Mercurial > cpython-lru_cache-weakref
annotate Objects/typeobject.c @ 85327:5b5ef012cd4e
Issue #16809: Fixed some tkinter incompabilities with Tcl/Tk 8.6.
| author | Serhiy Storchaka <storchaka@gmail.com> |
|---|---|
| date | Thu, 22 Aug 2013 17:53:06 +0300 |
| parents | 3f994367a979 |
| children | 42aecc601a41 |
| rev | line source |
|---|---|
| 6 | 1 /* Type object implementation */ |
| 2 | |
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3 #include "Python.h" |
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4 #include "frameobject.h" |
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5 #include "structmember.h" |
| 6 | 6 |
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7 #include <ctype.h> |
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8 |
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9 |
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10 /* Cached lookup of the copyreg module, for faster __reduce__ calls */ |
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11 |
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12 static PyObject *cached_copyreg_module = NULL; |
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13 |
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14 /* Support type attribute cache */ |
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15 |
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16 /* The cache can keep references to the names alive for longer than |
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17 they normally would. This is why the maximum size is limited to |
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18 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large |
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19 strings are used as attribute names. */ |
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20 #define MCACHE_MAX_ATTR_SIZE 100 |
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21 #define MCACHE_SIZE_EXP 9 |
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22 #define MCACHE_HASH(version, name_hash) \ |
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23 (((unsigned int)(version) * (unsigned int)(name_hash)) \ |
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24 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP)) |
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25 #define MCACHE_HASH_METHOD(type, name) \ |
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26 MCACHE_HASH((type)->tp_version_tag, \ |
| 72475 | 27 ((PyASCIIObject *)(name))->hash) |
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28 #define MCACHE_CACHEABLE_NAME(name) \ |
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29 PyUnicode_CheckExact(name) && \ |
| 72475 | 30 PyUnicode_READY(name) != -1 && \ |
| 31 PyUnicode_GET_LENGTH(name) <= MCACHE_MAX_ATTR_SIZE | |
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32 |
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33 struct method_cache_entry { |
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34 unsigned int version; |
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35 PyObject *name; /* reference to exactly a str or None */ |
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36 PyObject *value; /* borrowed */ |
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37 }; |
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38 |
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39 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP]; |
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40 static unsigned int next_version_tag = 0; |
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41 |
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42 _Py_IDENTIFIER(__class__); |
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43 _Py_IDENTIFIER(__dict__); |
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44 _Py_IDENTIFIER(__doc__); |
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45 _Py_IDENTIFIER(__getitem__); |
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46 _Py_IDENTIFIER(__getattribute__); |
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47 _Py_IDENTIFIER(__hash__); |
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48 _Py_IDENTIFIER(__module__); |
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49 _Py_IDENTIFIER(__name__); |
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50 _Py_IDENTIFIER(__new__); |
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51 |
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52 static PyObject * |
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53 _PyType_LookupId(PyTypeObject *type, struct _Py_Identifier *name); |
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54 |
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55 static PyObject * |
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56 slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds); |
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57 |
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58 unsigned int |
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59 PyType_ClearCache(void) |
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60 { |
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61 Py_ssize_t i; |
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62 unsigned int cur_version_tag = next_version_tag - 1; |
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64 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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65 method_cache[i].version = 0; |
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66 Py_CLEAR(method_cache[i].name); |
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67 method_cache[i].value = NULL; |
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68 } |
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69 next_version_tag = 0; |
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70 /* mark all version tags as invalid */ |
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71 PyType_Modified(&PyBaseObject_Type); |
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72 return cur_version_tag; |
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73 } |
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74 |
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75 void |
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76 _PyType_Fini(void) |
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77 { |
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78 PyType_ClearCache(); |
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79 /* Need to forget our obsolete instance of the copyreg module at |
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80 * interpreter shutdown (issue #17408). */ |
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81 Py_CLEAR(cached_copyreg_module); |
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82 } |
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83 |
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84 void |
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85 PyType_Modified(PyTypeObject *type) |
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86 { |
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87 /* Invalidate any cached data for the specified type and all |
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88 subclasses. This function is called after the base |
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89 classes, mro, or attributes of the type are altered. |
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91 Invariants: |
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93 - Py_TPFLAGS_VALID_VERSION_TAG is never set if |
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94 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type |
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95 objects coming from non-recompiled extension modules) |
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97 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type, |
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98 it must first be set on all super types. |
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100 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a |
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101 type (so it must first clear it on all subclasses). The |
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102 tp_version_tag value is meaningless unless this flag is set. |
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103 We don't assign new version tags eagerly, but only as |
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104 needed. |
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105 */ |
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106 PyObject *raw, *ref; |
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107 Py_ssize_t i, n; |
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109 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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110 return; |
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112 raw = type->tp_subclasses; |
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113 if (raw != NULL) { |
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114 n = PyList_GET_SIZE(raw); |
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115 for (i = 0; i < n; i++) { |
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116 ref = PyList_GET_ITEM(raw, i); |
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117 ref = PyWeakref_GET_OBJECT(ref); |
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118 if (ref != Py_None) { |
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119 PyType_Modified((PyTypeObject *)ref); |
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120 } |
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121 } |
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122 } |
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123 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG; |
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124 } |
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125 |
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126 static void |
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127 type_mro_modified(PyTypeObject *type, PyObject *bases) { |
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128 /* |
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129 Check that all base classes or elements of the MRO of type are |
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130 able to be cached. This function is called after the base |
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131 classes or mro of the type are altered. |
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133 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type |
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134 has a custom MRO that includes a type which is not officially |
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135 super type. |
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137 Called from mro_internal, which will subsequently be called on |
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138 each subclass when their mro is recursively updated. |
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139 */ |
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140 Py_ssize_t i, n; |
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141 int clear = 0; |
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143 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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144 return; |
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146 n = PyTuple_GET_SIZE(bases); |
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147 for (i = 0; i < n; i++) { |
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148 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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149 PyTypeObject *cls; |
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150 |
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151 assert(PyType_Check(b)); |
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152 cls = (PyTypeObject *)b; |
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153 |
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154 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) || |
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155 !PyType_IsSubtype(type, cls)) { |
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156 clear = 1; |
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157 break; |
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158 } |
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159 } |
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160 |
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161 if (clear) |
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162 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG| |
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163 Py_TPFLAGS_VALID_VERSION_TAG); |
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164 } |
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165 |
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166 static int |
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167 assign_version_tag(PyTypeObject *type) |
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168 { |
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169 /* Ensure that the tp_version_tag is valid and set |
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170 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this |
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171 must first be done on all super classes. Return 0 if this |
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172 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG. |
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173 */ |
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174 Py_ssize_t i, n; |
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175 PyObject *bases; |
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176 |
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177 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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178 return 1; |
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179 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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180 return 0; |
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181 if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) |
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182 return 0; |
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183 |
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184 type->tp_version_tag = next_version_tag++; |
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185 /* for stress-testing: next_version_tag &= 0xFF; */ |
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186 |
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187 if (type->tp_version_tag == 0) { |
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188 /* wrap-around or just starting Python - clear the whole |
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189 cache by filling names with references to Py_None. |
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190 Values are also set to NULL for added protection, as they |
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191 are borrowed reference */ |
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192 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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193 method_cache[i].value = NULL; |
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194 Py_XDECREF(method_cache[i].name); |
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195 method_cache[i].name = Py_None; |
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196 Py_INCREF(Py_None); |
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197 } |
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198 /* mark all version tags as invalid */ |
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199 PyType_Modified(&PyBaseObject_Type); |
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200 return 1; |
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201 } |
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202 bases = type->tp_bases; |
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203 n = PyTuple_GET_SIZE(bases); |
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204 for (i = 0; i < n; i++) { |
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205 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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206 assert(PyType_Check(b)); |
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207 if (!assign_version_tag((PyTypeObject *)b)) |
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208 return 0; |
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209 } |
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210 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG; |
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211 return 1; |
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212 } |
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215 static PyMemberDef type_members[] = { |
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216 {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY}, |
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217 {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY}, |
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218 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY}, |
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219 {"__weakrefoffset__", T_LONG, |
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220 offsetof(PyTypeObject, tp_weaklistoffset), READONLY}, |
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221 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY}, |
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222 {"__dictoffset__", T_LONG, |
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223 offsetof(PyTypeObject, tp_dictoffset), READONLY}, |
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224 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY}, |
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225 {0} |
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226 }; |
| 6 | 227 |
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228 static int |
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229 check_set_special_type_attr(PyTypeObject *type, PyObject *value, const char *name) |
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230 { |
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231 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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232 PyErr_Format(PyExc_TypeError, |
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233 "can't set %s.%s", type->tp_name, name); |
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234 return 0; |
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235 } |
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236 if (!value) { |
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237 PyErr_Format(PyExc_TypeError, |
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238 "can't delete %s.%s", type->tp_name, name); |
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239 return 0; |
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240 } |
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241 return 1; |
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242 } |
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243 |
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244 static PyObject * |
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245 type_name(PyTypeObject *type, void *context) |
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246 { |
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247 const char *s; |
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248 |
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249 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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250 PyHeapTypeObject* et = (PyHeapTypeObject*)type; |
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251 |
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252 Py_INCREF(et->ht_name); |
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253 return et->ht_name; |
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254 } |
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255 else { |
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256 s = strrchr(type->tp_name, '.'); |
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257 if (s == NULL) |
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258 s = type->tp_name; |
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259 else |
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260 s++; |
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261 return PyUnicode_FromString(s); |
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262 } |
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263 } |
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264 |
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265 static PyObject * |
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266 type_qualname(PyTypeObject *type, void *context) |
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267 { |
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268 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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269 PyHeapTypeObject* et = (PyHeapTypeObject*)type; |
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270 Py_INCREF(et->ht_qualname); |
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271 return et->ht_qualname; |
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272 } |
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273 else { |
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274 return type_name(type, context); |
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275 } |
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276 } |
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277 |
| 26421 | 278 static int |
| 279 type_set_name(PyTypeObject *type, PyObject *value, void *context) | |
| 280 { | |
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281 PyHeapTypeObject* et; |
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282 char *tp_name; |
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283 PyObject *tmp; |
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284 |
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285 if (!check_set_special_type_attr(type, value, "__name__")) |
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286 return -1; |
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287 if (!PyUnicode_Check(value)) { |
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288 PyErr_Format(PyExc_TypeError, |
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289 "can only assign string to %s.__name__, not '%s'", |
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290 type->tp_name, Py_TYPE(value)->tp_name); |
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291 return -1; |
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292 } |
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293 |
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294 /* Check absence of null characters */ |
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295 tmp = PyUnicode_FromStringAndSize("\0", 1); |
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296 if (tmp == NULL) |
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297 return -1; |
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298 if (PyUnicode_Contains(value, tmp) != 0) { |
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299 Py_DECREF(tmp); |
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300 PyErr_Format(PyExc_ValueError, |
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301 "__name__ must not contain null bytes"); |
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302 return -1; |
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303 } |
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304 Py_DECREF(tmp); |
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305 |
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306 tp_name = _PyUnicode_AsString(value); |
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307 if (tp_name == NULL) |
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308 return -1; |
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309 |
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310 et = (PyHeapTypeObject*)type; |
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311 |
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312 Py_INCREF(value); |
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313 |
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314 /* Wait until et is a sane state before Py_DECREF'ing the old et->ht_name |
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315 value. (Bug #16447.) */ |
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316 tmp = et->ht_name; |
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317 et->ht_name = value; |
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318 |
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319 type->tp_name = tp_name; |
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320 Py_DECREF(tmp); |
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321 |
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322 return 0; |
| 26421 | 323 } |
| 324 | |
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325 static int |
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326 type_set_qualname(PyTypeObject *type, PyObject *value, void *context) |
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327 { |
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328 PyHeapTypeObject* et; |
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329 |
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330 if (!check_set_special_type_attr(type, value, "__qualname__")) |
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331 return -1; |
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332 if (!PyUnicode_Check(value)) { |
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333 PyErr_Format(PyExc_TypeError, |
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334 "can only assign string to %s.__qualname__, not '%s'", |
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335 type->tp_name, Py_TYPE(value)->tp_name); |
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336 return -1; |
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337 } |
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338 |
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339 et = (PyHeapTypeObject*)type; |
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340 Py_INCREF(value); |
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341 Py_DECREF(et->ht_qualname); |
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342 et->ht_qualname = value; |
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343 return 0; |
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344 } |
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345 |
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346 static PyObject * |
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347 type_module(PyTypeObject *type, void *context) |
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348 { |
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349 PyObject *mod; |
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350 char *s; |
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351 |
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352 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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353 mod = _PyDict_GetItemId(type->tp_dict, &PyId___module__); |
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354 if (!mod) { |
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355 PyErr_Format(PyExc_AttributeError, "__module__"); |
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356 return 0; |
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357 } |
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358 Py_XINCREF(mod); |
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359 return mod; |
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360 } |
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361 else { |
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362 s = strrchr(type->tp_name, '.'); |
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363 if (s != NULL) |
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364 return PyUnicode_FromStringAndSize( |
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365 type->tp_name, (Py_ssize_t)(s - type->tp_name)); |
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366 return PyUnicode_FromString("builtins"); |
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367 } |
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368 } |
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369 |
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370 static int |
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371 type_set_module(PyTypeObject *type, PyObject *value, void *context) |
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372 { |
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373 if (!check_set_special_type_attr(type, value, "__module__")) |
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374 return -1; |
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375 |
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376 PyType_Modified(type); |
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377 |
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378 return _PyDict_SetItemId(type->tp_dict, &PyId___module__, value); |
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379 } |
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380 |
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381 static PyObject * |
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382 type_abstractmethods(PyTypeObject *type, void *context) |
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383 { |
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384 PyObject *mod = NULL; |
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385 /* type itself has an __abstractmethods__ descriptor (this). Don't return |
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386 that. */ |
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387 if (type != &PyType_Type) |
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388 mod = PyDict_GetItemString(type->tp_dict, "__abstractmethods__"); |
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389 if (!mod) { |
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390 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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391 return NULL; |
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392 } |
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393 Py_XINCREF(mod); |
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394 return mod; |
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395 } |
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396 |
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397 static int |
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398 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context) |
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399 { |
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400 /* __abstractmethods__ should only be set once on a type, in |
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401 abc.ABCMeta.__new__, so this function doesn't do anything |
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402 special to update subclasses. |
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403 */ |
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404 int abstract, res; |
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405 if (value != NULL) { |
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406 abstract = PyObject_IsTrue(value); |
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407 if (abstract < 0) |
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408 return -1; |
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409 res = PyDict_SetItemString(type->tp_dict, "__abstractmethods__", value); |
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410 } |
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411 else { |
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412 abstract = 0; |
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413 res = PyDict_DelItemString(type->tp_dict, "__abstractmethods__"); |
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414 if (res && PyErr_ExceptionMatches(PyExc_KeyError)) { |
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415 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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416 return -1; |
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417 } |
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418 } |
