Mercurial > cpython-lru_cache-weakref
annotate Objects/typeobject.c @ 71583:cdff35544530 2.7
Minor doc addition for clarity
| author | Éric Araujo <merwok@netwok.org> |
|---|---|
| date | Fri, 27 May 2011 04:42:47 +0200 |
| parents | cd9eca1bf531 |
| children | b4ccf8e1fdba |
| rev | line source |
|---|---|
| 6 | 1 /* Type object implementation */ |
| 2 | |
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3 #include "Python.h" |
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4 #include "structmember.h" |
| 6 | 5 |
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6 #include <ctype.h> |
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7 |
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8 |
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9 /* Support type attribute cache */ |
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10 |
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11 /* The cache can keep references to the names alive for longer than |
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12 they normally would. This is why the maximum size is limited to |
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13 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large |
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14 strings are used as attribute names. */ |
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15 #define MCACHE_MAX_ATTR_SIZE 100 |
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16 #define MCACHE_SIZE_EXP 10 |
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17 #define MCACHE_HASH(version, name_hash) \ |
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18 (((unsigned int)(version) * (unsigned int)(name_hash)) \ |
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19 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP)) |
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20 #define MCACHE_HASH_METHOD(type, name) \ |
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21 MCACHE_HASH((type)->tp_version_tag, \ |
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22 ((PyStringObject *)(name))->ob_shash) |
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23 #define MCACHE_CACHEABLE_NAME(name) \ |
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24 PyString_CheckExact(name) && \ |
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25 PyString_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE |
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26 |
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27 struct method_cache_entry { |
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28 unsigned int version; |
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29 PyObject *name; /* reference to exactly a str or None */ |
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30 PyObject *value; /* borrowed */ |
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31 }; |
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32 |
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33 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP]; |
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34 static unsigned int next_version_tag = 0; |
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35 |
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36 unsigned int |
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37 PyType_ClearCache(void) |
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38 { |
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39 Py_ssize_t i; |
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40 unsigned int cur_version_tag = next_version_tag - 1; |
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41 |
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42 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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43 method_cache[i].version = 0; |
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44 Py_CLEAR(method_cache[i].name); |
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45 method_cache[i].value = NULL; |
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46 } |
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47 next_version_tag = 0; |
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48 /* mark all version tags as invalid */ |
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49 PyType_Modified(&PyBaseObject_Type); |
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50 return cur_version_tag; |
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51 } |
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52 |
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53 void |
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54 PyType_Modified(PyTypeObject *type) |
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55 { |
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56 /* Invalidate any cached data for the specified type and all |
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57 subclasses. This function is called after the base |
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58 classes, mro, or attributes of the type are altered. |
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60 Invariants: |
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62 - Py_TPFLAGS_VALID_VERSION_TAG is never set if |
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63 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type |
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64 objects coming from non-recompiled extension modules) |
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66 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type, |
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67 it must first be set on all super types. |
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68 |
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69 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a |
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70 type (so it must first clear it on all subclasses). The |
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71 tp_version_tag value is meaningless unless this flag is set. |
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72 We don't assign new version tags eagerly, but only as |
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73 needed. |
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74 */ |
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75 PyObject *raw, *ref; |
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76 Py_ssize_t i, n; |
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78 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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79 return; |
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81 raw = type->tp_subclasses; |
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82 if (raw != NULL) { |
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83 n = PyList_GET_SIZE(raw); |
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84 for (i = 0; i < n; i++) { |
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85 ref = PyList_GET_ITEM(raw, i); |
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86 ref = PyWeakref_GET_OBJECT(ref); |
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87 if (ref != Py_None) { |
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88 PyType_Modified((PyTypeObject *)ref); |
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89 } |
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90 } |
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91 } |
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92 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG; |
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93 } |
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94 |
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95 static void |
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96 type_mro_modified(PyTypeObject *type, PyObject *bases) { |
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97 /* |
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98 Check that all base classes or elements of the mro of type are |
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99 able to be cached. This function is called after the base |
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100 classes or mro of the type are altered. |
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101 |
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102 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type |
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103 inherits from an old-style class, either directly or if it |
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104 appears in the MRO of a new-style class. No support either for |
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105 custom MROs that include types that are not officially super |
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106 types. |
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108 Called from mro_internal, which will subsequently be called on |
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109 each subclass when their mro is recursively updated. |
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110 */ |
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111 Py_ssize_t i, n; |
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112 int clear = 0; |
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114 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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115 return; |
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117 n = PyTuple_GET_SIZE(bases); |
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118 for (i = 0; i < n; i++) { |
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119 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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120 PyTypeObject *cls; |
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122 if (!PyType_Check(b) ) { |
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123 clear = 1; |
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124 break; |
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125 } |
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126 |
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127 cls = (PyTypeObject *)b; |
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128 |
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129 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) || |
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130 !PyType_IsSubtype(type, cls)) { |
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131 clear = 1; |
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132 break; |
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133 } |
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134 } |
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136 if (clear) |
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137 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG| |
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138 Py_TPFLAGS_VALID_VERSION_TAG); |
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139 } |
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141 static int |
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142 assign_version_tag(PyTypeObject *type) |
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143 { |
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144 /* Ensure that the tp_version_tag is valid and set |
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145 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this |
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146 must first be done on all super classes. Return 0 if this |
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147 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG. |
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148 */ |
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149 Py_ssize_t i, n; |
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150 PyObject *bases; |
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151 |
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152 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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153 return 1; |
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154 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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155 return 0; |
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156 if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) |
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157 return 0; |
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158 |
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159 type->tp_version_tag = next_version_tag++; |
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160 /* for stress-testing: next_version_tag &= 0xFF; */ |
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161 |
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162 if (type->tp_version_tag == 0) { |
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163 /* wrap-around or just starting Python - clear the whole |
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164 cache by filling names with references to Py_None. |
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165 Values are also set to NULL for added protection, as they |
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166 are borrowed reference */ |
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167 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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168 method_cache[i].value = NULL; |
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169 Py_XDECREF(method_cache[i].name); |
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170 method_cache[i].name = Py_None; |
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171 Py_INCREF(Py_None); |
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172 } |
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173 /* mark all version tags as invalid */ |
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174 PyType_Modified(&PyBaseObject_Type); |
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175 return 1; |
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176 } |
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177 bases = type->tp_bases; |
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178 n = PyTuple_GET_SIZE(bases); |
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179 for (i = 0; i < n; i++) { |
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180 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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181 assert(PyType_Check(b)); |
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182 if (!assign_version_tag((PyTypeObject *)b)) |
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183 return 0; |
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184 } |
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185 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG; |
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186 return 1; |
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187 } |
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188 |
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189 |
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190 static PyMemberDef type_members[] = { |
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191 {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY}, |
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192 {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY}, |
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193 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY}, |
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194 {"__weakrefoffset__", T_LONG, |
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195 offsetof(PyTypeObject, tp_weaklistoffset), READONLY}, |
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196 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY}, |
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197 {"__dictoffset__", T_LONG, |
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198 offsetof(PyTypeObject, tp_dictoffset), READONLY}, |
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199 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY}, |
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200 {0} |
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201 }; |
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203 static PyObject * |
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204 type_name(PyTypeObject *type, void *context) |
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205 { |
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206 const char *s; |
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207 |
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208 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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209 PyHeapTypeObject* et = (PyHeapTypeObject*)type; |
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210 |
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211 Py_INCREF(et->ht_name); |
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212 return et->ht_name; |
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213 } |
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214 else { |
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215 s = strrchr(type->tp_name, '.'); |
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216 if (s == NULL) |
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217 s = type->tp_name; |
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218 else |
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219 s++; |
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220 return PyString_FromString(s); |
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221 } |
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222 } |
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223 |
| 26421 | 224 static int |
| 225 type_set_name(PyTypeObject *type, PyObject *value, void *context) | |
| 226 { | |
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227 PyHeapTypeObject* et; |
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228 |
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229 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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230 PyErr_Format(PyExc_TypeError, |
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231 "can't set %s.__name__", type->tp_name); |
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232 return -1; |
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233 } |
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234 if (!value) { |
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235 PyErr_Format(PyExc_TypeError, |
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236 "can't delete %s.__name__", type->tp_name); |
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237 return -1; |
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238 } |
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239 if (!PyString_Check(value)) { |
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240 PyErr_Format(PyExc_TypeError, |
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241 "can only assign string to %s.__name__, not '%s'", |
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242 type->tp_name, Py_TYPE(value)->tp_name); |
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243 return -1; |
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244 } |
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245 if (strlen(PyString_AS_STRING(value)) |
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246 != (size_t)PyString_GET_SIZE(value)) { |
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247 PyErr_Format(PyExc_ValueError, |
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248 "__name__ must not contain null bytes"); |
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249 return -1; |
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250 } |
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251 |
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252 et = (PyHeapTypeObject*)type; |
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253 |
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254 Py_INCREF(value); |
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255 |
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256 Py_DECREF(et->ht_name); |
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257 et->ht_name = value; |
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258 |
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259 type->tp_name = PyString_AS_STRING(value); |
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260 |
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261 return 0; |
| 26421 | 262 } |
| 263 | |
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264 static PyObject * |
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265 type_module(PyTypeObject *type, void *context) |
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266 { |
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267 PyObject *mod; |
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268 char *s; |
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269 |
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270 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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271 mod = PyDict_GetItemString(type->tp_dict, "__module__"); |
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272 if (!mod) { |
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273 PyErr_Format(PyExc_AttributeError, "__module__"); |
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274 return 0; |
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275 } |
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276 Py_XINCREF(mod); |
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277 return mod; |
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278 } |
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279 else { |
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280 s = strrchr(type->tp_name, '.'); |
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281 if (s != NULL) |
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282 return PyString_FromStringAndSize( |
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283 type->tp_name, (Py_ssize_t)(s - type->tp_name)); |
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284 return PyString_FromString("__builtin__"); |
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285 } |
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286 } |
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287 |
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288 static int |
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289 type_set_module(PyTypeObject *type, PyObject *value, void *context) |
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290 { |
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291 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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292 PyErr_Format(PyExc_TypeError, |
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293 "can't set %s.__module__", type->tp_name); |
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294 return -1; |
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295 } |
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296 if (!value) { |
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297 PyErr_Format(PyExc_TypeError, |
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298 "can't delete %s.__module__", type->tp_name); |
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299 return -1; |
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300 } |
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301 |
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302 PyType_Modified(type); |
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303 |
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304 return PyDict_SetItemString(type->tp_dict, "__module__", value); |
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305 } |
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306 |
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307 static PyObject * |
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308 type_abstractmethods(PyTypeObject *type, void *context) |
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309 { |
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310 PyObject *mod = NULL; |
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311 /* type itself has an __abstractmethods__ descriptor (this). Don't return |
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312 that. */ |
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313 if (type != &PyType_Type) |
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314 mod = PyDict_GetItemString(type->tp_dict, "__abstractmethods__"); |
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315 if (!mod) { |
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316 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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317 return NULL; |
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318 } |
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319 Py_XINCREF(mod); |
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320 return mod; |
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321 } |
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322 |
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323 static int |
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324 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context) |
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325 { |
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326 /* __abstractmethods__ should only be set once on a type, in |
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327 abc.ABCMeta.__new__, so this function doesn't do anything |
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328 special to update subclasses. |
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329 */ |
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330 int res; |
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331 if (value != NULL) { |
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332 res = PyDict_SetItemString(type->tp_dict, "__abstractmethods__", value); |
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333 } |
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334 else { |
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335 res = PyDict_DelItemString(type->tp_dict, "__abstractmethods__"); |
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336 if (res && PyErr_ExceptionMatches(PyExc_KeyError)) { |
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337 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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338 return -1; |
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339 } |
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340 } |
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341 if (res == 0) { |
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342 PyType_Modified(type); |
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343 if (value && PyObject_IsTrue(value)) { |
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344 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT; |
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345 } |
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346 else { |
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347 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT; |
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348 } |
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349 } |
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350 return res; |
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351 } |
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352 |
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353 static PyObject * |
| 26421 | 354 type_get_bases(PyTypeObject *type, void *context) |
| 355 { | |
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356 Py_INCREF(type->tp_bases); |
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357 return type->tp_bases; |
| 26421 | 358 } |
| 359 | |
| 360 static PyTypeObject *best_base(PyObject *); | |
| 361 static int mro_internal(PyTypeObject *); | |
| 362 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *); | |
| 363 static int add_subclass(PyTypeObject*, PyTypeObject*); | |
| 364 static void remove_subclass(PyTypeObject *, PyTypeObject *); | |
| 365 static void update_all_slots(PyTypeObject *); | |
| 366 | |
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367 typedef int (*update_callback)(PyTypeObject *, void *); |
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368 static int update_subclasses(PyTypeObject *type, PyObject *name, |
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369 update_callback callback, void *data); |
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370 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
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371 update_callback callback, void *data); |
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372 |
| 26421 | 373 static int |
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374 mro_subclasses(PyTypeObject *type, PyObject* temp) |
| 26421 | 375 { |
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376 PyTypeObject *subclass; |
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377 PyObject *ref, *subclasses, *old_mro; |
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378 Py_ssize_t i, n; |
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379 |
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380 subclasses = type->tp_subclasses; |
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381 if (subclasses == NULL) |
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382 return 0; |
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383 assert(PyList_Check(subclasses)); |
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384 n = PyList_GET_SIZE(subclasses); |
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385 for (i = 0; i < n; i++) { |
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386 ref = PyList_GET_ITEM(subclasses, i); |
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387 assert(PyWeakref_CheckRef(ref)); |
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388 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
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389 assert(subclass != NULL); |
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390 if ((PyObject *)subclass == Py_None) |
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391 continue; |
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392 assert(PyType_Check(subclass)); |
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393 old_mro = subclass->tp_mro; |
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394 if (mro_internal(subclass) < 0) { |
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395 subclass->tp_mro = old_mro; |
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396 return -1; |
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397 } |
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398 else { |
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399 PyObject* tuple; |
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400 tuple = PyTuple_Pack(2, subclass, old_mro); |
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401 Py_DECREF(old_mro); |
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402 if (!tuple) |
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403 return -1; |
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404 if (PyList_Append(temp, tuple) < 0) |
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405 return -1; |
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406 Py_DECREF(tuple); |
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407 } |
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408 if (mro_subclasses(subclass, temp) < 0) |
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409 return -1; |
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410 } |
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411 return 0; |
| 26421 | 412 } |
| 413 | |
| 414 static int | |
| 415 type_set_bases(PyTypeObject *type, PyObject *value, void *context) | |
| 416 { | |
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417 Py_ssize_t i; |
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418 int r = 0; |
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419 PyObject *ob, *temp; |
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420 PyTypeObject *new_base, *old_base; |
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421 PyObject *old_bases, *old_mro; |
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422 |
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423 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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424 PyErr_Format(PyExc_TypeError, |
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425 "can't set %s.__bases__", type->tp_name); |
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426 return -1; |
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427 } |
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428 if (!value) { |
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429 PyErr_Format(PyExc_TypeError, |
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430 "can't delete %s.__bases__", type->tp_name); |
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431 return -1; |
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432 } |
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433 if (!PyTuple_Check(value)) { |
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434 PyErr_Format(PyExc_TypeError, |
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435 "can only assign tuple to %s.__bases__, not %s", |
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436 type->tp_name, Py_TYPE(value)->tp_name); |
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437 return -1; |
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438 } |
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439 if (PyTuple_GET_SIZE(value) == 0) { |
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440 PyErr_Format(PyExc_TypeError, |
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441 "can only assign non-empty tuple to %s.__bases__, not ()", |
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442 type->tp_name); |
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443 return -1; |
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444 } |
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445 for (i = 0; i < PyTuple_GET_SIZE(value); i++) { |
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446 ob = PyTuple_GET_ITEM(value, i); |
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447 if (!PyClass_Check(ob) && !PyType_Check(ob)) { |
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448 PyErr_Format( |
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449 PyExc_TypeError, |
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450 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'", |
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451 type->tp_name, Py_TYPE(ob)->tp_name); |
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452 return -1; |
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453 } |
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454 if (PyType_Check(ob)) { |
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455 if (PyType_IsSubtype((PyTypeObject*)ob, type)) { |
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456 PyErr_SetString(PyExc_TypeError, |
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457 "a __bases__ item causes an inheritance cycle"); |
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458 return -1; |
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459 } |
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460 } |
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461 } |
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462 |
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463 new_base = best_base(value); |
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464 |
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465 if (!new_base) { |
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466 return -1; |
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467 } |
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468 |
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469 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__")) |
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470 return -1; |
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471 |
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472 Py_INCREF(new_base); |
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473 Py_INCREF(value); |
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474 |
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475 old_bases = type->tp_bases; |
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476 old_base = type->tp_base; |
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477 old_mro = type->tp_mro; |
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478 |
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479 type->tp_bases = value; |
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480 type->tp_base = new_base; |
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481 |
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482 if (mro_internal(type) < 0) { |
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483 goto bail; |
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484 } |
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485 |
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486 temp = PyList_New(0); |
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487 if (!temp) |
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488 goto bail; |
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489 |
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490 r = mro_subclasses(type, temp); |
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491 |
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492 if (r < 0) { |
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493 for (i = 0; i < PyList_Size(temp); i++) { |
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494 PyTypeObject* cls; |
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495 PyObject* mro; |
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496 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i), |
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497 "", 2, 2, &cls, &mro); |
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498 Py_INCREF(mro); |
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499 ob = cls->tp_mro; |
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500 cls->tp_mro = mro; |
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501 Py_DECREF(ob); |
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502 } |
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503 Py_DECREF(temp); |
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504 goto bail; |
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505 } |
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506 |
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507 Py_DECREF(temp); |
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508 |
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509 /* any base that was in __bases__ but now isn't, we |
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510 need to remove |type| from its tp_subclasses. |
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511 conversely, any class now in __bases__ that wasn't |
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512 needs to have |type| added to its subclasses. */ |
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513 |
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514 /* for now, sod that: just remove from all old_bases, |
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515 add to all new_bases */ |
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516 |
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517 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) { |
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518 ob = PyTuple_GET_ITEM(old_bases, i); |
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519 if (PyType_Check(ob)) { |
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520 remove_subclass( |
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521 (PyTypeObject*)ob, type); |
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522 } |
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523 } |
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524 |
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525 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) { |
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526 ob = PyTuple_GET_ITEM(value, i); |
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527 if (PyType_Check(ob)) { |
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528 if (add_subclass((PyTypeObject*)ob, type) < 0) |
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529 r = -1; |
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530 } |
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531 } |
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532 |
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533 update_all_slots(type); |
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534 |
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535 Py_DECREF(old_bases); |
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536 Py_DECREF(old_base); |
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537 Py_DECREF(old_mro); |
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538 |
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539 return r; |
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26446
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I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
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540 |
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541 bail: |
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542 Py_DECREF(type->tp_bases); |
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543 Py_DECREF(type->tp_base); |
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544 if (type->tp_mro != old_mro) { |
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545 Py_DECREF(type->tp_mro); |
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546 } |
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547 |
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548 type->tp_bases = old_bases; |
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549 type->tp_base = old_base; |
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550 type->tp_mro = old_mro; |
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551 |
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552 return -1; |
| 26421 | 553 } |
| 554 | |
| 555 static PyObject * | |
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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556 type_dict(PyTypeObject *type, void *context) |
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557 { |
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558 if (type->tp_dict == NULL) { |
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559 Py_INCREF(Py_None); |
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560 return Py_None; |
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561 } |
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562 return PyDictProxy_New(type->tp_dict); |
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2080
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added getattr(), supporting __doc__ and _name__
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563 } |
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added getattr(), supporting __doc__ and _name__
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564 |
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SF patch 530070: pydoc regression, from Martin and Guido.
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565 static PyObject * |
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566 type_get_doc(PyTypeObject *type, void *context) |
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567 { |
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568 PyObject *result; |
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569 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL) |
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570 return PyString_FromString(type->tp_doc); |
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571 result = PyDict_GetItemString(type->tp_dict, "__doc__"); |
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572 if (result == NULL) { |
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573 result = Py_None; |
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574 Py_INCREF(result); |
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575 } |
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576 else if (Py_TYPE(result)->tp_descr_get) { |
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577 result = Py_TYPE(result)->tp_descr_get(result, NULL, |
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578 (PyObject *)type); |
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579 } |
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580 else { |
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581 Py_INCREF(result); |
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582 } |
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583 return result; |
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584 } |
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585 |
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586 static PyObject * |
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587 type___instancecheck__(PyObject *type, PyObject *inst) |
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588 { |
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589 switch (_PyObject_RealIsInstance(inst, type)) { |
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590 case -1: |
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591 return NULL; |
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592 case 0: |
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593 Py_RETURN_FALSE; |
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594 default: |
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595 Py_RETURN_TRUE; |
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596 } |
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597 } |
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598 |
|
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599 |
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600 static PyObject * |
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601 type___subclasscheck__(PyObject *type, PyObject *inst) |
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602 { |
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603 switch (_PyObject_RealIsSubclass(inst, type)) { |
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604 case -1: |
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605 return NULL; |
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606 case 0: |
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607 Py_RETURN_FALSE; |
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608 default: |
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609 Py_RETURN_TRUE; |
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610 } |
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611 } |
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612 |
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613 |
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614 static PyGetSetDef type_getsets[] = { |
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615 {"__name__", (getter)type_name, (setter)type_set_name, NULL}, |
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616 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL}, |
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617 {"__module__", (getter)type_module, (setter)type_set_module, NULL}, |
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618 {"__abstractmethods__", (getter)type_abstractmethods, |
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619 (setter)type_set_abstractmethods, NULL}, |
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620 {"__dict__", (getter)type_dict, NULL, NULL}, |
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621 {"__doc__", (getter)type_get_doc, NULL, NULL}, |
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622 {0} |
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623 }; |
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624 |
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625 |
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626 static PyObject* |
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627 type_richcompare(PyObject *v, PyObject *w, int op) |
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628 { |
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629 PyObject *result; |
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630 Py_uintptr_t vv, ww; |
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631 int c; |
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632 |
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633 /* Make sure both arguments are types. */ |
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634 if (!PyType_Check(v) || !PyType_Check(w) || |
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635 /* If there is a __cmp__ method defined, let it be called instead |
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636 of our dumb function designed merely to warn. See bug |
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637 #7491. */ |
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638 Py_TYPE(v)->tp_compare || Py_TYPE(w)->tp_compare) { |
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639 result = Py_NotImplemented; |
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640 goto out; |
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641 } |
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642 |
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643 /* Py3K warning if comparison isn't == or != */ |
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644 if (Py_Py3kWarningFlag && op != Py_EQ && op != Py_NE && |
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645 PyErr_WarnEx(PyExc_DeprecationWarning, |
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646 "type inequality comparisons not supported " |
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647 "in 3.x", 1) < 0) { |
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648 return NULL; |
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649 } |
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650 |
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651 /* Compare addresses */ |
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652 vv = (Py_uintptr_t)v; |
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653 ww = (Py_uintptr_t)w; |
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654 switch (op) { |
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655 case Py_LT: c = vv < ww; break; |
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656 case Py_LE: c = vv <= ww; break; |
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657 case Py_EQ: c = vv == ww; break; |
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658 case Py_NE: c = vv != ww; break; |
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659 case Py_GT: c = vv > ww; break; |
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660 case Py_GE: c = vv >= ww; break; |
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661 default: |
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662 result = Py_NotImplemented; |
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663 goto out; |
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664 } |
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665 result = c ? Py_True : Py_False; |
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666 |
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667 /* incref and return */ |
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668 out: |
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669 Py_INCREF(result); |
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670 return result; |
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671 } |
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672 |
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673 static PyObject * |
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674 type_repr(PyTypeObject *type) |
| 6 | 675 { |
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676 PyObject *mod, *name, *rtn; |
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677 char *kind; |
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678 |
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679 mod = type_module(type, NULL); |
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680 if (mod == NULL) |
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681 PyErr_Clear(); |
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682 else if (!PyString_Check(mod)) { |
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683 Py_DECREF(mod); |
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684 mod = NULL; |
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685 } |
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686 name = type_name(type, NULL); |
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687 if (name == NULL) |
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688 return NULL; |
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689 |
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690 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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691 kind = "class"; |
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692 else |
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693 kind = "type"; |
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694 |
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695 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__")) { |
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696 rtn = PyString_FromFormat("<%s '%s.%s'>", |
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697 kind, |
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698 PyString_AS_STRING(mod), |
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699 PyString_AS_STRING(name)); |
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700 } |
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701 else |
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702 rtn = PyString_FromFormat("<%s '%s'>", kind, type->tp_name); |
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703 |
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704 Py_XDECREF(mod); |
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705 Py_DECREF(name); |
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706 return rtn; |
| 6 | 707 } |
| 708 | |
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709 static PyObject * |
|
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710 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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711 { |
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712 PyObject *obj; |
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713 |
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714 if (type->tp_new == NULL) { |
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715 PyErr_Format(PyExc_TypeError, |
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716 "cannot create '%.100s' instances", |
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717 type->tp_name); |
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718 return NULL; |
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719 } |
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720 |
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721 obj = type->tp_new(type, args, kwds); |
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722 if (obj != NULL) { |
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723 /* Ugly exception: when the call was type(something), |
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724 don't call tp_init on the result. */ |
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725 if (type == &PyType_Type && |
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726 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 && |
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727 (kwds == NULL || |
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728 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0))) |
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729 return obj; |
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730 /* If the returned object is not an instance of type, |
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731 it won't be initialized. */ |
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732 if (!PyType_IsSubtype(obj->ob_type, type)) |
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733 return obj; |
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734 type = obj->ob_type; |
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735 if (PyType_HasFeature(type, Py_TPFLAGS_HAVE_CLASS) && |
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736 type->tp_init != NULL && |
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737 type->tp_init(obj, args, kwds) < 0) { |
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738 Py_DECREF(obj); |
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739 obj = NULL; |
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740 } |
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741 } |
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742 return obj; |
|
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743 } |
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744 |
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745 PyObject * |
|
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746 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems) |
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747 { |
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748 PyObject *obj; |
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749 const size_t size = _PyObject_VAR_SIZE(type, nitems+1); |
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750 /* note that we need to add one, for the sentinel */ |
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751 |
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752 if (PyType_IS_GC(type)) |
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753 obj = _PyObject_GC_Malloc(size); |
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754 else |
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755 obj = (PyObject *)PyObject_MALLOC(size); |
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756 |
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757 if (obj == NULL) |
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758 return PyErr_NoMemory(); |
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759 |
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760 memset(obj, '\0', size); |
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761 |
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762 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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763 Py_INCREF(type); |
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764 |
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765 if (type->tp_itemsize == 0) |
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766 PyObject_INIT(obj, type); |
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767 else |
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768 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems); |
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769 |
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770 if (PyType_IS_GC(type)) |
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771 _PyObject_GC_TRACK(obj); |
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772 return obj; |
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773 } |
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774 |
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775 PyObject * |
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776 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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777 { |
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778 return type->tp_alloc(type, 0); |
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779 } |
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780 |
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20277
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781 /* Helpers for subtyping */ |
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782 |
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783 static int |
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784 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg) |
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785 { |
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786 Py_ssize_t i, n; |
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787 PyMemberDef *mp; |
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788 |
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789 n = Py_SIZE(type); |
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790 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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791 for (i = 0; i < n; i++, mp++) { |
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792 if (mp->type == T_OBJECT_EX) { |
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793 char *addr = (char *)self + mp->offset; |
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794 PyObject *obj = *(PyObject **)addr; |
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795 if (obj != NULL) { |
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796 int err = visit(obj, arg); |
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797 if (err) |
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798 return err; |
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799 } |
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800 } |
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801 } |
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802 return 0; |
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803 } |
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804 |
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805 static int |
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806 subtype_traverse(PyObject *self, visitproc visit, void *arg) |
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807 { |
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808 PyTypeObject *type, *base; |
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809 traverseproc basetraverse; |
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810 |
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811 /* Find the nearest base with a different tp_traverse, |
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812 and traverse slots while we're at it */ |
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813 type = Py_TYPE(self); |
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814 base = type; |
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815 while ((basetraverse = base->tp_traverse) == subtype_traverse) { |
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816 if (Py_SIZE(base)) { |
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817 int err = traverse_slots(base, self, visit, arg); |
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818 if (err) |
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819 return err; |
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820 } |
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821 base = base->tp_base; |
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822 assert(base); |
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823 } |
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824 |
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825 if (type->tp_dictoffset != base->tp_dictoffset) { |
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826 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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827 if (dictptr && *dictptr) |
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828 Py_VISIT(*dictptr); |
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829 } |
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830 |
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831 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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832 /* For a heaptype, the instances count as references |
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833 to the type. Traverse the type so the collector |
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834 can find cycles involving this link. */ |
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835 Py_VISIT(type); |
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836 |
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837 if (basetraverse) |
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838 return basetraverse(self, visit, arg); |
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839 return 0; |
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840 } |
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841 |
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842 static void |
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843 clear_slots(PyTypeObject *type, PyObject *self) |
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844 { |
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845 Py_ssize_t i, n; |
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846 PyMemberDef *mp; |
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847 |
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848 n = Py_SIZE(type); |
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849 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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850 for (i = 0; i < n; i++, mp++) { |
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851 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) { |
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852 char *addr = (char *)self + mp->offset; |
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853 PyObject *obj = *(PyObject **)addr; |
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854 if (obj != NULL) { |
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855 *(PyObject **)addr = NULL; |
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856 Py_DECREF(obj); |
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857 } |
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858 } |
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859 } |
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860 } |
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861 |
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862 static int |
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863 subtype_clear(PyObject *self) |
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864 { |
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865 PyTypeObject *type, *base; |
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866 inquiry baseclear; |
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867 |
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868 /* Find the nearest base with a different tp_clear |
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869 and clear slots while we're at it */ |
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870 type = Py_TYPE(self); |
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871 base = type; |
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872 while ((baseclear = base->tp_clear) == subtype_clear) { |
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873 if (Py_SIZE(base)) |
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874 clear_slots(base, self); |
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875 base = base->tp_base; |
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876 assert(base); |
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877 } |
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878 |
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879 /* There's no need to clear the instance dict (if any); |
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880 the collector will call its tp_clear handler. */ |
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881 |
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882 if (baseclear) |
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883 return baseclear(self); |
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884 return 0; |
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885 } |
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886 |
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887 static void |
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888 subtype_dealloc(PyObject *self) |
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889 { |
