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6204 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6205 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6206 break;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6207 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6208 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6209 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6210 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6211 "super(): __class__ cell not found");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6212 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6213 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6214 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6215
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6216 if (obj == Py_None)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6217 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
6218 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
6219 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
6220 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
6221 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
6222 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
6223 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6224 Py_INCREF(type);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6225 su->type = type;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6226 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
6227 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
6228 return 0;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6229 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6230
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6231 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6232 "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
6233 "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
6234 "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
6235 "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
6236 "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
6237 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6238 " def meth(self, arg):\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6239 " super().meth(arg)\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6240 "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
6241 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6242 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6243 " def cmeth(cls, arg):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6244 " 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
6245
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6246 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
6247 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
6248 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6249 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
6250
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6251 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
6252 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
6253 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
6254
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6255 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
6256 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6257
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6258 PyTypeObject PySuper_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
6259 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
6260 "super", /* tp_name */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6261 sizeof(superobject), /* tp_basicsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6262 0, /* tp_itemsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6263 /* methods */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6264 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
6265 0, /* tp_print */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6266 0, /* tp_getattr */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6267 0, /* tp_setattr */
51270
debd14c489b9 Issue #1717: rename tp_compare to tp_reserved. I'll change the
Mark Dickinson <dickinsm@gmail.com>
parents: 51251
diff changeset
6268 0, /* tp_reserved */
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6269 super_repr, /* tp_repr */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
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parents: 19464
diff changeset
6270 0, /* tp_as_number */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6271 0, /* tp_as_sequence */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41501
diff changeset
6272 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
6273 0, /* tp_hash */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6274 0, /* tp_call */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6275 0, /* tp_str */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6276 super_getattro, /* tp_getattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6277 0, /* tp_setattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6278 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
6279 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
6280 Py_TPFLAGS_BASETYPE, /* tp_flags */
41554
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6281 super_doc, /* tp_doc */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6282 super_traverse, /* tp_traverse */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6283 0, /* tp_clear */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6284 0, /* tp_richcompare */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6285 0, /* tp_weaklistoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6286 0, /* tp_iter */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6287 0, /* tp_iternext */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6288 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
6289 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
6290 0, /* tp_getset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6291 0, /* tp_base */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6292 0, /* tp_dict */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6293 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
6294 0, /* tp_descr_set */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6295 0, /* tp_dictoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6296 super_init, /* tp_init */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6297 PyType_GenericAlloc, /* tp_alloc */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6298 PyType_GenericNew, /* tp_new */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6299 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
6300 };