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419 if (res == 0) { |
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420 PyType_Modified(type); |
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421 if (abstract) |
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422 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT; |
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423 else |
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424 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT; |
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425 } |
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426 return res; |
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427 } |
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428 |
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429 static PyObject * |
| 26421 | 430 type_get_bases(PyTypeObject *type, void *context) |
| 431 { | |
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432 Py_INCREF(type->tp_bases); |
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433 return type->tp_bases; |
| 26421 | 434 } |
| 435 | |
| 436 static PyTypeObject *best_base(PyObject *); | |
| 437 static int mro_internal(PyTypeObject *); | |
| 438 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *); | |
| 439 static int add_subclass(PyTypeObject*, PyTypeObject*); | |
| 440 static void remove_subclass(PyTypeObject *, PyTypeObject *); | |
| 441 static void update_all_slots(PyTypeObject *); | |
| 442 | |
|
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443 typedef int (*update_callback)(PyTypeObject *, void *); |
|
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444 static int update_subclasses(PyTypeObject *type, PyObject *name, |
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445 update_callback callback, void *data); |
|
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446 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
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447 update_callback callback, void *data); |
|
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448 |
| 26421 | 449 static int |
|
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450 mro_subclasses(PyTypeObject *type, PyObject* temp) |
| 26421 | 451 { |
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452 PyTypeObject *subclass; |
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453 PyObject *ref, *subclasses, *old_mro; |
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454 Py_ssize_t i, n; |
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455 |
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456 subclasses = type->tp_subclasses; |
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457 if (subclasses == NULL) |
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458 return 0; |
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459 assert(PyList_Check(subclasses)); |
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460 n = PyList_GET_SIZE(subclasses); |
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461 for (i = 0; i < n; i++) { |
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462 ref = PyList_GET_ITEM(subclasses, i); |
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463 assert(PyWeakref_CheckRef(ref)); |
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464 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
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465 assert(subclass != NULL); |
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466 if ((PyObject *)subclass == Py_None) |
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467 continue; |
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468 assert(PyType_Check(subclass)); |
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469 old_mro = subclass->tp_mro; |
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470 if (mro_internal(subclass) < 0) { |
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471 subclass->tp_mro = old_mro; |
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472 return -1; |
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473 } |
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474 else { |
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475 PyObject* tuple; |
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476 tuple = PyTuple_Pack(2, subclass, old_mro); |
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477 Py_DECREF(old_mro); |
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478 if (!tuple) |
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479 return -1; |
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480 if (PyList_Append(temp, tuple) < 0) |
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481 return -1; |
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482 Py_DECREF(tuple); |
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483 } |
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484 if (mro_subclasses(subclass, temp) < 0) |
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485 return -1; |
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486 } |
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487 return 0; |
| 26421 | 488 } |
| 489 | |
| 490 static int | |
| 491 type_set_bases(PyTypeObject *type, PyObject *value, void *context) | |
| 492 { | |
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493 Py_ssize_t i; |
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494 int r = 0; |
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495 PyObject *ob, *temp; |
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496 PyTypeObject *new_base, *old_base; |
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497 PyObject *old_bases, *old_mro; |
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498 |
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499 if (!check_set_special_type_attr(type, value, "__bases__")) |
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500 return -1; |
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501 if (!PyTuple_Check(value)) { |
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502 PyErr_Format(PyExc_TypeError, |
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503 "can only assign tuple to %s.__bases__, not %s", |
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504 type->tp_name, Py_TYPE(value)->tp_name); |
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505 return -1; |
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506 } |
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507 if (PyTuple_GET_SIZE(value) == 0) { |
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508 PyErr_Format(PyExc_TypeError, |
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509 "can only assign non-empty tuple to %s.__bases__, not ()", |
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510 type->tp_name); |
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511 return -1; |
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512 } |
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513 for (i = 0; i < PyTuple_GET_SIZE(value); i++) { |
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514 ob = PyTuple_GET_ITEM(value, i); |
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515 if (!PyType_Check(ob)) { |
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516 PyErr_Format(PyExc_TypeError, |
| 76060 | 517 "%s.__bases__ must be tuple of classes, not '%s'", |
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518 type->tp_name, Py_TYPE(ob)->tp_name); |
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519 return -1; |
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520 } |
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521 if (PyType_IsSubtype((PyTypeObject*)ob, type)) { |
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522 PyErr_SetString(PyExc_TypeError, |
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523 "a __bases__ item causes an inheritance cycle"); |
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524 return -1; |
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525 } |
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526 } |
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527 |
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528 new_base = best_base(value); |
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529 |
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530 if (!new_base) |
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531 return -1; |
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532 |
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533 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__")) |
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534 return -1; |
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535 |
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536 Py_INCREF(new_base); |
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537 Py_INCREF(value); |
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538 |
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539 old_bases = type->tp_bases; |
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540 old_base = type->tp_base; |
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541 old_mro = type->tp_mro; |
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542 |
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543 type->tp_bases = value; |
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544 type->tp_base = new_base; |
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545 |
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546 if (mro_internal(type) < 0) { |
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547 goto bail; |
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548 } |
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549 |
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550 temp = PyList_New(0); |
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551 if (!temp) |
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552 goto bail; |
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553 |
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554 r = mro_subclasses(type, temp); |
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555 |
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556 if (r < 0) { |
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557 for (i = 0; i < PyList_Size(temp); i++) { |
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558 PyTypeObject* cls; |
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559 PyObject* mro; |
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560 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i), |
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561 "", 2, 2, &cls, &mro); |
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562 Py_INCREF(mro); |
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563 ob = cls->tp_mro; |
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564 cls->tp_mro = mro; |
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565 Py_DECREF(ob); |
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566 } |
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567 Py_DECREF(temp); |
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568 goto bail; |
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569 } |
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570 |
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571 Py_DECREF(temp); |
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572 |
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573 /* any base that was in __bases__ but now isn't, we |
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574 need to remove |type| from its tp_subclasses. |
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575 conversely, any class now in __bases__ that wasn't |
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576 needs to have |type| added to its subclasses. */ |
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577 |
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578 /* for now, sod that: just remove from all old_bases, |
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579 add to all new_bases */ |
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580 |
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581 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) { |
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582 ob = PyTuple_GET_ITEM(old_bases, i); |
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583 if (PyType_Check(ob)) { |
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584 remove_subclass( |
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585 (PyTypeObject*)ob, type); |
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586 } |
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587 } |
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588 |
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589 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) { |
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590 ob = PyTuple_GET_ITEM(value, i); |
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591 if (PyType_Check(ob)) { |
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592 if (add_subclass((PyTypeObject*)ob, type) < 0) |
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593 r = -1; |
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594 } |
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595 } |
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596 |
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597 update_all_slots(type); |
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598 |
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599 Py_DECREF(old_bases); |
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600 Py_DECREF(old_base); |
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601 Py_DECREF(old_mro); |
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602 |
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603 return r; |
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604 |
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605 bail: |
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606 Py_DECREF(type->tp_bases); |
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607 Py_DECREF(type->tp_base); |
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608 if (type->tp_mro != old_mro) { |
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609 Py_DECREF(type->tp_mro); |
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610 } |
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611 |
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612 type->tp_bases = old_bases; |
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613 type->tp_base = old_base; |
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614 type->tp_mro = old_mro; |
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615 |
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616 return -1; |
| 26421 | 617 } |
| 618 | |
| 619 static PyObject * | |
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620 type_dict(PyTypeObject *type, void *context) |
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621 { |
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622 if (type->tp_dict == NULL) { |
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623 Py_INCREF(Py_None); |
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624 return Py_None; |
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625 } |
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626 return PyDictProxy_New(type->tp_dict); |
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627 } |
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628 |
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629 static PyObject * |
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630 type_get_doc(PyTypeObject *type, void *context) |
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631 { |
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632 PyObject *result; |
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633 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL) |
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634 return PyUnicode_FromString(type->tp_doc); |
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635 result = _PyDict_GetItemId(type->tp_dict, &PyId___doc__); |
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636 if (result == NULL) { |
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637 result = Py_None; |
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638 Py_INCREF(result); |
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639 } |
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640 else if (Py_TYPE(result)->tp_descr_get) { |
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641 result = Py_TYPE(result)->tp_descr_get(result, NULL, |
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642 (PyObject *)type); |
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643 } |
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644 else { |
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645 Py_INCREF(result); |
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646 } |
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647 return result; |
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648 } |
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649 |
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650 static int |
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651 type_set_doc(PyTypeObject *type, PyObject *value, void *context) |
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652 { |
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653 if (!check_set_special_type_attr(type, value, "__doc__")) |
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654 return -1; |
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655 PyType_Modified(type); |
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656 return _PyDict_SetItemId(type->tp_dict, &PyId___doc__, value); |
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657 } |
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658 |
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659 static PyObject * |
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660 type___instancecheck__(PyObject *type, PyObject *inst) |
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661 { |
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662 switch (_PyObject_RealIsInstance(inst, type)) { |
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663 case -1: |
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664 return NULL; |
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665 case 0: |
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666 Py_RETURN_FALSE; |
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667 default: |
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668 Py_RETURN_TRUE; |
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669 } |
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670 } |
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671 |
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672 |
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673 static PyObject * |
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674 type___subclasscheck__(PyObject *type, PyObject *inst) |
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675 { |
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676 switch (_PyObject_RealIsSubclass(inst, type)) { |
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677 case -1: |
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678 return NULL; |
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679 case 0: |
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680 Py_RETURN_FALSE; |
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681 default: |
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682 Py_RETURN_TRUE; |
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683 } |
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684 } |
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685 |
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686 |
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687 static PyGetSetDef type_getsets[] = { |
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688 {"__name__", (getter)type_name, (setter)type_set_name, NULL}, |
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689 {"__qualname__", (getter)type_qualname, (setter)type_set_qualname, NULL}, |
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690 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL}, |
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691 {"__module__", (getter)type_module, (setter)type_set_module, NULL}, |
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692 {"__abstractmethods__", (getter)type_abstractmethods, |
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693 (setter)type_set_abstractmethods, NULL}, |
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694 {"__dict__", (getter)type_dict, NULL, NULL}, |
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695 {"__doc__", (getter)type_get_doc, (setter)type_set_doc, NULL}, |
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696 {0} |
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697 }; |
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698 |
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699 static PyObject * |
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700 type_repr(PyTypeObject *type) |
| 6 | 701 { |
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702 PyObject *mod, *name, *rtn; |
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703 |
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704 mod = type_module(type, NULL); |
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705 if (mod == NULL) |
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706 PyErr_Clear(); |
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707 else if (!PyUnicode_Check(mod)) { |
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708 Py_DECREF(mod); |
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709 mod = NULL; |
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710 } |
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711 name = type_qualname(type, NULL); |
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712 if (name == NULL) { |
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713 Py_XDECREF(mod); |
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714 return NULL; |
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715 } |
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716 |
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717 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins")) |
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718 rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name); |
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719 else |
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720 rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name); |
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721 |
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722 Py_XDECREF(mod); |
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723 Py_DECREF(name); |
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724 return rtn; |
| 6 | 725 } |
| 726 | |
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727 static PyObject * |
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728 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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729 { |
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730 PyObject *obj; |
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731 |
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732 if (type->tp_new == NULL) { |
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733 PyErr_Format(PyExc_TypeError, |
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734 "cannot create '%.100s' instances", |
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735 type->tp_name); |
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736 return NULL; |
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737 } |
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738 |
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739 #ifdef Py_DEBUG |
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740 /* type_call() must not be called with an exception set, |
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741 because it may clear it (directly or indirectly) and so the |
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742 caller looses its exception */ |
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743 assert(!PyErr_Occurred()); |
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744 #endif |
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745 |
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746 obj = type->tp_new(type, args, kwds); |
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747 if (obj != NULL) { |
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748 /* Ugly exception: when the call was type(something), |
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749 don't call tp_init on the result. */ |
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750 if (type == &PyType_Type && |
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751 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 && |
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752 (kwds == NULL || |
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753 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0))) |
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754 return obj; |
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755 /* If the returned object is not an instance of type, |
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756 it won't be initialized. */ |
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757 if (!PyType_IsSubtype(Py_TYPE(obj), type)) |
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758 return obj; |
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759 type = Py_TYPE(obj); |
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760 if (type->tp_init != NULL) { |
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761 int res = type->tp_init(obj, args, kwds); |
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762 if (res < 0) { |
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763 Py_DECREF(obj); |
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764 obj = NULL; |
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765 } |
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766 } |
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767 } |
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768 return obj; |
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769 } |
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770 |
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771 PyObject * |
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772 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems) |
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773 { |
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774 PyObject *obj; |
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775 const size_t size = _PyObject_VAR_SIZE(type, nitems+1); |
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776 /* note that we need to add one, for the sentinel */ |
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777 |
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778 if (PyType_IS_GC(type)) |
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779 obj = _PyObject_GC_Malloc(size); |
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780 else |
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781 obj = (PyObject *)PyObject_MALLOC(size); |
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782 |
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783 if (obj == NULL) |
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784 return PyErr_NoMemory(); |
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785 |
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786 memset(obj, '\0', size); |
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787 |
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788 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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789 Py_INCREF(type); |
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790 |
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791 if (type->tp_itemsize == 0) |
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792 PyObject_INIT(obj, type); |
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793 else |
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794 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems); |
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795 |
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796 if (PyType_IS_GC(type)) |
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797 _PyObject_GC_TRACK(obj); |
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798 return obj; |
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799 } |
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800 |
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801 PyObject * |
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802 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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803 { |
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804 return type->tp_alloc(type, 0); |
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805 } |
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806 |
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807 /* Helpers for subtyping */ |
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808 |
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809 static int |
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810 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg) |
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811 { |
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812 Py_ssize_t i, n; |
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813 PyMemberDef *mp; |
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814 |
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815 n = Py_SIZE(type); |
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816 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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817 for (i = 0; i < n; i++, mp++) { |
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818 if (mp->type == T_OBJECT_EX) { |
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819 char *addr = (char *)self + mp->offset; |
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820 PyObject *obj = *(PyObject **)addr; |
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821 if (obj != NULL) { |
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822 int err = visit(obj, arg); |
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823 if (err) |
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824 return err; |
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825 } |
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826 } |
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827 } |
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828 return 0; |
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829 } |
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830 |
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831 static int |
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832 subtype_traverse(PyObject *self, visitproc visit, void *arg) |
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833 { |
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834 PyTypeObject *type, *base; |
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835 traverseproc basetraverse; |
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836 |
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837 /* Find the nearest base with a different tp_traverse, |
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838 and traverse slots while we're at it */ |
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839 type = Py_TYPE(self); |
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840 base = type; |
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841 while ((basetraverse = base->tp_traverse) == subtype_traverse) { |
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842 if (Py_SIZE(base)) { |
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843 int err = traverse_slots(base, self, visit, arg); |
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844 if (err) |
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845 return err; |
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846 } |
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847 base = base->tp_base; |
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848 assert(base); |
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849 } |
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850 |
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851 if (type->tp_dictoffset != base->tp_dictoffset) { |
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852 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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853 if (dictptr && *dictptr) |