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890 PyTypeObject *type, *base; |
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891 destructor basedealloc; |
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892 |
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893 /* Extract the type; we expect it to be a heap type */ |
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894 type = Py_TYPE(self); |
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895 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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896 |
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897 /* Test whether the type has GC exactly once */ |
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898 |
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899 if (!PyType_IS_GC(type)) { |
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900 /* It's really rare to find a dynamic type that doesn't have |
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901 GC; it can only happen when deriving from 'object' and not |
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902 adding any slots or instance variables. This allows |
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903 certain simplifications: there's no need to call |
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904 clear_slots(), or DECREF the dict, or clear weakrefs. */ |
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905 |
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906 /* Maybe call finalizer; exit early if resurrected */ |
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907 if (type->tp_del) { |
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908 type->tp_del(self); |
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909 if (self->ob_refcnt > 0) |
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910 return; |
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911 } |
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912 |
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913 /* Find the nearest base with a different tp_dealloc */ |
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914 base = type; |
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915 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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916 assert(Py_SIZE(base) == 0); |
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917 base = base->tp_base; |
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918 assert(base); |
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919 } |
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920 |
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921 /* Extract the type again; tp_del may have changed it */ |
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922 type = Py_TYPE(self); |
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923 |
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924 /* Call the base tp_dealloc() */ |
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925 assert(basedealloc); |
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926 basedealloc(self); |
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927 |
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928 /* Can't reference self beyond this point */ |
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929 Py_DECREF(type); |
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930 |
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931 /* Done */ |
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932 return; |
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933 } |
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934 |
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935 /* We get here only if the type has GC */ |
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936 |
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937 /* UnTrack and re-Track around the trashcan macro, alas */ |
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938 /* See explanation at end of function for full disclosure */ |
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939 PyObject_GC_UnTrack(self); |
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940 ++_PyTrash_delete_nesting; |
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941 Py_TRASHCAN_SAFE_BEGIN(self); |
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942 --_PyTrash_delete_nesting; |
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943 /* DO NOT restore GC tracking at this point. weakref callbacks |
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944 * (if any, and whether directly here or indirectly in something we |
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945 * call) may trigger GC, and if self is tracked at that point, it |
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946 * will look like trash to GC and GC will try to delete self again. |
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947 */ |
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948 |
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949 /* Find the nearest base with a different tp_dealloc */ |
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950 base = type; |
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951 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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952 base = base->tp_base; |
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953 assert(base); |
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954 } |
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955 |
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956 /* If we added a weaklist, we clear it. Do this *before* calling |
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957 the finalizer (__del__), clearing slots, or clearing the instance |
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958 dict. */ |
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959 |
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960 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) |
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961 PyObject_ClearWeakRefs(self); |
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962 |
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963 /* Maybe call finalizer; exit early if resurrected */ |
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964 if (type->tp_del) { |
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965 _PyObject_GC_TRACK(self); |
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966 type->tp_del(self); |
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967 if (self->ob_refcnt > 0) |
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968 goto endlabel; /* resurrected */ |
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969 else |
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970 _PyObject_GC_UNTRACK(self); |
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971 /* New weakrefs could be created during the finalizer call. |
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972 If this occurs, clear them out without calling their |
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973 finalizers since they might rely on part of the object |
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974 being finalized that has already been destroyed. */ |
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975 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) { |
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976 /* Modeled after GET_WEAKREFS_LISTPTR() */ |
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977 PyWeakReference **list = (PyWeakReference **) \ |
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978 PyObject_GET_WEAKREFS_LISTPTR(self); |
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979 while (*list) |
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980 _PyWeakref_ClearRef(*list); |
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981 } |
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982 } |
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983 |
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984 /* Clear slots up to the nearest base with a different tp_dealloc */ |
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985 base = type; |
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986 while (base->tp_dealloc == subtype_dealloc) { |
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61465
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987 if (Py_SIZE(base)) |
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988 clear_slots(base, self); |
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989 base = base->tp_base; |
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990 assert(base); |
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991 } |
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992 |
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993 /* If we added a dict, DECREF it */ |
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994 if (type->tp_dictoffset && !base->tp_dictoffset) { |
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995 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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996 if (dictptr != NULL) { |
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997 PyObject *dict = *dictptr; |
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998 if (dict != NULL) { |
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999 Py_DECREF(dict); |
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1000 *dictptr = NULL; |
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1001 } |
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1002 } |
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1003 } |
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1004 |
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1005 /* Extract the type again; tp_del may have changed it */ |
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1006 type = Py_TYPE(self); |
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1007 |
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1008 /* Call the base tp_dealloc(); first retrack self if |
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1009 * basedealloc knows about gc. |
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1010 */ |
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1011 if (PyType_IS_GC(base)) |
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1012 _PyObject_GC_TRACK(self); |
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1013 assert(basedealloc); |
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1014 basedealloc(self); |
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1015 |
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1016 PyType_Modified(type); |
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1017 |
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1018 /* Can't reference self beyond this point */ |
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1019 Py_DECREF(type); |
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1020 |
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1021 endlabel: |
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1022 ++_PyTrash_delete_nesting; |
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1023 Py_TRASHCAN_SAFE_END(self); |
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1024 --_PyTrash_delete_nesting; |
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1025 |
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1026 /* Explanation of the weirdness around the trashcan macros: |
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1027 |
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1028 Q. What do the trashcan macros do? |
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1029 |
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1030 A. Read the comment titled "Trashcan mechanism" in object.h. |
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1031 For one, this explains why there must be a call to GC-untrack |
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1032 before the trashcan begin macro. Without understanding the |
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1033 trashcan code, the answers to the following questions don't make |
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1034 sense. |
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1035 |
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1036 Q. Why do we GC-untrack before the trashcan and then immediately |
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1037 GC-track again afterward? |
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1038 |
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1039 A. In the case that the base class is GC-aware, the base class |
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1040 probably GC-untracks the object. If it does that using the |
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1041 UNTRACK macro, this will crash when the object is already |
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1042 untracked. Because we don't know what the base class does, the |
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1043 only safe thing is to make sure the object is tracked when we |
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1044 call the base class dealloc. But... The trashcan begin macro |
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1045 requires that the object is *untracked* before it is called. So |
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1046 the dance becomes: |
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1047 |
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1048 GC untrack |
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1049 trashcan begin |
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1050 GC track |
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1051 |
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1052 Q. Why did the last question say "immediately GC-track again"? |
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1053 It's nowhere near immediately. |
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1054 |
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1055 A. Because the code *used* to re-track immediately. Bad Idea. |
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1056 self has a refcount of 0, and if gc ever gets its hands on it |
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1057 (which can happen if any weakref callback gets invoked), it |
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1058 looks like trash to gc too, and gc also tries to delete self |
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1059 then. But we're already deleting self. Double deallocation is |
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1060 a subtle disaster. |
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1061 |
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1062 Q. Why the bizarre (net-zero) manipulation of |
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1063 _PyTrash_delete_nesting around the trashcan macros? |
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1064 |
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1065 A. Some base classes (e.g. list) also use the trashcan mechanism. |
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1066 The following scenario used to be possible: |
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1067 |
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1068 - suppose the trashcan level is one below the trashcan limit |
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1069 |
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1070 - subtype_dealloc() is called |
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1071 |
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1072 - the trashcan limit is not yet reached, so the trashcan level |
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1073 is incremented and the code between trashcan begin and end is |
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1074 executed |
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1075 |
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1076 - this destroys much of the object's contents, including its |
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1077 slots and __dict__ |
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1078 |
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1079 - basedealloc() is called; this is really list_dealloc(), or |
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1080 some other type which also uses the trashcan macros |
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1081 |
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1082 - the trashcan limit is now reached, so the object is put on the |
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1083 trashcan's to-be-deleted-later list |
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1084 |
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1085 - basedealloc() returns |
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1086 |
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1087 - subtype_dealloc() decrefs the object's type |
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1089 - subtype_dealloc() returns |
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1090 |
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1091 - later, the trashcan code starts deleting the objects from its |
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1092 to-be-deleted-later list |
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1093 |
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1094 - subtype_dealloc() is called *AGAIN* for the same object |
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1095 |
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1096 - at the very least (if the destroyed slots and __dict__ don't |
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1097 cause problems) the object's type gets decref'ed a second |
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1098 time, which is *BAD*!!! |
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1099 |
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1100 The remedy is to make sure that if the code between trashcan |
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1101 begin and end in subtype_dealloc() is called, the code between |
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1102 trashcan begin and end in basedealloc() will also be called. |
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1103 This is done by decrementing the level after passing into the |
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1104 trashcan block, and incrementing it just before leaving the |
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1105 block. |
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1106 |
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1107 But now it's possible that a chain of objects consisting solely |
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1108 of objects whose deallocator is subtype_dealloc() will defeat |
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1109 the trashcan mechanism completely: the decremented level means |
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1110 that the effective level never reaches the limit. Therefore, we |
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1111 *increment* the level *before* entering the trashcan block, and |
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1112 matchingly decrement it after leaving. This means the trashcan |
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1113 code will trigger a little early, but that's no big deal. |
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1114 |
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1115 Q. Are there any live examples of code in need of all this |
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1116 complexity? |
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1117 |
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1118 A. Yes. See SF bug 668433 for code that crashed (when Python was |
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1119 compiled in debug mode) before the trashcan level manipulations |
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1120 were added. For more discussion, see SF patches 581742, 575073 |
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1121 and bug 574207. |
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1122 */ |
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1123 } |
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1124 |
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1125 static PyTypeObject *solid_base(PyTypeObject *type); |
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1126 |
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1127 /* type test with subclassing support */ |
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1128 |
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1129 int |
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1130 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b) |
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1131 { |
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1132 PyObject *mro; |
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1133 |
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1134 if (!(a->tp_flags & Py_TPFLAGS_HAVE_CLASS)) |
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1135 return b == a || b == &PyBaseObject_Type; |
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1136 |
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1137 mro = a->tp_mro; |
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1138 if (mro != NULL) { |
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1139 /* Deal with multiple inheritance without recursion |
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1140 by walking the MRO tuple */ |
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1141 Py_ssize_t i, n; |
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1142 assert(PyTuple_Check(mro)); |
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1143 n = PyTuple_GET_SIZE(mro); |
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1144 for (i = 0; i < n; i++) { |
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1145 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) |
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1146 return 1; |
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1147 } |
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1148 return 0; |
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1149 } |
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1150 else { |
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1151 /* a is not completely initilized yet; follow tp_base */ |
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1152 do { |
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1153 if (a == b) |
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1154 return 1; |
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1155 a = a->tp_base; |
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1156 } while (a != NULL); |
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1157 return b == &PyBaseObject_Type; |
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1158 } |
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1159 } |
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1160 |
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1161 /* Internal routines to do a method lookup in the type |
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1162 without looking in the instance dictionary |
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1163 (so we can't use PyObject_GetAttr) but still binding |
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1164 it to the instance. The arguments are the object, |
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1165 the method name as a C string, and the address of a |
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1166 static variable used to cache the interned Python string. |
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1167 |
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1168 Two variants: |
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1169 |
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1170 - lookup_maybe() returns NULL without raising an exception |
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1171 when the _PyType_Lookup() call fails; |
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1172 |
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1173 - lookup_method() always raises an exception upon errors. |
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1174 |
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1175 - _PyObject_LookupSpecial() exported for the benefit of other places. |
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1176 */ |
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1177 |
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1178 static PyObject * |
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1179 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj) |
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1180 { |
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1181 PyObject *res; |
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1182 |
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1183 if (*attrobj == NULL) { |
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1184 *attrobj = PyString_InternFromString(attrstr); |
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1185 if (*attrobj == NULL) |
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1186 return NULL; |
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1187 } |
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1188 res = _PyType_Lookup(Py_TYPE(self), *attrobj); |
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1189 if (res != NULL) { |
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1190 descrgetfunc f; |
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1191 if ((f = Py_TYPE(res)->tp_descr_get) == NULL) |
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1192 Py_INCREF(res); |
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1193 else |
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1194 res = f(res, self, (PyObject *)(Py_TYPE(self))); |
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1195 } |
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1196 return res; |
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1197 } |
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1198 |
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1199 static PyObject * |
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1200 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj) |
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1201 { |
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1202 PyObject *res = lookup_maybe(self, attrstr, attrobj); |
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1203 if (res == NULL && !PyErr_Occurred()) |
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1204 PyErr_SetObject(PyExc_AttributeError, *attrobj); |
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1205 return res; |
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1206 } |
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1207 |
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1208 PyObject * |
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1209 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj) |
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1210 { |
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1211 assert(!PyInstance_Check(self)); |
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1212 return lookup_maybe(self, attrstr, attrobj); |
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1213 } |
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1214 |
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1215 /* A variation of PyObject_CallMethod that uses lookup_method() |
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1216 instead of PyObject_GetAttrString(). This uses the same convention |
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1217 as lookup_method to cache the interned name string object. */ |
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1218 |
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1219 static PyObject * |
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1220 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...) |
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1221 { |
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1222 va_list va; |
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1223 PyObject *args, *func = 0, *retval; |
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1224 va_start(va, format); |
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1225 |
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1226 func = lookup_maybe(o, name, nameobj); |
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1227 if (func == NULL) { |
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1228 va_end(va); |
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1229 if (!PyErr_Occurred()) |
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1230 PyErr_SetObject(PyExc_AttributeError, *nameobj); |
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1231 return NULL; |
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1232 } |
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1233 |
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1234 if (format && *format) |
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1235 args = Py_VaBuildValue(format, va); |
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1236 else |
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1237 args = PyTuple_New(0); |
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1238 |
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1239 va_end(va); |
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1240 |
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1241 if (args == NULL) |
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1242 return NULL; |
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1243 |
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1244 assert(PyTuple_Check(args)); |
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1245 retval = PyObject_Call(func, args, NULL); |
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1246 |
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1247 Py_DECREF(args); |
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1248 Py_DECREF(func); |
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1249 |
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1250 return retval; |
|
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1251 } |
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1252 |
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1253 /* Clone of call_method() that returns NotImplemented when the lookup fails. */ |
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1254 |
|
20595
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Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
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1255 static PyObject * |
|
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1256 call_maybe(PyObject *o, char *name, PyObject **nameobj, char *format, ...) |
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1257 { |
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1258 va_list va; |
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1259 PyObject *args, *func = 0, *retval; |
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1260 va_start(va, format); |
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1261 |
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1262 func = lookup_maybe(o, name, nameobj); |
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1263 if (func == NULL) { |
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1264 va_end(va); |
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1265 if (!PyErr_Occurred()) { |
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1266 Py_INCREF(Py_NotImplemented); |
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1267 return Py_NotImplemented; |
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1268 } |
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1269 return NULL; |
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1270 } |
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1271 |
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1272 if (format && *format) |
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1273 args = Py_VaBuildValue(format, va); |
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1274 else |
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1275 args = PyTuple_New(0); |
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1276 |
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1277 va_end(va); |
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1278 |
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1279 if (args == NULL) |
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1280 return NULL; |
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1281 |
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1282 assert(PyTuple_Check(args)); |
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1283 retval = PyObject_Call(func, args, NULL); |
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1284 |
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1285 Py_DECREF(args); |
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1286 Py_DECREF(func); |
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1287 |
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1288 return retval; |
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1289 } |
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1290 |
|
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1291 static int |
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1292 fill_classic_mro(PyObject *mro, PyObject *cls) |
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1293 { |
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1294 PyObject *bases, *base; |
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1295 Py_ssize_t i, n; |
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1296 |
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1297 assert(PyList_Check(mro)); |
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1298 assert(PyClass_Check(cls)); |
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1299 i = PySequence_Contains(mro, cls); |
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1300 if (i < 0) |
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1301 return -1; |
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1302 if (!i) { |
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1303 if (PyList_Append(mro, cls) < 0) |
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1304 return -1; |
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1305 } |
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1306 bases = ((PyClassObject *)cls)->cl_bases; |
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1307 assert(bases && PyTuple_Check(bases)); |
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1308 n = PyTuple_GET_SIZE(bases); |
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1309 for (i = 0; i < n; i++) { |
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1310 base = PyTuple_GET_ITEM(bases, i); |
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1311 if (fill_classic_mro(mro, base) < 0) |
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1312 return -1; |
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1313 } |
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1314 return 0; |
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1315 } |
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1316 |
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1317 static PyObject * |
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1318 classic_mro(PyObject *cls) |
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1319 { |
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1320 PyObject *mro; |
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1321 |
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1322 assert(PyClass_Check(cls)); |
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1323 mro = PyList_New(0); |
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1324 if (mro != NULL) { |
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1325 if (fill_classic_mro(mro, cls) == 0) |
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1326 return mro; |
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1327 Py_DECREF(mro); |
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1328 } |
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1329 return NULL; |
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1330 } |
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1331 |
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1332 /* |
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1333 Method resolution order algorithm C3 described in |
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1334 "A Monotonic Superclass Linearization for Dylan", |
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1335 by Kim Barrett, Bob Cassel, Paul Haahr, |
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1336 David A. Moon, Keith Playford, and P. Tucker Withington. |
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1337 (OOPSLA 1996) |
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1338 |
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1339 Some notes about the rules implied by C3: |
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1340 |
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1341 No duplicate bases. |
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1342 It isn't legal to repeat a class in a list of base classes. |
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1343 |
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1344 The next three properties are the 3 constraints in "C3". |
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1345 |
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1346 Local precendece order. |
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1347 If A precedes B in C's MRO, then A will precede B in the MRO of all |
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1348 subclasses of C. |
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1349 |
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1350 Monotonicity. |
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1351 The MRO of a class must be an extension without reordering of the |
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1352 MRO of each of its superclasses. |
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1353 |
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1354 Extended Precedence Graph (EPG). |
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1355 Linearization is consistent if there is a path in the EPG from |
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1356 each class to all its successors in the linearization. See |
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1357 the paper for definition of EPG. |
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1358 */ |
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1359 |
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1360 static int |
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1361 tail_contains(PyObject *list, int whence, PyObject *o) { |
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1362 Py_ssize_t j, size; |
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1363 size = PyList_GET_SIZE(list); |
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1364 |
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1365 for (j = whence+1; j < size; j++) { |
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1366 if (PyList_GET_ITEM(list, j) == o) |
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1367 return 1; |
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1368 } |
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1369 return 0; |
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1370 } |
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1371 |
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1372 static PyObject * |
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1373 class_name(PyObject *cls) |
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1374 { |
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1375 PyObject *name = PyObject_GetAttrString(cls, "__name__"); |
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1376 if (name == NULL) { |
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1377 PyErr_Clear(); |
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1378 Py_XDECREF(name); |
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1379 name = PyObject_Repr(cls); |
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1380 } |
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1381 if (name == NULL) |
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1382 return NULL; |
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1383 if (!PyString_Check(name)) { |
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1384 Py_DECREF(name); |
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1385 return NULL; |
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1386 } |
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1387 return name; |
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1388 } |
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1389 |
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1390 static int |
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1391 check_duplicates(PyObject *list) |
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1392 { |
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1393 Py_ssize_t i, j, n; |
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1394 /* Let's use a quadratic time algorithm, |
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1395 assuming that the bases lists is short. |
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1396 */ |
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1397 n = PyList_GET_SIZE(list); |
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1398 for (i = 0; i < n; i++) { |
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1399 PyObject *o = PyList_GET_ITEM(list, i); |
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1400 for (j = i + 1; j < n; j++) { |
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1401 if (PyList_GET_ITEM(list, j) == o) { |
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1402 o = class_name(o); |
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1403 PyErr_Format(PyExc_TypeError, |
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1404 "duplicate base class %s", |
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1405 o ? PyString_AS_STRING(o) : "?"); |
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1406 Py_XDECREF(o); |
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1407 return -1; |
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1408 } |
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1409 } |
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1410 } |
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1411 return 0; |
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1412 } |
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1413 |
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1414 /* Raise a TypeError for an MRO order disagreement. |
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1415 |
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1416 It's hard to produce a good error message. In the absence of better |
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1417 insight into error reporting, report the classes that were candidates |
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1418 to be put next into the MRO. There is some conflict between the |
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1419 order in which they should be put in the MRO, but it's hard to |
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1420 diagnose what constraint can't be satisfied. |
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1421 */ |
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1422 |
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1423 static void |
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1424 set_mro_error(PyObject *to_merge, int *remain) |
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1425 { |
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1426 Py_ssize_t i, n, off, to_merge_size; |
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1427 char buf[1000]; |
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1428 PyObject *k, *v; |
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1429 PyObject *set = PyDict_New(); |
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1430 if (!set) return; |
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1431 |
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1432 to_merge_size = PyList_GET_SIZE(to_merge); |
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1433 for (i = 0; i < to_merge_size; i++) { |
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1434 PyObject *L = PyList_GET_ITEM(to_merge, i); |
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1435 if (remain[i] < PyList_GET_SIZE(L)) { |
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1436 PyObject *c = PyList_GET_ITEM(L, remain[i]); |
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1437 if (PyDict_SetItem(set, c, Py_None) < 0) { |
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1438 Py_DECREF(set); |
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1439 return; |
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1440 } |
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1441 } |
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1442 } |
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1443 n = PyDict_Size(set); |
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1444 |
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1445 off = PyOS_snprintf(buf, sizeof(buf), "Cannot create a \ |
|
28514
9400504cb0b2
SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
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|
1446 consistent method resolution\norder (MRO) for bases"); |
|
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1447 i = 0; |
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1448 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) { |
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1449 PyObject *name = class_name(k); |
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1450 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", |
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1451 name ? PyString_AS_STRING(name) : "?"); |
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1452 Py_XDECREF(name); |
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1453 if (--n && (size_t)(off+1) < sizeof(buf)) { |
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1454 buf[off++] = ','; |
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1455 buf[off] = '\0'; |
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1456 } |
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1457 } |
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1458 PyErr_SetString(PyExc_TypeError, buf); |
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1459 Py_DECREF(set); |
|
26410
26918e2efd17
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Guido van Rossum <guido@python.org>
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1460 } |
|
26918e2efd17
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Guido van Rossum <guido@python.org>
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1461 |
|
26575
93b5ca9423eb
slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
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1462 static int |
|
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1463 pmerge(PyObject *acc, PyObject* to_merge) { |
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1464 Py_ssize_t i, j, to_merge_size, empty_cnt; |
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1465 int *remain; |
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1466 int ok; |
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1467 |
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1468 to_merge_size = PyList_GET_SIZE(to_merge); |
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1469 |
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1470 /* remain stores an index into each sublist of to_merge. |
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1471 remain[i] is the index of the next base in to_merge[i] |
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1472 that is not included in acc. |
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1473 */ |
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1474 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size); |
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1475 if (remain == NULL) |
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1476 return -1; |
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1477 for (i = 0; i < to_merge_size; i++) |
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1478 remain[i] = 0; |
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1479 |
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1480 again: |
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1481 empty_cnt = 0; |
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1482 for (i = 0; i < to_merge_size; i++) { |
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1483 PyObject *candidate; |
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1484 |
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1485 PyObject *cur_list = PyList_GET_ITEM(to_merge, i); |
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1486 |
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1487 if (remain[i] >= PyList_GET_SIZE(cur_list)) { |
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1488 empty_cnt++; |
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1489 continue; |
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1490 } |
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1491 |
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1492 /* Choose next candidate for MRO. |
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1493 |
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1494 The input sequences alone can determine the choice. |
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1495 If not, choose the class which appears in the MRO |
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1496 of the earliest direct superclass of the new class. |
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1497 */ |
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1498 |
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1499 candidate = PyList_GET_ITEM(cur_list, remain[i]); |
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1500 for (j = 0; j < to_merge_size; j++) { |
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1501 PyObject *j_lst = PyList_GET_ITEM(to_merge, j); |
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1502 if (tail_contains(j_lst, remain[j], candidate)) { |
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1503 goto skip; /* continue outer loop */ |
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1504 } |
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1505 } |
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1506 ok = PyList_Append(acc, candidate); |
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1507 if (ok < 0) { |
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1508 PyMem_Free(remain); |
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1509 return -1; |
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1510 } |
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1511 for (j = 0; j < to_merge_size; j++) { |
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1512 PyObject *j_lst = PyList_GET_ITEM(to_merge, j); |
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1513 if (remain[j] < PyList_GET_SIZE(j_lst) && |
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1514 PyList_GET_ITEM(j_lst, remain[j]) == candidate) { |
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1515 remain[j]++; |
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1516 } |
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1517 } |
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1518 goto again; |
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1519 skip: ; |
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1520 } |
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1521 |
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1522 if (empty_cnt == to_merge_size) { |
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1523 PyMem_FREE(remain); |
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1524 return 0; |
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1525 } |
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1526 set_mro_error(to_merge, remain); |
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1527 PyMem_FREE(remain); |
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1528 return -1; |
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1529 } |
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1530 |
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18933
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1531 static PyObject * |
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1532 mro_implementation(PyTypeObject *type) |
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1533 { |
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1534 Py_ssize_t i, n; |
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1535 int ok; |
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1536 PyObject *bases, *result; |
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1537 PyObject *to_merge, *bases_aslist; |
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1538 |
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1539 if (type->tp_dict == NULL) { |
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1540 if (PyType_Ready(type) < 0) |
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1541 return NULL; |
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1542 } |
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1543 |
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1544 /* Find a superclass linearization that honors the constraints |
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1545 of the explicit lists of bases and the constraints implied by |
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1546 each base class. |
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1547 |
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1548 to_merge is a list of lists, where each list is a superclass |
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1549 linearization implied by a base class. The last element of |
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1550 to_merge is the declared list of bases. |
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|
1551 */ |
|
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|
1552 |
|
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|
1553 bases = type->tp_bases; |
|
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|
1554 n = PyTuple_GET_SIZE(bases); |
|
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1555 |
|
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|
1556 to_merge = PyList_New(n+1); |
|
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|
1557 if (to_merge == NULL) |
|
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|
1558 return NULL; |
|
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|
1559 |
|
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|
1560 for (i = 0; i < n; i++) { |
|
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|
1561 PyObject *base = PyTuple_GET_ITEM(bases, i); |
|
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|
1562 PyObject *parentMRO; |
|
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|
1563 if (PyType_Check(base)) |
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|
1564 parentMRO = PySequence_List( |
|
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|
1565 ((PyTypeObject*)base)->tp_mro); |
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|
1566 else |
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|
1567 parentMRO = classic_mro(base); |
|
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|
1568 if (parentMRO == NULL) { |
|
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|
1569 Py_DECREF(to_merge); |
|
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|
1570 return NULL; |
|
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1571 } |
|
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1572 |
|
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|
1573 PyList_SET_ITEM(to_merge, i, parentMRO); |
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1574 } |
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1575 |
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1576 bases_aslist = PySequence_List(bases); |
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1577 if (bases_aslist == NULL) { |
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|
1578 Py_DECREF(to_merge); |
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1579 return NULL; |
|
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1580 } |
|
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|
1581 /* This is just a basic sanity check. */ |
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1582 if (check_duplicates(bases_aslist) < 0) { |
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|
1583 Py_DECREF(to_merge); |
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1584 Py_DECREF(bases_aslist); |
|
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|
1585 return NULL; |
|
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1586 } |
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1587 PyList_SET_ITEM(to_merge, n, bases_aslist); |
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1588 |
|
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|
1589 result = Py_BuildValue("[O]", (PyObject *)type); |
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1590 if (result == NULL) { |
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|
1591 Py_DECREF(to_merge); |
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1592 return NULL; |
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1593 } |
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1594 |
|
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1595 ok = pmerge(result, to_merge); |
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1596 Py_DECREF(to_merge); |
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1597 if (ok < 0) { |
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|
1598 Py_DECREF(result); |
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1599 return NULL; |
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1600 } |
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1601 |
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1602 return result; |
|
18933
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1603 } |
|
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1604 |
|
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|
1605 static PyObject * |
|
19301
b9701538f827
Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
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|
1606 mro_external(PyObject *self) |
|
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1607 { |
|
61465
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1608 PyTypeObject *type = (PyTypeObject *)self; |
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1609 |
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1610 return mro_implementation(type); |
|
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1611 } |
|
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1612 |
|
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|
1613 static int |
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1614 mro_internal(PyTypeObject *type) |
|
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1615 { |
|
61465
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1616 PyObject *mro, *result, *tuple; |
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1617 int checkit = 0; |
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1618 |
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1619 if (Py_TYPE(type) == &PyType_Type) { |
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1620 result = mro_implementation(type); |
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1621 } |
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1622 else { |
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1623 static PyObject *mro_str; |
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1624 checkit = 1; |
|
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1625 mro = lookup_method((PyObject *)type, "mro", &mro_str); |
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|
1626 if (mro == NULL) |
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1627 return -1; |
|
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1628 result = PyObject_CallObject(mro, NULL); |
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|
1629 Py_DECREF(mro); |
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1630 } |
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1631 if (result == NULL) |
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1632 return -1; |
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1633 tuple = PySequence_Tuple(result); |
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|
1634 Py_DECREF(result); |
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1635 if (tuple == NULL) |
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1636 return -1; |
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1637 if (checkit) { |
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|
1638 Py_ssize_t i, len; |
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1639 PyObject *cls; |
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1640 PyTypeObject *solid; |
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1641 |
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1642 solid = solid_base(type); |
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1643 |
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1644 len = PyTuple_GET_SIZE(tuple); |
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1645 |
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1646 for (i = 0; i < len; i++) { |
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1647 PyTypeObject *t; |
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1648 cls = PyTuple_GET_ITEM(tuple, i); |
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1649 if (PyClass_Check(cls)) |
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1650 continue; |
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1651 else if (!PyType_Check(cls)) { |
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1652 PyErr_Format(PyExc_TypeError, |
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1653 "mro() returned a non-class ('%.500s')", |
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1654 Py_TYPE(cls)->tp_name); |
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1655 Py_DECREF(tuple); |
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1656 return -1; |
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1657 } |
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1658 t = (PyTypeObject*)cls; |
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1659 if (!PyType_IsSubtype(solid, solid_base(t))) { |
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1660 PyErr_Format(PyExc_TypeError, |
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1661 "mro() returned base with unsuitable layout ('%.500s')", |
|
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|
1662 t->tp_name); |
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|
1663 Py_DECREF(tuple); |
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|
1664 return -1; |
|
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1665 } |
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1666 } |
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1667 } |
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|
1668 type->tp_mro = tuple; |
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1669 |
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1670 type_mro_modified(type, type->tp_mro); |
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1671 /* corner case: the old-style super class might have been hidden |
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1672 from the custom MRO */ |
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1673 type_mro_modified(type, type->tp_bases); |
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1674 |
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1675 PyType_Modified(type); |
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1676 |
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|
1677 return 0; |
|
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1678 } |
|
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1679 |
|
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1680 |
|
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|
1681 /* Calculate the best base amongst multiple base classes. |
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1682 This is the first one that's on the path to the "solid base". */ |
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1683 |
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1684 static PyTypeObject * |
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1685 best_base(PyObject *bases) |
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1686 { |
|
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1687 Py_ssize_t i, n; |
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1688 PyTypeObject *base, *winner, *candidate, *base_i; |
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1689 PyObject *base_proto; |
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1690 |
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1691 assert(PyTuple_Check(bases)); |
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1692 n = PyTuple_GET_SIZE(bases); |
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1693 assert(n > 0); |
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1694 base = NULL; |
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1695 winner = NULL; |
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1696 for (i = 0; i < n; i++) { |
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1697 base_proto = PyTuple_GET_ITEM(bases, i); |
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1698 if (PyClass_Check(base_proto)) |
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1699 continue; |
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1700 if (!PyType_Check(base_proto)) { |
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1701 PyErr_SetString( |
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1702 PyExc_TypeError, |
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1703 "bases must be types"); |
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1704 return NULL; |
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1705 } |
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1706 base_i = (PyTypeObject *)base_proto; |
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1707 if (base_i->tp_dict == NULL) { |
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1708 if (PyType_Ready(base_i) < 0) |
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1709 return NULL; |
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1710 } |
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1711 candidate = solid_base(base_i); |
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1712 if (winner == NULL) { |
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1713 winner = candidate; |
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1714 base = base_i; |
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1715 } |
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1716 else if (PyType_IsSubtype(winner, candidate)) |
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1717 ; |
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1718 else if (PyType_IsSubtype(candidate, winner)) { |
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1719 winner = candidate; |
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1720 base = base_i; |
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1721 } |
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1722 else { |
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1723 PyErr_SetString( |
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1724 PyExc_TypeError, |
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1725 "multiple bases have " |
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1726 "instance lay-out conflict"); |
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1727 return NULL; |
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1728 } |
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1729 } |
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1730 if (base == NULL) |
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1731 PyErr_SetString(PyExc_TypeError, |
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1732 "a new-style class can't have only classic bases"); |