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854 Py_VISIT(*dictptr); |
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855 } |
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856 |
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857 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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858 /* For a heaptype, the instances count as references |
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859 to the type. Traverse the type so the collector |
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860 can find cycles involving this link. */ |
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861 Py_VISIT(type); |
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862 |
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863 if (basetraverse) |
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864 return basetraverse(self, visit, arg); |
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865 return 0; |
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866 } |
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867 |
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868 static void |
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869 clear_slots(PyTypeObject *type, PyObject *self) |
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870 { |
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871 Py_ssize_t i, n; |
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872 PyMemberDef *mp; |
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873 |
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874 n = Py_SIZE(type); |
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875 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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876 for (i = 0; i < n; i++, mp++) { |
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877 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) { |
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878 char *addr = (char *)self + mp->offset; |
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879 PyObject *obj = *(PyObject **)addr; |
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880 if (obj != NULL) { |
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881 *(PyObject **)addr = NULL; |
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882 Py_DECREF(obj); |
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883 } |
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884 } |
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885 } |
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886 } |
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887 |
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888 static int |
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889 subtype_clear(PyObject *self) |
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890 { |
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891 PyTypeObject *type, *base; |
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892 inquiry baseclear; |
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893 |
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894 /* Find the nearest base with a different tp_clear |
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895 and clear slots while we're at it */ |
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896 type = Py_TYPE(self); |
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897 base = type; |
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898 while ((baseclear = base->tp_clear) == subtype_clear) { |
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899 if (Py_SIZE(base)) |
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900 clear_slots(base, self); |
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901 base = base->tp_base; |
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902 assert(base); |
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903 } |
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904 |
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905 /* Clear the instance dict (if any), to break cycles involving only |
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906 __dict__ slots (as in the case 'self.__dict__ is self'). */ |
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907 if (type->tp_dictoffset != base->tp_dictoffset) { |
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908 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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909 if (dictptr && *dictptr) |
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910 Py_CLEAR(*dictptr); |
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911 } |
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912 |
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913 if (baseclear) |
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914 return baseclear(self); |
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915 return 0; |
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Enable GC for new-style instances. This touches lots of files, since
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916 } |
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917 |
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918 static void |
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919 subtype_dealloc(PyObject *self) |
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920 { |
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921 PyTypeObject *type, *base; |
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922 destructor basedealloc; |
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923 PyThreadState *tstate = PyThreadState_GET(); |
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924 int has_finalizer; |
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925 |
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926 /* Extract the type; we expect it to be a heap type */ |
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927 type = Py_TYPE(self); |
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928 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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929 |
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930 /* Test whether the type has GC exactly once */ |
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931 |
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932 if (!PyType_IS_GC(type)) { |
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933 /* It's really rare to find a dynamic type that doesn't have |
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934 GC; it can only happen when deriving from 'object' and not |
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935 adding any slots or instance variables. This allows |
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936 certain simplifications: there's no need to call |
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937 clear_slots(), or DECREF the dict, or clear weakrefs. */ |
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938 |
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939 /* Maybe call finalizer; exit early if resurrected */ |
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940 if (type->tp_finalize) { |
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941 if (PyObject_CallFinalizerFromDealloc(self) < 0) |
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942 return; |
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943 } |
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944 if (type->tp_del) { |
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945 type->tp_del(self); |
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946 if (self->ob_refcnt > 0) |
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947 return; |
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948 } |
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949 |
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950 /* Find the nearest base with a different tp_dealloc */ |
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951 base = type; |
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952 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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953 assert(Py_SIZE(base) == 0); |
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954 base = base->tp_base; |
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955 assert(base); |
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956 } |
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957 |
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958 /* Extract the type again; tp_del may have changed it */ |
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959 type = Py_TYPE(self); |
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960 |
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961 /* Call the base tp_dealloc() */ |
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962 assert(basedealloc); |
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963 basedealloc(self); |
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964 |
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965 /* Can't reference self beyond this point */ |
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966 Py_DECREF(type); |
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967 |
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968 /* Done */ |
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969 return; |
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970 } |
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971 |
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972 /* We get here only if the type has GC */ |
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973 |
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974 /* UnTrack and re-Track around the trashcan macro, alas */ |
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975 /* See explanation at end of function for full disclosure */ |
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976 PyObject_GC_UnTrack(self); |
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977 ++_PyTrash_delete_nesting; |
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978 ++ tstate->trash_delete_nesting; |
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979 Py_TRASHCAN_SAFE_BEGIN(self); |
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980 --_PyTrash_delete_nesting; |
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981 -- tstate->trash_delete_nesting; |
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982 /* DO NOT restore GC tracking at this point. weakref callbacks |
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983 * (if any, and whether directly here or indirectly in something we |
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984 * call) may trigger GC, and if self is tracked at that point, it |
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985 * will look like trash to GC and GC will try to delete self again. |
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986 */ |
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987 |
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988 /* Find the nearest base with a different tp_dealloc */ |
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989 base = type; |
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990 while ((/*basedealloc =*/ base->tp_dealloc) == subtype_dealloc) { |
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991 base = base->tp_base; |
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992 assert(base); |
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993 } |
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994 |
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995 has_finalizer = type->tp_finalize || type->tp_del; |
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996 |
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997 /* Maybe call finalizer; exit early if resurrected */ |
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998 if (has_finalizer) |
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999 _PyObject_GC_TRACK(self); |
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1000 |
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1001 if (type->tp_finalize) { |
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1002 if (PyObject_CallFinalizerFromDealloc(self) < 0) { |
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1003 /* Resurrected */ |
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1004 goto endlabel; |
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1005 } |
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1006 } |
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1007 /* If we added a weaklist, we clear it. Do this *before* calling |
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1008 tp_del, clearing slots, or clearing the instance dict. */ |
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1009 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) |
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1010 PyObject_ClearWeakRefs(self); |
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1011 |
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1012 if (type->tp_del) { |
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1013 type->tp_del(self); |
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1014 if (self->ob_refcnt > 0) { |
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1015 /* Resurrected */ |
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1016 goto endlabel; |
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1017 } |
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1018 } |
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1019 if (has_finalizer) { |
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1020 _PyObject_GC_UNTRACK(self); |
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1021 /* New weakrefs could be created during the finalizer call. |
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1022 If this occurs, clear them out without calling their |
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1023 finalizers since they might rely on part of the object |
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1024 being finalized that has already been destroyed. */ |
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1025 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) { |
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1026 /* Modeled after GET_WEAKREFS_LISTPTR() */ |
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1027 PyWeakReference **list = (PyWeakReference **) \ |
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1028 PyObject_GET_WEAKREFS_LISTPTR(self); |
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1029 while (*list) |
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1030 _PyWeakref_ClearRef(*list); |
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1031 } |
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1032 } |
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1033 |
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1034 /* Clear slots up to the nearest base with a different tp_dealloc */ |
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1035 base = type; |
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1036 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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1037 if (Py_SIZE(base)) |
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1038 clear_slots(base, self); |
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1039 base = base->tp_base; |
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1040 assert(base); |
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1041 } |
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1042 |
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1043 /* If we added a dict, DECREF it */ |
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1044 if (type->tp_dictoffset && !base->tp_dictoffset) { |
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1045 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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1046 if (dictptr != NULL) { |
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1047 PyObject *dict = *dictptr; |
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1048 if (dict != NULL) { |
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1049 Py_DECREF(dict); |
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1050 *dictptr = NULL; |
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1051 } |
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1052 } |
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1053 } |
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1054 |
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1055 /* Extract the type again; tp_del may have changed it */ |
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1056 type = Py_TYPE(self); |
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1057 |
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1058 /* Call the base tp_dealloc(); first retrack self if |
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1059 * basedealloc knows about gc. |
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1060 */ |
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1061 if (PyType_IS_GC(base)) |
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1062 _PyObject_GC_TRACK(self); |
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1063 assert(basedealloc); |
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1064 basedealloc(self); |
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1065 |
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1066 /* Can't reference self beyond this point */ |
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1067 Py_DECREF(type); |
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1068 |
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1069 endlabel: |
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1070 ++_PyTrash_delete_nesting; |
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1071 ++ tstate->trash_delete_nesting; |
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1072 Py_TRASHCAN_SAFE_END(self); |
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1073 --_PyTrash_delete_nesting; |
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1074 -- tstate->trash_delete_nesting; |
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1075 |
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1076 /* Explanation of the weirdness around the trashcan macros: |
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1077 |
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1078 Q. What do the trashcan macros do? |
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1079 |
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1080 A. Read the comment titled "Trashcan mechanism" in object.h. |
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1081 For one, this explains why there must be a call to GC-untrack |
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1082 before the trashcan begin macro. Without understanding the |
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1083 trashcan code, the answers to the following questions don't make |
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1084 sense. |
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1085 |
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1086 Q. Why do we GC-untrack before the trashcan and then immediately |
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1087 GC-track again afterward? |
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1088 |
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1089 A. In the case that the base class is GC-aware, the base class |
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1090 probably GC-untracks the object. If it does that using the |
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1091 UNTRACK macro, this will crash when the object is already |
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1092 untracked. Because we don't know what the base class does, the |
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1093 only safe thing is to make sure the object is tracked when we |
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1094 call the base class dealloc. But... The trashcan begin macro |
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1095 requires that the object is *untracked* before it is called. So |
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1096 the dance becomes: |
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1097 |
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1098 GC untrack |
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1099 trashcan begin |
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1100 GC track |
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1101 |
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1102 Q. Why did the last question say "immediately GC-track again"? |
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1103 It's nowhere near immediately. |
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1104 |
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1105 A. Because the code *used* to re-track immediately. Bad Idea. |
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1106 self has a refcount of 0, and if gc ever gets its hands on it |
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1107 (which can happen if any weakref callback gets invoked), it |
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1109 then. But we're already deleting self. Double deallocation is |
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1110 a subtle disaster. |
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1111 |
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1112 Q. Why the bizarre (net-zero) manipulation of |
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1113 _PyTrash_delete_nesting around the trashcan macros? |
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1114 |
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1115 A. Some base classes (e.g. list) also use the trashcan mechanism. |
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1116 The following scenario used to be possible: |
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1118 - suppose the trashcan level is one below the trashcan limit |
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1119 |
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1120 - subtype_dealloc() is called |
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1122 - the trashcan limit is not yet reached, so the trashcan level |
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1123 is incremented and the code between trashcan begin and end is |
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1124 executed |
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1126 - this destroys much of the object's contents, including its |
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1127 slots and __dict__ |
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1128 |
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1129 - basedealloc() is called; this is really list_dealloc(), or |
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1130 some other type which also uses the trashcan macros |
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1131 |
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1132 - the trashcan limit is now reached, so the object is put on the |
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1133 trashcan's to-be-deleted-later list |
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1134 |
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1135 - basedealloc() returns |
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1136 |
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1137 - subtype_dealloc() decrefs the object's type |
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1138 |
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1139 - subtype_dealloc() returns |
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1140 |
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1141 - later, the trashcan code starts deleting the objects from its |
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1142 to-be-deleted-later list |
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1144 - subtype_dealloc() is called *AGAIN* for the same object |
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1146 - at the very least (if the destroyed slots and __dict__ don't |
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1147 cause problems) the object's type gets decref'ed a second |
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1148 time, which is *BAD*!!! |
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1150 The remedy is to make sure that if the code between trashcan |
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1151 begin and end in subtype_dealloc() is called, the code between |
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1152 trashcan begin and end in basedealloc() will also be called. |
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1153 This is done by decrementing the level after passing into the |
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1154 trashcan block, and incrementing it just before leaving the |
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1155 block. |
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1156 |
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1157 But now it's possible that a chain of objects consisting solely |
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1158 of objects whose deallocator is subtype_dealloc() will defeat |
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1159 the trashcan mechanism completely: the decremented level means |
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1160 that the effective level never reaches the limit. Therefore, we |
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1161 *increment* the level *before* entering the trashcan block, and |
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1162 matchingly decrement it after leaving. This means the trashcan |
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1163 code will trigger a little early, but that's no big deal. |
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1164 |
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1165 Q. Are there any live examples of code in need of all this |
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1166 complexity? |
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1167 |
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1168 A. Yes. See SF bug 668433 for code that crashed (when Python was |
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1169 compiled in debug mode) before the trashcan level manipulations |
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1170 were added. For more discussion, see SF patches 581742, 575073 |
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1171 and bug 574207. |
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1172 */ |
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1173 } |
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1174 |
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1175 static PyTypeObject *solid_base(PyTypeObject *type); |
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1176 |
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1177 /* type test with subclassing support */ |
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1179 int |
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1180 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b) |
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1181 { |
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1182 PyObject *mro; |
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1183 |
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1184 mro = a->tp_mro; |
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1185 if (mro != NULL) { |
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1186 /* Deal with multiple inheritance without recursion |
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1187 by walking the MRO tuple */ |
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1188 Py_ssize_t i, n; |
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1189 assert(PyTuple_Check(mro)); |
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1190 n = PyTuple_GET_SIZE(mro); |
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1191 for (i = 0; i < n; i++) { |
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1192 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) |
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1193 return 1; |
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1194 } |
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1195 return 0; |
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1196 } |
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1197 else { |
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1198 /* a is not completely initilized yet; follow tp_base */ |
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1199 do { |
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1200 if (a == b) |
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1201 return 1; |
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1202 a = a->tp_base; |
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1203 } while (a != NULL); |
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1204 return b == &PyBaseObject_Type; |
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1205 } |
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1206 } |
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1207 |
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1208 /* Internal routines to do a method lookup in the type |
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1209 without looking in the instance dictionary |
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1210 (so we can't use PyObject_GetAttr) but still binding |
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1211 it to the instance. The arguments are the object, |
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1212 the method name as a C string, and the address of a |
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1213 static variable used to cache the interned Python string. |
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1215 Two variants: |
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1216 |
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1217 - lookup_maybe() returns NULL without raising an exception |
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1218 when the _PyType_Lookup() call fails; |
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1219 |
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1220 - lookup_method() always raises an exception upon errors. |
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1221 |
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1222 - _PyObject_LookupSpecial() exported for the benefit of other places. |
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1223 */ |
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1224 |
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1225 static PyObject * |
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1226 lookup_maybe(PyObject *self, _Py_Identifier *attrid) |
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1227 { |
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1228 PyObject *res; |
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1229 |
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1230 res = _PyType_LookupId(Py_TYPE(self), attrid); |
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1231 if (res != NULL) { |
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1232 descrgetfunc f; |
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1233 if ((f = Py_TYPE(res)->tp_descr_get) == NULL) |
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1234 Py_INCREF(res); |
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1235 else |
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1236 res = f(res, self, (PyObject *)(Py_TYPE(self))); |
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1237 } |
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1238 return res; |
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1239 } |
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1240 |
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1241 static PyObject * |
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1242 lookup_method(PyObject *self, _Py_Identifier *attrid) |
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1243 { |
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1244 PyObject *res = lookup_maybe(self, attrid); |
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1245 if (res == NULL && !PyErr_Occurred()) |
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1246 PyErr_SetObject(PyExc_AttributeError, attrid->object); |
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1247 return res; |
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1248 } |
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1249 |
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1250 PyObject * |
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1251 _PyObject_LookupSpecial(PyObject *self, _Py_Identifier *attrid) |
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1252 { |
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1253 return lookup_maybe(self, attrid); |
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1254 } |
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1255 |
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1256 /* A variation of PyObject_CallMethod that uses lookup_method() |
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1257 instead of PyObject_GetAttrString(). This uses the same convention |
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1258 as lookup_method to cache the interned name string object. */ |
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1259 |
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1260 static PyObject * |
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1261 call_method(PyObject *o, _Py_Identifier *nameid, char *format, ...) |
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1262 { |
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1263 va_list va; |
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1264 PyObject *args, *func = 0, *retval; |
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1265 va_start(va, format); |
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1266 |
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1267 func = lookup_maybe(o, nameid); |
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1268 if (func == NULL) { |
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1269 va_end(va); |
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1270 if (!PyErr_Occurred()) |
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1271 PyErr_SetObject(PyExc_AttributeError, nameid->object); |
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1272 return NULL; |
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1273 } |
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1274 |
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1275 if (format && *format) |
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1276 args = Py_VaBuildValue(format, va); |
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1277 else |
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1278 args = PyTuple_New(0); |
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1279 |
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1280 va_end(va); |
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1281 |
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1282 if (args == NULL) |
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1283 return NULL; |
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1284 |
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1285 assert(PyTuple_Check(args)); |
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1286 retval = PyObject_Call(func, args, NULL); |
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1287 |
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1288 Py_DECREF(args); |
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1289 Py_DECREF(func); |
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1290 |
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1291 return retval; |
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1292 } |
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1293 |
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1294 /* Clone of call_method() that returns NotImplemented when the lookup fails. */ |
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1295 |
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1296 static PyObject * |
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1297 call_maybe(PyObject *o, _Py_Identifier *nameid, char *format, ...) |
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1298 { |
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1299 va_list va; |
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1300 PyObject *args, *func = 0, *retval; |
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1301 va_start(va, format); |
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1302 |
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1303 func = lookup_maybe(o, nameid); |
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1304 if (func == NULL) { |
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1305 va_end(va); |
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1306 if (!PyErr_Occurred()) |
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1307 Py_RETURN_NOTIMPLEMENTED; |
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1308 return NULL; |
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1309 } |
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1310 |
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1311 if (format && *format) |
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1312 args = Py_VaBuildValue(format, va); |
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1313 else |
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1314 args = PyTuple_New(0); |
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1315 |
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1316 va_end(va); |
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1317 |
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1318 if (args == NULL) |
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1319 return NULL; |
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1320 |
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1321 assert(PyTuple_Check(args)); |
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1322 retval = PyObject_Call(func, args, NULL); |
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1323 |
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1324 Py_DECREF(args); |
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1325 Py_DECREF(func); |
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1326 |
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1327 return retval; |
|
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1328 } |
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1329 |
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1330 /* |
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1331 Method resolution order algorithm C3 described in |
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1332 "A Monotonic Superclass Linearization for Dylan", |
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1333 by Kim Barrett, Bob Cassel, Paul Haahr, |
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1334 David A. Moon, Keith Playford, and P. Tucker Withington. |
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1335 (OOPSLA 1996) |
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1336 |
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1337 Some notes about the rules implied by C3: |
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1338 |
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1339 No duplicate bases. |
|
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1340 It isn't legal to repeat a class in a list of base classes. |
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1341 |
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1342 The next three properties are the 3 constraints in "C3". |
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1343 |
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1344 Local precendece order. |
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1345 If A precedes B in C's MRO, then A will precede B in the MRO of all |
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1346 subclasses of C. |
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1347 |
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1348 Monotonicity. |
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1349 The MRO of a class must be an extension without reordering of the |
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1350 MRO of each of its superclasses. |
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1351 |
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1352 Extended Precedence Graph (EPG). |
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1353 Linearization is consistent if there is a path in the EPG from |
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1354 each class to all its successors in the linearization. See |
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1355 the paper for definition of EPG. |
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1356 */ |
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1357 |
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1358 static int |
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1359 tail_contains(PyObject *list, int whence, PyObject *o) { |
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1360 Py_ssize_t j, size; |
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1361 size = PyList_GET_SIZE(list); |
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1362 |
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1363 for (j = whence+1; j < size; j++) { |
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1364 if (PyList_GET_ITEM(list, j) == o) |
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1365 return 1; |
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1366 } |
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1367 return 0; |
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1368 } |
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1369 |
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1370 static PyObject * |
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1371 class_name(PyObject *cls) |
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1372 { |
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1373 PyObject *name = _PyObject_GetAttrId(cls, &PyId___name__); |
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1374 if (name == NULL) { |
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1375 PyErr_Clear(); |
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1376 Py_XDECREF(name); |
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1377 name = PyObject_Repr(cls); |
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1378 } |
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1379 if (name == NULL) |
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1380 return NULL; |
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1381 if (!PyUnicode_Check(name)) { |
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1382 Py_DECREF(name); |
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1383 return NULL; |
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1384 } |
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1385 return name; |
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1386 } |
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1387 |
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1388 static int |
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1389 check_duplicates(PyObject *list) |
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1390 { |
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1391 Py_ssize_t i, j, n; |
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1392 /* Let's use a quadratic time algorithm, |
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1393 assuming that the bases lists is short. |
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1394 */ |
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1395 n = PyList_GET_SIZE(list); |
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1396 for (i = 0; i < n; i++) { |
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1397 PyObject *o = PyList_GET_ITEM(list, i); |
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1398 for (j = i + 1; j < n; j++) { |
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1399 if (PyList_GET_ITEM(list, j) == o) { |
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1400 o = class_name(o); |
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1401 if (o != NULL) { |
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1402 PyErr_Format(PyExc_TypeError, |
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1403 "duplicate base class %U", |
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1404 o); |
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1405 Py_DECREF(o); |
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1406 } else { |
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1407 PyErr_SetString(PyExc_TypeError, |
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1408 "duplicate base class"); |
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1409 } |
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1410 return -1; |
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1411 } |
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1412 } |
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1413 } |
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1414 return 0; |
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1415 } |
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1416 |
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1417 /* Raise a TypeError for an MRO order disagreement. |
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1418 |
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1419 It's hard to produce a good error message. In the absence of better |
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1420 insight into error reporting, report the classes that were candidates |
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1421 to be put next into the MRO. There is some conflict between the |
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1422 order in which they should be put in the MRO, but it's hard to |
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1423 diagnose what constraint can't be satisfied. |
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1424 */ |
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1425 |
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1426 static void |
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1427 set_mro_error(PyObject *to_merge, int *remain) |
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1428 { |
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1429 Py_ssize_t i, n, off, to_merge_size; |
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1430 char buf[1000]; |
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1431 PyObject *k, *v; |
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1432 PyObject *set = PyDict_New(); |
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1433 if (!set) return; |
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1434 |
|
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|
1435 to_merge_size = PyList_GET_SIZE(to_merge); |
|
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1436 for (i = 0; i < to_merge_size; i++) { |
|
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|
1437 PyObject *L = PyList_GET_ITEM(to_merge, i); |
|
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1438 if (remain[i] < PyList_GET_SIZE(L)) { |
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|
1439 PyObject *c = PyList_GET_ITEM(L, remain[i]); |
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|
1440 if (PyDict_SetItem(set, c, Py_None) < 0) { |
|
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|
1441 Py_DECREF(set); |
|
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|
1442 return; |
|
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1443 } |
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1444 } |
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1445 } |
|
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|
1446 n = PyDict_Size(set); |
|
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1447 |
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|
1448 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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|
1449 consistent method resolution\norder (MRO) for bases"); |
|
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1450 i = 0; |
|
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1451 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) { |
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|
1452 PyObject *name = class_name(k); |
|
61721
89ce2f6d4b24
Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
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diff
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|
1453 char *name_str; |
|
89ce2f6d4b24
Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
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|
1454 if (name != NULL) { |
|
89ce2f6d4b24
Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
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|
1455 name_str = _PyUnicode_AsString(name); |
|
89ce2f6d4b24
Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
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diff
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|
1456 if (name_str == NULL) |
|
61722
7dcd1a269797
Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
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|
1457 name_str = "?"; |
|
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89ce2f6d4b24
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Victor Stinner <victor.stinner@haypocalc.com>
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|
1458 } else |
|
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7dcd1a269797
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Victor Stinner <victor.stinner@haypocalc.com>
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|
1459 name_str = "?"; |
|
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89ce2f6d4b24
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Victor Stinner <victor.stinner@haypocalc.com>
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|
1460 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", name_str); |
|
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1461 Py_XDECREF(name); |
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1462 if (--n && (size_t)(off+1) < sizeof(buf)) { |
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1463 buf[off++] = ','; |
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1464 buf[off] = '\0'; |
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1465 } |
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1466 } |
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1467 PyErr_SetString(PyExc_TypeError, buf); |
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1468 Py_DECREF(set); |
|
26410
26918e2efd17
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Guido van Rossum <guido@python.org>
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1469 } |
|
26918e2efd17
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Guido van Rossum <guido@python.org>
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|
1470 |
|
26575
93b5ca9423eb
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Tim Peters <tim.peters@gmail.com>
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|
1471 static int |
|
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Guido van Rossum <guido@python.org>
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|
1472 pmerge(PyObject *acc, PyObject* to_merge) { |
|
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1473 Py_ssize_t i, j, to_merge_size, empty_cnt; |
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1474 int *remain; |
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1475 int ok; |
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1476 |
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1477 to_merge_size = PyList_GET_SIZE(to_merge); |
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1478 |
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1479 /* remain stores an index into each sublist of to_merge. |
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1480 remain[i] is the index of the next base in to_merge[i] |
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1481 that is not included in acc. |
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1482 */ |
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1483 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size); |
|
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1484 if (remain == NULL) { |
|
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1485 PyErr_NoMemory(); |
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1486 return -1; |
|
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1487 } |
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1488 for (i = 0; i < to_merge_size; i++) |
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1489 remain[i] = 0; |
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1490 |
|
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1491 again: |
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1492 empty_cnt = 0; |
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1493 for (i = 0; i < to_merge_size; i++) { |
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1494 PyObject *candidate; |
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1495 |
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1496 PyObject *cur_list = PyList_GET_ITEM(to_merge, i); |
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1497 |
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1498 if (remain[i] >= PyList_GET_SIZE(cur_list)) { |
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1499 empty_cnt++; |
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1500 continue; |
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1501 } |
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1502 |
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1503 /* Choose next candidate for MRO. |
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1504 |
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1505 The input sequences alone can determine the choice. |
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1506 If not, choose the class which appears in the MRO |
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1507 of the earliest direct superclass of the new class. |
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1508 */ |
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1509 |
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1510 candidate = PyList_GET_ITEM(cur_list, remain[i]); |
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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 (tail_contains(j_lst, remain[j], candidate)) { |
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1514 goto skip; /* continue outer loop */ |
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1515 } |
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1516 } |
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1517 ok = PyList_Append(acc, candidate); |
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1518 if (ok < 0) { |
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1519 PyMem_FREE(remain); |
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1520 return -1; |
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1521 } |
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1522 for (j = 0; j < to_merge_size; j++) { |
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1523 PyObject *j_lst = PyList_GET_ITEM(to_merge, j); |
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1524 if (remain[j] < PyList_GET_SIZE(j_lst) && |
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1525 PyList_GET_ITEM(j_lst, remain[j]) == candidate) { |
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1526 remain[j]++; |
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1527 } |
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1528 } |
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1529 goto again; |
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1530 skip: ; |
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1531 } |
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1532 |
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1533 if (empty_cnt == to_merge_size) { |
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1534 PyMem_FREE(remain); |
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1535 return 0; |
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1536 } |
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1537 set_mro_error(to_merge, remain); |
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1538 PyMem_FREE(remain); |
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1539 return -1; |
|
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Guido van Rossum <guido@python.org>
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|
1540 } |
|
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Guido van Rossum <guido@python.org>
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|
1541 |
|
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Tim Peters <tim.peters@gmail.com>
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|
1542 static PyObject * |
|
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Tim Peters <tim.peters@gmail.com>
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diff
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|
1543 mro_implementation(PyTypeObject *type) |
|
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1544 { |
|
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1545 Py_ssize_t i, n; |
|
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1546 int ok; |
|
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1547 PyObject *bases, *result; |
|
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1548 PyObject *to_merge, *bases_aslist; |
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1549 |
|
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1550 if (type->tp_dict == NULL) { |
|
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1551 if (PyType_Ready(type) < 0) |
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1552 return NULL; |
|
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1553 } |
|
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1554 |
|
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1555 /* Find a superclass linearization that honors the constraints |
|
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1556 of the explicit lists of bases and the constraints implied by |
|
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1557 each base class. |
|
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1558 |
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1559 to_merge is a list of lists, where each list is a superclass |
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1560 linearization implied by a base class. The last element of |
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1561 to_merge is the declared list of bases. |
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1562 */ |
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1563 |
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1564 bases = type->tp_bases; |
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1565 n = PyTuple_GET_SIZE(bases); |
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1566 |
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1567 to_merge = PyList_New(n+1); |
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1568 if (to_merge == NULL) |
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1569 return NULL; |
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1570 |
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1571 for (i = 0; i < n; i++) { |
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1572 PyObject *base = PyTuple_GET_ITEM(bases, i); |
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1573 PyObject *parentMRO; |
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1574 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro); |
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1575 if (parentMRO == NULL) { |
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1576 Py_DECREF(to_merge); |
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1577 return NULL; |
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1578 } |
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1579 |
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1580 PyList_SET_ITEM(to_merge, i, parentMRO); |
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1581 } |
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1582 |
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1583 bases_aslist = PySequence_List(bases); |
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1584 if (bases_aslist == NULL) { |
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1585 Py_DECREF(to_merge); |
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1586 return NULL; |
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1587 } |
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1588 /* This is just a basic sanity check. */ |
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1589 if (check_duplicates(bases_aslist) < 0) { |
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1590 Py_DECREF(to_merge); |
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1591 Py_DECREF(bases_aslist); |
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1592 return NULL; |
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1593 } |
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1594 PyList_SET_ITEM(to_merge, n, bases_aslist); |
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1595 |
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1596 result = Py_BuildValue("[O]", (PyObject *)type); |
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1597 if (result == NULL) { |
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1598 Py_DECREF(to_merge); |
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1599 return NULL; |
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1600 } |
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1601 |
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1602 ok = pmerge(result, to_merge); |
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1603 Py_DECREF(to_merge); |
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1604 if (ok < 0) { |
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1605 Py_DECREF(result); |
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1606 return NULL; |
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1607 } |
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1608 |
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1609 return result; |
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1610 } |
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1611 |
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1612 static PyObject * |
|
19301
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Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
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1613 mro_external(PyObject *self) |
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1614 { |
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1615 PyTypeObject *type = (PyTypeObject *)self; |
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1616 |
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1617 return mro_implementation(type); |
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1618 } |
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1619 |
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1620 static int |
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1621 mro_internal(PyTypeObject *type) |
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1622 { |
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1623 PyObject *mro, *result, *tuple; |
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1624 int checkit = 0; |
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1625 |
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1626 if (Py_TYPE(type) == &PyType_Type) { |
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1627 result = mro_implementation(type); |
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1628 } |
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1629 else { |
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1630 _Py_IDENTIFIER(mro); |
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1631 checkit = 1; |
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1632 mro = lookup_method((PyObject *)type, &PyId_mro); |
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1633 if (mro == NULL) |
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1634 return -1; |
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1635 result = PyObject_CallObject(mro, NULL); |
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1636 Py_DECREF(mro); |
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1637 } |
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1638 if (result == NULL) |
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1639 return -1; |
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1640 tuple = PySequence_Tuple(result); |
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1641 Py_DECREF(result); |
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1642 if (tuple == NULL) |
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1643 return -1; |
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1644 if (checkit) { |