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1733 return base; |
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1734 } |
|
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1735 |
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1736 static int |
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1737 extra_ivars(PyTypeObject *type, PyTypeObject *base) |
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1738 { |
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1739 size_t t_size = type->tp_basicsize; |
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1740 size_t b_size = base->tp_basicsize; |
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1741 |
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1742 assert(t_size >= b_size); /* Else type smaller than base! */ |
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1743 if (type->tp_itemsize || base->tp_itemsize) { |
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1744 /* If itemsize is involved, stricter rules */ |
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1745 return t_size != b_size || |
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1746 type->tp_itemsize != base->tp_itemsize; |
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1747 } |
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1748 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 && |
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1749 type->tp_weaklistoffset + sizeof(PyObject *) == t_size && |
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1750 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1751 t_size -= sizeof(PyObject *); |
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1752 if (type->tp_dictoffset && base->tp_dictoffset == 0 && |
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1753 type->tp_dictoffset + sizeof(PyObject *) == t_size && |
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1754 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1755 t_size -= sizeof(PyObject *); |
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1756 |
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1757 return t_size != b_size; |
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1758 } |
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1759 |
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1760 static PyTypeObject * |
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1761 solid_base(PyTypeObject *type) |
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1762 { |
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1763 PyTypeObject *base; |
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1764 |
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1765 if (type->tp_base) |
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1766 base = solid_base(type->tp_base); |
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1767 else |
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1768 base = &PyBaseObject_Type; |
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1769 if (extra_ivars(type, base)) |
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1770 return type; |
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1771 else |
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1772 return base; |
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1773 } |
|
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1774 |
|
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1775 static void object_dealloc(PyObject *); |
|
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1776 static int object_init(PyObject *, PyObject *, PyObject *); |
|
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1777 static int update_slot(PyTypeObject *, PyObject *); |
|
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|
1778 static void fixup_slot_dispatchers(PyTypeObject *); |
|
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1779 |
| 44753 | 1780 /* |
| 1781 * Helpers for __dict__ descriptor. We don't want to expose the dicts | |
| 1782 * inherited from various builtin types. The builtin base usually provides | |
| 1783 * its own __dict__ descriptor, so we use that when we can. | |
| 1784 */ | |
| 1785 static PyTypeObject * | |
| 1786 get_builtin_base_with_dict(PyTypeObject *type) | |
| 1787 { | |
|
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1788 while (type->tp_base != NULL) { |
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1789 if (type->tp_dictoffset != 0 && |
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1790 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
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1791 return type; |
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1792 type = type->tp_base; |
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1793 } |
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1794 return NULL; |
| 44753 | 1795 } |
| 1796 | |
| 1797 static PyObject * | |
| 1798 get_dict_descriptor(PyTypeObject *type) | |
| 1799 { | |
|
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1800 static PyObject *dict_str; |
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1801 PyObject *descr; |
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1802 |
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1803 if (dict_str == NULL) { |
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1804 dict_str = PyString_InternFromString("__dict__"); |
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1805 if (dict_str == NULL) |
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1806 return NULL; |
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1807 } |
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1808 descr = _PyType_Lookup(type, dict_str); |
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1809 if (descr == NULL || !PyDescr_IsData(descr)) |
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1810 return NULL; |
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1811 |
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1812 return descr; |
| 44753 | 1813 } |
| 1814 | |
| 1815 static void | |
| 1816 raise_dict_descr_error(PyObject *obj) | |
| 1817 { | |
|
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1818 PyErr_Format(PyExc_TypeError, |
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1819 "this __dict__ descriptor does not support " |
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1820 "'%.200s' objects", obj->ob_type->tp_name); |
| 44753 | 1821 } |
| 1822 | |
|
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1823 static PyObject * |
|
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1824 subtype_dict(PyObject *obj, void *context) |
|
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1825 { |
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1826 PyObject **dictptr; |
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1827 PyObject *dict; |
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1828 PyTypeObject *base; |
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1829 |
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1830 base = get_builtin_base_with_dict(obj->ob_type); |
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1831 if (base != NULL) { |
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1832 descrgetfunc func; |
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1833 PyObject *descr = get_dict_descriptor(base); |
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1834 if (descr == NULL) { |
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1835 raise_dict_descr_error(obj); |
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1836 return NULL; |
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1837 } |
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1838 func = descr->ob_type->tp_descr_get; |
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1839 if (func == NULL) { |
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1840 raise_dict_descr_error(obj); |
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1841 return NULL; |
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1842 } |
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1843 return func(descr, obj, (PyObject *)(obj->ob_type)); |
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1844 } |
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1845 |
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1846 dictptr = _PyObject_GetDictPtr(obj); |
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1847 if (dictptr == NULL) { |
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1848 PyErr_SetString(PyExc_AttributeError, |
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1849 "This object has no __dict__"); |
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1850 return NULL; |
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1851 } |
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1852 dict = *dictptr; |
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1853 if (dict == NULL) |
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1854 *dictptr = dict = PyDict_New(); |
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1855 Py_XINCREF(dict); |
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1856 return dict; |
|
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1857 } |
|
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1858 |
|
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1859 static int |
|
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1860 subtype_setdict(PyObject *obj, PyObject *value, void *context) |
|
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1861 { |
|
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1862 PyObject **dictptr; |
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1863 PyObject *dict; |
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1864 PyTypeObject *base; |
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1865 |
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1866 base = get_builtin_base_with_dict(obj->ob_type); |
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1867 if (base != NULL) { |
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1868 descrsetfunc func; |
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1869 PyObject *descr = get_dict_descriptor(base); |
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1870 if (descr == NULL) { |
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1871 raise_dict_descr_error(obj); |
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1872 return -1; |
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1873 } |
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1874 func = descr->ob_type->tp_descr_set; |
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1875 if (func == NULL) { |
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1876 raise_dict_descr_error(obj); |
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1877 return -1; |
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1878 } |
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1879 return func(descr, obj, value); |
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1880 } |
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1881 |
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1882 dictptr = _PyObject_GetDictPtr(obj); |
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1883 if (dictptr == NULL) { |
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1884 PyErr_SetString(PyExc_AttributeError, |
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1885 "This object has no __dict__"); |
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1886 return -1; |
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1887 } |
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1888 if (value != NULL && !PyDict_Check(value)) { |
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1889 PyErr_Format(PyExc_TypeError, |
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1890 "__dict__ must be set to a dictionary, " |
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1891 "not a '%.200s'", Py_TYPE(value)->tp_name); |
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1892 return -1; |
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1893 } |
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1894 dict = *dictptr; |
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1895 Py_XINCREF(value); |
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1896 *dictptr = value; |
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1897 Py_XDECREF(dict); |
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1898 return 0; |
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1899 } |
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1900 |
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1901 static PyObject * |
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1902 subtype_getweakref(PyObject *obj, void *context) |
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1903 { |
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1904 PyObject **weaklistptr; |
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1905 PyObject *result; |
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1906 |
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1907 if (Py_TYPE(obj)->tp_weaklistoffset == 0) { |
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1908 PyErr_SetString(PyExc_AttributeError, |
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1909 "This object has no __weakref__"); |
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1910 return NULL; |
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1911 } |
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1912 assert(Py_TYPE(obj)->tp_weaklistoffset > 0); |
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1913 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <= |
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1914 (size_t)(Py_TYPE(obj)->tp_basicsize)); |
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1915 weaklistptr = (PyObject **) |
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1916 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset); |
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1917 if (*weaklistptr == NULL) |
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1918 result = Py_None; |
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1919 else |
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1920 result = *weaklistptr; |
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1921 Py_INCREF(result); |
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1922 return result; |
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1923 } |
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1924 |
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1925 /* Three variants on the subtype_getsets list. */ |
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1926 |
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1927 static PyGetSetDef subtype_getsets_full[] = { |
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1928 {"__dict__", subtype_dict, subtype_setdict, |
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1929 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1930 {"__weakref__", subtype_getweakref, NULL, |
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1931 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1932 {0} |
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1933 }; |
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1934 |
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1935 static PyGetSetDef subtype_getsets_dict_only[] = { |
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1936 {"__dict__", subtype_dict, subtype_setdict, |
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1937 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1938 {0} |
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1939 }; |
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1940 |
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1941 static PyGetSetDef subtype_getsets_weakref_only[] = { |
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1942 {"__weakref__", subtype_getweakref, NULL, |
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1943 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1944 {0} |
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1945 }; |
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1946 |
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1947 static int |
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1948 valid_identifier(PyObject *s) |
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1949 { |
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1950 unsigned char *p; |
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1951 Py_ssize_t i, n; |
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1952 |
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1953 if (!PyString_Check(s)) { |
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1954 PyErr_Format(PyExc_TypeError, |
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1955 "__slots__ items must be strings, not '%.200s'", |
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1956 Py_TYPE(s)->tp_name); |
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1957 return 0; |
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1958 } |
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1959 p = (unsigned char *) PyString_AS_STRING(s); |
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1960 n = PyString_GET_SIZE(s); |
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1961 /* We must reject an empty name. As a hack, we bump the |
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1962 length to 1 so that the loop will balk on the trailing \0. */ |
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1963 if (n == 0) |
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1964 n = 1; |
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1965 for (i = 0; i < n; i++, p++) { |
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1966 if (!(i == 0 ? isalpha(*p) : isalnum(*p)) && *p != '_') { |
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1967 PyErr_SetString(PyExc_TypeError, |
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1968 "__slots__ must be identifiers"); |
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1969 return 0; |
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1970 } |
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1971 } |
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1972 return 1; |
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1973 } |
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1974 |
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1975 #ifdef Py_USING_UNICODE |
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1976 /* Replace Unicode objects in slots. */ |
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1977 |
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1978 static PyObject * |
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1979 _unicode_to_string(PyObject *slots, Py_ssize_t nslots) |
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1980 { |
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1981 PyObject *tmp = NULL; |
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1982 PyObject *slot_name, *new_name; |
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1983 Py_ssize_t i; |
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1984 |
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1985 for (i = 0; i < nslots; i++) { |
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1986 if (PyUnicode_Check(slot_name = PyTuple_GET_ITEM(slots, i))) { |
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1987 if (tmp == NULL) { |
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1988 tmp = PySequence_List(slots); |
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1989 if (tmp == NULL) |
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1990 return NULL; |
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1991 } |
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1992 new_name = _PyUnicode_AsDefaultEncodedString(slot_name, |
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1993 NULL); |
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1994 if (new_name == NULL) { |
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1995 Py_DECREF(tmp); |
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1996 return NULL; |
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1997 } |
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1998 Py_INCREF(new_name); |
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1999 PyList_SET_ITEM(tmp, i, new_name); |
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2000 Py_DECREF(slot_name); |
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2001 } |
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2002 } |
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2003 if (tmp != NULL) { |
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2004 slots = PyList_AsTuple(tmp); |
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2005 Py_DECREF(tmp); |
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2006 } |
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2007 return slots; |
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2008 } |
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2009 #endif |
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2010 |
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2011 /* Forward */ |
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2012 static int |
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2013 object_init(PyObject *self, PyObject *args, PyObject *kwds); |
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2014 |
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2015 static int |
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2016 type_init(PyObject *cls, PyObject *args, PyObject *kwds) |
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2017 { |
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2018 int res; |
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2019 |
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2020 assert(args != NULL && PyTuple_Check(args)); |
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2021 assert(kwds == NULL || PyDict_Check(kwds)); |
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2022 |
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2023 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) { |
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2024 PyErr_SetString(PyExc_TypeError, |
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2025 "type.__init__() takes no keyword arguments"); |
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2026 return -1; |
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2027 } |
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2028 |
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2029 if (args != NULL && PyTuple_Check(args) && |
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2030 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) { |
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2031 PyErr_SetString(PyExc_TypeError, |
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2032 "type.__init__() takes 1 or 3 arguments"); |
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2033 return -1; |
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2034 } |
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2035 |
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2036 /* Call object.__init__(self) now. */ |
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2037 /* XXX Could call super(type, cls).__init__() but what's the point? */ |
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2038 args = PyTuple_GetSlice(args, 0, 0); |
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2039 res = object_init(cls, args, NULL); |
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2040 Py_DECREF(args); |
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2041 return res; |
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2042 } |
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2043 |
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2044 static PyObject * |
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2045 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds) |
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2046 { |
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2047 PyObject *name, *bases, *dict; |
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2048 static char *kwlist[] = {"name", "bases", "dict", 0}; |
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2049 PyObject *slots, *tmp, *newslots; |
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2050 PyTypeObject *type, *base, *tmptype, *winner; |
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2051 PyHeapTypeObject *et; |
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2052 PyMemberDef *mp; |
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2053 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak; |
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2054 int j, may_add_dict, may_add_weak; |
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2055 |
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2056 assert(args != NULL && PyTuple_Check(args)); |
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2057 assert(kwds == NULL || PyDict_Check(kwds)); |
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2058 |
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2059 /* Special case: type(x) should return x->ob_type */ |
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2060 { |
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2061 const Py_ssize_t nargs = PyTuple_GET_SIZE(args); |
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2062 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds); |
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2063 |
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2064 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) { |
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2065 PyObject *x = PyTuple_GET_ITEM(args, 0); |
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2066 Py_INCREF(Py_TYPE(x)); |
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2067 return (PyObject *) Py_TYPE(x); |
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2068 } |
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2069 |
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2070 /* SF bug 475327 -- if that didn't trigger, we need 3 |
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2071 arguments. but PyArg_ParseTupleAndKeywords below may give |
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2072 a msg saying type() needs exactly 3. */ |
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2073 if (nargs + nkwds != 3) { |
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2074 PyErr_SetString(PyExc_TypeError, |
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2075 "type() takes 1 or 3 arguments"); |
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2076 return NULL; |
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2077 } |
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2078 } |
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2079 |
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2080 /* Check arguments: (name, bases, dict) */ |
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2081 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SO!O!:type", kwlist, |
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2082 &name, |
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2083 &PyTuple_Type, &bases, |
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2084 &PyDict_Type, &dict)) |
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2085 return NULL; |
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2086 |
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2087 /* Determine the proper metatype to deal with this, |
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2088 and check for metatype conflicts while we're at it. |
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2089 Note that if some other metatype wins to contract, |
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2090 it's possible that its instances are not types. */ |
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2091 nbases = PyTuple_GET_SIZE(bases); |
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2092 winner = metatype; |
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2093 for (i = 0; i < nbases; i++) { |
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2094 tmp = PyTuple_GET_ITEM(bases, i); |
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2095 tmptype = tmp->ob_type; |
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2096 if (tmptype == &PyClass_Type) |
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2097 continue; /* Special case classic classes */ |
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2098 if (PyType_IsSubtype(winner, tmptype)) |
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2099 continue; |
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2100 if (PyType_IsSubtype(tmptype, winner)) { |
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2101 winner = tmptype; |
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2102 continue; |
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2103 } |
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2104 PyErr_SetString(PyExc_TypeError, |
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2105 "metaclass conflict: " |
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2106 "the metaclass of a derived class " |
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2107 "must be a (non-strict) subclass " |
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2108 "of the metaclasses of all its bases"); |
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2109 return NULL; |
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2110 } |
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2111 if (winner != metatype) { |
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2112 if (winner->tp_new != type_new) /* Pass it to the winner */ |
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2113 return winner->tp_new(winner, args, kwds); |
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2114 metatype = winner; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2115 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2116 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2117 /* Adjust for empty tuple bases */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2118 if (nbases == 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2119 bases = PyTuple_Pack(1, &PyBaseObject_Type); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2120 if (bases == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
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|
2121 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2122 nbases = 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2123 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2124 else |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2125 Py_INCREF(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2126 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2127 /* XXX From here until type is allocated, "return NULL" leaks bases! */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2128 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2129 /* Calculate best base, and check that all bases are type objects */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2130 base = best_base(bases); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2131 if (base == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2132 Py_DECREF(bases); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2133 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2134 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2135 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2136 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2137 "type '%.100s' is not an acceptable base type", |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2138 base->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2139 Py_DECREF(bases); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2140 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2141 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2142 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2143 /* Check for a __slots__ sequence variable in dict, and count it */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2144 slots = PyDict_GetItemString(dict, "__slots__"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2145 nslots = 0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2146 add_dict = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2147 add_weak = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2148 may_add_dict = base->tp_dictoffset == 0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2149 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2150 if (slots == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2151 if (may_add_dict) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2152 add_dict++; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2153 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2154 if (may_add_weak) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2155 add_weak++; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2156 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2157 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2158 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2159 /* Have slots */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2160 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2161 /* Make it into a tuple */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2162 if (PyString_Check(slots) || PyUnicode_Check(slots)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2163 slots = PyTuple_Pack(1, slots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2164 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2165 slots = PySequence_Tuple(slots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2166 if (slots == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2167 Py_DECREF(bases); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2168 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2169 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2170 assert(PyTuple_Check(slots)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2171 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2172 /* Are slots allowed? */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2173 nslots = PyTuple_GET_SIZE(slots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2174 if (nslots > 0 && base->tp_itemsize != 0) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2175 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2176 "nonempty __slots__ " |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2177 "not supported for subtype of '%s'", |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2178 base->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2179 bad_slots: |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2180 Py_DECREF(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2181 Py_DECREF(slots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2182 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2183 } |
|
24761
e0431d9c4474
Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents:
24728
diff
changeset
|
2184 |
|
25792
a3d612f0563f
Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents:
24867
diff
changeset
|
2185 #ifdef Py_USING_UNICODE |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2186 tmp = _unicode_to_string(slots, nslots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2187 if (tmp == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2188 goto bad_slots; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2189 if (tmp != slots) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2190 Py_DECREF(slots); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2191 slots = tmp; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2192 } |
|
25792
a3d612f0563f
Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents:
24867
diff
changeset
|
2193 #endif |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2194 /* Check for valid slot names and two special cases */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2195 for (i = 0; i < nslots; i++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2196 PyObject *tmp = PyTuple_GET_ITEM(slots, i); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2197 char *s; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2198 if (!valid_identifier(tmp)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2199 goto bad_slots; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2200 assert(PyString_Check(tmp)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2201 s = PyString_AS_STRING(tmp); |
|
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changeset
|
2202 if (strcmp(s, "__dict__") == 0) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2203 if (!may_add_dict || add_dict) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2204 PyErr_SetString(PyExc_TypeError, |
|
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changeset
|
2205 "__dict__ slot disallowed: " |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2206 "we already got one"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2207 goto bad_slots; |
|
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|
2208 } |
|
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|
2209 add_dict++; |
|
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|
2210 } |
|
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changeset
|
2211 if (strcmp(s, "__weakref__") == 0) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2212 if (!may_add_weak || add_weak) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2213 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2214 "__weakref__ slot disallowed: " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2215 "either we already got one, " |
|
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changeset
|
2216 "or __itemsize__ != 0"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2217 goto bad_slots; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2218 } |
|
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|
2219 add_weak++; |
|
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|
2220 } |
|
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|
2221 } |
|
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|
2222 |
|
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2223 /* Copy slots into a list, mangle names and sort them. |
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2224 Sorted names are needed for __class__ assignment. |
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2225 Convert them back to tuple at the end. |
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2226 */ |
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2227 newslots = PyList_New(nslots - add_dict - add_weak); |
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2228 if (newslots == NULL) |
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2229 goto bad_slots; |
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2230 for (i = j = 0; i < nslots; i++) { |
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2231 char *s; |
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2232 tmp = PyTuple_GET_ITEM(slots, i); |
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2233 s = PyString_AS_STRING(tmp); |
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2234 if ((add_dict && strcmp(s, "__dict__") == 0) || |
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2235 (add_weak && strcmp(s, "__weakref__") == 0)) |
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2236 continue; |
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2237 tmp =_Py_Mangle(name, tmp); |
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2238 if (!tmp) |
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2239 goto bad_slots; |
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2240 PyList_SET_ITEM(newslots, j, tmp); |
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2241 j++; |
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2242 } |
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2243 assert(j == nslots - add_dict - add_weak); |
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2244 nslots = j; |
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2245 Py_DECREF(slots); |
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2246 if (PyList_Sort(newslots) == -1) { |
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2247 Py_DECREF(bases); |
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2248 Py_DECREF(newslots); |
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2249 return NULL; |
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2250 } |
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2251 slots = PyList_AsTuple(newslots); |
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2252 Py_DECREF(newslots); |
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2253 if (slots == NULL) { |
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2254 Py_DECREF(bases); |
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2255 return NULL; |
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2256 } |
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2257 |
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2258 /* Secondary bases may provide weakrefs or dict */ |
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2259 if (nbases > 1 && |
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2260 ((may_add_dict && !add_dict) || |
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2261 (may_add_weak && !add_weak))) { |
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2262 for (i = 0; i < nbases; i++) { |
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2263 tmp = PyTuple_GET_ITEM(bases, i); |
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2264 if (tmp == (PyObject *)base) |
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2265 continue; /* Skip primary base */ |
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2266 if (PyClass_Check(tmp)) { |
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2267 /* Classic base class provides both */ |
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2268 if (may_add_dict && !add_dict) |
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2269 add_dict++; |
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2270 if (may_add_weak && !add_weak) |
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2271 add_weak++; |
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2272 break; |
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2273 } |
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2274 assert(PyType_Check(tmp)); |
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2275 tmptype = (PyTypeObject *)tmp; |
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2276 if (may_add_dict && !add_dict && |
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2277 tmptype->tp_dictoffset != 0) |
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2278 add_dict++; |
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2279 if (may_add_weak && !add_weak && |
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2280 tmptype->tp_weaklistoffset != 0) |
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2281 add_weak++; |
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2282 if (may_add_dict && !add_dict) |
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2283 continue; |
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2284 if (may_add_weak && !add_weak) |
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2285 continue; |
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2286 /* Nothing more to check */ |
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2287 break; |
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2288 } |
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2289 } |
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2290 } |
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2291 |
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2292 /* XXX From here until type is safely allocated, |
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2293 "return NULL" may leak slots! */ |
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2294 |
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2295 /* Allocate the type object */ |
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2296 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots); |
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2297 if (type == NULL) { |
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2298 Py_XDECREF(slots); |
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2299 Py_DECREF(bases); |
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2300 return NULL; |
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2301 } |
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2302 |
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2303 /* Keep name and slots alive in the extended type object */ |
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2304 et = (PyHeapTypeObject *)type; |
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2305 Py_INCREF(name); |
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2306 et->ht_name = name; |
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2307 et->ht_slots = slots; |
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2308 |
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2309 /* Initialize tp_flags */ |
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2310 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE | |
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2311 Py_TPFLAGS_BASETYPE; |
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2312 if (base->tp_flags & Py_TPFLAGS_HAVE_GC) |
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2313 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
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2314 if (base->tp_flags & Py_TPFLAGS_HAVE_NEWBUFFER) |
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2315 type->tp_flags |= Py_TPFLAGS_HAVE_NEWBUFFER; |
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61465
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2316 |
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2317 /* It's a new-style number unless it specifically inherits any |
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2318 old-style numeric behavior */ |
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2319 if ((base->tp_flags & Py_TPFLAGS_CHECKTYPES) || |
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2320 (base->tp_as_number == NULL)) |
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2321 type->tp_flags |= Py_TPFLAGS_CHECKTYPES; |
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2322 |
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2323 /* Initialize essential fields */ |
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2324 type->tp_as_number = &et->as_number; |
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2325 type->tp_as_sequence = &et->as_sequence; |
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2326 type->tp_as_mapping = &et->as_mapping; |
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2327 type->tp_as_buffer = &et->as_buffer; |
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2328 type->tp_name = PyString_AS_STRING(name); |
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2329 |
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2330 /* Set tp_base and tp_bases */ |
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2331 type->tp_bases = bases; |
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2332 Py_INCREF(base); |
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2333 type->tp_base = base; |
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2334 |
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2335 /* Initialize tp_dict from passed-in dict */ |
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2336 type->tp_dict = dict = PyDict_Copy(dict); |
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2337 if (dict == NULL) { |
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2338 Py_DECREF(type); |
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2339 return NULL; |
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2340 } |
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2341 |
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2342 /* Set __module__ in the dict */ |
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2343 if (PyDict_GetItemString(dict, "__module__") == NULL) { |
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2344 tmp = PyEval_GetGlobals(); |
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2345 if (tmp != NULL) { |
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2346 tmp = PyDict_GetItemString(tmp, "__name__"); |
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2347 if (tmp != NULL) { |
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2348 if (PyDict_SetItemString(dict, "__module__", |
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2349 tmp) < 0) |
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2350 return NULL; |
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2351 } |
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2352 } |
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2353 } |
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2354 |
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2355 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there |
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2356 and is a string. The __doc__ accessor will first look for tp_doc; |
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2357 if that fails, it will still look into __dict__. |
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2358 */ |
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2359 { |
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2360 PyObject *doc = PyDict_GetItemString(dict, "__doc__"); |
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2361 if (doc != NULL && PyString_Check(doc)) { |
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2362 const size_t n = (size_t)PyString_GET_SIZE(doc); |
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2363 char *tp_doc = (char *)PyObject_MALLOC(n+1); |
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2364 if (tp_doc == NULL) { |
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2365 Py_DECREF(type); |
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2366 return NULL; |
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2367 } |
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2368 memcpy(tp_doc, PyString_AS_STRING(doc), n+1); |
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2369 type->tp_doc = tp_doc; |
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2370 } |
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2371 } |
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2372 |
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2373 /* Special-case __new__: if it's a plain function, |
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2374 make it a static function */ |
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2375 tmp = PyDict_GetItemString(dict, "__new__"); |
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2376 if (tmp != NULL && PyFunction_Check(tmp)) { |
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2377 tmp = PyStaticMethod_New(tmp); |
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2378 if (tmp == NULL) { |
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2379 Py_DECREF(type); |
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2380 return NULL; |
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2381 } |
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2382 PyDict_SetItemString(dict, "__new__", tmp); |
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2383 Py_DECREF(tmp); |
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2384 } |
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2385 |
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2386 /* Add descriptors for custom slots from __slots__, or for __dict__ */ |
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2387 mp = PyHeapType_GET_MEMBERS(et); |
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2388 slotoffset = base->tp_basicsize; |
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2389 if (slots != NULL) { |
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2390 for (i = 0; i < nslots; i++, mp++) { |
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2391 mp->name = PyString_AS_STRING( |
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2392 PyTuple_GET_ITEM(slots, i)); |
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2393 mp->type = T_OBJECT_EX; |
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2394 mp->offset = slotoffset; |
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2395 |
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2396 /* __dict__ and __weakref__ are already filtered out */ |
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2397 assert(strcmp(mp->name, "__dict__") != 0); |
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2398 assert(strcmp(mp->name, "__weakref__") != 0); |
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2399 |
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2400 slotoffset += sizeof(PyObject *); |
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2401 } |
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2402 } |
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2403 if (add_dict) { |
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2404 if (base->tp_itemsize) |
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2405 type->tp_dictoffset = -(long)sizeof(PyObject *); |
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2406 else |
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2407 type->tp_dictoffset = slotoffset; |
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2408 slotoffset += sizeof(PyObject *); |
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2409 } |
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2410 if (add_weak) { |
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2411 assert(!base->tp_itemsize); |
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2412 type->tp_weaklistoffset = slotoffset; |
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2413 slotoffset += sizeof(PyObject *); |
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2414 } |
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2415 type->tp_basicsize = slotoffset; |
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2416 type->tp_itemsize = base->tp_itemsize; |
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2417 type->tp_members = PyHeapType_GET_MEMBERS(et); |
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2418 |
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2419 if (type->tp_weaklistoffset && type->tp_dictoffset) |
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2420 type->tp_getset = subtype_getsets_full; |
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2421 else if (type->tp_weaklistoffset && !type->tp_dictoffset) |
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2422 type->tp_getset = subtype_getsets_weakref_only; |
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2423 else if (!type->tp_weaklistoffset && type->tp_dictoffset) |
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2424 type->tp_getset = subtype_getsets_dict_only; |
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2425 else |
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2426 type->tp_getset = NULL; |
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2427 |
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2428 /* Special case some slots */ |
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2429 if (type->tp_dictoffset != 0 || nslots > 0) { |
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2430 if (base->tp_getattr == NULL && base->tp_getattro == NULL) |
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2431 type->tp_getattro = PyObject_GenericGetAttr; |
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2432 if (base->tp_setattr == NULL && base->tp_setattro == NULL) |
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2433 type->tp_setattro = PyObject_GenericSetAttr; |
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2434 } |
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2435 type->tp_dealloc = subtype_dealloc; |
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2436 |
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2437 /* Enable GC unless there are really no instance variables possible */ |
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2438 if (!(type->tp_basicsize == sizeof(PyObject) && |
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2439 type->tp_itemsize == 0)) |
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2440 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
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2441 |
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2442 /* Always override allocation strategy to use regular heap */ |
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2443 type->tp_alloc = PyType_GenericAlloc; |
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2444 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) { |
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2445 type->tp_free = PyObject_GC_Del; |
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2446 type->tp_traverse = subtype_traverse; |
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2447 type->tp_clear = subtype_clear; |
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2448 } |
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2449 else |
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2450 type->tp_free = PyObject_Del; |
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2451 |
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2452 /* Initialize the rest */ |
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2453 if (PyType_Ready(type) < 0) { |
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2454 Py_DECREF(type); |
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2455 return NULL; |
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2456 } |
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2457 |
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2458 /* Put the proper slots in place */ |
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2459 fixup_slot_dispatchers(type); |
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2460 |
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2461 return (PyObject *)type; |
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2462 } |
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2463 |
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2464 /* Internal API to look for a name through the MRO. |
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2465 This returns a borrowed reference, and doesn't set an exception! */ |
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2466 PyObject * |
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2467 _PyType_Lookup(PyTypeObject *type, PyObject *name) |
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2468 { |
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61465
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2469 Py_ssize_t i, n; |
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2470 PyObject *mro, *res, *base, *dict; |
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2471 unsigned int h; |
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2472 |
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2473 if (MCACHE_CACHEABLE_NAME(name) && |
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2474 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) { |
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2475 /* fast path */ |
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2476 h = MCACHE_HASH_METHOD(type, name); |
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2477 if (method_cache[h].version == type->tp_version_tag && |
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2478 method_cache[h].name == name) |
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2479 return method_cache[h].value; |
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2480 } |
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2481 |
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2482 /* Look in tp_dict of types in MRO */ |
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2483 mro = type->tp_mro; |
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2484 |
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2485 /* If mro is NULL, the type is either not yet initialized |
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2486 by PyType_Ready(), or already cleared by type_clear(). |
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2487 Either way the safest thing to do is to return NULL. */ |
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2488 if (mro == NULL) |
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2489 return NULL; |
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2490 |
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2491 res = NULL; |
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2492 assert(PyTuple_Check(mro)); |
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2493 n = PyTuple_GET_SIZE(mro); |
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2494 for (i = 0; i < n; i++) { |
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2495 base = PyTuple_GET_ITEM(mro, i); |
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2496 if (PyClass_Check(base)) |
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2497 dict = ((PyClassObject *)base)->cl_dict; |
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2498 else { |
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2499 assert(PyType_Check(base)); |
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2500 dict = ((PyTypeObject *)base)->tp_dict; |
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2501 } |
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2502 assert(dict && PyDict_Check(dict)); |
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2503 res = PyDict_GetItem(dict, name); |
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2504 if (res != NULL) |
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2505 break; |
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2506 } |
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2507 |
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2508 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) { |
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2509 h = MCACHE_HASH_METHOD(type, name); |
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2510 method_cache[h].version = type->tp_version_tag; |
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2511 method_cache[h].value = res; /* borrowed */ |
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2512 Py_INCREF(name); |
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2513 Py_DECREF(method_cache[h].name); |
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2514 method_cache[h].name = name; |
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2515 } |
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2516 return res; |
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2517 } |
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2518 |
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2519 /* This is similar to PyObject_GenericGetAttr(), |
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2520 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */ |
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2521 static PyObject * |
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2522 type_getattro(PyTypeObject *type, PyObject *name) |
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2523 { |
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2524 PyTypeObject *metatype = Py_TYPE(type); |
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2525 PyObject *meta_attribute, *attribute; |
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2526 descrgetfunc meta_get; |
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2527 |
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2528 /* Initialize this type (we'll assume the metatype is initialized) */ |
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2529 if (type->tp_dict == NULL) { |
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2530 if (PyType_Ready(type) < 0) |
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2531 return NULL; |
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2532 } |
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2533 |
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2534 /* No readable descriptor found yet */ |
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2535 meta_get = NULL; |
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2536 |
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2537 /* Look for the attribute in the metatype */ |
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2538 meta_attribute = _PyType_Lookup(metatype, name); |
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2539 |
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2540 if (meta_attribute != NULL) { |
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2541 meta_get = Py_TYPE(meta_attribute)->tp_descr_get; |
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2542 |
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2543 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) { |
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2544 /* Data descriptors implement tp_descr_set to intercept |
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2545 * writes. Assume the attribute is not overridden in |
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2546 * type's tp_dict (and bases): call the descriptor now. |
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|
2547 */ |
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2548 return meta_get(meta_attribute, (PyObject *)type, |
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|
2549 (PyObject *)metatype); |
|
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|
2550 } |
|
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|
2551 Py_INCREF(meta_attribute); |
|
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2552 } |
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2553 |
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|
2554 /* No data descriptor found on metatype. Look in tp_dict of this |
|
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|
2555 * type and its bases */ |
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|
2556 attribute = _PyType_Lookup(type, name); |
|
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|
2557 if (attribute != NULL) { |
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|
2558 /* Implement descriptor functionality, if any */ |
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|
2559 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get; |
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|
2560 |
|
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|
2561 Py_XDECREF(meta_attribute); |
|
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2562 |
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|
2563 if (local_get != NULL) { |
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|
2564 /* NULL 2nd argument indicates the descriptor was |
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|
2565 * found on the target object itself (or a base) */ |
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2566 return local_get(attribute, (PyObject *)NULL, |
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2567 (PyObject *)type); |
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2568 } |
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2569 |
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2570 Py_INCREF(attribute); |
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2571 return attribute; |
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2572 } |
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2573 |
|
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2574 /* No attribute found in local __dict__ (or bases): use the |
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2575 * descriptor from the metatype, if any */ |
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2576 if (meta_get != NULL) { |
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|
2577 PyObject *res; |
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2578 res = meta_get(meta_attribute, (PyObject *)type, |
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|
2579 (PyObject *)metatype); |
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2580 Py_DECREF(meta_attribute); |
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2581 return res; |
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2582 } |
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2583 |
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2584 /* If an ordinary attribute was found on the metatype, return it now */ |
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2585 if (meta_attribute != NULL) { |
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2586 return meta_attribute; |
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2587 } |
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2588 |
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|
2589 /* Give up */ |
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2590 PyErr_Format(PyExc_AttributeError, |
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2591 "type object '%.50s' has no attribute '%.400s'", |
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2592 type->tp_name, PyString_AS_STRING(name)); |
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2593 return NULL; |
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2594 } |
|
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2595 |
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2596 static int |
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2597 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value) |
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2598 { |
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61465
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2599 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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2600 PyErr_Format( |
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2601 PyExc_TypeError, |
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2602 "can't set attributes of built-in/extension type '%s'", |
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2603 type->tp_name); |
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2604 return -1; |
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2605 } |
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2606 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0) |
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2607 return -1; |
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2608 return update_slot(type, name); |
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2609 } |
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2610 |
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2611 static void |
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2612 type_dealloc(PyTypeObject *type) |
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2613 { |
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2614 PyHeapTypeObject *et; |
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2615 |
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2616 /* Assert this is a heap-allocated type object */ |
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2617 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2618 _PyObject_GC_UNTRACK(type); |
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2619 PyObject_ClearWeakRefs((PyObject *)type); |
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2620 et = (PyHeapTypeObject *)type; |
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2621 Py_XDECREF(type->tp_base); |
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2622 Py_XDECREF(type->tp_dict); |
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2623 Py_XDECREF(type->tp_bases); |
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2624 Py_XDECREF(type->tp_mro); |
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2625 Py_XDECREF(type->tp_cache); |
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2626 Py_XDECREF(type->tp_subclasses); |
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2627 /* A type's tp_doc is heap allocated, unlike the tp_doc slots |
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2628 * of most other objects. It's okay to cast it to char *. |
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2629 */ |
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2630 PyObject_Free((char *)type->tp_doc); |
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2631 Py_XDECREF(et->ht_name); |
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2632 Py_XDECREF(et->ht_slots); |
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2633 Py_TYPE(type)->tp_free((PyObject *)type); |
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2634 } |
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2635 |
|
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2636 static PyObject * |
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2637 type_subclasses(PyTypeObject *type, PyObject *args_ignored) |
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2638 { |
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2639 PyObject *list, *raw, *ref; |
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2640 Py_ssize_t i, n; |
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2641 |
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2642 list = PyList_New(0); |
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2643 if (list == NULL) |
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2644 return NULL; |
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2645 raw = type->tp_subclasses; |
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2646 if (raw == NULL) |
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2647 return list; |
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2648 assert(PyList_Check(raw)); |
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2649 n = PyList_GET_SIZE(raw); |
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2650 for (i = 0; i < n; i++) { |
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2651 ref = PyList_GET_ITEM(raw, i); |
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2652 assert(PyWeakref_CheckRef(ref)); |
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2653 ref = PyWeakref_GET_OBJECT(ref); |
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2654 if (ref != Py_None) { |
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2655 if (PyList_Append(list, ref) < 0) { |
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2656 Py_DECREF(list); |
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2657 return NULL; |
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2658 } |
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2659 } |
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2660 } |
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2661 return list; |
|
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2662 } |
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2663 |
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2664 static PyMethodDef type_methods[] = { |
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2665 {"mro", (PyCFunction)mro_external, METH_NOARGS, |
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2666 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")}, |
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2667 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS, |
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2668 PyDoc_STR("__subclasses__() -> list of immediate subclasses")}, |
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2669 {"__instancecheck__", type___instancecheck__, METH_O, |
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2670 PyDoc_STR("__instancecheck__() -> bool\ncheck if an object is an instance")}, |
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2671 {"__subclasscheck__", type___subclasscheck__, METH_O, |
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2672 PyDoc_STR("__subclasscheck__() -> bool\ncheck if a class is a subclass")}, |
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2673 {0} |
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2674 }; |
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2675 |
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23832
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2676 PyDoc_STRVAR(type_doc, |
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2677 "type(object) -> the object's type\n" |
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2678 "type(name, bases, dict) -> a new type"); |
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2679 |
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2680 static int |
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2681 type_traverse(PyTypeObject *type, visitproc visit, void *arg) |
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2682 { |
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2683 /* Because of type_is_gc(), the collector only calls this |
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2684 for heaptypes. */ |
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2685 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2686 |
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2687 Py_VISIT(type->tp_dict); |
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2688 Py_VISIT(type->tp_cache); |
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2689 Py_VISIT(type->tp_mro); |
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2690 Py_VISIT(type->tp_bases); |
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2691 Py_VISIT(type->tp_base); |
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2692 |
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2693 /* There's no need to visit type->tp_subclasses or |
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2694 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved |
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2695 in cycles; tp_subclasses is a list of weak references, |
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2696 and slots is a tuple of strings. */ |
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2697 |
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2698 return 0; |
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2699 } |
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2700 |
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2701 static int |
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2702 type_clear(PyTypeObject *type) |
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2703 { |
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2704 /* Because of type_is_gc(), the collector only calls this |
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2705 for heaptypes. */ |
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2706 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2707 |
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2708 /* The only field we need to clear is tp_mro, which is part of a |
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2709 hard cycle (its first element is the class itself) that won't |
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2710 be broken otherwise (it's a tuple and tuples don't have a |
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2711 tp_clear handler). None of the other fields need to be |
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2712 cleared, and here's why: |
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2713 |
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2714 tp_dict: |
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2715 It is a dict, so the collector will call its tp_clear. |
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2716 |
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2717 tp_cache: |
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2718 Not used; if it were, it would be a dict. |
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2719 |
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2720 tp_bases, tp_base: |
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2721 If these are involved in a cycle, there must be at least |
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2722 one other, mutable object in the cycle, e.g. a base |
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2723 class's dict; the cycle will be broken that way. |
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2724 |
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2725 tp_subclasses: |
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2726 A list of weak references can't be part of a cycle; and |
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2727 lists have their own tp_clear. |
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2728 |
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2729 slots (in PyHeapTypeObject): |
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2730 A tuple of strings can't be part of a cycle. |
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2731 */ |
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2732 |
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2733 Py_CLEAR(type->tp_mro); |
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2734 |
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2735 return 0; |
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2736 } |
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2737 |
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2738 static int |
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2739 type_is_gc(PyTypeObject *type) |
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2740 { |
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2741 return type->tp_flags & Py_TPFLAGS_HEAPTYPE; |
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2742 } |
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2743 |
|
5396
d1447950fa04
Quickly renamed the last directory.
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2744 PyTypeObject PyType_Type = { |
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2745 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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2746 "type", /* tp_name */ |
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2747 sizeof(PyHeapTypeObject), /* tp_basicsize */ |
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2748 sizeof(PyMemberDef), /* tp_itemsize */ |
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2749 (destructor)type_dealloc, /* tp_dealloc */ |
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2750 0, /* tp_print */ |
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2751 0, /* tp_getattr */ |
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2752 0, /* tp_setattr */ |
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2753 0, /* tp_compare */ |
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2754 (reprfunc)type_repr, /* tp_repr */ |
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2755 0, /* tp_as_number */ |
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2756 0, /* tp_as_sequence */ |
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2757 0, /* tp_as_mapping */ |
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2758 (hashfunc)_Py_HashPointer, /* tp_hash */ |
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2759 (ternaryfunc)type_call, /* tp_call */ |
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2760 0, /* tp_str */ |
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2761 (getattrofunc)type_getattro, /* tp_getattro */ |
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2762 (setattrofunc)type_setattro, /* tp_setattro */ |
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2763 0, /* tp_as_buffer */ |
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2764 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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2765 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */ |
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2766 type_doc, /* tp_doc */ |
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2767 (traverseproc)type_traverse, /* tp_traverse */ |
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2768 (inquiry)type_clear, /* tp_clear */ |
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2769 type_richcompare, /* tp_richcompare */ |
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2770 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */ |
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2771 0, /* tp_iter */ |
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2772 0, /* tp_iternext */ |
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2773 type_methods, /* tp_methods */ |
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2774 type_members, /* tp_members */ |
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2775 type_getsets, /* tp_getset */ |
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2776 0, /* tp_base */ |
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2777 0, /* tp_dict */ |
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2778 0, /* tp_descr_get */ |
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2779 0, /* tp_descr_set */ |
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2780 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */ |
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2781 type_init, /* tp_init */ |
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2782 0, /* tp_alloc */ |
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2783 type_new, /* tp_new */ |
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2784 PyObject_GC_Del, /* tp_free */ |
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2785 (inquiry)type_is_gc, /* tp_is_gc */ |
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2786 }; |
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2787 |
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2788 |
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2789 /* The base type of all types (eventually)... except itself. */ |
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2790 |
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2791 /* You may wonder why object.__new__() only complains about arguments |
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2792 when object.__init__() is not overridden, and vice versa. |
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2793 |
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2794 Consider the use cases: |
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2795 |
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2796 1. When neither is overridden, we want to hear complaints about |
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2797 excess (i.e., any) arguments, since their presence could |
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2798 indicate there's a bug. |
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2799 |
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2800 2. When defining an Immutable type, we are likely to override only |
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2801 __new__(), since __init__() is called too late to initialize an |
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2802 Immutable object. Since __new__() defines the signature for the |
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2803 type, it would be a pain to have to override __init__() just to |
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2804 stop it from complaining about excess arguments. |
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2805 |
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2806 3. When defining a Mutable type, we are likely to override only |
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2807 __init__(). So here the converse reasoning applies: we don't |
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2808 want to have to override __new__() just to stop it from |
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2809 complaining. |
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2810 |
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2811 4. When __init__() is overridden, and the subclass __init__() calls |
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2812 object.__init__(), the latter should complain about excess |
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2813 arguments; ditto for __new__(). |
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2814 |
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2815 Use cases 2 and 3 make it unattractive to unconditionally check for |
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2816 excess arguments. The best solution that addresses all four use |
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2817 cases is as follows: __init__() complains about excess arguments |
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2818 unless __new__() is overridden and __init__() is not overridden |
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2819 (IOW, if __init__() is overridden or __new__() is not overridden); |
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2820 symmetrically, __new__() complains about excess arguments unless |
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2821 __init__() is overridden and __new__() is not overridden |
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2822 (IOW, if __new__() is overridden or __init__() is not overridden). |
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2823 |
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2824 However, for backwards compatibility, this breaks too much code. |
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2825 Therefore, in 2.6, we'll *warn* about excess arguments when both |
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2826 methods are overridden; for all other cases we'll use the above |
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2827 rules. |
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2828 |
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2829 */ |
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2830 |
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2831 /* Forward */ |
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2832 static PyObject * |
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2833 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds); |
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2834 |
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2835 static int |
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2836 excess_args(PyObject *args, PyObject *kwds) |
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2837 { |
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2838 return PyTuple_GET_SIZE(args) || |
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2839 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds)); |
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2840 } |
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2841 |
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2842 static int |
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2843 object_init(PyObject *self, PyObject *args, PyObject *kwds) |
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2844 { |
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2845 int err = 0; |
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2846 if (excess_args(args, kwds)) { |
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2847 PyTypeObject *type = Py_TYPE(self); |
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2848 if (type->tp_init != object_init && |
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2849 type->tp_new != object_new) |
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2850 { |
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2851 err = PyErr_WarnEx(PyExc_DeprecationWarning, |
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2852 "object.__init__() takes no parameters", |
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2853 1); |
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2854 } |
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2855 else if (type->tp_init != object_init || |
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2856 type->tp_new == object_new) |
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2857 { |
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2858 PyErr_SetString(PyExc_TypeError, |
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2859 "object.__init__() takes no parameters"); |
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2860 err = -1; |
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2861 } |
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2862 } |
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2863 return err; |
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2864 } |
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41212
diff
changeset
|
2865 |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2866 static PyObject * |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2867 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2868 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2869 int err = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2870 if (excess_args(args, kwds)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2871 if (type->tp_new != object_new && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2872 type->tp_init != object_init) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2873 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2874 err = PyErr_WarnEx(PyExc_DeprecationWarning, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2875 "object.__new__() takes no parameters", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2876 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2877 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2878 else if (type->tp_new != object_new || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2879 type->tp_init == object_init) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2880 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2881 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2882 "object.__new__() takes no parameters"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2883 err = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2884 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2885 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2886 if (err < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2887 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2888 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2889 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2890 static PyObject *comma = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2891 PyObject *abstract_methods = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2892 PyObject *builtins; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2893 PyObject *sorted; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2894 PyObject *sorted_methods = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2895 PyObject *joined = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2896 const char *joined_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2897 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2898 /* Compute ", ".join(sorted(type.__abstractmethods__)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2899 into joined. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2900 abstract_methods = type_abstractmethods(type, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2901 if (abstract_methods == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2902 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2903 builtins = PyEval_GetBuiltins(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2904 if (builtins == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2905 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2906 sorted = PyDict_GetItemString(builtins, "sorted"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2907 if (sorted == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2908 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2909 sorted_methods = PyObject_CallFunctionObjArgs(sorted, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2910 abstract_methods, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2911 NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2912 if (sorted_methods == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2913 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2914 if (comma == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2915 comma = PyString_InternFromString(", "); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2916 if (comma == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2917 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2918 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2919 joined = PyObject_CallMethod(comma, "join", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2920 "O", sorted_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2921 if (joined == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2922 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2923 joined_str = PyString_AsString(joined); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2924 if (joined_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2925 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2926 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2927 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2928 "Can't instantiate abstract class %s " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2929 "with abstract methods %s", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2930 type->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2931 joined_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2932 error: |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2933 Py_XDECREF(joined); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2934 Py_XDECREF(sorted_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2935 Py_XDECREF(abstract_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2936 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2937 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2938 return type->tp_alloc(type, 0); |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2939 } |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2940 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2941 static void |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2942 object_dealloc(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2943 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2944 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
|
2945 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2946 |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2947 static PyObject * |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2948 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
|
2949 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2950 PyTypeObject *type; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2951 PyObject *mod, *name, *rtn; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2952 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2953 type = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2954 mod = type_module(type, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2955 if (mod == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2956 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2957 else if (!PyString_Check(mod)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2958 Py_DECREF(mod); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2959 mod = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2960 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2961 name = type_name(type, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2962 if (name == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2963 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2964 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__")) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2965 rtn = PyString_FromFormat("<%s.%s object at %p>", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2966 PyString_AS_STRING(mod), |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2967 PyString_AS_STRING(name), |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2968 self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2969 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2970 rtn = PyString_FromFormat("<%s object at %p>", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2971 type->tp_name, self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2972 Py_XDECREF(mod); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2973 Py_DECREF(name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2974 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
|
2975 } |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2976 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
2977 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
2978 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
|
2979 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
2980 unaryfunc f; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2981 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2982 f = Py_TYPE(self)->tp_repr; |
|
71360
cd9eca1bf531
Issue #11603: Fix a crash when __str__ is rebound as __repr__.
Antoine Pitrou <solipsis@pitrou.net>
parents:
71299
diff
changeset
|
2983 if (f == NULL || f == object_str) |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2984 f = object_repr; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
2985 return f(self); |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2986 } |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2987 |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
2988 static PyObject * |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
2989 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
|
2990 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
2991 Py_INCREF(Py_TYPE(self)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2992 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
|
2993 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
2994 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
2995 static int |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
2996 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
|
2997 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2998 return a == b || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2999 (a != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3000 b != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3001 a->tp_basicsize == b->tp_basicsize && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3002 a->tp_itemsize == b->tp_itemsize && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3003 a->tp_dictoffset == b->tp_dictoffset && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3004 a->tp_weaklistoffset == b->tp_weaklistoffset && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3005 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) == |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3006 (b->tp_flags & Py_TPFLAGS_HAVE_GC))); |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3007 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3008 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3009 static int |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3010 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
|
3011 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3012 PyTypeObject *base = a->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3013 Py_ssize_t size; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3014 PyObject *slots_a, *slots_b; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3015 |
|
67646
dd87b0efcdd8
Merged revisions 88063 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
67557
diff
changeset
|
3016 assert(base == b->tp_base); |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3017 size = base->tp_basicsize; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3018 if (a->tp_dictoffset == size && b->tp_dictoffset == size) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3019 size += sizeof(PyObject *); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3020 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3021 size += sizeof(PyObject *); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3022 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3023 /* Check slots compliance */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3024 slots_a = ((PyHeapTypeObject *)a)->ht_slots; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3025 slots_b = ((PyHeapTypeObject *)b)->ht_slots; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3026 if (slots_a && slots_b) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3027 if (PyObject_Compare(slots_a, slots_b) != 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3028 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3029 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3030 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3031 return size == a->tp_basicsize && size == b->tp_basicsize; |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3032 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3033 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3034 static int |
|
37596
1b078493d538
More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents:
37308
diff
changeset
|
3035 compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr) |
| 26421 | 3036 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3037 PyTypeObject *newbase, *oldbase; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3038 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3039 if (newto->tp_dealloc != oldto->tp_dealloc || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3040 newto->tp_free != oldto->tp_free) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3041 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3042 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3043 "%s assignment: " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3044 "'%s' deallocator differs from '%s'", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3045 attr, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3046 newto->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3047 oldto->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3048 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3049 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3050 newbase = newto; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3051 oldbase = oldto; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3052 while (equiv_structs(newbase, newbase->tp_base)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3053 newbase = newbase->tp_base; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3054 while (equiv_structs(oldbase, oldbase->tp_base)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3055 oldbase = oldbase->tp_base; |
|
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changeset
|
3056 if (newbase != oldbase && |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3057 (newbase->tp_base != oldbase->tp_base || |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3058 !same_slots_added(newbase, oldbase))) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3059 PyErr_Format(PyExc_TypeError, |
|
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|
3060 "%s assignment: " |
|
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changeset
|
3061 "'%s' object layout differs from '%s'", |
|
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|
3062 attr, |
|
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|
3063 newto->tp_name, |
|
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|
3064 oldto->tp_name); |
|
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|
3065 return 0; |
|
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|
3066 } |
|
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|
3067 |
|
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changeset
|
3068 return 1; |
| 26421 | 3069 } |
| 3070 | |
| 3071 static int | |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3072 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
|
3073 { |
|
61465
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changeset
|
3074 PyTypeObject *oldto = Py_TYPE(self); |
|
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|
3075 PyTypeObject *newto; |
|
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|
3076 |
|
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|
3077 if (value == NULL) { |
|
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|
3078 PyErr_SetString(PyExc_TypeError, |
|
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|
3079 "can't delete __class__ attribute"); |
|
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|
3080 return -1; |
|
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|
3081 } |
|
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|
3082 if (!PyType_Check(value)) { |
|
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|
3083 PyErr_Format(PyExc_TypeError, |
|
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|
3084 "__class__ must be set to new-style class, not '%s' object", |
|
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|
3085 Py_TYPE(value)->tp_name); |
|
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|
3086 return -1; |
|
e38335d4df91
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parents:
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diff
changeset
|
3087 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3088 newto = (PyTypeObject *)value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3089 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3090 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3091 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3092 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3093 "__class__ assignment: only for heap types"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3094 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3095 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3096 if (compatible_for_assignment(newto, oldto, "__class__")) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3097 Py_INCREF(newto); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3098 Py_TYPE(self) = newto; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3099 Py_DECREF(oldto); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3100 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
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changeset
|
3101 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3102 else { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3103 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3104 } |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3105 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3106 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3107 static PyGetSetDef object_getsets[] = { |
|
61465
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|
3108 {"__class__", object_get_class, object_set_class, |
|
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|
3109 PyDoc_STR("the object's class")}, |
|
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changeset
|
3110 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3111 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3112 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3113 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3114 /* Stuff to implement __reduce_ex__ for pickle protocols >= 2. |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3115 We fall back to helpers in copy_reg for: |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3116 - pickle protocols < 2 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3117 - 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
|
3118 - 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
|
3119 */ |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3120 |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3121 static PyObject * |
|
46865
b40827eb4b80
Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46573
diff
changeset
|
3122 import_copyreg(void) |
|
b40827eb4b80
Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46573
diff
changeset
|
3123 { |
|
61465
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|
3124 static PyObject *copyreg_str; |
|
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|
3125 |
|
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changeset
|
3126 if (!copyreg_str) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3127 copyreg_str = PyString_InternFromString("copy_reg"); |
|
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|
3128 if (copyreg_str == NULL) |
|
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|
3129 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3130 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3131 |
|
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|
3132 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
|
3133 } |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3134 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3135 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3136 slotnames(PyObject *cls) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3137 { |
|
61465
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|
3138 PyObject *clsdict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3139 PyObject *copyreg; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3140 PyObject *slotnames; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3141 |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3142 if (!PyType_Check(cls)) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3143 Py_INCREF(Py_None); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3144 return Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3145 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3146 |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3147 clsdict = ((PyTypeObject *)cls)->tp_dict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3148 slotnames = PyDict_GetItemString(clsdict, "__slotnames__"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3149 if (slotnames != NULL && PyList_Check(slotnames)) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3150 Py_INCREF(slotnames); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3151 return slotnames; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3152 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3153 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3154 copyreg = import_copyreg(); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3155 if (copyreg == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3156 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3157 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3158 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3159 Py_DECREF(copyreg); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3160 if (slotnames != NULL && |
|
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|
3161 slotnames != Py_None && |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3162 !PyList_Check(slotnames)) |
|
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|
3163 { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3164 PyErr_SetString(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3165 "copy_reg._slotnames didn't return a list or None"); |
|
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|
3166 Py_DECREF(slotnames); |
|
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|
3167 slotnames = NULL; |
|
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|
3168 } |
|
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|
3169 |
|
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changeset
|
3170 return slotnames; |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3171 } |
|
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 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3174 reduce_2(PyObject *obj) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3175 { |
|
61465
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|
3176 PyObject *cls, *getnewargs; |
|
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changeset
|
3177 PyObject *args = NULL, *args2 = NULL; |
|
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|
3178 PyObject *getstate = NULL, *state = NULL, *names = NULL; |
|
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changeset
|
3179 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL; |
|
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|
3180 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL; |
|
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|
3181 Py_ssize_t i, n; |
|
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|
3182 |
|
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|
3183 cls = PyObject_GetAttrString(obj, "__class__"); |
|
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|
3184 if (cls == NULL) |
|
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|
3185 return NULL; |
|
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changeset
|
3186 |
|
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changeset
|
3187 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__"); |
|
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|
3188 if (getnewargs != NULL) { |
|
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|
3189 args = PyObject_CallObject(getnewargs, NULL); |
|
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|
3190 Py_DECREF(getnewargs); |
|
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|
3191 if (args != NULL && !PyTuple_Check(args)) { |
|
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|
3192 PyErr_Format(PyExc_TypeError, |
|
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|
3193 "__getnewargs__ should return a tuple, " |
|
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|
3194 "not '%.200s'", Py_TYPE(args)->tp_name); |
|
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|
3195 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3196 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3197 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3198 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3199 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3200 args = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3201 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3202 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3203 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3204 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3205 getstate = PyObject_GetAttrString(obj, "__getstate__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3206 if (getstate != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3207 state = PyObject_CallObject(getstate, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3208 Py_DECREF(getstate); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3209 if (state == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3210 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3211 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3212 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3213 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3214 state = PyObject_GetAttrString(obj, "__dict__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3215 if (state == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3216 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3217 state = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3218 Py_INCREF(state); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3219 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3220 names = slotnames(cls); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3221 if (names == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3222 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3223 if (names != Py_None) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3224 assert(PyList_Check(names)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3225 slots = PyDict_New(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3226 if (slots == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3227 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3228 n = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3229 /* Can't pre-compute the list size; the list |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3230 is stored on the class so accessible to other |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3231 threads, which may be run by DECREF */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3232 for (i = 0; i < PyList_GET_SIZE(names); i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3233 PyObject *name, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3234 name = PyList_GET_ITEM(names, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3235 value = PyObject_GetAttr(obj, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3236 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3237 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3238 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3239 int err = PyDict_SetItem(slots, name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3240 value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3241 Py_DECREF(value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3242 if (err) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3243 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3244 n++; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3245 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3246 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3247 if (n) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3248 state = Py_BuildValue("(NO)", state, slots); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3249 if (state == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3250 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3251 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3252 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3253 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3254 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3255 if (!PyList_Check(obj)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3256 listitems = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3257 Py_INCREF(listitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3258 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3259 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3260 listitems = PyObject_GetIter(obj); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3261 if (listitems == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3262 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3263 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3264 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3265 if (!PyDict_Check(obj)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3266 dictitems = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3267 Py_INCREF(dictitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3268 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3269 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3270 dictitems = PyObject_CallMethod(obj, "iteritems", ""); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3271 if (dictitems == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3272 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3273 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3274 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3275 copyreg = import_copyreg(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3276 if (copyreg == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3277 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3278 newobj = PyObject_GetAttrString(copyreg, "__newobj__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3279 if (newobj == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3280 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3281 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3282 n = PyTuple_GET_SIZE(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3283 args2 = PyTuple_New(n+1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3284 if (args2 == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3285 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3286 PyTuple_SET_ITEM(args2, 0, cls); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3287 cls = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3288 for (i = 0; i < n; i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3289 PyObject *v = PyTuple_GET_ITEM(args, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3290 Py_INCREF(v); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3291 PyTuple_SET_ITEM(args2, i+1, v); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3292 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3293 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3294 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
|
3295 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3296 end: |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3297 Py_XDECREF(cls); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3298 Py_XDECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3299 Py_XDECREF(args2); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3300 Py_XDECREF(slots); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3301 Py_XDECREF(state); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3302 Py_XDECREF(names); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3303 Py_XDECREF(listitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3304 Py_XDECREF(dictitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3305 Py_XDECREF(copyreg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3306 Py_XDECREF(newobj); |
|
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|
3307 return res; |
|
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3308 } |
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3309 |
|
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|
3310 /* |
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|
3311 * There were two problems when object.__reduce__ and object.__reduce_ex__ |
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3312 * were implemented in the same function: |
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3313 * - trying to pickle an object with a custom __reduce__ method that |
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3314 * fell back to object.__reduce__ in certain circumstances led to |
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3315 * infinite recursion at Python level and eventual RuntimeError. |
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3316 * - Pickling objects that lied about their type by overwriting the |
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|
3317 * __class__ descriptor could lead to infinite recursion at C level |
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|
3318 * and eventual segfault. |
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3319 * |
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3320 * Because of backwards compatibility, the two methods still have to |
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3321 * behave in the same way, even if this is not required by the pickle |
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|
3322 * protocol. This common functionality was moved to the _common_reduce |
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3323 * function. |
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3324 */ |
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|
3325 static PyObject * |
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3326 _common_reduce(PyObject *self, int proto) |
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3327 { |
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|
3328 PyObject *copyreg, *res; |
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3329 |
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3330 if (proto >= 2) |
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3331 return reduce_2(self); |
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3332 |
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3333 copyreg = import_copyreg(); |
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3334 if (!copyreg) |
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3335 return NULL; |
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3336 |
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|
3337 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto); |
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|
3338 Py_DECREF(copyreg); |
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3339 |
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|
3340 return res; |
|
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3341 } |
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3342 |
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|
3343 static PyObject * |
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|
3344 object_reduce(PyObject *self, PyObject *args) |
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3345 { |
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|
3346 int proto = 0; |
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3347 |
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3348 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto)) |
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3349 return NULL; |
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3350 |
|
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3351 return _common_reduce(self, proto); |
|
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3352 } |
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|
3353 |
|
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|
3354 static PyObject * |
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|
3355 object_reduce_ex(PyObject *self, PyObject *args) |
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3356 { |
|
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|
3357 PyObject *reduce, *res; |
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3358 int proto = 0; |
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3359 |
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3360 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto)) |
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3361 return NULL; |
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3362 |
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3363 reduce = PyObject_GetAttrString(self, "__reduce__"); |
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|
3364 if (reduce == NULL) |
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3365 PyErr_Clear(); |
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3366 else { |
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3367 PyObject *cls, *clsreduce, *objreduce; |
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|
3368 int override; |
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3369 cls = PyObject_GetAttrString(self, "__class__"); |
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3370 if (cls == NULL) { |
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|
3371 Py_DECREF(reduce); |
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3372 return NULL; |
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3373 } |
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3374 clsreduce = PyObject_GetAttrString(cls, "__reduce__"); |
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|
3375 Py_DECREF(cls); |
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|
3376 if (clsreduce == NULL) { |
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|
3377 Py_DECREF(reduce); |
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3378 return NULL; |
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3379 } |
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3380 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict, |
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3381 "__reduce__"); |
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3382 override = (clsreduce != objreduce); |
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|
3383 Py_DECREF(clsreduce); |
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3384 if (override) { |
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3385 res = PyObject_CallObject(reduce, NULL); |
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|
3386 Py_DECREF(reduce); |
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3387 return res; |
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3388 } |
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3389 else |
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3390 Py_DECREF(reduce); |
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3391 } |
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3392 |
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3393 return _common_reduce(self, proto); |
|
20084
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3394 } |
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3395 |
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45543
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3396 static PyObject * |
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3397 object_subclasshook(PyObject *cls, PyObject *args) |
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3398 { |
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3399 Py_INCREF(Py_NotImplemented); |
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3400 return Py_NotImplemented; |
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3401 } |
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3402 |
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3403 PyDoc_STRVAR(object_subclasshook_doc, |
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3404 "Abstract classes can override this to customize issubclass().\n" |
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3405 "\n" |
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3406 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n" |
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3407 "It should return True, False or NotImplemented. If it returns\n" |
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3408 "NotImplemented, the normal algorithm is used. Otherwise, it\n" |
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3409 "overrides the normal algorithm (and the outcome is cached).\n"); |
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changeset
|
3410 |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3411 /* |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3412 from PEP 3101, this code implements: |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3413 |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3414 class object: |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3415 def __format__(self, format_spec): |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3416 if isinstance(format_spec, str): |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3417 return format(str(self), format_spec) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3418 elif isinstance(format_spec, unicode): |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3419 return format(unicode(self), format_spec) |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3420 */ |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3421 static PyObject * |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3422 object_format(PyObject *self, PyObject *args) |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3423 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3424 PyObject *format_spec; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3425 PyObject *self_as_str = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3426 PyObject *result = NULL; |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
3427 Py_ssize_t format_len; |
|
61465
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|
3428 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3429 if (!PyArg_ParseTuple(args, "O:__format__", &format_spec)) |
|
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changeset
|
3430 return NULL; |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
50828
diff
changeset
|
3431 #ifdef Py_USING_UNICODE |
|
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|
3432 if (PyUnicode_Check(format_spec)) { |
|
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Antoine Pitrou <solipsis@pitrou.net>
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|
3433 format_len = PyUnicode_GET_SIZE(format_spec); |
|
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|
3434 self_as_str = PyObject_Unicode(self); |
|
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|
3435 } else if (PyString_Check(format_spec)) { |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
50828
diff
changeset
|
3436 #else |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3437 if (PyString_Check(format_spec)) { |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
3438 #endif |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3439 format_len = PyString_GET_SIZE(format_spec); |
|
61465
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|
3440 self_as_str = PyObject_Str(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3441 } else { |
|
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3442 PyErr_SetString(PyExc_TypeError, |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
3443 "argument to __format__ must be unicode or str"); |
|
61465
e38335d4df91
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|
3444 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3445 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3446 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3447 if (self_as_str != NULL) { |
|
61463
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3448 /* Issue 7994: If we're converting to a string, we |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3449 should reject format specifications */ |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3450 if (format_len > 0) { |
|
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3451 if (PyErr_WarnEx(PyExc_PendingDeprecationWarning, |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3452 "object.__format__ with a non-empty format " |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3453 "string is deprecated", 1) < 0) { |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3454 goto done; |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3455 } |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3456 /* Eventually this will become an error: |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3457 PyErr_Format(PyExc_TypeError, |
|
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diff
changeset
|
3458 "non-empty format string passed to object.__format__"); |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3459 goto done; |
|
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
61266
diff
changeset
|
3460 */ |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3461 } |
| 62087 | 3462 result = PyObject_Format(self_as_str, format_spec); |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3463 } |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
61266
diff
changeset
|
3464 |
|
60162
20497d85e011
Issue 7994: Make object.__format__ with a non-empty format string a PendingDecprecationWarning. Still need to remove uses of this from various tests.