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1645 Py_ssize_t i, len; |
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1646 PyObject *cls; |
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1647 PyTypeObject *solid; |
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1648 |
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1649 solid = solid_base(type); |
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1650 |
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1651 len = PyTuple_GET_SIZE(tuple); |
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1652 |
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1653 for (i = 0; i < len; i++) { |
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1654 PyTypeObject *t; |
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1655 cls = PyTuple_GET_ITEM(tuple, i); |
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1656 if (!PyType_Check(cls)) { |
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1657 PyErr_Format(PyExc_TypeError, |
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1658 "mro() returned a non-class ('%.500s')", |
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1659 Py_TYPE(cls)->tp_name); |
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1660 Py_DECREF(tuple); |
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1661 return -1; |
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1662 } |
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1663 t = (PyTypeObject*)cls; |
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1664 if (!PyType_IsSubtype(solid, solid_base(t))) { |
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1665 PyErr_Format(PyExc_TypeError, |
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1666 "mro() returned base with unsuitable layout ('%.500s')", |
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1667 t->tp_name); |
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1668 Py_DECREF(tuple); |
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1669 return -1; |
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1670 } |
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1671 } |
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1672 } |
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1673 type->tp_mro = tuple; |
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1674 |
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1675 type_mro_modified(type, type->tp_mro); |
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1676 /* corner case: the super class might have been hidden |
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1677 from the custom MRO */ |
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1678 type_mro_modified(type, type->tp_bases); |
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1679 |
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1680 PyType_Modified(type); |
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1681 |
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1682 return 0; |
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1683 } |
|
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1684 |
|
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1685 |
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1686 /* Calculate the best base amongst multiple base classes. |
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1687 This is the first one that's on the path to the "solid base". */ |
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1688 |
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1689 static PyTypeObject * |
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1690 best_base(PyObject *bases) |
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1691 { |
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1692 Py_ssize_t i, n; |
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1693 PyTypeObject *base, *winner, *candidate, *base_i; |
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1694 PyObject *base_proto; |
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1695 |
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1696 assert(PyTuple_Check(bases)); |
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1697 n = PyTuple_GET_SIZE(bases); |
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1698 assert(n > 0); |
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1699 base = NULL; |
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1700 winner = NULL; |
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1701 for (i = 0; i < n; i++) { |
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1702 base_proto = PyTuple_GET_ITEM(bases, i); |
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1703 if (!PyType_Check(base_proto)) { |
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1704 PyErr_SetString( |
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1705 PyExc_TypeError, |
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1706 "bases must be types"); |
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1707 return NULL; |
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1708 } |
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1709 base_i = (PyTypeObject *)base_proto; |
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1710 if (base_i->tp_dict == NULL) { |
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1711 if (PyType_Ready(base_i) < 0) |
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1712 return NULL; |
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1713 } |
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1714 candidate = solid_base(base_i); |
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1715 if (winner == NULL) { |
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1716 winner = candidate; |
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1717 base = base_i; |
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1718 } |
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1719 else if (PyType_IsSubtype(winner, candidate)) |
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1720 ; |
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1721 else if (PyType_IsSubtype(candidate, winner)) { |
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1722 winner = candidate; |
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1723 base = base_i; |
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1724 } |
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1725 else { |
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1726 PyErr_SetString( |
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1727 PyExc_TypeError, |
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1728 "multiple bases have " |
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1729 "instance lay-out conflict"); |
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1730 return NULL; |
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1731 } |
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1732 } |
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1733 assert (base != NULL); |
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1734 |
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1735 return base; |
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1736 } |
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1737 |
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1738 static int |
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1739 extra_ivars(PyTypeObject *type, PyTypeObject *base) |
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1740 { |
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1741 size_t t_size = type->tp_basicsize; |
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1742 size_t b_size = base->tp_basicsize; |
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1743 |
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1744 assert(t_size >= b_size); /* Else type smaller than base! */ |
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1745 if (type->tp_itemsize || base->tp_itemsize) { |
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1746 /* If itemsize is involved, stricter rules */ |
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1747 return t_size != b_size || |
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1748 type->tp_itemsize != base->tp_itemsize; |
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1749 } |
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1750 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 && |
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1751 type->tp_weaklistoffset + sizeof(PyObject *) == t_size && |
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1752 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1753 t_size -= sizeof(PyObject *); |
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1754 if (type->tp_dictoffset && base->tp_dictoffset == 0 && |
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1755 type->tp_dictoffset + sizeof(PyObject *) == t_size && |
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1756 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1757 t_size -= sizeof(PyObject *); |
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1758 |
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1759 return t_size != b_size; |
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1760 } |
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1761 |
|
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1762 static PyTypeObject * |
|
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|
1763 solid_base(PyTypeObject *type) |
|
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1764 { |
|
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1765 PyTypeObject *base; |
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1766 |
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1767 if (type->tp_base) |
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1768 base = solid_base(type->tp_base); |
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1769 else |
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1770 base = &PyBaseObject_Type; |
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1771 if (extra_ivars(type, base)) |
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1772 return type; |
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1773 else |
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1774 return base; |
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1775 } |
|
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1776 |
|
24280
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1777 static void object_dealloc(PyObject *); |
|
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1778 static int object_init(PyObject *, PyObject *, PyObject *); |
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1779 static int update_slot(PyTypeObject *, PyObject *); |
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1780 static void fixup_slot_dispatchers(PyTypeObject *); |
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1781 |
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1782 /* |
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1783 * Helpers for __dict__ descriptor. We don't want to expose the dicts |
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1784 * inherited from various builtin types. The builtin base usually provides |
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1785 * its own __dict__ descriptor, so we use that when we can. |
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1786 */ |
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1787 static PyTypeObject * |
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1788 get_builtin_base_with_dict(PyTypeObject *type) |
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1789 { |
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1790 while (type->tp_base != NULL) { |
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1791 if (type->tp_dictoffset != 0 && |
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1792 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
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1793 return type; |
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1794 type = type->tp_base; |
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1795 } |
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1796 return NULL; |
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1797 } |
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1798 |
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1799 static PyObject * |
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1800 get_dict_descriptor(PyTypeObject *type) |
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1801 { |
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1802 PyObject *descr; |
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1803 |
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1804 descr = _PyType_LookupId(type, &PyId___dict__); |
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1805 if (descr == NULL || !PyDescr_IsData(descr)) |
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1806 return NULL; |
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1807 |
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1808 return descr; |
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1809 } |
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1810 |
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1811 static void |
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1812 raise_dict_descr_error(PyObject *obj) |
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1813 { |
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1814 PyErr_Format(PyExc_TypeError, |
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1815 "this __dict__ descriptor does not support " |
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1816 "'%.200s' objects", Py_TYPE(obj)->tp_name); |
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1817 } |
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1818 |
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1819 static PyObject * |
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1820 subtype_dict(PyObject *obj, void *context) |
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1821 { |
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1822 PyTypeObject *base; |
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1823 |
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1824 base = get_builtin_base_with_dict(Py_TYPE(obj)); |
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1825 if (base != NULL) { |
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1826 descrgetfunc func; |
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1827 PyObject *descr = get_dict_descriptor(base); |
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1828 if (descr == NULL) { |
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1829 raise_dict_descr_error(obj); |
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1830 return NULL; |
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1831 } |
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1832 func = Py_TYPE(descr)->tp_descr_get; |
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1833 if (func == NULL) { |
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1834 raise_dict_descr_error(obj); |
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1835 return NULL; |
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1836 } |
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1837 return func(descr, obj, (PyObject *)(Py_TYPE(obj))); |
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1838 } |
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1839 return PyObject_GenericGetDict(obj, context); |
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1840 } |
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1841 |
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1842 static int |
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1843 subtype_setdict(PyObject *obj, PyObject *value, void *context) |
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1844 { |
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1845 PyObject *dict, **dictptr; |
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1846 PyTypeObject *base; |
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1847 |
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1848 base = get_builtin_base_with_dict(Py_TYPE(obj)); |
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1849 if (base != NULL) { |
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1850 descrsetfunc func; |
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1851 PyObject *descr = get_dict_descriptor(base); |
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1852 if (descr == NULL) { |
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1853 raise_dict_descr_error(obj); |
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1854 return -1; |
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1855 } |
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1856 func = Py_TYPE(descr)->tp_descr_set; |
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1857 if (func == NULL) { |
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1858 raise_dict_descr_error(obj); |
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1859 return -1; |
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1860 } |
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1861 return func(descr, obj, value); |
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1862 } |
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1863 /* Almost like PyObject_GenericSetDict, but allow __dict__ to be deleted. */ |
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1864 dictptr = _PyObject_GetDictPtr(obj); |
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1865 if (dictptr == NULL) { |
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1866 PyErr_SetString(PyExc_AttributeError, |
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1867 "This object has no __dict__"); |
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1868 return -1; |
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1869 } |
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1870 if (value != NULL && !PyDict_Check(value)) { |
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1871 PyErr_Format(PyExc_TypeError, |
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1872 "__dict__ must be set to a dictionary, " |
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1873 "not a '%.200s'", Py_TYPE(value)->tp_name); |
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1874 return -1; |
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1875 } |
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1876 dict = *dictptr; |
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1877 Py_XINCREF(value); |
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1878 *dictptr = value; |
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1879 Py_XDECREF(dict); |
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1880 return 0; |
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1881 } |
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1882 |
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1883 static PyObject * |
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1884 subtype_getweakref(PyObject *obj, void *context) |
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1885 { |
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1886 PyObject **weaklistptr; |
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1887 PyObject *result; |
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1888 |
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1889 if (Py_TYPE(obj)->tp_weaklistoffset == 0) { |
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1890 PyErr_SetString(PyExc_AttributeError, |
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1891 "This object has no __weakref__"); |
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1892 return NULL; |
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1893 } |
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1894 assert(Py_TYPE(obj)->tp_weaklistoffset > 0); |
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1895 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <= |
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1896 (size_t)(Py_TYPE(obj)->tp_basicsize)); |
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1897 weaklistptr = (PyObject **) |
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1898 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset); |
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1899 if (*weaklistptr == NULL) |
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1900 result = Py_None; |
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1901 else |
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1902 result = *weaklistptr; |
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1903 Py_INCREF(result); |
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1904 return result; |
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1905 } |
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1906 |
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1907 /* Three variants on the subtype_getsets list. */ |
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1908 |
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1909 static PyGetSetDef subtype_getsets_full[] = { |
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1910 {"__dict__", subtype_dict, subtype_setdict, |
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1911 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1912 {"__weakref__", subtype_getweakref, NULL, |
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1913 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1914 {0} |
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1915 }; |
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1916 |
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1917 static PyGetSetDef subtype_getsets_dict_only[] = { |
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1918 {"__dict__", subtype_dict, subtype_setdict, |
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1919 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1920 {0} |
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1921 }; |
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1922 |
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1923 static PyGetSetDef subtype_getsets_weakref_only[] = { |
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1924 {"__weakref__", subtype_getweakref, NULL, |
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1925 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1926 {0} |
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1927 }; |
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1928 |
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1929 static int |
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1930 valid_identifier(PyObject *s) |
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1931 { |
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1932 if (!PyUnicode_Check(s)) { |
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1933 PyErr_Format(PyExc_TypeError, |
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1934 "__slots__ items must be strings, not '%.200s'", |
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1935 Py_TYPE(s)->tp_name); |
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1936 return 0; |
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1937 } |
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1938 if (!PyUnicode_IsIdentifier(s)) { |
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1939 PyErr_SetString(PyExc_TypeError, |
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1940 "__slots__ must be identifiers"); |
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1941 return 0; |
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1942 } |
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1943 return 1; |
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1944 } |
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1945 |
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1946 /* Forward */ |
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1947 static int |
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1948 object_init(PyObject *self, PyObject *args, PyObject *kwds); |
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1949 |
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1950 static int |
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1951 type_init(PyObject *cls, PyObject *args, PyObject *kwds) |
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1952 { |
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1953 int res; |
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1954 |
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1955 assert(args != NULL && PyTuple_Check(args)); |
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1956 assert(kwds == NULL || PyDict_Check(kwds)); |
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1957 |
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1958 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) { |
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1959 PyErr_SetString(PyExc_TypeError, |
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1960 "type.__init__() takes no keyword arguments"); |
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1961 return -1; |
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1962 } |
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1963 |
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1964 if (args != NULL && PyTuple_Check(args) && |
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1965 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) { |
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1966 PyErr_SetString(PyExc_TypeError, |
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1967 "type.__init__() takes 1 or 3 arguments"); |
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1968 return -1; |
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1969 } |
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1970 |
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1971 /* Call object.__init__(self) now. */ |
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1972 /* XXX Could call super(type, cls).__init__() but what's the point? */ |
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1973 args = PyTuple_GetSlice(args, 0, 0); |
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1974 res = object_init(cls, args, NULL); |
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1975 Py_DECREF(args); |
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1976 return res; |
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1977 } |
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1978 |
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1979 unsigned long |
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Martin v. Löwis <martin@v.loewis.de>
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1980 PyType_GetFlags(PyTypeObject *type) |
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1981 { |
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1982 return type->tp_flags; |
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1983 } |
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parents:
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1984 |
|
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1985 /* Determine the most derived metatype. */ |
|
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1986 PyTypeObject * |
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1987 _PyType_CalculateMetaclass(PyTypeObject *metatype, PyObject *bases) |
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1988 { |
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1989 Py_ssize_t i, nbases; |
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1990 PyTypeObject *winner; |
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1991 PyObject *tmp; |
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1992 PyTypeObject *tmptype; |
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1993 |
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1994 /* Determine the proper metatype to deal with this, |
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1995 and check for metatype conflicts while we're at it. |
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1996 Note that if some other metatype wins to contract, |
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1997 it's possible that its instances are not types. */ |
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1998 |
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1999 nbases = PyTuple_GET_SIZE(bases); |
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2000 winner = metatype; |
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2001 for (i = 0; i < nbases; i++) { |
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2002 tmp = PyTuple_GET_ITEM(bases, i); |
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2003 tmptype = Py_TYPE(tmp); |
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2004 if (PyType_IsSubtype(winner, tmptype)) |
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2005 continue; |
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2006 if (PyType_IsSubtype(tmptype, winner)) { |
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2007 winner = tmptype; |
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2008 continue; |
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2009 } |
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2010 /* else: */ |
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2011 PyErr_SetString(PyExc_TypeError, |
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2012 "metaclass conflict: " |
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2013 "the metaclass of a derived class " |
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2014 "must be a (non-strict) subclass " |
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2015 "of the metaclasses of all its bases"); |
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2016 return NULL; |
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2017 } |
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2018 return winner; |
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2019 } |
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2020 |
|
19616
337b53679c73
Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
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2021 static PyObject * |
|
18933
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Tim Peters <tim.peters@gmail.com>
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2022 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds) |
|
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2023 { |
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2024 PyObject *name, *bases = NULL, *orig_dict, *dict = NULL; |
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2025 static char *kwlist[] = {"name", "bases", "dict", 0}; |
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2026 PyObject *qualname, *slots = NULL, *tmp, *newslots; |
|
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2027 PyTypeObject *type = NULL, *base, *tmptype, *winner; |
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2028 PyHeapTypeObject *et; |
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2029 PyMemberDef *mp; |
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2030 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak; |
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2031 int j, may_add_dict, may_add_weak; |
|
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Victor Stinner <victor.stinner@gmail.com>
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2032 _Py_IDENTIFIER(__qualname__); |
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2033 _Py_IDENTIFIER(__slots__); |
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2034 |
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2035 assert(args != NULL && PyTuple_Check(args)); |
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2036 assert(kwds == NULL || PyDict_Check(kwds)); |
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2037 |
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2038 /* Special case: type(x) should return x->ob_type */ |
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2039 { |
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2040 const Py_ssize_t nargs = PyTuple_GET_SIZE(args); |
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2041 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds); |
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2042 |
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2043 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) { |
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2044 PyObject *x = PyTuple_GET_ITEM(args, 0); |
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2045 Py_INCREF(Py_TYPE(x)); |
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2046 return (PyObject *) Py_TYPE(x); |
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2047 } |
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2048 |
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2049 /* SF bug 475327 -- if that didn't trigger, we need 3 |