Eric Smith <eric@trueblade.com>
parents:
57748
diff
changeset
|
3465 done: |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3466 Py_XDECREF(self_as_str); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3467 |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3468 return result; |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3469 } |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3470 |
|
47419
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3471 static PyObject * |
|
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3472 object_sizeof(PyObject *self, PyObject *args) |
|
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3473 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3474 Py_ssize_t res, isize; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3475 |
|
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diff
changeset
|
3476 res = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3477 isize = self->ob_type->tp_itemsize; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3478 if (isize > 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3479 res = self->ob_type->ob_size * isize; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3480 res += self->ob_type->tp_basicsize; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3481 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3482 return PyInt_FromSsize_t(res); |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3483 } |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3484 |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3485 static PyMethodDef object_methods[] = { |
|
61465
e38335d4df91
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changeset
|
3486 {"__reduce_ex__", object_reduce_ex, METH_VARARGS, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3487 PyDoc_STR("helper for pickle")}, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3488 {"__reduce__", object_reduce, METH_VARARGS, |
|
e38335d4df91
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|
3489 PyDoc_STR("helper for pickle")}, |
|
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changeset
|
3490 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS, |
|
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|
3491 object_subclasshook_doc}, |
|
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|
3492 {"__format__", object_format, METH_VARARGS, |
|
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|
3493 PyDoc_STR("default object formatter")}, |
|
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changeset
|
3494 {"__sizeof__", object_sizeof, METH_NOARGS, |
|
70339
916838ace42a
use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents:
68588
diff
changeset
|
3495 PyDoc_STR("__sizeof__() -> int\nsize of object in memory, in bytes")}, |
|
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changeset
|
3496 {0} |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3497 }; |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3498 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3499 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3500 PyTypeObject PyBaseObject_Type = { |
|
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|
3501 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
|
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|
3502 "object", /* tp_name */ |
|
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|
3503 sizeof(PyObject), /* tp_basicsize */ |
|
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|
3504 0, /* tp_itemsize */ |
|
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|
3505 object_dealloc, /* tp_dealloc */ |
|
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|
3506 0, /* tp_print */ |
|
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|
3507 0, /* tp_getattr */ |
|
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|
3508 0, /* tp_setattr */ |
|
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|
3509 0, /* tp_compare */ |
|
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changeset
|
3510 object_repr, /* tp_repr */ |
|
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|
3511 0, /* tp_as_number */ |
|
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|
3512 0, /* tp_as_sequence */ |
|
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|
3513 0, /* tp_as_mapping */ |
|
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changeset
|
3514 (hashfunc)_Py_HashPointer, /* tp_hash */ |
|
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changeset
|
3515 0, /* tp_call */ |
|
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|
3516 object_str, /* tp_str */ |
|
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changeset
|
3517 PyObject_GenericGetAttr, /* tp_getattro */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3518 PyObject_GenericSetAttr, /* tp_setattro */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3519 0, /* tp_as_buffer */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3520 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3521 PyDoc_STR("The most base type"), /* tp_doc */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3522 0, /* tp_traverse */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3523 0, /* tp_clear */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3524 0, /* tp_richcompare */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3525 0, /* tp_weaklistoffset */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3526 0, /* tp_iter */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3527 0, /* tp_iternext */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3528 object_methods, /* tp_methods */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3529 0, /* tp_members */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3530 object_getsets, /* tp_getset */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3531 0, /* tp_base */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3532 0, /* tp_dict */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3533 0, /* tp_descr_get */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3534 0, /* tp_descr_set */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3535 0, /* tp_dictoffset */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3536 object_init, /* tp_init */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3537 PyType_GenericAlloc, /* tp_alloc */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3538 object_new, /* tp_new */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3539 PyObject_Del, /* tp_free */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3540 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3541 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3542 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3543 /* Initialize the __dict__ in a type object */ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3544 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3545 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3546 add_methods(PyTypeObject *type, PyMethodDef *meth) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3547 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3548 PyObject *dict = type->tp_dict; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3549 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3550 for (; meth->ml_name != NULL; meth++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3551 PyObject *descr; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3552 if (PyDict_GetItemString(dict, meth->ml_name) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3553 !(meth->ml_flags & METH_COEXIST)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3554 continue; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3555 if (meth->ml_flags & METH_CLASS) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3556 if (meth->ml_flags & METH_STATIC) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3557 PyErr_SetString(PyExc_ValueError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3558 "method cannot be both class and static"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3559 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3560 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3561 descr = PyDescr_NewClassMethod(type, meth); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3562 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3563 else if (meth->ml_flags & METH_STATIC) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3564 PyObject *cfunc = PyCFunction_New(meth, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3565 if (cfunc == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3566 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3567 descr = PyStaticMethod_New(cfunc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3568 Py_DECREF(cfunc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3569 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3570 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3571 descr = PyDescr_NewMethod(type, meth); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3572 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3573 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
3574 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3575 if (PyDict_SetItemString(dict, meth->ml_name, descr) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3576 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3577 Py_DECREF(descr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3578 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3579 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3580 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3581 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3582 static int |
|
20012
3faabf54b8b8
Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents:
19970
diff
changeset
|
3583 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
|
3584 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3585 PyObject *dict = type->tp_dict; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3586 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3587 for (; memb->name != NULL; memb++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3588 PyObject *descr; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3589 if (PyDict_GetItemString(dict, memb->name)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3590 continue; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3591 descr = PyDescr_NewMember(type, memb); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3592 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3593 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
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changeset
|
3594 if (PyDict_SetItemString(dict, memb->name, descr) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3595 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3596 Py_DECREF(descr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3597 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3598 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3599 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3600 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3601 static int |
|
20015
ca7af2a5d915
Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents:
20012
diff
changeset
|
3602 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
|
3603 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3604 PyObject *dict = type->tp_dict; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3605 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3606 for (; gsp->name != NULL; gsp++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
3607 PyObject *descr; |
|
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changeset
|
3608 if (PyDict_GetItemString(dict, gsp->name)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3609 continue; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3610 descr = PyDescr_NewGetSet(type, gsp); |
|
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|
3611 |
|
e38335d4df91
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changeset
|
3612 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3613 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3614 if (PyDict_SetItemString(dict, gsp->name, descr) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3615 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3616 Py_DECREF(descr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3617 } |
|
e38335d4df91
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parents:
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changeset
|
3618 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3619 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3620 |
|
52749
75efd757434b
Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents:
52176
diff
changeset
|
3621 #define BUFFER_FLAGS (Py_TPFLAGS_HAVE_GETCHARBUFFER | Py_TPFLAGS_HAVE_NEWBUFFER) |
|
75efd757434b
Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents:
52176
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 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3624 inherit_special(PyTypeObject *type, PyTypeObject *base) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3625 { |
|
61465
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changeset
|
3626 Py_ssize_t oldsize, newsize; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3627 |
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|
3628 /* Special flag magic */ |
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3629 if (!type->tp_as_buffer && base->tp_as_buffer) { |
|
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fd25030223b0
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3630 type->tp_flags &= ~BUFFER_FLAGS; |
|
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3631 type->tp_flags |= |
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|
3632 base->tp_flags & BUFFER_FLAGS; |
|
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3633 } |
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3634 if (!type->tp_as_sequence && base->tp_as_sequence) { |
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3635 type->tp_flags &= ~Py_TPFLAGS_HAVE_SEQUENCE_IN; |
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3636 type->tp_flags |= base->tp_flags & Py_TPFLAGS_HAVE_SEQUENCE_IN; |
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3637 } |
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3638 if ((type->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS) != |
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3639 (base->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS)) { |
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3640 if ((!type->tp_as_number && base->tp_as_number) || |
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3641 (!type->tp_as_sequence && base->tp_as_sequence)) { |
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3642 type->tp_flags &= ~Py_TPFLAGS_HAVE_INPLACEOPS; |
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3643 if (!type->tp_as_number && !type->tp_as_sequence) { |
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3644 type->tp_flags |= base->tp_flags & |
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3645 Py_TPFLAGS_HAVE_INPLACEOPS; |
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3646 } |
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3647 } |
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3648 /* Wow */ |
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3649 } |
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3650 if (!type->tp_as_number && base->tp_as_number) { |
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3651 type->tp_flags &= ~Py_TPFLAGS_CHECKTYPES; |
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3652 type->tp_flags |= base->tp_flags & Py_TPFLAGS_CHECKTYPES; |
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3653 } |
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3654 |
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3655 /* Copying basicsize is connected to the GC flags */ |
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3656 oldsize = base->tp_basicsize; |
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3657 newsize = type->tp_basicsize ? type->tp_basicsize : oldsize; |
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3658 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
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3659 (base->tp_flags & Py_TPFLAGS_HAVE_GC) && |
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3660 (type->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE/*GC slots exist*/) && |
|
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3661 (!type->tp_traverse && !type->tp_clear)) { |
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3662 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
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3663 if (type->tp_traverse == NULL) |
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3664 type->tp_traverse = base->tp_traverse; |
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3665 if (type->tp_clear == NULL) |
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3666 type->tp_clear = base->tp_clear; |
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3667 } |
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3668 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
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3669 /* The condition below could use some explanation. |
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3670 It appears that tp_new is not inherited for static types |
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3671 whose base class is 'object'; this seems to be a precaution |
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3672 so that old extension types don't suddenly become |
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3673 callable (object.__new__ wouldn't insure the invariants |
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3674 that the extension type's own factory function ensures). |
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3675 Heap types, of course, are under our control, so they do |
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3676 inherit tp_new; static extension types that specify some |
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3677 other built-in type as the default are considered |
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3678 new-style-aware so they also inherit object.__new__. */ |
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3679 if (base != &PyBaseObject_Type || |
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3680 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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3681 if (type->tp_new == NULL) |
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3682 type->tp_new = base->tp_new; |
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3683 } |
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3684 } |
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3685 type->tp_basicsize = newsize; |
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3686 |
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3687 /* Copy other non-function slots */ |
|
19253
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
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3688 |
|
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents:
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3689 #undef COPYVAL |
|
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents:
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3690 #define COPYVAL(SLOT) \ |
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3691 if (type->SLOT == 0) type->SLOT = base->SLOT |
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3692 |
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3693 COPYVAL(tp_itemsize); |
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3694 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_WEAKREFS) { |
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3695 COPYVAL(tp_weaklistoffset); |
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3696 } |
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3697 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
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3698 COPYVAL(tp_dictoffset); |
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3699 } |
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3700 |
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3701 /* Setup fast subclass flags */ |
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3702 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException)) |
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3703 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS; |
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3704 else if (PyType_IsSubtype(base, &PyType_Type)) |
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3705 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS; |
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3706 else if (PyType_IsSubtype(base, &PyInt_Type)) |
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3707 type->tp_flags |= Py_TPFLAGS_INT_SUBCLASS; |
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3708 else if (PyType_IsSubtype(base, &PyLong_Type)) |
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3709 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS; |
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3710 else if (PyType_IsSubtype(base, &PyString_Type)) |
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3711 type->tp_flags |= Py_TPFLAGS_STRING_SUBCLASS; |
|
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db5e01c33eb7
Make Python compile with --disable-unicode.
Georg Brandl <georg@python.org>
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|
3712 #ifdef Py_USING_UNICODE |
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3713 else if (PyType_IsSubtype(base, &PyUnicode_Type)) |
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3714 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS; |
|
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db5e01c33eb7
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Georg Brandl <georg@python.org>
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3715 #endif |
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3716 else if (PyType_IsSubtype(base, &PyTuple_Type)) |
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3717 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS; |
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3718 else if (PyType_IsSubtype(base, &PyList_Type)) |
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3719 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS; |
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3720 else if (PyType_IsSubtype(base, &PyDict_Type)) |
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3721 type->tp_flags |= Py_TPFLAGS_DICT_SUBCLASS; |
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3722 } |
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3723 |
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Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
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3724 static int |
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3725 overrides_name(PyTypeObject *type, char *name) |
|
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3726 { |
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3727 PyObject *dict = type->tp_dict; |
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3728 |
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|
3729 assert(dict != NULL); |
|
e38335d4df91
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parents:
57749
diff
changeset
|
3730 if (PyDict_GetItemString(dict, name) != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3731 return 1; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3732 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3733 return 0; |
|
48213
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3734 } |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3735 |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3736 #define OVERRIDES_HASH(x) overrides_name(x, "__hash__") |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3737 #define OVERRIDES_EQ(x) overrides_name(x, "__eq__") |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3738 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3739 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3740 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
|
3741 { |
|
61465
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|
3742 PyTypeObject *basebase; |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3743 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3744 #undef SLOTDEFINED |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3745 #undef COPYSLOT |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3746 #undef COPYNUM |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3747 #undef COPYSEQ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3748 #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
|
3749 #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
|
3750 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3751 #define SLOTDEFINED(SLOT) \ |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3752 (base->SLOT != 0 && \ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3753 (basebase == NULL || base->SLOT != basebase->SLOT)) |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3754 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3755 #define COPYSLOT(SLOT) \ |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3756 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:
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diff
changeset
|
3757 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3758 #define COPYNUM(SLOT) COPYSLOT(tp_as_number->SLOT) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3759 #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
|
3760 #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
|
3761 #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
|
3762 |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3763 /* This won't inherit indirect slots (from tp_as_number etc.) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3764 if type doesn't provide the space. */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3765 |
|
e38335d4df91
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|
3766 if (type->tp_as_number != NULL && base->tp_as_number != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3767 basebase = base->tp_base; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3768 if (basebase->tp_as_number == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3769 basebase = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3770 COPYNUM(nb_add); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3771 COPYNUM(nb_subtract); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3772 COPYNUM(nb_multiply); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3773 COPYNUM(nb_divide); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3774 COPYNUM(nb_remainder); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3775 COPYNUM(nb_divmod); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3776 COPYNUM(nb_power); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3777 COPYNUM(nb_negative); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3778 COPYNUM(nb_positive); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3779 COPYNUM(nb_absolute); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3780 COPYNUM(nb_nonzero); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3781 COPYNUM(nb_invert); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3782 COPYNUM(nb_lshift); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3783 COPYNUM(nb_rshift); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3784 COPYNUM(nb_and); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3785 COPYNUM(nb_xor); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3786 COPYNUM(nb_or); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3787 COPYNUM(nb_coerce); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3788 COPYNUM(nb_int); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3789 COPYNUM(nb_long); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3790 COPYNUM(nb_float); |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
3791 COPYNUM(nb_oct); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3792 COPYNUM(nb_hex); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3793 COPYNUM(nb_inplace_add); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3794 COPYNUM(nb_inplace_subtract); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3795 COPYNUM(nb_inplace_multiply); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3796 COPYNUM(nb_inplace_divide); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3797 COPYNUM(nb_inplace_remainder); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3798 COPYNUM(nb_inplace_power); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3799 COPYNUM(nb_inplace_lshift); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3800 COPYNUM(nb_inplace_rshift); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3801 COPYNUM(nb_inplace_and); |
|
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|
3802 COPYNUM(nb_inplace_xor); |
|
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|
3803 COPYNUM(nb_inplace_or); |
|
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|
3804 if (base->tp_flags & Py_TPFLAGS_CHECKTYPES) { |
|
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|
3805 COPYNUM(nb_true_divide); |
|
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|
3806 COPYNUM(nb_floor_divide); |
|
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|
3807 COPYNUM(nb_inplace_true_divide); |
|
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|
3808 COPYNUM(nb_inplace_floor_divide); |
|
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|
3809 } |
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|
3810 if (base->tp_flags & Py_TPFLAGS_HAVE_INDEX) { |
|
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|
3811 COPYNUM(nb_index); |
|
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|
3812 } |
|
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|
3813 } |
|
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|
3814 |
|
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|
3815 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) { |
|
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|
3816 basebase = base->tp_base; |
|
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|
3817 if (basebase->tp_as_sequence == NULL) |
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|
3818 basebase = NULL; |
|
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|
3819 COPYSEQ(sq_length); |
|
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|
3820 COPYSEQ(sq_concat); |
|
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|
3821 COPYSEQ(sq_repeat); |
|
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|
3822 COPYSEQ(sq_item); |
|
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|
3823 COPYSEQ(sq_slice); |
|
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|
3824 COPYSEQ(sq_ass_item); |
|
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|
3825 COPYSEQ(sq_ass_slice); |
|
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|
3826 COPYSEQ(sq_contains); |
|
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3827 COPYSEQ(sq_inplace_concat); |
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|
3828 COPYSEQ(sq_inplace_repeat); |
|
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|
3829 } |
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|
3830 |
|
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|
3831 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) { |
|
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|
3832 basebase = base->tp_base; |
|
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|
3833 if (basebase->tp_as_mapping == NULL) |
|
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|
3834 basebase = NULL; |
|
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|
3835 COPYMAP(mp_length); |
|
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|
3836 COPYMAP(mp_subscript); |
|
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|
3837 COPYMAP(mp_ass_subscript); |
|
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|
3838 } |
|
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|
3839 |
|
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|
3840 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) { |
|
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|
3841 basebase = base->tp_base; |
|
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|
3842 if (basebase->tp_as_buffer == NULL) |
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|
3843 basebase = NULL; |
|
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|
3844 COPYBUF(bf_getreadbuffer); |
|
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|
3845 COPYBUF(bf_getwritebuffer); |
|
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|
3846 COPYBUF(bf_getsegcount); |
|
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|
3847 COPYBUF(bf_getcharbuffer); |
|
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|
3848 COPYBUF(bf_getbuffer); |
|
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|
3849 COPYBUF(bf_releasebuffer); |
|
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|
3850 } |
|
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3851 |
|
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3852 basebase = base->tp_base; |
|
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3853 |
|
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3854 COPYSLOT(tp_dealloc); |
|
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3855 COPYSLOT(tp_print); |
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3856 if (type->tp_getattr == NULL && type->tp_getattro == NULL) { |
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3857 type->tp_getattr = base->tp_getattr; |
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3858 type->tp_getattro = base->tp_getattro; |
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3859 } |
|
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3860 if (type->tp_setattr == NULL && type->tp_setattro == NULL) { |
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3861 type->tp_setattr = base->tp_setattr; |
|
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3862 type->tp_setattro = base->tp_setattro; |
|
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3863 } |
|
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3864 /* tp_compare see tp_richcompare */ |
|
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3865 COPYSLOT(tp_repr); |
|
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3866 /* tp_hash see tp_richcompare */ |
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3867 COPYSLOT(tp_call); |
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3868 COPYSLOT(tp_str); |
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3869 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE) { |
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3870 if (type->tp_compare == NULL && |
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|
3871 type->tp_richcompare == NULL && |
|
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|
3872 type->tp_hash == NULL) |
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3873 { |
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3874 type->tp_compare = base->tp_compare; |
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|
3875 type->tp_richcompare = base->tp_richcompare; |
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|
3876 type->tp_hash = base->tp_hash; |
|
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|
3877 /* Check for changes to inherited methods in Py3k*/ |
|
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3878 if (Py_Py3kWarningFlag) { |
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|
3879 if (base->tp_hash && |
|
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3880 (base->tp_hash != PyObject_HashNotImplemented) && |
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3881 !OVERRIDES_HASH(type)) { |
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|
3882 if (OVERRIDES_EQ(type)) { |
|
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3883 if (PyErr_WarnPy3k("Overriding " |
|
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|
3884 "__eq__ blocks inheritance " |
|
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|
3885 "of __hash__ in 3.x", |
|
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|
3886 1) < 0) |
|
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|
3887 /* XXX This isn't right. If the warning is turned |
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|
3888 into an exception, we should be communicating |
|
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3889 the error back to the caller, but figuring out |
|
62106
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|
3890 how to clean up in that case is tricky. See |
|
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|
3891 issue 8627 for more. */ |
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|
3892 PyErr_Clear(); |
|
61465
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3893 } |
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3894 } |
|
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3895 } |
|
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3896 } |
|
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3897 } |
|
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3898 else { |
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3899 COPYSLOT(tp_compare); |
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3900 } |
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|
3901 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_ITER) { |
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3902 COPYSLOT(tp_iter); |
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|
3903 COPYSLOT(tp_iternext); |
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3904 } |
|
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3905 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
|
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|
3906 COPYSLOT(tp_descr_get); |
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|
3907 COPYSLOT(tp_descr_set); |
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|
3908 COPYSLOT(tp_dictoffset); |
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|
3909 COPYSLOT(tp_init); |
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|
3910 COPYSLOT(tp_alloc); |
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|
3911 COPYSLOT(tp_is_gc); |
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3912 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) == |
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|
3913 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) { |
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|
3914 /* They agree about gc. */ |
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3915 COPYSLOT(tp_free); |
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3916 } |
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3917 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
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3918 type->tp_free == NULL && |
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3919 base->tp_free == _PyObject_Del) { |
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|
3920 /* A bit of magic to plug in the correct default |
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3921 * tp_free function when a derived class adds gc, |
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3922 * didn't define tp_free, and the base uses the |
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3923 * default non-gc tp_free. |
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3924 */ |
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3925 type->tp_free = PyObject_GC_Del; |
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3926 } |
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3927 /* else they didn't agree about gc, and there isn't something |
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3928 * obvious to be done -- the type is on its own. |
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3929 */ |
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3930 } |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
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3931 } |
|
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3932 |
|
24280
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3933 static int add_operators(PyTypeObject *); |
|
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3934 |
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3935 int |
|
19040
4df72ea78ae8
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|
3936 PyType_Ready(PyTypeObject *type) |
|
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3937 { |
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3938 PyObject *dict, *bases; |
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3939 PyTypeObject *base; |
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3940 Py_ssize_t i, n; |
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3941 |
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|
3942 if (type->tp_flags & Py_TPFLAGS_READY) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3943 assert(type->tp_dict != NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3944 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3945 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3946 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3947 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3948 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
|
3949 |
|
28389
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents:
28288
diff
changeset
|
3950 #ifdef Py_TRACE_REFS |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3951 /* PyType_Ready is the closest thing we have to a choke point |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3952 * for type objects, so is the best place I can think of to try |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3953 * to get type objects into the doubly-linked list of all objects. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3954 * Still, not all type objects go thru PyType_Ready. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3955 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3956 _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
|
3957 #endif |
|
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents:
28288
diff
changeset
|
3958 |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3959 /* Initialize tp_base (defaults to BaseObject unless that's us) */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3960 base = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3961 if (base == NULL && type != &PyBaseObject_Type) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3962 base = type->tp_base = &PyBaseObject_Type; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3963 Py_INCREF(base); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3964 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3965 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3966 /* Now the only way base can still be NULL is if type is |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3967 * &PyBaseObject_Type. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3968 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3969 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3970 /* Initialize the base class */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3971 if (base && base->tp_dict == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3972 if (PyType_Ready(base) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3973 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3974 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3975 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3976 /* Initialize ob_type if NULL. This means extensions that want to be |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3977 compilable separately on Windows can call PyType_Ready() instead of |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3978 initializing the ob_type field of their type objects. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3979 /* The test for base != NULL is really unnecessary, since base is only |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3980 NULL when type is &PyBaseObject_Type, and we know its ob_type is |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3981 not NULL (it's initialized to &PyType_Type). But coverity doesn't |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3982 know that. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3983 if (Py_TYPE(type) == NULL && base != NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3984 Py_TYPE(type) = Py_TYPE(base); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3985 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3986 /* Initialize tp_bases */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3987 bases = type->tp_bases; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3988 if (bases == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3989 if (base == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3990 bases = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3991 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3992 bases = PyTuple_Pack(1, base); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3993 if (bases == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3994 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3995 type->tp_bases = bases; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3996 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3997 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3998 /* Initialize tp_dict */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3999 dict = type->tp_dict; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4000 if (dict == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4001 dict = PyDict_New(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4002 if (dict == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4003 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4004 type->tp_dict = dict; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4005 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4006 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4007 /* Add type-specific descriptors to tp_dict */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4008 if (add_operators(type) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4009 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4010 if (type->tp_methods != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4011 if (add_methods(type, type->tp_methods) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4012 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4013 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4014 if (type->tp_members != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4015 if (add_members(type, type->tp_members) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4016 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4017 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4018 if (type->tp_getset != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4019 if (add_getset(type, type->tp_getset) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4020 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4021 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4022 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4023 /* Calculate method resolution order */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4024 if (mro_internal(type) < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4025 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4026 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4027 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4028 /* Inherit special flags from dominant base */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4029 if (type->tp_base != NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4030 inherit_special(type, type->tp_base); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4031 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4032 /* Initialize tp_dict properly */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4033 bases = type->tp_mro; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4034 assert(bases != NULL); |
|
e38335d4df91
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4035 assert(PyTuple_Check(bases)); |
|
e38335d4df91
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4036 n = PyTuple_GET_SIZE(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4037 for (i = 1; i < n; i++) { |
|
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changeset
|
4038 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
e38335d4df91
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changeset
|
4039 if (PyType_Check(b)) |
|
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changeset
|
4040 inherit_slots(type, (PyTypeObject *)b); |
|
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|
4041 } |
|
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changeset
|
4042 |
|
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changeset
|
4043 /* Sanity check for tp_free. */ |
|
e38335d4df91
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changeset
|
4044 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) && |
|
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parents:
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changeset
|
4045 (type->tp_free == NULL || type->tp_free == PyObject_Del)) { |
|
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4046 /* This base class needs to call tp_free, but doesn't have |
|
e38335d4df91
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parents:
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changeset
|
4047 * one, or its tp_free is for non-gc'ed objects. |
|
36925
7c17e9221f94
Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents:
36882
diff
changeset
|
4048 */ |
|
61465
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changeset
|
4049 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in " |
|
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changeset
|
4050 "gc and is a base type but has inappropriate " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4051 "tp_free slot", |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4052 type->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4053 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4054 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4055 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4056 /* if the type dictionary doesn't contain a __doc__, set it from |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4057 the tp_doc slot. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4058 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4059 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4060 if (type->tp_doc != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4061 PyObject *doc = PyString_FromString(type->tp_doc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4062 if (doc == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4063 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4064 PyDict_SetItemString(type->tp_dict, "__doc__", doc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4065 Py_DECREF(doc); |
|
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diff
changeset
|
4066 } else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4067 PyDict_SetItemString(type->tp_dict, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4068 "__doc__", Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4069 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4070 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4071 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4072 /* Some more special stuff */ |
|
e38335d4df91
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diff
changeset
|
4073 base = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4074 if (base != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4075 if (type->tp_as_number == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4076 type->tp_as_number = base->tp_as_number; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4077 if (type->tp_as_sequence == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4078 type->tp_as_sequence = base->tp_as_sequence; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4079 if (type->tp_as_mapping == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4080 type->tp_as_mapping = base->tp_as_mapping; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4081 if (type->tp_as_buffer == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4082 type->tp_as_buffer = base->tp_as_buffer; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4083 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4084 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4085 /* Link into each base class's list of subclasses */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4086 bases = type->tp_bases; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4087 n = PyTuple_GET_SIZE(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4088 for (i = 0; i < n; i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4089 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4090 if (PyType_Check(b) && |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4091 add_subclass((PyTypeObject *)b, type) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4092 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4093 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4094 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4095 /* All done -- set the ready flag */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4096 assert(type->tp_dict != NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4097 type->tp_flags = |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4098 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4099 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
|
4100 |
|
6463cd9db2fc
Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents:
19109
diff
changeset
|
4101 error: |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4102 type->tp_flags &= ~Py_TPFLAGS_READYING; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4103 return -1; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4104 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4105 |
|
20315
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4106 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
|
4107 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
|
4108 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4109 Py_ssize_t i; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4110 int result; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4111 PyObject *list, *ref, *newobj; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
4112 |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4113 list = base->tp_subclasses; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4114 if (list == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4115 base->tp_subclasses = list = PyList_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4116 if (list == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4117 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4118 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4119 assert(PyList_Check(list)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4120 newobj = PyWeakref_NewRef((PyObject *)type, NULL); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4121 i = PyList_GET_SIZE(list); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4122 while (--i >= 0) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4123 ref = PyList_GET_ITEM(list, i); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4124 assert(PyWeakref_CheckRef(ref)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4125 if (PyWeakref_GET_OBJECT(ref) == Py_None) |
|
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diff
changeset
|
4126 return PyList_SetItem(list, i, newobj); |
|
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changeset
|
4127 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4128 result = PyList_Append(list, newobj); |
|
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changeset
|
4129 Py_DECREF(newobj); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4130 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
|
4131 } |
|
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4132 |
| 26421 | 4133 static void |
| 4134 remove_subclass(PyTypeObject *base, PyTypeObject *type) | |
| 4135 { | |
|
61465
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changeset
|
4136 Py_ssize_t i; |
|
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changeset
|
4137 PyObject *list, *ref; |
|
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|
4138 |
|
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changeset
|
4139 list = base->tp_subclasses; |
|
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changeset
|
4140 if (list == NULL) { |
|
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changeset
|
4141 return; |
|
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changeset
|
4142 } |
|
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changeset
|
4143 assert(PyList_Check(list)); |
|
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|
4144 i = PyList_GET_SIZE(list); |
|
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changeset
|
4145 while (--i >= 0) { |
|
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changeset
|
4146 ref = PyList_GET_ITEM(list, i); |
|
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changeset
|
4147 assert(PyWeakref_CheckRef(ref)); |
|
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changeset
|
4148 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) { |
|
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changeset
|
4149 /* this can't fail, right? */ |
|
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changeset
|
4150 PySequence_DelItem(list, i); |
|
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|
4151 return; |
|
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|
4152 } |
|
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changeset
|
4153 } |
| 26421 | 4154 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4155 |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4156 static int |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4157 check_num_args(PyObject *ob, int n) |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4158 { |
|
61465
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|
4159 if (!PyTuple_CheckExact(ob)) { |
|
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changeset
|
4160 PyErr_SetString(PyExc_SystemError, |
|
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changeset
|
4161 "PyArg_UnpackTuple() argument list is not a tuple"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4162 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4163 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4164 if (n == PyTuple_GET_SIZE(ob)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4165 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4166 PyErr_Format( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4167 PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4168 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4169 return 0; |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4170 } |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4171 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4172 /* 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
|
4173 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4174 /* There's a wrapper *function* for each distinct function typedef used |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4175 for type object slots (e.g. binaryfunc, ternaryfunc, etc.). There's a |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4176 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
|
4177 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
|
4178 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
|
4179 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4180 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4181 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
|
4182 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4183 lenfunc func = (lenfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4184 Py_ssize_t res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4185 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4186 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4187 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4188 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4189 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4190 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4191 return PyInt_FromLong((long)res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4192 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4193 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4194 static PyObject * |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4195 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
|
4196 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4197 inquiry func = (inquiry)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4198 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4199 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4200 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4201 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4202 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4203 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4204 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4205 return PyBool_FromLong((long)res); |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4206 } |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4207 |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4208 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4209 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
|
4210 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4211 binaryfunc func = (binaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4212 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4213 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4214 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4215 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4216 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4217 return (*func)(self, other); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4218 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4219 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4220 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
|
4221 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
|
4222 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4223 binaryfunc func = (binaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4224 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4225 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4226 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4227 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4228 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4229 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4230 !PyType_IsSubtype(other->ob_type, self->ob_type)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4231 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4232 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4233 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4234 return (*func)(self, other); |
|
20328
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4235 } |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4236 |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4237 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4238 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
|
4239 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4240 binaryfunc func = (binaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4241 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4242 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4243 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4244 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4245 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4246 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4247 !PyType_IsSubtype(other->ob_type, self->ob_type)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4248 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4249 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4250 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4251 return (*func)(other, self); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4252 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4253 |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4254 static PyObject * |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4255 wrap_coercefunc(PyObject *self, PyObject *args, void *wrapped) |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4256 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4257 coercion func = (coercion)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4258 PyObject *other, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4259 int ok; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4260 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4261 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4262 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4263 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4264 ok = func(&self, &other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4265 if (ok < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4266 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4267 if (ok > 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4268 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4269 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4270 } |
|
e38335d4df91
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4271 res = PyTuple_New(2); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4272 if (res == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4273 Py_DECREF(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4274 Py_DECREF(other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4275 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4276 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4277 PyTuple_SET_ITEM(res, 0, self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4278 PyTuple_SET_ITEM(res, 1, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4279 return res; |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4280 } |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4281 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4282 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4283 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
|
4284 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4285 ternaryfunc func = (ternaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4286 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4287 PyObject *third = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4288 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4289 /* Note: This wrapper only works for __pow__() */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4290 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4291 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4292 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4293 return (*func)(self, other, third); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4294 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4295 |
|
20168
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4296 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
|
4297 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
|
4298 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4299 ternaryfunc func = (ternaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4300 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4301 PyObject *third = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4302 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4303 /* Note: This wrapper only works for __pow__() */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4304 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4305 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4306 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4307 return (*func)(other, self, third); |
|
20168
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4308 } |
|
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4309 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4310 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4311 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
|
4312 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4313 unaryfunc func = (unaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4314 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4315 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4316 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4317 return (*func)(self); |
|
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 * |
|
37308
aaa04bfafc58
Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents:
37304
diff
changeset
|
4321 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
|
4322 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4323 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4324 PyObject* o; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4325 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4326 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4327 if (!PyArg_UnpackTuple(args, "", 1, 1, &o)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4328 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4329 i = PyNumber_AsSsize_t(o, PyExc_OverflowError); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4330 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4331 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4332 return (*func)(self, i); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4333 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4334 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4335 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
|
4336 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
|
4337 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4338 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4339 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4340 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4341 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4342 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4343 if (i < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4344 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4345 if (sq && sq->sq_length) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4346 Py_ssize_t n = (*sq->sq_length)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4347 if (n < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4348 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4349 i += n; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4350 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4351 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4352 return i; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4353 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4354 |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4355 static PyObject * |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4356 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
|
4357 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4358 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4359 PyObject *arg; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4360 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4361 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4362 if (PyTuple_GET_SIZE(args) == 1) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4363 arg = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4364 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4365 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4366 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4367 return (*func)(self, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4368 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4369 check_num_args(args, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4370 assert(PyErr_Occurred()); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4371 return NULL; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4372 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4373 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4374 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4375 wrap_ssizessizeargfunc(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
|
4376 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4377 ssizessizeargfunc func = (ssizessizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4378 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4379 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4380 if (!PyArg_ParseTuple(args, "nn", &i, &j)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4381 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4382 return (*func)(self, i, j); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4383 } |
|
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 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4386 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
|
4387 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4388 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4389 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4390 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4391 PyObject *arg, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4392 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4393 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4394 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4395 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4396 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4397 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4398 res = (*func)(self, i, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4399 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4400 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4401 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4402 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4403 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4404 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4405 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4406 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
|
4407 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4408 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4409 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4410 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4411 PyObject *arg; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4412 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4413 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4414 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4415 arg = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4416 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4417 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4418 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4419 res = (*func)(self, i, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4420 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4421 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4422 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4423 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4424 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4425 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4426 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4427 wrap_ssizessizeobjargproc(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
|
4428 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4429 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4430 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4431 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4432 PyObject *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4433 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4434 if (!PyArg_ParseTuple(args, "nnO", &i, &j, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4435 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4436 res = (*func)(self, i, j, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4437 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4438 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4439 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4440 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4441 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4442 |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4443 static PyObject * |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4444 wrap_delslice(PyObject *self, PyObject *args, void *wrapped) |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4445 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4446 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4447 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4448 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4449 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4450 if (!PyArg_ParseTuple(args, "nn", &i, &j)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4451 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4452 res = (*func)(self, i, j, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4453 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4454 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4455 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4456 return Py_None; |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4457 } |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4458 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4459 /* 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
|
4460 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4461 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
|
4462 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4463 objobjproc func = (objobjproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4464 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4465 PyObject *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4466 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4467 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4468 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4469 value = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4470 res = (*func)(self, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4471 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4472 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4473 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4474 return PyBool_FromLong(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4475 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4476 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4477 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4478 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
|
4479 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4480 objobjargproc func = (objobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4481 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4482 PyObject *key, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4483 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4484 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4485 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4486 res = (*func)(self, key, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4487 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4488 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4489 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4490 return Py_None; |
|
18933
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 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4493 static PyObject * |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4494 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
|
4495 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4496 objobjargproc func = (objobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4497 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4498 PyObject *key; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4499 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4500 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4501 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4502 key = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4503 res = (*func)(self, key, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4504 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4505 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4506 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4507 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4508 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4509 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4510 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4511 wrap_cmpfunc(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4512 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4513 cmpfunc func = (cmpfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4514 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4515 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4516 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4517 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4518 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4519 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4520 if (Py_TYPE(other)->tp_compare != func && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4521 !PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self))) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4522 PyErr_Format( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4523 PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4524 "%s.__cmp__(x,y) requires y to be a '%s', not a '%s'", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4525 Py_TYPE(self)->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4526 Py_TYPE(self)->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4527 Py_TYPE(other)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4528 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4529 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4530 res = (*func)(self, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4531 if (PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4532 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4533 return PyInt_FromLong((long)res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4534 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4535 |
|
28608
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4536 /* 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
|
4537 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
|
4538 static int |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4539 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
|
4540 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4541 PyTypeObject *type = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4542 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4543 type = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4544 /* If type is NULL now, this is a really weird type. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4545 In the spirit of backwards compatibility (?), just shut up. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4546 if (type && type->tp_setattro != func) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4547 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4548 "can't apply this %s to %s object", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4549 what, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4550 type->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4551 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4552 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4553 return 1; |
|
28608
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4554 } |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4555 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4556 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4557 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
|
4558 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4559 setattrofunc func = (setattrofunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4560 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4561 PyObject *name, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4562 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4563 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4564 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4565 if (!hackcheck(self, func, "__setattr__")) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4566 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4567 res = (*func)(self, name, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4568 if (res < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4569 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4570 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4571 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4572 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4573 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4574 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4575 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
|
4576 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4577 setattrofunc func = (setattrofunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4578 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4579 PyObject *name; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4580 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4581 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4582 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4583 name = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4584 if (!hackcheck(self, func, "__delattr__")) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4585 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4586 res = (*func)(self, name, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4587 if (res < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4588 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4589 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4590 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4591 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4592 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4593 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4594 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
|
4595 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4596 hashfunc func = (hashfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4597 long res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4598 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4599 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4600 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4601 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4602 if (res == -1 && PyErr_Occurred()) |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4603 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4604 return PyInt_FromLong(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4605 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4606 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4607 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
|
4608 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
|
4609 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4610 ternaryfunc func = (ternaryfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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|
4611 |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4612 return (*func)(self, args, kwds); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4613 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4614 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4615 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4616 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
|
4617 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4618 richcmpfunc func = (richcmpfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4619 PyObject *other; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4620 |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4621 if (!check_num_args(args, 1)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4622 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4623 other = PyTuple_GET_ITEM(args, 0); |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4624 return (*func)(self, other, op); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4625 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4626 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4627 #undef RICHCMP_WRAPPER |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
4628 #define RICHCMP_WRAPPER(NAME, OP) \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4629 static PyObject * \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4630 richcmp_##NAME(PyObject *self, PyObject *args, void *wrapped) \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4631 { \ |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4632 return wrap_richcmpfunc(self, args, wrapped, OP); \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4633 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4634 |
|
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
|
4635 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
|
4636 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
|
4637 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
|
4638 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
|
4639 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
|
4640 RICHCMP_WRAPPER(ge, Py_GE) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4641 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4642 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4643 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
|
4644 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4645 unaryfunc func = (unaryfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4646 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4647 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4648 if (!check_num_args(args, 0)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4649 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4650 res = (*func)(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4651 if (res == NULL && !PyErr_Occurred()) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4652 PyErr_SetNone(PyExc_StopIteration); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4653 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4654 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4655 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4656 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4657 wrap_descr_get(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4658 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4659 descrgetfunc func = (descrgetfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4660 PyObject *obj; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4661 PyObject *type = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4662 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4663 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4664 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4665 if (obj == Py_None) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4666 obj = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4667 if (type == Py_None) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4668 type = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4669 if (type == NULL &&obj == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4670 PyErr_SetString(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4671 "__get__(None, None) is invalid"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4672 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4673 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4674 return (*func)(self, obj, type); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4675 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4676 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4677 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
|
4678 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
|
4679 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4680 descrsetfunc func = (descrsetfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4681 PyObject *obj, *value; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4682 int ret; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4683 |
|
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changeset
|
4684 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4685 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4686 ret = (*func)(self, obj, value); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4687 if (ret < 0) |
|
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|
4688 return NULL; |
|
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|
4689 Py_INCREF(Py_None); |
|
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|
4690 return Py_None; |
|
18933
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4691 } |
|
24614
40eb80dc4250
Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents:
24460
diff
changeset
|
4692 |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4693 static PyObject * |
|
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4694 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
|
4695 { |
|
61465
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|
4696 descrsetfunc func = (descrsetfunc)wrapped; |
|
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|
4697 PyObject *obj; |
|
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|
4698 int ret; |
|
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|
4699 |
|
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|
4700 if (!check_num_args(args, 1)) |
|
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|
4701 return NULL; |
|
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changeset
|
4702 obj = PyTuple_GET_ITEM(args, 0); |
|
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|
4703 ret = (*func)(self, obj, NULL); |
|
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|
4704 if (ret < 0) |
|
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|
4705 return NULL; |
|
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|
4706 Py_INCREF(Py_None); |
|
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|
4707 return Py_None; |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4708 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
4709 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
4710 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
|
4711 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:
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diff
changeset
|
4712 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4713 initproc func = (initproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4714 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4715 if (func(self, args, kwds) < 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4716 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4717 Py_INCREF(Py_None); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4718 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4719 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4720 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4721 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
|
4722 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
|
4723 { |
|
61465
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diff
changeset
|
4724 PyTypeObject *type, *subtype, *staticbase; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4725 PyObject *arg0, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4726 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4727 if (self == NULL || !PyType_Check(self)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4728 Py_FatalError("__new__() called with non-type 'self'"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4729 type = (PyTypeObject *)self; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4730 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4731 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4732 "%s.__new__(): not enough arguments", |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4733 type->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4734 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4735 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4736 arg0 = PyTuple_GET_ITEM(args, 0); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4737 if (!PyType_Check(arg0)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4738 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4739 "%s.__new__(X): X is not a type object (%s)", |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4740 type->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4741 Py_TYPE(arg0)->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4742 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4743 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4744 subtype = (PyTypeObject *)arg0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4745 if (!PyType_IsSubtype(subtype, type)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4746 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4747 "%s.__new__(%s): %s is not a subtype of %s", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4748 type->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4749 subtype->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4750 subtype->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4751 type->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4752 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4753 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4754 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4755 /* Check that the use doesn't do something silly and unsafe like |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4756 object.__new__(dict). To do this, we check that the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4757 most derived base that's not a heap type is this type. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4758 staticbase = subtype; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4759 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4760 staticbase = staticbase->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4761 /* If staticbase is NULL now, it is a really weird type. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4762 In the spirit of backwards compatibility (?), just shut up. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4763 if (staticbase && staticbase->tp_new != type->tp_new) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4764 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4765 "%s.__new__(%s) is not safe, use %s.__new__()", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4766 type->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4767 subtype->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4768 staticbase == NULL ? "?" : staticbase->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4769 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4770 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4771 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4772 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4773 if (args == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4774 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4775 res = type->tp_new(subtype, args, kwds); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4776 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4777 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4778 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4779 |
|
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
|
4780 static struct PyMethodDef tp_new_methoddef[] = { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4781 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4782 PyDoc_STR("T.__new__(S, ...) -> " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4783 "a new object with type S, a subtype of T")}, |
|
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changeset
|
4784 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4785 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4786 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4787 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
|
4788 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
|
4789 { |
|
61465
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changeset
|
4790 PyObject *func; |
|
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|
4791 |
|
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|
4792 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL) |
|
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|
4793 return 0; |
|
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changeset
|
4794 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type); |
|
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|
4795 if (func == NULL) |
|
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changeset
|
4796 return -1; |
|
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|
4797 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) { |
|
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|
4798 Py_DECREF(func); |
|
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|
4799 return -1; |
|
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|
4800 } |
|
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|
4801 Py_DECREF(func); |
|
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|
4802 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
|
4803 } |
|
c1daa94c21d8
A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents:
18941
diff
changeset
|
4804 |
| 19036 | 4805 /* Slot wrappers that call the corresponding __foo__ slot. See comments |
| 4806 below at override_slots() for more explanation. */ | |
|
18933
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Tim Peters <tim.peters@gmail.com>
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diff
changeset
|
4807 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4808 #define SLOT0(FUNCNAME, OPSTR) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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diff
changeset
|
4809 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4810 FUNCNAME(PyObject *self) \ |
|
18933
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Merge of descr-branch back into trunk.
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|
4811 { \ |
|
61465
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|
4812 static PyObject *cache_str; \ |
|
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|
4813 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
|
4814 } |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4815 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4816 #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
|
4817 static PyObject * \ |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4818 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
|
4819 { \ |
|
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diff
changeset
|
4820 static PyObject *cache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4821 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
|
4822 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4823 |
|
27124
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4824 /* 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
|
4825 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
|
4826 static int |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4827 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
|
4828 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4829 PyObject *a, *b; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4830 int ok; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4831 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4832 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4833 if (b == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4834 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4835 /* If right doesn't have it, it's not overloaded */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4836 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4837 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4838 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4839 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4840 if (a == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4841 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4842 Py_DECREF(b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4843 /* If right has it but left doesn't, it's overloaded */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4844 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4845 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4846 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4847 ok = PyObject_RichCompareBool(a, b, Py_NE); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4848 Py_DECREF(a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4849 Py_DECREF(b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4850 if (ok < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4851 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4852 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4853 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4854 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4855 return ok; |
|
27124
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4856 } |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4857 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4858 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4859 #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
|
4860 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4861 FUNCNAME(PyObject *self, PyObject *other) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4862 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4863 static PyObject *cache_str, *rcache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4864 int do_other = Py_TYPE(self) != Py_TYPE(other) && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4865 Py_TYPE(other)->tp_as_number != NULL && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4866 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4867 if (Py_TYPE(self)->tp_as_number != NULL && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4868 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4869 PyObject *r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4870 if (do_other && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4871 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4872 method_is_overloaded(self, other, ROPSTR)) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4873 r = call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4874 other, ROPSTR, &rcache_str, "(O)", self); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4875 if (r != Py_NotImplemented) \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4876 return r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4877 Py_DECREF(r); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4878 do_other = 0; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4879 } \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4880 r = call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4881 self, OPSTR, &cache_str, "(O)", other); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4882 if (r != Py_NotImplemented || \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4883 Py_TYPE(other) == Py_TYPE(self)) \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4884 return r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4885 Py_DECREF(r); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4886 } \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4887 if (do_other) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4888 return call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4889 other, ROPSTR, &rcache_str, "(O)", self); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4890 } \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4891 Py_INCREF(Py_NotImplemented); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4892 return Py_NotImplemented; \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4893 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4894 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4895 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4896 SLOT1BINFULL(FUNCNAME, FUNCNAME, SLOTNAME, OPSTR, ROPSTR) |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4897 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4898 #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
|
4899 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4900 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
|
4901 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4902 static PyObject *cache_str; \ |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4903 return call_method(self, OPSTR, &cache_str, \ |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4904 "(" ARGCODES ")", arg1, arg2); \ |
|
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 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4907 static Py_ssize_t |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4908 slot_sq_length(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4909 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4910 static PyObject *len_str; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4911 PyObject *res = call_method(self, "__len__", &len_str, "()"); |
|
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changeset
|
4912 Py_ssize_t len; |
|
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|
4913 |
|
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changeset
|
4914 if (res == NULL) |
|
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changeset
|
4915 return -1; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4916 len = PyInt_AsSsize_t(res); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4917 Py_DECREF(res); |
|
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changeset
|
4918 if (len < 0) { |
|
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changeset
|
4919 if (!PyErr_Occurred()) |
|
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changeset
|
4920 PyErr_SetString(PyExc_ValueError, |
|
e38335d4df91
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changeset
|
4921 "__len__() should return >= 0"); |
|
e38335d4df91
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changeset
|
4922 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4923 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4924 return len; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4925 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4926 |
|
20229
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
4927 /* 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
|
4928 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
|
4929 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4930 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
|
4931 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4932 static PyObject *getitem_str; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4933 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4934 descrgetfunc f; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4935 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4936 if (getitem_str == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4937 getitem_str = PyString_InternFromString("__getitem__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4938 if (getitem_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4939 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4940 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4941 func = _PyType_Lookup(Py_TYPE(self), getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4942 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4943 if ((f = Py_TYPE(func)->tp_descr_get) == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4944 Py_INCREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4945 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4946 func = f(func, self, (PyObject *)(Py_TYPE(self))); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4947 if (func == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4948 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4949 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4950 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4951 ival = PyInt_FromSsize_t(i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4952 if (ival != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4953 args = PyTuple_New(1); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4954 if (args != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4955 PyTuple_SET_ITEM(args, 0, ival); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4956 retval = PyObject_Call(func, args, NULL); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4957 Py_XDECREF(args); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4958 Py_XDECREF(func); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4959 return retval; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4960 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4961 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4962 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
4963 else { |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4964 PyErr_SetObject(PyExc_AttributeError, getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4965 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4966 Py_XDECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4967 Py_XDECREF(ival); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4968 Py_XDECREF(func); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4969 return NULL; |
|
20229
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
4970 } |
|
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
4971 |
|
48854
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
4972 static PyObject* |
|
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
4973 slot_sq_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j) |
|
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
4974 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4975 static PyObject *getslice_str; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4976 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4977 if (PyErr_WarnPy3k("in 3.x, __getslice__ has been removed; " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4978 "use __getitem__", 1) < 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4979 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4980 return call_method(self, "__getslice__", &getslice_str, |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4981 "nn", i, j); |
|
48854
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
4982 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4983 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4984 static int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4985 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
|
4986 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4987 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4988 static PyObject *delitem_str, *setitem_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4989 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4990 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4991 res = call_method(self, "__delitem__", &delitem_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4992 "(n)", index); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4993 else |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4994 res = call_method(self, "__setitem__", &setitem_str, |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4995 "(nO)", index, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4996 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4997 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4998 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4999 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5000 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5001 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5002 static int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5003 slot_sq_ass_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j, PyObject *value) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5004 { |
|
61465
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diff
changeset
|
5005 PyObject *res; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5006 static PyObject *delslice_str, *setslice_str; |
|
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|
5007 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5008 if (value == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5009 if (PyErr_WarnPy3k("in 3.x, __delslice__ has been removed; " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5010 "use __delitem__", 1) < 0) |
|
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changeset
|
5011 return -1; |
|
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changeset
|
5012 res = call_method(self, "__delslice__", &delslice_str, |
|
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|
5013 "(nn)", i, j); |
|
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|
5014 } |
|
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|
5015 else { |
|
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changeset
|
5016 if (PyErr_WarnPy3k("in 3.x, __setslice__ has been removed; " |
|
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changeset
|
5017 "use __setitem__", 1) < 0) |
|
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|
5018 return -1; |
|
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changeset
|
5019 res = call_method(self, "__setslice__", &setslice_str, |
|
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|
5020 "(nnO)", i, j, value); |
|
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|
5021 } |
|
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|
5022 if (res == NULL) |
|
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|
5023 return -1; |
|
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changeset
|
5024 Py_DECREF(res); |
|
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changeset
|
5025 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5026 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5027 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5028 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5029 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
|
5030 { |
|
61465
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changeset
|
5031 PyObject *func, *res, *args; |
|
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changeset
|
5032 int result = -1; |
|
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|
5033 |
|
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changeset
|
5034 static PyObject *contains_str; |
|
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|
5035 |
|
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diff
changeset
|
5036 func = lookup_maybe(self, "__contains__", &contains_str); |
|
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|
5037 if (func != NULL) { |
|
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|
5038 args = PyTuple_Pack(1, value); |
|
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|
5039 if (args == NULL) |
|
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|
5040 res = NULL; |
|
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|
5041 else { |
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|
5042 res = PyObject_Call(func, args, NULL); |
|
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|
5043 Py_DECREF(args); |
|
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|
5044 } |
|
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|
5045 Py_DECREF(func); |
|
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|
5046 if (res != NULL) { |
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|
5047 result = PyObject_IsTrue(res); |
|
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|
5048 Py_DECREF(res); |
|
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|
5049 } |
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|
5050 } |
|
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|
5051 else if (! PyErr_Occurred()) { |
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|
5052 /* Possible results: -1 and 1 */ |
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|
5053 result = (int)_PySequence_IterSearch(self, value, |
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|
5054 PY_ITERSEARCH_CONTAINS); |
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5055 } |
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|
5056 return result; |
|
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Tim Peters <tim.peters@gmail.com>
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5057 } |
|
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|
5058 |
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|
5059 #define slot_mp_length slot_sq_length |
|
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5060 |
|
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Guido van Rossum <guido@python.org>
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|
5061 SLOT1(slot_mp_subscript, "__getitem__", PyObject *, "O") |
|
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5062 |
|
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|
5063 static int |
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|
5064 slot_mp_ass_subscript(PyObject *self, PyObject *key, PyObject *value) |
|
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5065 { |
|
61465
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|
5066 PyObject *res; |
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|
5067 static PyObject *delitem_str, *setitem_str; |
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|
5068 |
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|
5069 if (value == NULL) |
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5070 res = call_method(self, "__delitem__", &delitem_str, |
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|
5071 "(O)", key); |
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|
5072 else |
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|
5073 res = call_method(self, "__setitem__", &setitem_str, |
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|
5074 "(OO)", key, value); |
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|
5075 if (res == NULL) |
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|
5076 return -1; |
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|
5077 Py_DECREF(res); |
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|
5078 return 0; |
|
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|
5079 } |
|
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Tim Peters <tim.peters@gmail.com>
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|
5080 |
|
19082
88d124c74766
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Guido van Rossum <guido@python.org>
parents:
19070
diff
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|
5081 SLOT1BIN(slot_nb_add, nb_add, "__add__", "__radd__") |
|
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|
5082 SLOT1BIN(slot_nb_subtract, nb_subtract, "__sub__", "__rsub__") |
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|
5083 SLOT1BIN(slot_nb_multiply, nb_multiply, "__mul__", "__rmul__") |
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|
5084 SLOT1BIN(slot_nb_divide, nb_divide, "__div__", "__rdiv__") |
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|
5085 SLOT1BIN(slot_nb_remainder, nb_remainder, "__mod__", "__rmod__") |
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|
5086 SLOT1BIN(slot_nb_divmod, nb_divmod, "__divmod__", "__rdivmod__") |
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Guido van Rossum <guido@python.org>
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|
5087 |
|
24280
1598a1e473e2
staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24250
diff
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|
5088 static PyObject *slot_nb_power(PyObject *, PyObject *, PyObject *); |
|
19082
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|
5089 |
|
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Guido van Rossum <guido@python.org>
parents:
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|
5090 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power, |
|
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|
5091 nb_power, "__pow__", "__rpow__") |
|
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|
5092 |
|
88d124c74766
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Guido van Rossum <guido@python.org>
parents:
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|
5093 static PyObject * |
|
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Guido van Rossum <guido@python.org>
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|
5094 slot_nb_power(PyObject *self, PyObject *other, PyObject *modulus) |
|
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Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
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|
5095 { |
|
61465
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|
5096 static PyObject *pow_str; |
|
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|
5097 |
|
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|
5098 if (modulus == Py_None) |
|
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|
5099 return slot_nb_power_binary(self, other); |
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|
5100 /* Three-arg power doesn't use __rpow__. But ternary_op |
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|
5101 can call this when the second argument's type uses |
|
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|
5102 slot_nb_power, so check before calling self.__pow__. */ |
|
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|
5103 if (Py_TYPE(self)->tp_as_number != NULL && |
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|
5104 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) { |
|
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|
5105 return call_method(self, "__pow__", &pow_str, |
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|
5106 "(OO)", other, modulus); |
|
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|
5107 } |
|
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|
5108 Py_INCREF(Py_NotImplemented); |
|
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|
5109 return Py_NotImplemented; |
|
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Guido van Rossum <guido@python.org>
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|
5110 } |
|
88d124c74766
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Guido van Rossum <guido@python.org>
parents:
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diff
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|
5111 |
|
88d124c74766
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Guido van Rossum <guido@python.org>
parents:
19070
diff
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|
5112 SLOT0(slot_nb_negative, "__neg__") |
|
88d124c74766
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Guido van Rossum <guido@python.org>
parents:
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|
5113 SLOT0(slot_nb_positive, "__pos__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
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diff
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|
5114 SLOT0(slot_nb_absolute, "__abs__") |
|
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
5115 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
5116 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
5117 slot_nb_nonzero(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
5118 { |
|
61465
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|
5119 PyObject *func, *args; |
|
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|
5120 static PyObject *nonzero_str, *len_str; |
|
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|
5121 int result = -1; |
|
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|
5122 int using_len = 0; |
|
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|
5123 |
|
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|
5124 func = lookup_maybe(self, "__nonzero__", &nonzero_str); |
|
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|
5125 if (func == NULL) { |
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|
5126 if (PyErr_Occurred()) |
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|
5127 return -1; |
|
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|
5128 func = lookup_maybe(self, "__len__", &len_str); |
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|
5129 if (func == NULL) |
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|
5130 return PyErr_Occurred() ? -1 : 1; |
|
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|
5131 using_len = 1; |
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|
5132 } |
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|
5133 args = PyTuple_New(0); |
|
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|
5134 if (args != NULL) { |
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|
5135 PyObject *temp = PyObject_Call(func, args, NULL); |
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|
5136 Py_DECREF(args); |
|
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|
5137 if (temp != NULL) { |
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5138 if (PyInt_CheckExact(temp) || PyBool_Check(temp)) |
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|
5139 result = PyObject_IsTrue(temp); |
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5140 else { |
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|
5141 PyErr_Format(PyExc_TypeError, |
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|
5142 "%s should return " |
|
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|
5143 "bool or int, returned %s", |
|
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|