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2050 arguments. but PyArg_ParseTupleAndKeywords below may give |
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2051 a msg saying type() needs exactly 3. */ |
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2052 if (nargs + nkwds != 3) { |
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2053 PyErr_SetString(PyExc_TypeError, |
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2054 "type() takes 1 or 3 arguments"); |
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2055 return NULL; |
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2056 } |
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2057 } |
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2058 |
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2059 /* Check arguments: (name, bases, dict) */ |
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2060 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist, |
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2061 &name, |
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2062 &PyTuple_Type, &bases, |
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2063 &PyDict_Type, &orig_dict)) |
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2064 return NULL; |
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2065 |
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2066 /* Determine the proper metatype to deal with this: */ |
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2067 winner = _PyType_CalculateMetaclass(metatype, bases); |
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2068 if (winner == NULL) { |
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2069 return NULL; |
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2070 } |
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2071 |
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2072 if (winner != metatype) { |
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2073 if (winner->tp_new != type_new) /* Pass it to the winner */ |
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2074 return winner->tp_new(winner, args, kwds); |
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2075 metatype = winner; |
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2076 } |
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2077 |
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2078 /* Adjust for empty tuple bases */ |
|
73061
c2a89b509be4
Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents:
71889
diff
changeset
|
2079 nbases = PyTuple_GET_SIZE(bases); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2080 if (nbases == 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2081 bases = PyTuple_Pack(1, &PyBaseObject_Type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2082 if (bases == NULL) |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2083 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2084 nbases = 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2085 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
2086 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2087 Py_INCREF(bases); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
2088 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2089 /* Calculate best base, and check that all bases are type objects */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2090 base = best_base(bases); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2091 if (base == NULL) { |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2092 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2093 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2094 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2095 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2096 "type '%.100s' is not an acceptable base type", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2097 base->tp_name); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2098 goto error; |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2099 } |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2100 |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2101 dict = PyDict_Copy(orig_dict); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2102 if (dict == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2103 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2104 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2105 /* Check for a __slots__ sequence variable in dict, and count it */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2106 slots = _PyDict_GetItemId(dict, &PyId___slots__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2107 nslots = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2108 add_dict = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2109 add_weak = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
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changeset
|
2110 may_add_dict = base->tp_dictoffset == 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2111 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2112 if (slots == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2113 if (may_add_dict) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2114 add_dict++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2115 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2116 if (may_add_weak) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2117 add_weak++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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|
2118 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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|
2119 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2120 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
2121 /* Have slots */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2122 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2123 /* Make it into a tuple */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2124 if (PyUnicode_Check(slots)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2125 slots = PyTuple_Pack(1, slots); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2126 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2127 slots = PySequence_Tuple(slots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2128 if (slots == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2129 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2130 assert(PyTuple_Check(slots)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2131 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2132 /* Are slots allowed? */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2133 nslots = PyTuple_GET_SIZE(slots); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2134 if (nslots > 0 && base->tp_itemsize != 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2135 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2136 "nonempty __slots__ " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2137 "not supported for subtype of '%s'", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2138 base->tp_name); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2139 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2140 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2141 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2142 /* Check for valid slot names and two special cases */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2143 for (i = 0; i < nslots; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2144 PyObject *tmp = PyTuple_GET_ITEM(slots, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2145 if (!valid_identifier(tmp)) |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2146 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2147 assert(PyUnicode_Check(tmp)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2148 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2149 if (!may_add_dict || add_dict) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2150 PyErr_SetString(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2151 "__dict__ slot disallowed: " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2152 "we already got one"); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2153 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2154 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2155 add_dict++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2156 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2157 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2158 if (!may_add_weak || add_weak) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2159 PyErr_SetString(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2160 "__weakref__ slot disallowed: " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2161 "either we already got one, " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2162 "or __itemsize__ != 0"); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2163 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2164 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2165 add_weak++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2166 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2167 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2168 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2169 /* Copy slots into a list, mangle names and sort them. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2170 Sorted names are needed for __class__ assignment. |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2171 Convert them back to tuple at the end. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2172 */ |
|
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2173 newslots = PyList_New(nslots - add_dict - add_weak); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2174 if (newslots == NULL) |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2175 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2176 for (i = j = 0; i < nslots; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2177 tmp = PyTuple_GET_ITEM(slots, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2178 if ((add_dict && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2179 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) || |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2180 (add_weak && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2181 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2182 continue; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2183 tmp =_Py_Mangle(name, tmp); |
|
71889
f0515cc7ee20
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents:
71356
diff
changeset
|
2184 if (!tmp) { |
|
f0515cc7ee20
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents:
71356
diff
changeset
|
2185 Py_DECREF(newslots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2186 goto error; |
|
71889
f0515cc7ee20
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents:
71356
diff
changeset
|
2187 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2188 PyList_SET_ITEM(newslots, j, tmp); |
|
71888
45b63a8a76c9
complain when a class variable shadows a name in __slots__ (closes #12766)
Benjamin Peterson <benjamin@python.org>
parents:
71810
diff
changeset
|
2189 if (PyDict_GetItem(dict, tmp)) { |
|
45b63a8a76c9
complain when a class variable shadows a name in __slots__ (closes #12766)
Benjamin Peterson <benjamin@python.org>
parents:
71810
diff
changeset
|
2190 PyErr_Format(PyExc_ValueError, |
|
45b63a8a76c9
complain when a class variable shadows a name in __slots__ (closes #12766)
Benjamin Peterson <benjamin@python.org>
parents:
71810
diff
changeset
|
2191 "%R in __slots__ conflicts with class variable", |
|
45b63a8a76c9
complain when a class variable shadows a name in __slots__ (closes #12766)
Benjamin Peterson <benjamin@python.org>
parents:
71810
diff
changeset
|
2192 tmp); |
|
71892
3d1cdbd76fbe
crush other possible refleaks in this section
Benjamin Peterson <benjamin@python.org>
parents:
71891
diff
changeset
|
2193 Py_DECREF(newslots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2194 goto error; |
|
71888
45b63a8a76c9
complain when a class variable shadows a name in __slots__ (closes #12766)
Benjamin Peterson <benjamin@python.org>
parents:
71810
diff
changeset
|
2195 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2196 j++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2197 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2198 assert(j == nslots - add_dict - add_weak); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
2199 nslots = j; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2200 Py_CLEAR(slots); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2201 if (PyList_Sort(newslots) == -1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2202 Py_DECREF(newslots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2203 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2204 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2205 slots = PyList_AsTuple(newslots); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2206 Py_DECREF(newslots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2207 if (slots == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2208 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2209 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2210 /* Secondary bases may provide weakrefs or dict */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
2211 if (nbases > 1 && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2212 ((may_add_dict && !add_dict) || |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2213 (may_add_weak && !add_weak))) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2214 for (i = 0; i < nbases; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2215 tmp = PyTuple_GET_ITEM(bases, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2216 if (tmp == (PyObject *)base) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2217 continue; /* Skip primary base */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2218 assert(PyType_Check(tmp)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2219 tmptype = (PyTypeObject *)tmp; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2220 if (may_add_dict && !add_dict && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2221 tmptype->tp_dictoffset != 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2222 add_dict++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2223 if (may_add_weak && !add_weak && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2224 tmptype->tp_weaklistoffset != 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2225 add_weak++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2226 if (may_add_dict && !add_dict) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2227 continue; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2228 if (may_add_weak && !add_weak) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2229 continue; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2230 /* Nothing more to check */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2231 break; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2232 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2233 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2234 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2235 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2236 /* Allocate the type object */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2237 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2238 if (type == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2239 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2240 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2241 /* Keep name and slots alive in the extended type object */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2242 et = (PyHeapTypeObject *)type; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2243 Py_INCREF(name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2244 et->ht_name = name; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2245 et->ht_slots = slots; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2246 slots = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2247 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2248 /* Initialize tp_flags */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2249 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE | |
|
84911
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
84725
diff
changeset
|
2250 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_FINALIZE; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2251 if (base->tp_flags & Py_TPFLAGS_HAVE_GC) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2252 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2253 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2254 /* Initialize essential fields */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2255 type->tp_as_number = &et->as_number; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2256 type->tp_as_sequence = &et->as_sequence; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2257 type->tp_as_mapping = &et->as_mapping; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2258 type->tp_as_buffer = &et->as_buffer; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2259 type->tp_name = _PyUnicode_AsString(name); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2260 if (!type->tp_name) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2261 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2262 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2263 /* Set tp_base and tp_bases */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2264 type->tp_bases = bases; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2265 bases = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2266 Py_INCREF(base); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2267 type->tp_base = base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2268 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2269 /* Initialize tp_dict from passed-in dict */ |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2270 Py_INCREF(dict); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2271 type->tp_dict = dict; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2272 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2273 /* Set __module__ in the dict */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2274 if (_PyDict_GetItemId(dict, &PyId___module__) == NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2275 tmp = PyEval_GetGlobals(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2276 if (tmp != NULL) { |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2277 tmp = _PyDict_GetItemId(tmp, &PyId___name__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2278 if (tmp != NULL) { |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2279 if (_PyDict_SetItemId(dict, &PyId___module__, |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2280 tmp) < 0) |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2281 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2282 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2283 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2284 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2285 |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2286 /* Set ht_qualname to dict['__qualname__'] if available, else to |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2287 __name__. The __qualname__ accessor will look for ht_qualname. |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2288 */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2289 qualname = _PyDict_GetItemId(dict, &PyId___qualname__); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2290 if (qualname != NULL) { |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2291 if (!PyUnicode_Check(qualname)) { |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2292 PyErr_Format(PyExc_TypeError, |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2293 "type __qualname__ must be a str, not %s", |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2294 Py_TYPE(qualname)->tp_name); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2295 goto error; |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2296 } |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2297 } |
|
80077
1d700e1aff33
don't shadow the __qualname__ descriptor with __qualname__ in the class's __dict__ (closes #16271)
Benjamin Peterson <benjamin@python.org>
parents:
79049
diff
changeset
|
2298 et->ht_qualname = qualname ? qualname : et->ht_name; |
|
1d700e1aff33
don't shadow the __qualname__ descriptor with __qualname__ in the class's __dict__ (closes #16271)
Benjamin Peterson <benjamin@python.org>
parents:
79049
diff
changeset
|
2299 Py_INCREF(et->ht_qualname); |
|
1d700e1aff33
don't shadow the __qualname__ descriptor with __qualname__ in the class's __dict__ (closes #16271)
Benjamin Peterson <benjamin@python.org>
parents:
79049
diff
changeset
|
2300 if (qualname != NULL && PyDict_DelItem(dict, PyId___qualname__.object) < 0) |
|
1d700e1aff33
don't shadow the __qualname__ descriptor with __qualname__ in the class's __dict__ (closes #16271)
Benjamin Peterson <benjamin@python.org>
parents:
79049
diff
changeset
|
2301 goto error; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2302 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2303 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2304 and is a string. The __doc__ accessor will first look for tp_doc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2305 if that fails, it will still look into __dict__. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2306 */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2307 { |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2308 PyObject *doc = _PyDict_GetItemId(dict, &PyId___doc__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2309 if (doc != NULL && PyUnicode_Check(doc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2310 Py_ssize_t len; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2311 char *doc_str; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2312 char *tp_doc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2313 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2314 doc_str = _PyUnicode_AsString(doc); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2315 if (doc_str == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2316 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2317 /* Silently truncate the docstring if it contains null bytes. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2318 len = strlen(doc_str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2319 tp_doc = (char *)PyObject_MALLOC(len + 1); |
|
84643
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2320 if (tp_doc == NULL) { |
|
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2321 PyErr_NoMemory(); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2322 goto error; |
|
84643
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2323 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2324 memcpy(tp_doc, doc_str, len + 1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2325 type->tp_doc = tp_doc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2326 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2327 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2328 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2329 /* Special-case __new__: if it's a plain function, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2330 make it a static function */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2331 tmp = _PyDict_GetItemId(dict, &PyId___new__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2332 if (tmp != NULL && PyFunction_Check(tmp)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2333 tmp = PyStaticMethod_New(tmp); |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2334 if (tmp == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2335 goto error; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2336 if (_PyDict_SetItemId(dict, &PyId___new__, tmp) < 0) |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
2337 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2338 Py_DECREF(tmp); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2339 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2340 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2341 /* Add descriptors for custom slots from __slots__, or for __dict__ */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2342 mp = PyHeapType_GET_MEMBERS(et); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2343 slotoffset = base->tp_basicsize; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2344 if (et->ht_slots != NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2345 for (i = 0; i < nslots; i++, mp++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2346 mp->name = _PyUnicode_AsString( |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2347 PyTuple_GET_ITEM(et->ht_slots, i)); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2348 if (mp->name == NULL) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2349 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2350 mp->type = T_OBJECT_EX; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2351 mp->offset = slotoffset; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2352 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2353 /* __dict__ and __weakref__ are already filtered out */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2354 assert(strcmp(mp->name, "__dict__") != 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2355 assert(strcmp(mp->name, "__weakref__") != 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2356 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2357 slotoffset += sizeof(PyObject *); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2358 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2359 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2360 if (add_dict) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2361 if (base->tp_itemsize) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2362 type->tp_dictoffset = -(long)sizeof(PyObject *); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2363 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2364 type->tp_dictoffset = slotoffset; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2365 slotoffset += sizeof(PyObject *); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2366 } |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76060
diff
changeset
|
2367 if (type->tp_dictoffset) { |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76060
diff
changeset
|
2368 et->ht_cached_keys = _PyDict_NewKeysForClass(); |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76060
diff
changeset
|
2369 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2370 if (add_weak) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2371 assert(!base->tp_itemsize); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2372 type->tp_weaklistoffset = slotoffset; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2373 slotoffset += sizeof(PyObject *); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2374 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2375 type->tp_basicsize = slotoffset; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2376 type->tp_itemsize = base->tp_itemsize; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2377 type->tp_members = PyHeapType_GET_MEMBERS(et); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2378 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2379 if (type->tp_weaklistoffset && type->tp_dictoffset) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2380 type->tp_getset = subtype_getsets_full; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2381 else if (type->tp_weaklistoffset && !type->tp_dictoffset) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2382 type->tp_getset = subtype_getsets_weakref_only; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2383 else if (!type->tp_weaklistoffset && type->tp_dictoffset) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2384 type->tp_getset = subtype_getsets_dict_only; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2385 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2386 type->tp_getset = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2387 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2388 /* Special case some slots */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2389 if (type->tp_dictoffset != 0 || nslots > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2390 if (base->tp_getattr == NULL && base->tp_getattro == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2391 type->tp_getattro = PyObject_GenericGetAttr; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2392 if (base->tp_setattr == NULL && base->tp_setattro == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2393 type->tp_setattro = PyObject_GenericSetAttr; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2394 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2395 type->tp_dealloc = subtype_dealloc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2396 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2397 /* Enable GC unless there are really no instance variables possible */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2398 if (!(type->tp_basicsize == sizeof(PyObject) && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2399 type->tp_itemsize == 0)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2400 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2401 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2402 /* Always override allocation strategy to use regular heap */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2403 type->tp_alloc = PyType_GenericAlloc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2404 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2405 type->tp_free = PyObject_GC_Del; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2406 type->tp_traverse = subtype_traverse; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2407 type->tp_clear = subtype_clear; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2408 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2409 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2410 type->tp_free = PyObject_Del; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2411 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2412 /* Initialize the rest */ |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2413 if (PyType_Ready(type) < 0) |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2414 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2415 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2416 /* Put the proper slots in place */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2417 fixup_slot_dispatchers(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2418 |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2419 Py_DECREF(dict); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2420 return (PyObject *)type; |
|
75249
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2421 |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2422 error: |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2423 Py_XDECREF(dict); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2424 Py_XDECREF(bases); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2425 Py_XDECREF(slots); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2426 Py_XDECREF(type); |
|
b83ae75beaca
Close #14095: type.__new__() doesn't remove __qualname__ key from the class
Victor Stinner <victor.stinner@gmail.com>
parents:
75054
diff
changeset
|
2427 return NULL; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2428 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2429 |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2430 static short slotoffsets[] = { |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2431 -1, /* invalid slot */ |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2432 #include "typeslots.inc" |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2433 }; |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2434 |
|
74684
32816454ba30
adjust declaration
Benjamin Peterson <benjamin@python.org>
parents:
73978
diff
changeset
|
2435 PyObject * |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2436 PyType_FromSpecWithBases(PyType_Spec *spec, PyObject *bases) |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2437 { |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2438 PyHeapTypeObject *res = (PyHeapTypeObject*)PyType_GenericAlloc(&PyType_Type, 0); |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2439 PyTypeObject *type, *base; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2440 char *s; |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2441 char *res_start = (char*)res; |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2442 PyType_Slot *slot; |
|
84560
a2d6274e2fc8
typeobject.c: remove trailing spaces
Victor Stinner <victor.stinner@gmail.com>
parents:
84512
diff
changeset
|
2443 |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2444 /* Set the type name and qualname */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2445 s = strrchr(spec->name, '.'); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2446 if (s == NULL) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2447 s = (char*)spec->name; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2448 else |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2449 s++; |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2450 |
|
68073
7b011cf64f90
- Check for NULL result in PyType_FromSpec.