5144 (using_len ? "__len__" |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5145 : "__nonzero__"), |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5146 temp->ob_type->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5147 result = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5148 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5149 Py_DECREF(temp); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5150 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5151 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5152 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5153 return result; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5154 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5155 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5156 |
|
39463
6cafdc81cfde
Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents:
39415
diff
changeset
|
5157 static PyObject * |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5158 slot_nb_index(PyObject *self) |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5159 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5160 static PyObject *index_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5161 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
|
5162 } |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5163 |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5164 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5165 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
|
5166 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
|
5167 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
|
5168 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
|
5169 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
|
5170 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
|
5171 |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5172 static int |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5173 slot_nb_coerce(PyObject **a, PyObject **b) |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5174 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5175 static PyObject *coerce_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5176 PyObject *self = *a, *other = *b; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5177 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5178 if (self->ob_type->tp_as_number != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5179 self->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5180 PyObject *r; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5181 r = call_maybe( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5182 self, "__coerce__", &coerce_str, "(O)", other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5183 if (r == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5184 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5185 if (r == Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5186 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5187 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5188 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5189 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5190 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5191 "__coerce__ didn't return a 2-tuple"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5192 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5193 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5194 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5195 *a = PyTuple_GET_ITEM(r, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5196 Py_INCREF(*a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5197 *b = PyTuple_GET_ITEM(r, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5198 Py_INCREF(*b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5199 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5200 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5201 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5202 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5203 if (other->ob_type->tp_as_number != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5204 other->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5205 PyObject *r; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5206 r = call_maybe( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5207 other, "__coerce__", &coerce_str, "(O)", self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5208 if (r == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5209 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5210 if (r == Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5211 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5212 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5213 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5214 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5215 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5216 "__coerce__ didn't return a 2-tuple"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5217 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5218 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5219 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5220 *a = PyTuple_GET_ITEM(r, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5221 Py_INCREF(*a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5222 *b = PyTuple_GET_ITEM(r, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5223 Py_INCREF(*b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5224 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5225 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5226 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5227 return 1; |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5228 } |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5229 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5230 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
|
5231 SLOT0(slot_nb_long, "__long__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5232 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
|
5233 SLOT0(slot_nb_oct, "__oct__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5234 SLOT0(slot_nb_hex, "__hex__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5235 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
|
5236 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
|
5237 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
|
5238 SLOT1(slot_nb_inplace_divide, "__idiv__", PyObject *, "O") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5239 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O") |
|
40778
83efff4d5ae9
Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents:
40705
diff
changeset
|
5240 /* Can't use SLOT1 here, because nb_inplace_power is ternary */ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5241 static PyObject * |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5242 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5243 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5244 static PyObject *cache_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5245 return call_method(self, "__ipow__", &cache_str, "(" "O" ")", arg1); |
|
40778
83efff4d5ae9
Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents:
40705
diff
changeset
|
5246 } |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5247 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
|
5248 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
|
5249 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
|
5250 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
|
5251 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
|
5252 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide, |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5253 "__floordiv__", "__rfloordiv__") |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5254 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
|
5255 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
|
5256 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
|
5257 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5258 static int |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5259 half_compare(PyObject *self, PyObject *other) |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5260 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5261 PyObject *func, *args, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5262 static PyObject *cmp_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5263 Py_ssize_t c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5264 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5265 func = lookup_method(self, "__cmp__", &cmp_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5266 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5267 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5268 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5269 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5270 args = PyTuple_Pack(1, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5271 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5272 res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5273 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5274 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5275 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5276 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5277 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5278 if (res != Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5279 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5280 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5281 c = PyInt_AsLong(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5282 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5283 if (c == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5284 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5285 return (c < 0) ? -1 : (c > 0) ? 1 : 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5286 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5287 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5288 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5289 return 2; |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5290 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5291 |
|
19970
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5292 /* This slot is published for the benefit of try_3way_compare in object.c */ |
|
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5293 int |
|
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5294 _PyObject_SlotCompare(PyObject *self, PyObject *other) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5295 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5296 int c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5297 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5298 if (Py_TYPE(self)->tp_compare == _PyObject_SlotCompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5299 c = half_compare(self, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5300 if (c <= 1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5301 return c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5302 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5303 if (Py_TYPE(other)->tp_compare == _PyObject_SlotCompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5304 c = half_compare(other, self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5305 if (c < -1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5306 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5307 if (c <= 1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5308 return -c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5309 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5310 return (void *)self < (void *)other ? -1 : |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5311 (void *)self > (void *)other ? 1 : 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5312 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5313 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5314 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5315 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
|
5316 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5317 PyObject *func, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5318 static PyObject *repr_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5319 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5320 func = lookup_method(self, "__repr__", &repr_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5321 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5322 res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5323 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5324 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5325 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5326 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5327 return PyString_FromFormat("<%s object at %p>", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5328 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
|
5329 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5330 |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5331 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5332 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
|
5333 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5334 PyObject *func, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5335 static PyObject *str_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5336 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5337 func = lookup_method(self, "__str__", &str_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5338 if (func != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5339 res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5340 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5341 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5342 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5343 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5344 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5345 return slot_tp_repr(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5346 } |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5347 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5348 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5349 static long |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5350 slot_tp_hash(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5351 { |
|
61465
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diff
changeset
|
5352 PyObject *func; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5353 static PyObject *hash_str, *eq_str, *cmp_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5354 long h; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5355 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5356 func = lookup_method(self, "__hash__", &hash_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5357 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5358 if (func != NULL && func != Py_None) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5359 PyObject *res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5360 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5361 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5362 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5363 if (PyLong_Check(res)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5364 h = PyLong_Type.tp_hash(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5365 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5366 h = PyInt_AsLong(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5367 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5368 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5369 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5370 Py_XDECREF(func); /* may be None */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5371 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5372 func = lookup_method(self, "__eq__", &eq_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5373 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5374 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5375 func = lookup_method(self, "__cmp__", &cmp_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5376 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5377 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5378 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5379 return PyObject_HashNotImplemented(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5380 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5381 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5382 h = _Py_HashPointer((void *)self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5383 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5384 if (h == -1 && !PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5385 h = -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5386 return h; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5387 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5388 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5389 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5390 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
|
5391 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5392 static PyObject *call_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5393 PyObject *meth = lookup_method(self, "__call__", &call_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5394 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5395 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5396 if (meth == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5397 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5398 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5399 res = PyObject_Call(meth, args, kwds); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5400 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5401 Py_DECREF(meth); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5402 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5403 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5404 |
|
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
|
5405 /* 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
|
5406 |
|
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
|
5407 - 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
|
5408 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
|
5409 |
|
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
|
5410 - 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
|
5411 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
5412 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
|
5413 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
|
5414 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
|
5415 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5416 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5417 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
|
5418 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5419 static PyObject *getattribute_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5420 return call_method(self, "__getattribute__", &getattribute_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5421 "(O)", name); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5422 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5423 |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5424 static PyObject * |
|
49745
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5425 call_attribute(PyObject *self, PyObject *attr, PyObject *name) |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5426 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5427 PyObject *res, *descr = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5428 descrgetfunc f = Py_TYPE(attr)->tp_descr_get; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5429 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5430 if (f != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5431 descr = f(attr, self, (PyObject *)(Py_TYPE(self))); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5432 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5433 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5434 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5435 attr = descr; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5436 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5437 res = PyObject_CallFunctionObjArgs(attr, name, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5438 Py_XDECREF(descr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5439 return res; |
|
49745
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5440 } |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5441 |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5442 static PyObject * |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5443 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
|
5444 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5445 PyTypeObject *tp = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5446 PyObject *getattr, *getattribute, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5447 static PyObject *getattribute_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5448 static PyObject *getattr_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5449 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5450 if (getattr_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5451 getattr_str = PyString_InternFromString("__getattr__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5452 if (getattr_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5453 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5454 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5455 if (getattribute_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5456 getattribute_str = |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5457 PyString_InternFromString("__getattribute__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5458 if (getattribute_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5459 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5460 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5461 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5462 method fully for each attribute lookup for classes with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5463 __getattr__, even when the attribute is present. So we use |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5464 _PyType_Lookup and create the method only when needed, with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5465 call_attribute. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5466 getattr = _PyType_Lookup(tp, getattr_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5467 if (getattr == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5468 /* No __getattr__ hook: use a simpler dispatcher */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5469 tp->tp_getattro = slot_tp_getattro; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5470 return slot_tp_getattro(self, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5471 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5472 Py_INCREF(getattr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5473 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5474 method fully for each attribute lookup for classes with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5475 __getattr__, even when self has the default __getattribute__ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5476 method. So we use _PyType_Lookup and create the method only when |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5477 needed, with call_attribute. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5478 getattribute = _PyType_Lookup(tp, getattribute_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5479 if (getattribute == NULL || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5480 (Py_TYPE(getattribute) == &PyWrapperDescr_Type && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5481 ((PyWrapperDescrObject *)getattribute)->d_wrapped == |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5482 (void *)PyObject_GenericGetAttr)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5483 res = PyObject_GenericGetAttr(self, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5484 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5485 Py_INCREF(getattribute); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5486 res = call_attribute(self, getattribute, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5487 Py_DECREF(getattribute); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5488 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5489 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5490 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5491 res = call_attribute(self, getattr, name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
5492 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5493 Py_DECREF(getattr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5494 return res; |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5495 } |
|
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5496 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5497 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5498 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
|
5499 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5500 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5501 static PyObject *delattr_str, *setattr_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5502 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5503 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5504 res = call_method(self, "__delattr__", &delattr_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5505 "(O)", name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
5506 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5507 res = call_method(self, "__setattr__", &setattr_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5508 "(OO)", name, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5509 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5510 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5511 Py_DECREF(res); |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5512 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5513 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5514 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5515 static char *name_op[] = { |
|
44357
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5516 "__lt__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5517 "__le__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5518 "__eq__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5519 "__ne__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5520 "__gt__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5521 "__ge__", |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5522 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5523 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5524 static PyObject * |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5525 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
|
5526 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5527 PyObject *func, *args, *res; |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5528 static PyObject *op_str[6]; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5529 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5530 func = lookup_method(self, name_op[op], &op_str[op]); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5531 if (func == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5532 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5533 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5534 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5535 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5536 args = PyTuple_Pack(1, other); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5537 if (args == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5538 res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
5539 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5540 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5541 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5542 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5543 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5544 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5545 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5546 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5547 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5548 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
|
5549 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5550 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5551 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5552 if (Py_TYPE(self)->tp_richcompare == slot_tp_richcompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5553 res = half_richcompare(self, other, op); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5554 if (res != Py_NotImplemented) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5555 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5556 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5557 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5558 if (Py_TYPE(other)->tp_richcompare == slot_tp_richcompare) { |
|
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diff
changeset
|
5559 res = half_richcompare(other, self, _Py_SwappedOp[op]); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5560 if (res != Py_NotImplemented) { |
|
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changeset
|
5561 return res; |
|
e38335d4df91
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parents:
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diff
changeset
|
5562 } |
|
e38335d4df91
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diff
changeset
|
5563 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
5564 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5565 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5566 return Py_NotImplemented; |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5567 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5568 |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5569 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5570 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
|
5571 { |
|
61465
e38335d4df91
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changeset
|
5572 PyObject *func, *res; |
|
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changeset
|
5573 static PyObject *iter_str, *getitem_str; |
|
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changeset
|
5574 |
|
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5575 func = lookup_method(self, "__iter__", &iter_str); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5576 if (func != NULL) { |
|
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5577 PyObject *args; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5578 args = res = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5579 if (args != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5580 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5581 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5582 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5583 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5584 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5585 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5586 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5587 func = lookup_method(self, "__getitem__", &getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5588 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5589 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5590 "'%.200s' object is not iterable", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5591 Py_TYPE(self)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5592 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5593 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5594 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5595 return PySeqIter_New(self); |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5596 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5597 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5598 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5599 slot_tp_iternext(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5600 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5601 static PyObject *next_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5602 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
|
5603 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5604 |
|
19339
6130deeb4cc6
type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents:
19329
diff
changeset
|
5605 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
|
5606 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
|
5607 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5608 PyTypeObject *tp = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5609 PyObject *get; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5610 static PyObject *get_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5611 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5612 if (get_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5613 get_str = PyString_InternFromString("__get__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5614 if (get_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5615 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5616 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5617 get = _PyType_Lookup(tp, get_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5618 if (get == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5619 /* Avoid further slowdowns */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5620 if (tp->tp_descr_get == slot_tp_descr_get) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5621 tp->tp_descr_get = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5622 Py_INCREF(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5623 return self; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5624 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5625 if (obj == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5626 obj = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5627 if (type == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5628 type = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5629 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
|
5630 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5631 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5632 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5633 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
|
5634 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5635 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5636 static PyObject *del_str, *set_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5637 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5638 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5639 res = call_method(self, "__delete__", &del_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5640 "(O)", target); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5641 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5642 res = call_method(self, "__set__", &set_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
5643 "(OO)", target, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5644 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5645 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5646 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5647 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5648 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5649 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5650 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5651 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
|
5652 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5653 static PyObject *init_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5654 PyObject *meth = lookup_method(self, "__init__", &init_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5655 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5656 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5657 if (meth == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5658 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5659 res = PyObject_Call(meth, args, kwds); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5660 Py_DECREF(meth); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5661 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5662 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5663 if (res != Py_None) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5664 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5665 "__init__() should return None, not '%.200s'", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5666 Py_TYPE(res)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5667 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5668 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5669 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5670 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5671 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5672 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5673 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5674 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5675 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
|
5676 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5677 static PyObject *new_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5678 PyObject *func; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5679 PyObject *newargs, *x; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5680 Py_ssize_t i, n; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5681 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5682 if (new_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5683 new_str = PyString_InternFromString("__new__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5684 if (new_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5685 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5686 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5687 func = PyObject_GetAttr((PyObject *)type, new_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5688 if (func == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5689 return NULL; |
|
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|
5690 assert(PyTuple_Check(args)); |
|
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|
5691 n = PyTuple_GET_SIZE(args); |
|
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|
5692 newargs = PyTuple_New(n+1); |
|
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|
5693 if (newargs == NULL) |
|
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|
5694 return NULL; |
|
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|
5695 Py_INCREF(type); |
|
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|
5696 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type); |
|
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|
5697 for (i = 0; i < n; i++) { |
|
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|
5698 x = PyTuple_GET_ITEM(args, i); |
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|
5699 Py_INCREF(x); |
|
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|
5700 PyTuple_SET_ITEM(newargs, i+1, x); |
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|
5701 } |
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|
5702 x = PyObject_Call(func, newargs, kwds); |
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|
5703 Py_DECREF(newargs); |
|
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|
5704 Py_DECREF(func); |
|
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|
5705 return x; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
5706 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
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5707 |
|
24678
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
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|
5708 static void |
|
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|
5709 slot_tp_del(PyObject *self) |
|
71dca7c76fa2
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5710 { |
|
61465
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5711 static PyObject *del_str = NULL; |
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5712 PyObject *del, *res; |
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5713 PyObject *error_type, *error_value, *error_traceback; |
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5714 |
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|
5715 /* Temporarily resurrect the object. */ |
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5716 assert(self->ob_refcnt == 0); |
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5717 self->ob_refcnt = 1; |
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5718 |
|
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5719 /* Save the current exception, if any. */ |
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5720 PyErr_Fetch(&error_type, &error_value, &error_traceback); |
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5721 |
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5722 /* Execute __del__ method, if any. */ |
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5723 del = lookup_maybe(self, "__del__", &del_str); |
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5724 if (del != NULL) { |
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5725 res = PyEval_CallObject(del, NULL); |
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|
5726 if (res == NULL) |
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|
5727 PyErr_WriteUnraisable(del); |
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5728 else |
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|
5729 Py_DECREF(res); |
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5730 Py_DECREF(del); |
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5731 } |
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5732 |
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|
5733 /* Restore the saved exception. */ |
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5734 PyErr_Restore(error_type, error_value, error_traceback); |
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5735 |
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5736 /* Undo the temporary resurrection; can't use DECREF here, it would |
|
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|
5737 * cause a recursive call. |
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5738 */ |
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5739 assert(self->ob_refcnt > 0); |
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5740 if (--self->ob_refcnt == 0) |
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5741 return; /* this is the normal path out */ |
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5742 |
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|
5743 /* __del__ resurrected it! Make it look like the original Py_DECREF |
|
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|
5744 * never happened. |
|
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|
5745 */ |
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5746 { |
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5747 Py_ssize_t refcnt = self->ob_refcnt; |
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|
5748 _Py_NewReference(self); |
|
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5749 self->ob_refcnt = refcnt; |
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5750 } |
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|
5751 assert(!PyType_IS_GC(Py_TYPE(self)) || |
|
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|
5752 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED); |
|
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|
5753 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so |
|
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|
5754 * we need to undo that. */ |
|
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5755 _Py_DEC_REFTOTAL; |
|
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5756 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object |
|
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|
5757 * chain, so no more to do there. |
|
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|
5758 * If COUNT_ALLOCS, the original decref bumped tp_frees, and |
|
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5759 * _Py_NewReference bumped tp_allocs: both of those need to be |
|
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|
5760 * undone. |
|
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|
5761 */ |
|
24678
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
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parents:
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|
5762 #ifdef COUNT_ALLOCS |
|
61465
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5763 --Py_TYPE(self)->tp_frees; |
|
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5764 --Py_TYPE(self)->tp_allocs; |
|
24678
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
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|
5765 #endif |
|
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
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|
5766 } |
|
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
24653
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|
5767 |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
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diff
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|
5768 |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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parents:
20328
diff
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|
5769 /* 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:
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|
5770 functions. The offsets here are relative to the 'PyHeapTypeObject' |
|
28219
7c8e8807aed2
- The extended type structure used for heap types (new-style
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parents:
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|
5771 structure, which incorporates the additional structures used for numbers, |
|
7c8e8807aed2
- The extended type structure used for heap types (new-style
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parents:
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|
5772 sequences and mappings. |
|
7c8e8807aed2
- The extended type structure used for heap types (new-style
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parents:
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|
5773 Note that multiple names may map to the same slot (e.g. __eq__, |
|
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Halfway checkin. This is still messy, but it's beginning to address
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|
5774 __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
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|
5775 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
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|
5776 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
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parents:
22804
diff
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|
5777 sorted in init_slotdefs() below.) */ |
|
20343
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Halfway checkin. This is still messy, but it's beginning to address
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|
5778 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
5779 typedef struct wrapperbase slotdef; |
|
20343
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|
5780 |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5781 #undef TPSLOT |
|
20599
ff57a1a370b3
Methods of built-in types now properly check for keyword arguments
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parents:
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|
5782 #undef FLSLOT |
|
20343
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|
5783 #undef ETSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5784 #undef SQSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5785 #undef MPSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5786 #undef NBSLOT |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
5787 #undef UNSLOT |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
5788 #undef IBSLOT |
|
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|
5789 #undef BINSLOT |
|
7bd12270dc3e
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|
5790 #undef RBINSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5791 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
5792 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5793 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
|
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|
5794 PyDoc_STR(DOC)} |
|
20599
ff57a1a370b3
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20595
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|
5795 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \ |
|
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5796 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
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5797 PyDoc_STR(DOC), FLAGS} |
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5798 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5799 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
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5800 PyDoc_STR(DOC)} |
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5801 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5802 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC) |
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5803 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5804 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC) |
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5805 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5806 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC) |
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5807 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5808 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5809 "x." NAME "() <==> " DOC) |
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5810 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5811 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5812 "x." NAME "(y) <==> x" DOC "y") |
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5813 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
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5814 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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5815 "x." NAME "(y) <==> x" DOC "y") |
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5816 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
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5817 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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5818 "x." NAME "(y) <==> y" DOC "x") |
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5819 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5820 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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5821 "x." NAME "(y) <==> " DOC) |
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5822 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5823 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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5824 "x." NAME "(y) <==> " DOC) |
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5825 |
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5826 static slotdef slotdefs[] = { |
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5827 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc, |
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5828 "x.__len__() <==> len(x)"), |
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5829 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL. |
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5830 The logic in abstract.c always falls back to nb_add/nb_multiply in |
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5831 this case. Defining both the nb_* and the sq_* slots to call the |
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5832 user-defined methods has unexpected side-effects, as shown by |
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5833 test_descr.notimplemented() */ |
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5834 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc, |
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5835 "x.__add__(y) <==> x+y"), |
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5836 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc, |
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5837 "x.__mul__(n) <==> x*n"), |
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5838 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc, |
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5839 "x.__rmul__(n) <==> n*x"), |
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5840 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item, |
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5841 "x.__getitem__(y) <==> x[y]"), |
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5842 SQSLOT("__getslice__", sq_slice, slot_sq_slice, wrap_ssizessizeargfunc, |
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5843 "x.__getslice__(i, j) <==> x[i:j]\n\ |
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5844 \n\ |
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5845 Use of negative indices is not supported."), |
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5846 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem, |
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5847 "x.__setitem__(i, y) <==> x[i]=y"), |
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5848 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem, |
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5849 "x.__delitem__(y) <==> del x[y]"), |
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5850 SQSLOT("__setslice__", sq_ass_slice, slot_sq_ass_slice, |
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5851 wrap_ssizessizeobjargproc, |
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5852 "x.__setslice__(i, j, y) <==> x[i:j]=y\n\ |
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5853 \n\ |
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5854 Use of negative indices is not supported."), |
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5855 SQSLOT("__delslice__", sq_ass_slice, slot_sq_ass_slice, wrap_delslice, |
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5856 "x.__delslice__(i, j) <==> del x[i:j]\n\ |
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5857 \n\ |
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5858 Use of negative indices is not supported."), |
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5859 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc, |
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5860 "x.__contains__(y) <==> y in x"), |
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5861 SQSLOT("__iadd__", sq_inplace_concat, NULL, |
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5862 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"), |
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5863 SQSLOT("__imul__", sq_inplace_repeat, NULL, |
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5864 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"), |
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5865 |
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5866 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc, |
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5867 "x.__len__() <==> len(x)"), |
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5868 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript, |
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5869 wrap_binaryfunc, |
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5870 "x.__getitem__(y) <==> x[y]"), |
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5871 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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5872 wrap_objobjargproc, |
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5873 "x.__setitem__(i, y) <==> x[i]=y"), |
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5874 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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5875 wrap_delitem, |
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5876 "x.__delitem__(y) <==> del x[y]"), |
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5877 |
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5878 BINSLOT("__add__", nb_add, slot_nb_add, |
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5879 "+"), |
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5880 RBINSLOT("__radd__", nb_add, slot_nb_add, |
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5881 "+"), |
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5882 BINSLOT("__sub__", nb_subtract, slot_nb_subtract, |
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5883 "-"), |
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5884 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract, |
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5885 "-"), |
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5886 BINSLOT("__mul__", nb_multiply, slot_nb_multiply, |
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5887 "*"), |
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5888 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply, |
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5889 "*"), |
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5890 BINSLOT("__div__", nb_divide, slot_nb_divide, |
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5891 "/"), |
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5892 RBINSLOT("__rdiv__", nb_divide, slot_nb_divide, |
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|
5893 "/"), |
|
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|
5894 BINSLOT("__mod__", nb_remainder, slot_nb_remainder, |
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|
5895 "%"), |
|
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|
5896 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder, |
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|
5897 "%"), |
|
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|
5898 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod, |
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|
5899 "divmod(x, y)"), |
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|
5900 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod, |
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|
5901 "divmod(y, x)"), |
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|
5902 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc, |
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|
5903 "x.__pow__(y[, z]) <==> pow(x, y[, z])"), |
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|
5904 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r, |
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|
5905 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"), |
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|
5906 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"), |
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5907 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"), |
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5908 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc, |
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5909 "abs(x)"), |
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5910 UNSLOT("__nonzero__", nb_nonzero, slot_nb_nonzero, wrap_inquirypred, |
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5911 "x != 0"), |
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5912 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"), |
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5913 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5914 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5915 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5916 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5917 BINSLOT("__and__", nb_and, slot_nb_and, "&"), |
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5918 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"), |
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5919 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"), |
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5920 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"), |
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5921 BINSLOT("__or__", nb_or, slot_nb_or, "|"), |
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5922 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"), |
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5923 NBSLOT("__coerce__", nb_coerce, slot_nb_coerce, wrap_coercefunc, |
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5924 "x.__coerce__(y) <==> coerce(x, y)"), |
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5925 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc, |
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5926 "int(x)"), |
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5927 UNSLOT("__long__", nb_long, slot_nb_long, wrap_unaryfunc, |
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5928 "long(x)"), |
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5929 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc, |
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5930 "float(x)"), |
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5931 UNSLOT("__oct__", nb_oct, slot_nb_oct, wrap_unaryfunc, |
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5932 "oct(x)"), |
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5933 UNSLOT("__hex__", nb_hex, slot_nb_hex, wrap_unaryfunc, |
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5934 "hex(x)"), |
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5935 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc, |
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5936 "x[y:z] <==> x[y.__index__():z.__index__()]"), |
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5937 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add, |
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5938 wrap_binaryfunc, "+"), |
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5939 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract, |
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5940 wrap_binaryfunc, "-"), |
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5941 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply, |
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5942 wrap_binaryfunc, "*"), |
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5943 IBSLOT("__idiv__", nb_inplace_divide, slot_nb_inplace_divide, |
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5944 wrap_binaryfunc, "/"), |
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5945 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder, |
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5946 wrap_binaryfunc, "%"), |
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5947 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power, |
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5948 wrap_binaryfunc, "**"), |
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5949 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift, |
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5950 wrap_binaryfunc, "<<"), |
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5951 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift, |
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|
5952 wrap_binaryfunc, ">>"), |
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5953 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and, |
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|
5954 wrap_binaryfunc, "&"), |
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5955 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor, |
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5956 wrap_binaryfunc, "^"), |
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5957 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or, |
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5958 wrap_binaryfunc, "|"), |
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5959 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5960 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5961 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5962 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5963 IBSLOT("__ifloordiv__", nb_inplace_floor_divide, |
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5964 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"), |
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5965 IBSLOT("__itruediv__", nb_inplace_true_divide, |
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5966 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"), |
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5967 |
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5968 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc, |
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5969 "x.__str__() <==> str(x)"), |
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5970 TPSLOT("__str__", tp_print, NULL, NULL, ""), |
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5971 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc, |