Martin v. Löwis <martin@v.loewis.de>
parents:
67962
diff
changeset
|
2451 if (res == NULL) |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2452 return NULL; |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2453 type = &res->ht_type; |
|
77659
33737210c906
Try to fix crash on x86 OpenIndiana buildbot.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77658
diff
changeset
|
2454 /* The flags must be initialized early, before the GC traverses us */ |
|
33737210c906
Try to fix crash on x86 OpenIndiana buildbot.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77658
diff
changeset
|
2455 type->tp_flags = spec->flags | Py_TPFLAGS_HEAPTYPE; |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2456 res->ht_name = PyUnicode_FromString(s); |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2457 if (!res->ht_name) |
|
76925
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2458 goto fail; |
|
73738
e1dbc72bd97f
PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents:
73501
diff
changeset
|
2459 res->ht_qualname = res->ht_name; |
|
e1dbc72bd97f
PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents:
73501
diff
changeset
|
2460 Py_INCREF(res->ht_qualname); |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2461 type->tp_name = spec->name; |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2462 if (!type->tp_name) |
|
76925
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2463 goto fail; |
|
84560
a2d6274e2fc8
typeobject.c: remove trailing spaces
Victor Stinner <victor.stinner@gmail.com>
parents:
84512
diff
changeset
|
2464 |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2465 /* Adjust for empty tuple bases */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2466 if (!bases) { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2467 base = &PyBaseObject_Type; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2468 /* See whether Py_tp_base(s) was specified */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2469 for (slot = spec->slots; slot->slot; slot++) { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2470 if (slot->slot == Py_tp_base) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2471 base = slot->pfunc; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2472 else if (slot->slot == Py_tp_bases) { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2473 bases = slot->pfunc; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2474 Py_INCREF(bases); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2475 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2476 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2477 if (!bases) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2478 bases = PyTuple_Pack(1, base); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2479 if (!bases) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2480 goto fail; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2481 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2482 else |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2483 Py_INCREF(bases); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2484 |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2485 /* Calculate best base, and check that all bases are type objects */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2486 base = best_base(bases); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2487 if (base == NULL) { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2488 goto fail; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2489 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2490 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2491 PyErr_Format(PyExc_TypeError, |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2492 "type '%.100s' is not an acceptable base type", |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2493 base->tp_name); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2494 goto fail; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2495 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2496 |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2497 /* Initialize essential fields */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2498 type->tp_as_number = &res->as_number; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2499 type->tp_as_sequence = &res->as_sequence; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2500 type->tp_as_mapping = &res->as_mapping; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2501 type->tp_as_buffer = &res->as_buffer; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2502 /* Set tp_base and tp_bases */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2503 type->tp_bases = bases; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2504 bases = NULL; |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2505 Py_INCREF(base); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2506 type->tp_base = base; |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2507 |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2508 type->tp_basicsize = spec->basicsize; |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2509 type->tp_itemsize = spec->itemsize; |
|
67347
3bf4d9f1660a
Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents:
66664
diff
changeset
|
2510 |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2511 for (slot = spec->slots; slot->slot; slot++) { |
|
72510
b534b56379cb
Use the new Py_ARRAY_LENGTH macro
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72504
diff
changeset
|
2512 if (slot->slot >= Py_ARRAY_LENGTH(slotoffsets)) { |
|
76925
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2513 PyErr_SetString(PyExc_RuntimeError, "invalid slot offset"); |
|
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2514 goto fail; |
|
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2515 } |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2516 if (slot->slot == Py_tp_base || slot->slot == Py_tp_bases) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2517 /* Processed above */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2518 continue; |
|
76925
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2519 *(void**)(res_start + slotoffsets[slot->slot]) = slot->pfunc; |
|
67962
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2520 |
|
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2521 /* need to make a copy of the docstring slot, which usually |
|
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2522 points to a static string literal */ |
|
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2523 if (slot->slot == Py_tp_doc) { |
|
76924
2bbf3ba30435
Use size_t, not ssize_t (issue #14801).
Antoine Pitrou <solipsis@pitrou.net>
parents:
76836
diff
changeset
|
2524 size_t len = strlen(slot->pfunc)+1; |
|
67962
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2525 char *tp_doc = PyObject_MALLOC(len); |
|
84643
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2526 if (tp_doc == NULL) { |
|
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2527 PyErr_NoMemory(); |
|
76925
6b037a9eaba7
Remove tab characters
Antoine Pitrou <solipsis@pitrou.net>
parents:
76924
diff
changeset
|
2528 goto fail; |
|
84643
c676fc74d779
Issue #18408: type_new() and PyType_FromSpecWithBases() now raise MemoryError
Victor Stinner <victor.stinner@gmail.com>
parents:
84575
diff
changeset
|
2529 } |
|
67962
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2530 memcpy(tp_doc, slot->pfunc, len); |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2531 type->tp_doc = tp_doc; |
|
67962
788eafaef7dc
#11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents:
67877
diff
changeset
|
2532 } |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2533 } |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2534 if (type->tp_dictoffset) { |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76060
diff
changeset
|
2535 res->ht_cached_keys = _PyDict_NewKeysForClass(); |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76060
diff
changeset
|
2536 } |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2537 if (type->tp_dealloc == NULL) { |
|
77628
1794308c1ea7
Issue #15142: Fix reference leak when deallocating instances of types created using PyType_FromSpec().
Antoine Pitrou <solipsis@pitrou.net>
parents:
76925
diff
changeset
|
2538 /* It's a heap type, so needs the heap types' dealloc. |
|
1794308c1ea7
Issue #15142: Fix reference leak when deallocating instances of types created using PyType_FromSpec().
Antoine Pitrou <solipsis@pitrou.net>
parents:
76925
diff
changeset
|
2539 subtype_dealloc will call the base type's tp_dealloc, if |
|
1794308c1ea7
Issue #15142: Fix reference leak when deallocating instances of types created using PyType_FromSpec().
Antoine Pitrou <solipsis@pitrou.net>
parents:
76925
diff
changeset
|
2540 necessary. */ |
|
77655
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2541 type->tp_dealloc = subtype_dealloc; |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2542 } |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2543 |
|
7ce45e2625c3
Use struct member (ht_type) instead of casting pointers.
Antoine Pitrou <solipsis@pitrou.net>
parents:
77651
diff
changeset
|
2544 if (PyType_Ready(type) < 0) |
|
74685
e858bb04f7e7
ready types returned from PyType_FromSpec
Benjamin Peterson <benjamin@python.org>
parents:
74684
diff
changeset
|
2545 goto fail; |
|
e858bb04f7e7
ready types returned from PyType_FromSpec
Benjamin Peterson <benjamin@python.org>
parents:
74684
diff
changeset
|
2546 |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2547 /* Set type.__module__ */ |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2548 s = strrchr(spec->name, '.'); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2549 if (s != NULL) |
|
84560
a2d6274e2fc8
typeobject.c: remove trailing spaces
Victor Stinner <victor.stinner@gmail.com>
parents:
84512
diff
changeset
|
2550 _PyDict_SetItemId(type->tp_dict, &PyId___module__, |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2551 PyUnicode_FromStringAndSize( |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2552 spec->name, (Py_ssize_t)(s - spec->name))); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2553 |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2554 return (PyObject*)res; |
|
67347
3bf4d9f1660a
Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents:
66664
diff
changeset
|
2555 |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2556 fail: |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2557 Py_DECREF(res); |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2558 return NULL; |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2559 } |
|
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2560 |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2561 PyObject * |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2562 PyType_FromSpec(PyType_Spec *spec) |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2563 { |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2564 return PyType_FromSpecWithBases(spec, NULL); |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2565 } |
|
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
2566 |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
65603
diff
changeset
|
2567 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2568 /* Internal API to look for a name through the MRO. |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2569 This returns a borrowed reference, and doesn't set an exception! */ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2570 PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2571 _PyType_Lookup(PyTypeObject *type, PyObject *name) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2572 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2573 Py_ssize_t i, n; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2574 PyObject *mro, *res, *base, *dict; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2575 unsigned int h; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2576 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2577 if (MCACHE_CACHEABLE_NAME(name) && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2578 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2579 /* fast path */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2580 h = MCACHE_HASH_METHOD(type, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2581 if (method_cache[h].version == type->tp_version_tag && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2582 method_cache[h].name == name) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2583 return method_cache[h].value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2584 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2585 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2586 /* Look in tp_dict of types in MRO */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2587 mro = type->tp_mro; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2588 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2589 /* If mro is NULL, the type is either not yet initialized |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2590 by PyType_Ready(), or already cleared by type_clear(). |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2591 Either way the safest thing to do is to return NULL. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2592 if (mro == NULL) |
|
f197407bdba2
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|
2593 return NULL; |
|
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|
2594 |
|
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|
2595 res = NULL; |
|
75497
21e245ed3747
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|
2596 /* keep a strong reference to mro because type->tp_mro can be replaced |
|
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|
2597 during PyDict_GetItem(dict, name) */ |
|
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|
2598 Py_INCREF(mro); |
|
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|
2599 assert(PyTuple_Check(mro)); |
|
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2600 n = PyTuple_GET_SIZE(mro); |
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|
2601 for (i = 0; i < n; i++) { |
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2602 base = PyTuple_GET_ITEM(mro, i); |
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|
2603 assert(PyType_Check(base)); |
|
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|
2604 dict = ((PyTypeObject *)base)->tp_dict; |
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|
2605 assert(dict && PyDict_Check(dict)); |
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|
2606 res = PyDict_GetItem(dict, name); |
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|
2607 if (res != NULL) |
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|
2608 break; |
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2609 } |
|
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|
2610 Py_DECREF(mro); |
|
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2611 |
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2612 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) { |
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2613 h = MCACHE_HASH_METHOD(type, name); |
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2614 method_cache[h].version = type->tp_version_tag; |
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2615 method_cache[h].value = res; /* borrowed */ |
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2616 Py_INCREF(name); |
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2617 Py_DECREF(method_cache[h].name); |
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2618 method_cache[h].name = name; |
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2619 } |
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2620 return res; |
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2621 } |
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2622 |
|
75959
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|
2623 static PyObject * |
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2624 _PyType_LookupId(PyTypeObject *type, struct _Py_Identifier *name) |
|
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2625 { |
|
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|
2626 PyObject *oname; |
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2627 oname = _PyUnicode_FromId(name); /* borrowed */ |
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|
2628 if (oname == NULL) |
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|
2629 return NULL; |
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2630 return _PyType_Lookup(type, oname); |
|
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|
2631 } |
|
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|
2632 |
|
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2633 /* This is similar to PyObject_GenericGetAttr(), |
|
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|
2634 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */ |
|
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|
2635 static PyObject * |
|
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|
2636 type_getattro(PyTypeObject *type, PyObject *name) |
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2637 { |
|
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2638 PyTypeObject *metatype = Py_TYPE(type); |
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2639 PyObject *meta_attribute, *attribute; |
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2640 descrgetfunc meta_get; |
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2641 |
|
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2642 if (!PyUnicode_Check(name)) { |
|
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2643 PyErr_Format(PyExc_TypeError, |
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2644 "attribute name must be string, not '%.200s'", |
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|
2645 name->ob_type->tp_name); |
|
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|
2646 return NULL; |
|
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|
2647 } |
|
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|
2648 |
|
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2649 /* Initialize this type (we'll assume the metatype is initialized) */ |
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2650 if (type->tp_dict == NULL) { |
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2651 if (PyType_Ready(type) < 0) |
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2652 return NULL; |
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2653 } |
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2654 |
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2655 /* No readable descriptor found yet */ |
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|
2656 meta_get = NULL; |
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2657 |
|
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2658 /* Look for the attribute in the metatype */ |
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2659 meta_attribute = _PyType_Lookup(metatype, name); |
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2660 |
|
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2661 if (meta_attribute != NULL) { |
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2662 meta_get = Py_TYPE(meta_attribute)->tp_descr_get; |
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2663 |
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2664 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) { |
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2665 /* Data descriptors implement tp_descr_set to intercept |
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2666 * writes. Assume the attribute is not overridden in |
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2667 * type's tp_dict (and bases): call the descriptor now. |
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2668 */ |
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2669 return meta_get(meta_attribute, (PyObject *)type, |
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2670 (PyObject *)metatype); |
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2671 } |
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2672 Py_INCREF(meta_attribute); |
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2673 } |
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2674 |
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2675 /* No data descriptor found on metatype. Look in tp_dict of this |
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2676 * type and its bases */ |
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2677 attribute = _PyType_Lookup(type, name); |
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2678 if (attribute != NULL) { |
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2679 /* Implement descriptor functionality, if any */ |
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2680 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get; |
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2681 |
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2682 Py_XDECREF(meta_attribute); |
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2683 |
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2684 if (local_get != NULL) { |
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2685 /* NULL 2nd argument indicates the descriptor was |
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2686 * found on the target object itself (or a base) */ |
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2687 return local_get(attribute, (PyObject *)NULL, |
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2688 (PyObject *)type); |
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2689 } |
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2690 |
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2691 Py_INCREF(attribute); |
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2692 return attribute; |
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2693 } |
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2694 |
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2695 /* No attribute found in local __dict__ (or bases): use the |
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2696 * descriptor from the metatype, if any */ |
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2697 if (meta_get != NULL) { |
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2698 PyObject *res; |
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2699 res = meta_get(meta_attribute, (PyObject *)type, |
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|
2700 (PyObject *)metatype); |
|
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|
2701 Py_DECREF(meta_attribute); |
|
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|
2702 return res; |
|
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|
2703 } |
|
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|
2704 |
|
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|
2705 /* If an ordinary attribute was found on the metatype, return it now */ |
|
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|
2706 if (meta_attribute != NULL) { |
|
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|
2707 return meta_attribute; |
|
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|
2708 } |
|
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|
2709 |
|
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|
2710 /* Give up */ |
|
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|
2711 PyErr_Format(PyExc_AttributeError, |
|
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|
2712 "type object '%.50s' has no attribute '%U'", |
|
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|
2713 type->tp_name, name); |
|
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|
2714 return NULL; |
|
18933
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Tim Peters <tim.peters@gmail.com>
parents:
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|
2715 } |
|
09df3254b49d
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|
2716 |
|
09df3254b49d
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|
2717 static int |
|
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|
2718 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value) |
|
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|
2719 { |
|
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2720 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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|
2721 PyErr_Format( |
|
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|
2722 PyExc_TypeError, |
|
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|
2723 "can't set attributes of built-in/extension type '%s'", |
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|
2724 type->tp_name); |
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|
2725 return -1; |
|
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|
2726 } |
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2727 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0) |
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|
2728 return -1; |
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|
2729 return update_slot(type, name); |
|
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2730 } |
|
09df3254b49d
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|
2731 |
|
76581
a3beae842f13
decref cached keys on type deallocation (#13903)
Benjamin Peterson <benjamin@python.org>
parents:
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|
2732 extern void |
|
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decref cached keys on type deallocation (#13903)
Benjamin Peterson <benjamin@python.org>
parents:
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|
2733 _PyDictKeys_DecRef(PyDictKeysObject *keys); |
|
a3beae842f13
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Benjamin Peterson <benjamin@python.org>
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|
2734 |
|
18933
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|
2735 static void |
|
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|
2736 type_dealloc(PyTypeObject *type) |
|
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|
2737 { |
|
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|
2738 PyHeapTypeObject *et; |
|
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|
2739 |
|
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|
2740 /* Assert this is a heap-allocated type object */ |
|
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|
2741 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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|
2742 _PyObject_GC_UNTRACK(type); |
|
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|
2743 PyObject_ClearWeakRefs((PyObject *)type); |
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|
2744 et = (PyHeapTypeObject *)type; |
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|
2745 Py_XDECREF(type->tp_base); |
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|
2746 Py_XDECREF(type->tp_dict); |
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|
2747 Py_XDECREF(type->tp_bases); |
|
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|
2748 Py_XDECREF(type->tp_mro); |
|
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|
2749 Py_XDECREF(type->tp_cache); |
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|
2750 Py_XDECREF(type->tp_subclasses); |
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|
2751 /* A type's tp_doc is heap allocated, unlike the tp_doc slots |
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|
2752 * of most other objects. It's okay to cast it to char *. |
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|
2753 */ |
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|
2754 PyObject_Free((char *)type->tp_doc); |
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|
2755 Py_XDECREF(et->ht_name); |
|
73738
e1dbc72bd97f
PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
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|
2756 Py_XDECREF(et->ht_qualname); |
|
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|
2757 Py_XDECREF(et->ht_slots); |
|
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|
2758 if (et->ht_cached_keys) |
|
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Benjamin Peterson <benjamin@python.org>
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|
2759 _PyDictKeys_DecRef(et->ht_cached_keys); |
|
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|
2760 Py_TYPE(type)->tp_free((PyObject *)type); |
|
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|
2761 } |
|
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|
2762 |
|
20315
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
2763 static PyObject * |
|
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
2764 type_subclasses(PyTypeObject *type, PyObject *args_ignored) |
|
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
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parents:
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|
2765 { |
|
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|
2766 PyObject *list, *raw, *ref; |
|
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|
2767 Py_ssize_t i, n; |
|
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|
2768 |
|
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|
2769 list = PyList_New(0); |
|
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|
2770 if (list == NULL) |
|
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|
2771 return NULL; |
|
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|
2772 raw = type->tp_subclasses; |
|
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|
2773 if (raw == NULL) |
|
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|
2774 return list; |
|
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|
2775 assert(PyList_Check(raw)); |
|
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|
2776 n = PyList_GET_SIZE(raw); |
|
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|
2777 for (i = 0; i < n; i++) { |
|
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|
2778 ref = PyList_GET_ITEM(raw, i); |
|
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|
2779 assert(PyWeakref_CheckRef(ref)); |
|
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|
2780 ref = PyWeakref_GET_OBJECT(ref); |
|
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|
2781 if (ref != Py_None) { |
|
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|
2782 if (PyList_Append(list, ref) < 0) { |
|
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|
2783 Py_DECREF(list); |
|
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|
2784 return NULL; |
|
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|
2785 } |
|
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2786 } |
|
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|
2787 } |
|
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|
2788 return list; |
|
20315
7b41f7a2e528
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Guido van Rossum <guido@python.org>
parents:
20296
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changeset
|
2789 } |
|
7b41f7a2e528
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Guido van Rossum <guido@python.org>
parents:
20296
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changeset
|
2790 |
|
42420
02c27177df79
Add a default __prepare__() method to 'type', so it can be called
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parents:
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changeset
|
2791 static PyObject * |
|
02c27177df79
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diff
changeset
|
2792 type_prepare(PyObject *self, PyObject *args, PyObject *kwds) |
|
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|
2793 { |
|
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|
2794 return PyDict_New(); |
|
42420
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|
2795 } |
|
02c27177df79
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parents:
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diff
changeset
|
2796 |
|
72510
b534b56379cb
Use the new Py_ARRAY_LENGTH macro
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72504
diff
changeset
|
2797 /* |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
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changeset
|
2798 Merge the __dict__ of aclass into dict, and recursively also all |
|
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move specialized dir implementations into __dir__ methods (closes #12166)
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changeset
|
2799 the __dict__s of aclass's base classes. The order of merging isn't |
|
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|
2800 defined, as it's expected that only the final set of dict keys is |
|
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|
2801 interesting. |
|
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|
2802 Return 0 on success, -1 on error. |
|
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|
2803 */ |
|
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|
2804 |
|
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changeset
|
2805 static int |
|
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changeset
|
2806 merge_class_dict(PyObject *dict, PyObject *aclass) |
|
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|
2807 { |
|
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|
2808 PyObject *classdict; |
|
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changeset
|
2809 PyObject *bases; |
|
72925
7109f31300fb
Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents:
72913
diff
changeset
|
2810 _Py_IDENTIFIER(__bases__); |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
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|
2811 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2812 assert(PyDict_Check(dict)); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2813 assert(aclass); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2814 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2815 /* Merge in the type's dict (if any). */ |
|
72848
81380082d216
Use identifier API for PyObject_GetAttrString.