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5972 "x.__repr__() <==> repr(x)"), |
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5973 TPSLOT("__repr__", tp_print, NULL, NULL, ""), |
|
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5974 TPSLOT("__cmp__", tp_compare, _PyObject_SlotCompare, wrap_cmpfunc, |
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5975 "x.__cmp__(y) <==> cmp(x,y)"), |
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5976 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc, |
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5977 "x.__hash__() <==> hash(x)"), |
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5978 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call, |
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5979 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS), |
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5980 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook, |
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5981 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"), |
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5982 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""), |
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5983 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""), |
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5984 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""), |
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5985 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr, |
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5986 "x.__setattr__('name', value) <==> x.name = value"), |
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5987 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""), |
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5988 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr, |
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5989 "x.__delattr__('name') <==> del x.name"), |
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5990 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""), |
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5991 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt, |
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5992 "x.__lt__(y) <==> x<y"), |
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5993 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le, |
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5994 "x.__le__(y) <==> x<=y"), |
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5995 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq, |
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5996 "x.__eq__(y) <==> x==y"), |
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5997 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne, |
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5998 "x.__ne__(y) <==> x!=y"), |
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5999 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt, |
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6000 "x.__gt__(y) <==> x>y"), |
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6001 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge, |
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6002 "x.__ge__(y) <==> x>=y"), |
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6003 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc, |
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6004 "x.__iter__() <==> iter(x)"), |
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6005 TPSLOT("next", tp_iternext, slot_tp_iternext, wrap_next, |
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6006 "x.next() -> the next value, or raise StopIteration"), |
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6007 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get, |
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6008 "descr.__get__(obj[, type]) -> value"), |
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6009 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set, |
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6010 "descr.__set__(obj, value)"), |
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6011 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set, |
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6012 wrap_descr_delete, "descr.__delete__(obj)"), |
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6013 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init, |
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6014 "x.__init__(...) initializes x; " |
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6015 "see help(type(x)) for signature", |
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6016 PyWrapperFlag_KEYWORDS), |
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6017 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""), |
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6018 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""), |
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6019 {NULL} |
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6020 }; |
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6021 |
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6022 /* Given a type pointer and an offset gotten from a slotdef entry, return a |
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6023 pointer to the actual slot. This is not quite the same as simply adding |
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6024 the offset to the type pointer, since it takes care to indirect through the |
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6025 proper indirection pointer (as_buffer, etc.); it returns NULL if the |
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6026 indirection pointer is NULL. */ |
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6027 static void ** |
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36501
7fdc639bc5b4
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6028 slotptr(PyTypeObject *type, int ioffset) |
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6029 { |
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61465
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6030 char *ptr; |
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6031 long offset = ioffset; |
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6032 |
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6033 /* Note: this depends on the order of the members of PyHeapTypeObject! */ |
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6034 assert(offset >= 0); |
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6035 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer)); |
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6036 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) { |
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6037 ptr = (char *)type->tp_as_sequence; |
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6038 offset -= offsetof(PyHeapTypeObject, as_sequence); |
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6039 } |
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6040 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) { |
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6041 ptr = (char *)type->tp_as_mapping; |
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6042 offset -= offsetof(PyHeapTypeObject, as_mapping); |
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6043 } |
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6044 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) { |
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6045 ptr = (char *)type->tp_as_number; |
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6046 offset -= offsetof(PyHeapTypeObject, as_number); |
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6047 } |
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6048 else { |
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6049 ptr = (char *)type; |
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6050 } |
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6051 if (ptr != NULL) |
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6052 ptr += offset; |
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6053 return (void **)ptr; |
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6054 } |
| 19036 | 6055 |
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6056 /* Length of array of slotdef pointers used to store slots with the |
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6057 same __name__. There should be at most MAX_EQUIV-1 slotdef entries with |
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6058 the same __name__, for any __name__. Since that's a static property, it is |
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6059 appropriate to declare fixed-size arrays for this. */ |
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6060 #define MAX_EQUIV 10 |
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6061 |
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6062 /* Return a slot pointer for a given name, but ONLY if the attribute has |
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6063 exactly one slot function. The name must be an interned string. */ |
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6064 static void ** |
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6065 resolve_slotdups(PyTypeObject *type, PyObject *name) |
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6066 { |
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6067 /* XXX Maybe this could be optimized more -- but is it worth it? */ |
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6068 |
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6069 /* pname and ptrs act as a little cache */ |
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6070 static PyObject *pname; |
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6071 static slotdef *ptrs[MAX_EQUIV]; |
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6072 slotdef *p, **pp; |
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6073 void **res, **ptr; |
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6075 if (pname != name) { |
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6076 /* Collect all slotdefs that match name into ptrs. */ |
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6077 pname = name; |
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6078 pp = ptrs; |
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6079 for (p = slotdefs; p->name_strobj; p++) { |
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6080 if (p->name_strobj == name) |
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6081 *pp++ = p; |
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6082 } |
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6083 *pp = NULL; |
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6084 } |
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6085 |
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6086 /* Look in all matching slots of the type; if exactly one of these has |
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6087 a filled-in slot, return its value. Otherwise return NULL. */ |
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|
6088 res = NULL; |
|
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|
6089 for (pp = ptrs; *pp; pp++) { |
|
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|
6090 ptr = slotptr(type, (*pp)->offset); |
|
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|
6091 if (ptr == NULL || *ptr == NULL) |
|
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|
6092 continue; |
|
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|
6093 if (res != NULL) |
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|
6094 return NULL; |
|
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|
6095 res = ptr; |
|
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|
6096 } |
|
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|
6097 return res; |
|
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|
6098 } |
|
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|
6099 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6100 /* Common code for update_slots_callback() and fixup_slot_dispatchers(). This |
|
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0908729e94e0
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|
6101 does some incredibly complex thinking and then sticks something into the |
|
0908729e94e0
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diff
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|
6102 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
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diff
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|
6103 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
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parents:
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diff
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|
6104 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
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diff
changeset
|
6105 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:
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diff
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|
6106 static slotdef * |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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diff
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|
6107 update_one_slot(PyTypeObject *type, slotdef *p) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6108 { |
|
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|
6109 PyObject *descr; |
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|
6110 PyWrapperDescrObject *d; |
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|
6111 void *generic = NULL, *specific = NULL; |
|
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|
6112 int use_generic = 0; |
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|
6113 int offset = p->offset; |
|
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|
6114 void **ptr = slotptr(type, offset); |
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6115 |
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6116 if (ptr == NULL) { |
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6117 do { |
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6118 ++p; |
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6119 } while (p->offset == offset); |
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6120 return p; |
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6121 } |
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6122 do { |
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|
6123 descr = _PyType_Lookup(type, p->name_strobj); |
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6124 if (descr == NULL) { |
|
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|
6125 if (ptr == (void**)&type->tp_iternext) { |
|
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|
6126 specific = _PyObject_NextNotImplemented; |
|
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6127 } |
|
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6128 continue; |
|
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6129 } |
|
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6130 if (Py_TYPE(descr) == &PyWrapperDescr_Type) { |
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6131 void **tptr = resolve_slotdups(type, p->name_strobj); |
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6132 if (tptr == NULL || tptr == ptr) |
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6133 generic = p->function; |
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6134 d = (PyWrapperDescrObject *)descr; |
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6135 if (d->d_base->wrapper == p->wrapper && |
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|
6136 PyType_IsSubtype(type, d->d_type)) |
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6137 { |
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6138 if (specific == NULL || |
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|
6139 specific == d->d_wrapped) |
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6140 specific = d->d_wrapped; |
|
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|
6141 else |
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|
6142 use_generic = 1; |
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6143 } |
|
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6144 } |
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6145 else if (Py_TYPE(descr) == &PyCFunction_Type && |
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|
6146 PyCFunction_GET_FUNCTION(descr) == |
|
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|
6147 (PyCFunction)tp_new_wrapper && |
|
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|
6148 ptr == (void**)&type->tp_new) |
|
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6149 { |
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6150 /* The __new__ wrapper is not a wrapper descriptor, |
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|
6151 so must be special-cased differently. |
|
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|
6152 If we don't do this, creating an instance will |
|
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|
6153 always use slot_tp_new which will look up |
|
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|
6154 __new__ in the MRO which will call tp_new_wrapper |
|
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|
6155 which will look through the base classes looking |
|
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|
6156 for a static base and call its tp_new (usually |
|
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|
6157 PyType_GenericNew), after performing various |
|
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|
6158 sanity checks and constructing a new argument |
|
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|
6159 list. Cut all that nonsense short -- this speeds |
|
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|
6160 up instance creation tremendously. */ |
|
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6161 specific = (void *)type->tp_new; |
|
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|
6162 /* XXX I'm not 100% sure that there isn't a hole |
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|
6163 in this reasoning that requires additional |
|
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|
6164 sanity checks. I'll buy the first person to |
|
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|
6165 point out a bug in this reasoning a beer. */ |
|
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6166 } |
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6167 else if (descr == Py_None && |
|
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|
6168 ptr == (void**)&type->tp_hash) { |
|
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|
6169 /* We specifically allow __hash__ to be set to None |
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|
6170 to prevent inheritance of the default |
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|
6171 implementation from object.__hash__ */ |
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|
6172 specific = PyObject_HashNotImplemented; |
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6173 } |
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6174 else { |
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6175 use_generic = 1; |
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6176 generic = p->function; |
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6177 } |
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6178 } while ((++p)->offset == offset); |
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6179 if (specific && !use_generic) |
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6180 *ptr = specific; |
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6181 else |
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6182 *ptr = generic; |
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|
6183 return p; |
|
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parents:
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diff
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|
6184 } |
|
0908729e94e0
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parents:
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|
6185 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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parents:
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|
6186 /* In the type, update the slots whose slotdefs are gathered in the pp array. |
|
63ed85290413
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|
6187 This is a callback for update_subclasses(). */ |
|
20382
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6188 static int |
|
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|
6189 update_slots_callback(PyTypeObject *type, void *data) |
|
20382
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6190 { |
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6191 slotdef **pp = (slotdef **)data; |
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6192 |
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6193 for (; *pp; pp++) |
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6194 update_one_slot(type, *pp); |
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6195 return 0; |
|
20382
be08734b0afd
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Guido van Rossum <guido@python.org>
parents:
20345
diff
changeset
|
6196 } |
|
be08734b0afd
Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents:
20345
diff
changeset
|
6197 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6198 /* 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
|
6199 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
|
6200 static int |
|
4698a3ec5fa8
Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents:
20386
diff
changeset
|
6201 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:
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diff
changeset
|
6202 { |
|
61465
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|
6203 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb; |
|
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|
6204 int c = a->offset - b->offset; |
|
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|
6205 if (c != 0) |
|
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|
6206 return c; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6207 else |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6208 /* Cannot use a-b, as this gives off_t, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6209 which may lose precision when converted to int. */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6210 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
|
6211 } |
|
4698a3ec5fa8
Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents:
20386
diff
changeset
|
6212 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6213 /* 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
|
6214 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
|
6215 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
|
6216 init_slotdefs(void) |
|
20382
be08734b0afd
Another step in the right direction: when a new class's attribute
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parents:
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diff
changeset
|
6217 { |
|
61465
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|
6218 slotdef *p; |
|
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|
6219 static int initialized = 0; |
|
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|
6220 |
|
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|
6221 if (initialized) |
|
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|
6222 return; |
|
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|
6223 for (p = slotdefs; p->name; p++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6224 p->name_strobj = PyString_InternFromString(p->name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6225 if (!p->name_strobj) |
|
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|
6226 Py_FatalError("Out of memory interning slotdef names"); |
|
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|
6227 } |
|
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|
6228 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef), |
|
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|
6229 slotdef_cmp); |
|
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|
6230 initialized = 1; |
|
20382
be08734b0afd
Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents:
20345
diff
changeset
|
6231 } |
|
be08734b0afd
Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents:
20345
diff
changeset
|
6232 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6233 /* 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
|
6234 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
|
6235 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:
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diff
changeset
|
6236 { |
|
61465
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|
6237 slotdef *ptrs[MAX_EQUIV]; |
|
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|
6238 slotdef *p; |
|
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changeset
|
6239 slotdef **pp; |
|
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|
6240 int offset; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6241 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6242 /* Clear the VALID_VERSION flag of 'type' and all its |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6243 subclasses. This could possibly be unified with the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
6244 update_subclasses() recursion below, but carefully: |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6245 they each have their own conditions on which to stop |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6246 recursing into subclasses. */ |
|
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changeset
|
6247 PyType_Modified(type); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6248 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6249 init_slotdefs(); |
|
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changeset
|
6250 pp = ptrs; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6251 for (p = slotdefs; p->name; p++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6252 /* XXX assume name is interned! */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6253 if (p->name_strobj == name) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6254 *pp++ = p; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
6255 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6256 *pp = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6257 for (pp = ptrs; *pp; pp++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6258 p = *pp; |
|
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changeset
|
6259 offset = p->offset; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6260 while (p > slotdefs && (p-1)->offset == offset) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6261 --p; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6262 *pp = p; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6263 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6264 if (ptrs[0] == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6265 return 0; /* Not an attribute that affects any slots */ |
|
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|
6266 return update_subclasses(type, name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6267 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
|
6268 } |
|
be08734b0afd
Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents:
20345
diff
changeset
|
6269 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6270 /* 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
|
6271 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
|
6272 dict. */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
6273 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
|
6274 fixup_slot_dispatchers(PyTypeObject *type) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
6275 { |
|
61465
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changeset
|
6276 slotdef *p; |
|
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|
6277 |
|
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changeset
|
6278 init_slotdefs(); |
|
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|
6279 for (p = slotdefs; p->name; ) |
|
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changeset
|
6280 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
|
6281 } |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6282 |
| 26421 | 6283 static void |
| 6284 update_all_slots(PyTypeObject* type) | |
| 6285 { | |
|
61465
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|
6286 slotdef *p; |
|
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|
6287 |
|
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|
6288 init_slotdefs(); |
|
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|
6289 for (p = slotdefs; p->name; p++) { |
|
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|
6290 /* update_slot returns int but can't actually fail */ |
|
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|
6291 update_slot(type, p->name_strobj); |
|
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|
6292 } |
| 26421 | 6293 } |
| 6294 | |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6295 /* 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
|
6296 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
|
6297 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
|
6298 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6299 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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diff
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|
6300 update_subclasses(PyTypeObject *type, PyObject *name, |
|
61465
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|
6301 update_callback callback, void *data) |
|
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|
6302 { |
|
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|
6303 if (callback(type, data) < 0) |
|
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|
6304 return -1; |
|
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|
6305 return recurse_down_subclasses(type, name, callback, data); |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6306 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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diff
changeset
|
6307 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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diff
changeset
|
6308 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6309 recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
6310 update_callback callback, void *data) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
6311 { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
6312 PyTypeObject *subclass; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
6313 PyObject *ref, *subclasses, *dict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6314 Py_ssize_t i, n; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
6315 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
6316 subclasses = type->tp_subclasses; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6317 if (subclasses == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6318 return 0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
6319 assert(PyList_Check(subclasses)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6320 n = PyList_GET_SIZE(subclasses); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
6321 for (i = 0; i < n; i++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6322 ref = PyList_GET_ITEM(subclasses, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6323 assert(PyWeakref_CheckRef(ref)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6324 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6325 assert(subclass != NULL); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6326 if ((PyObject *)subclass == Py_None) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6327 continue; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6328 assert(PyType_Check(subclass)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6329 /* Avoid recursing down into unaffected classes */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6330 dict = subclass->tp_dict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6331 if (dict != NULL && PyDict_Check(dict) && |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6332 PyDict_GetItem(dict, name) != NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6333 continue; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6334 if (update_subclasses(subclass, name, callback, data) < 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6335 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6336 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6337 return 0; |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6338 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6339 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6340 /* 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
|
6341 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
|
6342 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
|
6343 corresponding descriptors are added in the type's tp_dict dictionary |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6344 under the appropriate name (like __repr__). Some function slots |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6345 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
|
6346 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
|
6347 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
|
6348 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
|
6349 |
|
68588
cd8d3c2d3bce
#11565: Fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
68256
diff
changeset
|
6350 In the latter case, the first slotdef entry encountered wins. Since |
|
28390
33319458fe99
slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents:
28389
diff
changeset
|
6351 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
|
6352 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
|
6353 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
|
6354 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
|
6355 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
|
6356 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
|
6357 wins. |
|
23830
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6358 |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6359 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
|
6360 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
|
6361 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
|
6362 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
|
6363 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
|
6364 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
|
6365 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
|
6366 (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
|
6367 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
|
6368 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
|
6369 |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6370 static int |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6371 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
|
6372 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
6373 PyObject *dict = type->tp_dict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6374 slotdef *p; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6375 PyObject *descr; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6376 void **ptr; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6377 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6378 init_slotdefs(); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6379 for (p = slotdefs; p->name; p++) { |
|
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changeset
|
6380 if (p->wrapper == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6381 continue; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6382 ptr = slotptr(type, p->offset); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6383 if (!ptr || !*ptr) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6384 continue; |
|
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|
6385 if (PyDict_GetItem(dict, p->name_strobj)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
6386 continue; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6387 if (*ptr == PyObject_HashNotImplemented) { |
|
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changeset
|
6388 /* Classes may prevent the inheritance of the tp_hash |
|
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changeset
|
6389 slot by storing PyObject_HashNotImplemented in it. Make it |
|
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|
6390 visible as a None value for the __hash__ attribute. */ |
|
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|
6391 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
6392 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
6393 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6394 else { |
|
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changeset
|
6395 descr = PyDescr_NewWrapper(type, p, *ptr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6396 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
6397 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
6398 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6399 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6400 Py_DECREF(descr); |
|
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|
6401 } |
|
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|
6402 } |
|
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changeset
|
6403 if (type->tp_new != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6404 if (add_tp_new_wrapper(type) < 0) |
|
e38335d4df91
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changeset
|
6405 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
6406 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
6407 return 0; |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6408 } |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6409 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6410 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6411 /* Cooperative 'super' */ |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6412 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6413 typedef struct { |
|
61465
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changeset
|
6414 PyObject_HEAD |
|
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changeset
|
6415 PyTypeObject *type; |
|
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|
6416 PyObject *obj; |
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|
6417 PyTypeObject *obj_type; |
|
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6418 } superobject; |
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6419 |
|
20012
3faabf54b8b8
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6420 static PyMemberDef super_members[] = { |
|
61465
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6421 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY, |
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|
6422 "the class invoking super()"}, |
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6423 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY, |
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|
6424 "the instance invoking super(); may be None"}, |
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6425 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY, |
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|
6426 "the type of the instance invoking super(); may be None"}, |
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6427 {0} |
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6428 }; |
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6429 |
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6430 static void |
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6431 super_dealloc(PyObject *self) |
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6432 { |
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61465
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6433 superobject *su = (superobject *)self; |
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6434 |
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6435 _PyObject_GC_UNTRACK(self); |
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6436 Py_XDECREF(su->obj); |
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6437 Py_XDECREF(su->type); |
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6438 Py_XDECREF(su->obj_type); |
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6439 Py_TYPE(self)->tp_free(self); |
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6440 } |
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6441 |
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6442 static PyObject * |
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6443 super_repr(PyObject *self) |
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6444 { |
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61465
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6445 superobject *su = (superobject *)self; |
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6446 |
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6447 if (su->obj_type) |
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6448 return PyString_FromFormat( |
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6449 "<super: <class '%s'>, <%s object>>", |
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6450 su->type ? su->type->tp_name : "NULL", |
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6451 su->obj_type->tp_name); |
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6452 else |
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6453 return PyString_FromFormat( |
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6454 "<super: <class '%s'>, NULL>", |
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6455 su->type ? su->type->tp_name : "NULL"); |
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6456 } |
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6457 |
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6458 static PyObject * |
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6459 super_getattro(PyObject *self, PyObject *name) |
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6460 { |
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61465
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6461 superobject *su = (superobject *)self; |
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6462 int skip = su->obj_type == NULL; |
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6463 |
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6464 if (!skip) { |
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6465 /* We want __class__ to return the class of the super object |
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6466 (i.e. super, or a subclass), not the class of su->obj. */ |
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6467 skip = (PyString_Check(name) && |
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6468 PyString_GET_SIZE(name) == 9 && |
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6469 strcmp(PyString_AS_STRING(name), "__class__") == 0); |
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6470 } |
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6471 |
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6472 if (!skip) { |
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6473 PyObject *mro, *res, *tmp, *dict; |
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6474 PyTypeObject *starttype; |
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6475 descrgetfunc f; |
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6476 Py_ssize_t i, n; |
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6477 |
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6478 starttype = su->obj_type; |
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6479 mro = starttype->tp_mro; |
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6480 |
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6481 if (mro == NULL) |
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6482 n = 0; |
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6483 else { |
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6484 assert(PyTuple_Check(mro)); |
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6485 n = PyTuple_GET_SIZE(mro); |
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6486 } |
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6487 for (i = 0; i < n; i++) { |
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6488 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i)) |
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6489 break; |
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6490 } |
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6491 i++; |
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6492 res = NULL; |
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6493 for (; i < n; i++) { |
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6494 tmp = PyTuple_GET_ITEM(mro, i); |
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6495 if (PyType_Check(tmp)) |
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6496 dict = ((PyTypeObject *)tmp)->tp_dict; |
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6497 else if (PyClass_Check(tmp)) |
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6498 dict = ((PyClassObject *)tmp)->cl_dict; |
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6499 else |
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6500 continue; |
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6501 res = PyDict_GetItem(dict, name); |
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6502 if (res != NULL) { |
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6503 Py_INCREF(res); |
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6504 f = Py_TYPE(res)->tp_descr_get; |
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6505 if (f != NULL) { |
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6506 tmp = f(res, |
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6507 /* Only pass 'obj' param if |
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6508 this is instance-mode super |
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6509 (See SF ID #743627) |
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6510 */ |
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6511 (su->obj == (PyObject *) |
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6512 su->obj_type |
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6513 ? (PyObject *)NULL |
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6514 : su->obj), |
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6515 (PyObject *)starttype); |
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6516 Py_DECREF(res); |
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6517 res = tmp; |
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6518 } |
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6519 return res; |
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6520 } |
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6521 } |
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6522 } |
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6523 return PyObject_GenericGetAttr(self, name); |
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6524 } |
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|
6525 |
|
27831
6b5696541ba4
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Guido van Rossum <guido@python.org>
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diff
changeset
|
6526 static PyTypeObject * |
|
21151
918b57354d87
Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents:
21142
diff
changeset
|
6527 supercheck(PyTypeObject *type, PyObject *obj) |
|
918b57354d87
Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6528 { |
|
61465
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|
6529 /* Check that a super() call makes sense. Return a type object. |
|
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|
6530 |
|
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|
6531 obj can be a new-style class, or an instance of one: |
|
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|
6532 |
|
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|
6533 - If it is a class, it must be a subclass of 'type'. This case is |
|
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|
6534 used for class methods; the return value is obj. |
|
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|
6535 |
|
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|
6536 - If it is an instance, it must be an instance of 'type'. This is |
|
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|
6537 the normal case; the return value is obj.__class__. |
|
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|
6538 |
|
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|
6539 But... when obj is an instance, we want to allow for the case where |
|
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|
6540 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is! |
|
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|
6541 This will allow using super() with a proxy for obj. |
|
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|
6542 */ |
|
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|
6543 |
|
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|
6544 /* Check for first bullet above (special case) */ |
|
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|
6545 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) { |
|
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|
6546 Py_INCREF(obj); |
|
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|
6547 return (PyTypeObject *)obj; |
|
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6548 } |
|
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6549 |
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|
6550 /* Normal case */ |
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|
6551 if (PyType_IsSubtype(Py_TYPE(obj), type)) { |
|
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|
6552 Py_INCREF(Py_TYPE(obj)); |
|
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|
6553 return Py_TYPE(obj); |
|
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6554 } |
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6555 else { |
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|
6556 /* Try the slow way */ |
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|
6557 static PyObject *class_str = NULL; |
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|
6558 PyObject *class_attr; |
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6559 |
|
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|
6560 if (class_str == NULL) { |
|
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|
6561 class_str = PyString_FromString("__class__"); |
|
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|
6562 if (class_str == NULL) |
|
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|
6563 return NULL; |
|
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|
6564 } |
|
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|
6565 |
|
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|
6566 class_attr = PyObject_GetAttr(obj, class_str); |
|
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|
6567 |
|
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|
6568 if (class_attr != NULL && |
|
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|
6569 PyType_Check(class_attr) && |
|
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|
6570 (PyTypeObject *)class_attr != Py_TYPE(obj)) |
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|
6571 { |
|
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|
6572 int ok = PyType_IsSubtype( |
|
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|
6573 (PyTypeObject *)class_attr, type); |
|
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|
6574 if (ok) |
|
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|
6575 return (PyTypeObject *)class_attr; |
|
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|
6576 } |
|
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|
6577 |
|
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|
6578 if (class_attr == NULL) |
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|
6579 PyErr_Clear(); |
|
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|
6580 else |
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|
6581 Py_DECREF(class_attr); |
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6582 } |
|
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|
6583 |
|
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|
6584 PyErr_SetString(PyExc_TypeError, |
|
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|
6585 "super(type, obj): " |
|
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|
6586 "obj must be an instance or subtype of type"); |
|
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|
6587 return NULL; |
|
21151
918b57354d87
Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents:
21142
diff
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|
6588 } |
|
918b57354d87
Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents:
21142
diff
changeset
|
6589 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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|
6590 static PyObject * |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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|
6591 super_descr_get(PyObject *self, PyObject *obj, PyObject *type) |
|
b3c92f013869
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|
6592 { |
|
61465
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|
6593 superobject *su = (superobject *)self; |
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|
6594 superobject *newobj; |
|
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|
6595 |
|
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|
6596 if (obj == NULL || obj == Py_None || su->obj != NULL) { |
|
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|
6597 /* Not binding to an object, or already bound */ |
|
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|
6598 Py_INCREF(self); |
|
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|
6599 return self; |
|
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6600 } |
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6601 if (Py_TYPE(su) != &PySuper_Type) |
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6602 /* If su is an instance of a (strict) subclass of super, |
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|
6603 call its type */ |
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6604 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su), |
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|
6605 su->type, obj, NULL); |
|
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6606 else { |
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|
6607 /* Inline the common case */ |
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6608 PyTypeObject *obj_type = supercheck(su->type, obj); |
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6609 if (obj_type == NULL) |
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6610 return NULL; |
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6611 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type, |
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6612 NULL, NULL); |
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6613 if (newobj == NULL) |
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6614 return NULL; |
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6615 Py_INCREF(su->type); |
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6616 Py_INCREF(obj); |
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6617 newobj->type = su->type; |
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6618 newobj->obj = obj; |
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6619 newobj->obj_type = obj_type; |
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6620 return (PyObject *)newobj; |
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6621 } |
|
19469
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|
6622 } |
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6623 |
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|
6624 static int |
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|
6625 super_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
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6626 { |
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61465
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6627 superobject *su = (superobject *)self; |
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6628 PyTypeObject *type; |
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6629 PyObject *obj = NULL; |
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6630 PyTypeObject *obj_type = NULL; |
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6631 |
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6632 if (!_PyArg_NoKeywords("super", kwds)) |
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6633 return -1; |
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6634 if (!PyArg_ParseTuple(args, "O!|O:super", &PyType_Type, &type, &obj)) |
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|
6635 return -1; |
|
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|
6636 if (obj == Py_None) |
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|
6637 obj = NULL; |
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6638 if (obj != NULL) { |
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|
6639 obj_type = supercheck(type, obj); |
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6640 if (obj_type == NULL) |
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6641 return -1; |
|
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|
6642 Py_INCREF(obj); |
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6643 } |
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|
6644 Py_INCREF(type); |
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6645 su->type = type; |
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6646 su->obj = obj; |
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6647 su->obj_type = obj_type; |
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6648 return 0; |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6649 } |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6650 |
|
23832
ed1ba37a46b7
Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents:
23830
diff
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|
6651 PyDoc_STRVAR(super_doc, |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
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diff
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|
6652 "super(type) -> unbound super object\n" |
|
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Add 'super', another new object type with magical properties.
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parents:
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diff
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6653 "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
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|
6654 "super(type, type2) -> bound super object; requires issubclass(type2, type)\n" |
|
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Add 'super', another new object type with magical properties.
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parents:
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|
6655 "Typical use to call a cooperative superclass method:\n" |
|
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Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6656 "class C(B):\n" |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6657 " def meth(self, arg):\n" |
|
23832
ed1ba37a46b7
Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents:
23830
diff
changeset
|
6658 " super(C, self).meth(arg)"); |
|
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b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6659 |
|
20220
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
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|
6660 static int |
|
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
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|
6661 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
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6662 { |
|
61465
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6663 superobject *su = (superobject *)self; |
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6664 |
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6665 Py_VISIT(su->obj); |
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6666 Py_VISIT(su->type); |
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6667 Py_VISIT(su->obj_type); |
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6668 |
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6669 return 0; |
|
20220
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
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|
6670 } |
|
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
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|
6671 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
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|
6672 PyTypeObject PySuper_Type = { |
|
61465
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6673 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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6674 "super", /* tp_name */ |
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6675 sizeof(superobject), /* tp_basicsize */ |
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6676 0, /* tp_itemsize */ |
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6677 /* methods */ |
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6678 super_dealloc, /* tp_dealloc */ |
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6679 0, /* tp_print */ |
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6680 0, /* tp_getattr */ |
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6681 0, /* tp_setattr */ |
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6682 0, /* tp_compare */ |
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6683 super_repr, /* tp_repr */ |
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6684 0, /* tp_as_number */ |
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6685 0, /* tp_as_sequence */ |
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6686 0, /* tp_as_mapping */ |
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6687 0, /* tp_hash */ |
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6688 0, /* tp_call */ |
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6689 0, /* tp_str */ |
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6690 super_getattro, /* tp_getattro */ |
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6691 0, /* tp_setattro */ |
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6692 0, /* tp_as_buffer */ |
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6693 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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6694 Py_TPFLAGS_BASETYPE, /* tp_flags */ |
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6695 super_doc, /* tp_doc */ |
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6696 super_traverse, /* tp_traverse */ |
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6697 0, /* tp_clear */ |
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6698 0, /* tp_richcompare */ |
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6699 0, /* tp_weaklistoffset */ |
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6700 0, /* tp_iter */ |
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6701 0, /* tp_iternext */ |
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6702 0, /* tp_methods */ |
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6703 super_members, /* tp_members */ |
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6704 0, /* tp_getset */ |
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6705 0, /* tp_base */ |
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|
6706 0, /* tp_dict */ |
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6707 super_descr_get, /* tp_descr_get */ |
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6708 0, /* tp_descr_set */ |
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6709 0, /* tp_dictoffset */ |
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6710 super_init, /* tp_init */ |
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6711 PyType_GenericAlloc, /* tp_alloc */ |
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6712 PyType_GenericNew, /* tp_new */ |
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6713 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
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|
6714 }; |