Martin v. Löwis <martin@v.loewis.de>
parents:
72835
diff
changeset
|
2816 classdict = _PyObject_GetAttrId(aclass, &PyId___dict__); |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2817 if (classdict == NULL) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2818 PyErr_Clear(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2819 else { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2820 int status = PyDict_Update(dict, classdict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2821 Py_DECREF(classdict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2822 if (status < 0) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2823 return -1; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2824 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2825 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2826 /* Recursively merge in the base types' (if any) dicts. */ |
|
72848
81380082d216
Use identifier API for PyObject_GetAttrString.
Martin v. Löwis <martin@v.loewis.de>
parents:
72835
diff
changeset
|
2827 bases = _PyObject_GetAttrId(aclass, &PyId___bases__); |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2828 if (bases == NULL) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2829 PyErr_Clear(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2830 else { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2831 /* We have no guarantee that bases is a real tuple */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2832 Py_ssize_t i, n; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2833 n = PySequence_Size(bases); /* This better be right */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2834 if (n < 0) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2835 PyErr_Clear(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2836 else { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2837 for (i = 0; i < n; i++) { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
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changeset
|
2838 int status; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2839 PyObject *base = PySequence_GetItem(bases, i); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2840 if (base == NULL) { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2841 Py_DECREF(bases); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2842 return -1; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2843 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2844 status = merge_class_dict(dict, base); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2845 Py_DECREF(base); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2846 if (status < 0) { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2847 Py_DECREF(bases); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2848 return -1; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2849 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2850 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2851 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2852 Py_DECREF(bases); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2853 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2854 return 0; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2855 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2856 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2857 /* __dir__ for type objects: returns __dict__ and __bases__. |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2858 We deliberately don't suck up its __class__, as methods belonging to the |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2859 metaclass would probably be more confusing than helpful. |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2860 */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2861 static PyObject * |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2862 type_dir(PyObject *self, PyObject *args) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
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parents:
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diff
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|
2863 { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
2864 PyObject *result = NULL; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2865 PyObject *dict = PyDict_New(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2866 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2867 if (dict != NULL && merge_class_dict(dict, self) == 0) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2868 result = PyDict_Keys(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2869 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2870 Py_XDECREF(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2871 return result; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
2872 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
2873 |
|
76530
b044e0568be2
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Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2874 static PyObject* |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2875 type_sizeof(PyObject *self, PyObject *args_unused) |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2876 { |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2877 Py_ssize_t size; |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2878 PyTypeObject *type = (PyTypeObject*)self; |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2879 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2880 PyHeapTypeObject* et = (PyHeapTypeObject*)type; |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2881 size = sizeof(PyHeapTypeObject); |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2882 if (et->ht_cached_keys) |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2883 size += _PyDict_KeysSize(et->ht_cached_keys); |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2884 } |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2885 else |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2886 size = sizeof(PyTypeObject); |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2887 return PyLong_FromSsize_t(size); |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
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diff
changeset
|
2888 } |
|
b044e0568be2
Account for shared keys in type's __sizeof__ (#13903).
Martin v. Loewis <martin@v.loewis.de>
parents:
76519
diff
changeset
|
2889 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
2890 static PyMethodDef type_methods[] = { |
|
61467
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|
2891 {"mro", (PyCFunction)mro_external, METH_NOARGS, |
|
f197407bdba2
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|
2892 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")}, |
|
f197407bdba2
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|
2893 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS, |
|
f197407bdba2
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|
2894 PyDoc_STR("__subclasses__() -> list of immediate subclasses")}, |
|
f197407bdba2
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|
2895 {"__prepare__", (PyCFunction)type_prepare, |
|
f197407bdba2
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|
2896 METH_VARARGS | METH_KEYWORDS | METH_CLASS, |
|
f197407bdba2
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|
2897 PyDoc_STR("__prepare__() -> dict\n" |
|
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|
2898 "used to create the namespace for the class statement")}, |
|
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|
2899 {"__instancecheck__", type___instancecheck__, METH_O, |
|
70338
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|
2900 PyDoc_STR("__instancecheck__() -> bool\ncheck if an object is an instance")}, |
|
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|
2901 {"__subclasscheck__", type___subclasscheck__, METH_O, |
|
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|
2902 PyDoc_STR("__subclasscheck__() -> bool\ncheck if a class is a subclass")}, |
|
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|
2903 {"__dir__", type_dir, METH_NOARGS, |
|
70342
6f078d80898f
indicate return value on __dir__ methods
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|
2904 PyDoc_STR("__dir__() -> list\nspecialized __dir__ implementation for types")}, |
|
76530
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|
2905 {"__sizeof__", type_sizeof, METH_NOARGS, |
|
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|
2906 "__sizeof__() -> int\nreturn memory consumption of the type object"}, |
|
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|
2907 {0} |
|
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|
2908 }; |
|
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changeset
|
2909 |
|
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parents:
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diff
changeset
|
2910 PyDoc_STRVAR(type_doc, |
|
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changeset
|
2911 "type(object) -> the object's type\n" |
|
23832
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changeset
|
2912 "type(name, bases, dict) -> a new type"); |
|
18933
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|
2913 |
|
20220
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diff
changeset
|
2914 static int |
|
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Guido van Rossum <guido@python.org>
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diff
changeset
|
2915 type_traverse(PyTypeObject *type, visitproc visit, void *arg) |
|
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|
2916 { |
|
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2917 /* Because of type_is_gc(), the collector only calls this |
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2918 for heaptypes. */ |
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2919 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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2920 char msg[200]; |
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2921 sprintf(msg, "type_traverse() called for non-heap type '%.100s'", |
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2922 type->tp_name); |
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2923 Py_FatalError(msg); |
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2924 } |
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2925 |
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2926 Py_VISIT(type->tp_dict); |
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2927 Py_VISIT(type->tp_cache); |
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2928 Py_VISIT(type->tp_mro); |
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2929 Py_VISIT(type->tp_bases); |
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2930 Py_VISIT(type->tp_base); |
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2931 |
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2932 /* There's no need to visit type->tp_subclasses or |
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2933 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved |
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2934 in cycles; tp_subclasses is a list of weak references, |
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2935 and slots is a tuple of strings. */ |
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2936 |
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2937 return 0; |
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2938 } |
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2939 |
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2940 static int |
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2941 type_clear(PyTypeObject *type) |
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2942 { |
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2943 PyDictKeysObject *cached_keys; |
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2944 /* Because of type_is_gc(), the collector only calls this |
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2945 for heaptypes. */ |
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2946 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2947 |
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2948 /* We need to invalidate the method cache carefully before clearing |
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2949 the dict, so that other objects caught in a reference cycle |
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2950 don't start calling destroyed methods. |
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2951 |
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2952 Otherwise, the only field we need to clear is tp_mro, which is |
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2953 part of a hard cycle (its first element is the class itself) that |
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2954 won't be broken otherwise (it's a tuple and tuples don't have a |
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2955 tp_clear handler). None of the other fields need to be |
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2956 cleared, and here's why: |
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2957 |
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2958 tp_cache: |
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2959 Not used; if it were, it would be a dict. |
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2960 |
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2961 tp_bases, tp_base: |
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2962 If these are involved in a cycle, there must be at least |
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2963 one other, mutable object in the cycle, e.g. a base |
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2964 class's dict; the cycle will be broken that way. |
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2965 |
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2966 tp_subclasses: |
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2967 A list of weak references can't be part of a cycle; and |
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2968 lists have their own tp_clear. |
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2969 |
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2970 slots (in PyHeapTypeObject): |
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2971 A tuple of strings can't be part of a cycle. |
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2972 */ |
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2973 |
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2974 PyType_Modified(type); |
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2975 cached_keys = ((PyHeapTypeObject *)type)->ht_cached_keys; |
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2976 if (cached_keys != NULL) { |
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2977 ((PyHeapTypeObject *)type)->ht_cached_keys = NULL; |
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2978 _PyDictKeys_DecRef(cached_keys); |
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2979 } |
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2980 if (type->tp_dict) |
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2981 PyDict_Clear(type->tp_dict); |
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2982 Py_CLEAR(type->tp_mro); |
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2983 |
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2984 return 0; |
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2985 } |
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2986 |
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2987 static int |
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2988 type_is_gc(PyTypeObject *type) |
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2989 { |
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2990 return type->tp_flags & Py_TPFLAGS_HEAPTYPE; |
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2991 } |
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2992 |
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2993 PyTypeObject PyType_Type = { |
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2994 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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2995 "type", /* tp_name */ |
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2996 sizeof(PyHeapTypeObject), /* tp_basicsize */ |
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2997 sizeof(PyMemberDef), /* tp_itemsize */ |
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2998 (destructor)type_dealloc, /* tp_dealloc */ |
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2999 0, /* tp_print */ |
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3000 0, /* tp_getattr */ |
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3001 0, /* tp_setattr */ |
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3002 0, /* tp_reserved */ |
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3003 (reprfunc)type_repr, /* tp_repr */ |
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3004 0, /* tp_as_number */ |
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3005 0, /* tp_as_sequence */ |
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3006 0, /* tp_as_mapping */ |
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3007 0, /* tp_hash */ |
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3008 (ternaryfunc)type_call, /* tp_call */ |
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3009 0, /* tp_str */ |
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3010 (getattrofunc)type_getattro, /* tp_getattro */ |
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3011 (setattrofunc)type_setattro, /* tp_setattro */ |
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3012 0, /* tp_as_buffer */ |
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3013 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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3014 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */ |
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3015 type_doc, /* tp_doc */ |
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3016 (traverseproc)type_traverse, /* tp_traverse */ |
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3017 (inquiry)type_clear, /* tp_clear */ |
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3018 0, /* tp_richcompare */ |
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3019 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */ |
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3020 0, /* tp_iter */ |
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3021 0, /* tp_iternext */ |
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3022 type_methods, /* tp_methods */ |
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|
3023 type_members, /* tp_members */ |
|
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3024 type_getsets, /* tp_getset */ |
|
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|
3025 0, /* tp_base */ |
|
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|
3026 0, /* tp_dict */ |
|
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|
3027 0, /* tp_descr_get */ |
|
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|
3028 0, /* tp_descr_set */ |
|
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3029 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */ |
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|
3030 type_init, /* tp_init */ |
|
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|
3031 0, /* tp_alloc */ |
|
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3032 type_new, /* tp_new */ |
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|
3033 PyObject_GC_Del, /* tp_free */ |
|
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|
3034 (inquiry)type_is_gc, /* tp_is_gc */ |
|
18933
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Tim Peters <tim.peters@gmail.com>
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3035 }; |
|
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|
3036 |
|
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Tim Peters <tim.peters@gmail.com>
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|
3037 |
|
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Merge of descr-branch back into trunk.
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|
3038 /* The base type of all types (eventually)... except itself. */ |
|
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3039 |
|
41554
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3040 /* You may wonder why object.__new__() only complains about arguments |
|
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3041 when object.__init__() is not overridden, and vice versa. |
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3042 |
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3043 Consider the use cases: |
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3044 |
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3045 1. When neither is overridden, we want to hear complaints about |
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3046 excess (i.e., any) arguments, since their presence could |
|
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3047 indicate there's a bug. |
|
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3048 |
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3049 2. When defining an Immutable type, we are likely to override only |
|
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3050 __new__(), since __init__() is called too late to initialize an |
|
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3051 Immutable object. Since __new__() defines the signature for the |
|
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3052 type, it would be a pain to have to override __init__() just to |
|
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3053 stop it from complaining about excess arguments. |
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3054 |
|
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3055 3. When defining a Mutable type, we are likely to override only |
|
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3056 __init__(). So here the converse reasoning applies: we don't |
|
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3057 want to have to override __new__() just to stop it from |
|
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3058 complaining. |
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3059 |
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3060 4. When __init__() is overridden, and the subclass __init__() calls |
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3061 object.__init__(), the latter should complain about excess |
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3062 arguments; ditto for __new__(). |
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3063 |
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3064 Use cases 2 and 3 make it unattractive to unconditionally check for |
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3065 excess arguments. The best solution that addresses all four use |
|
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3066 cases is as follows: __init__() complains about excess arguments |
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3067 unless __new__() is overridden and __init__() is not overridden |
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3068 (IOW, if __init__() is overridden or __new__() is not overridden); |
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3069 symmetrically, __new__() complains about excess arguments unless |
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3070 __init__() is overridden and __new__() is not overridden |
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3071 (IOW, if __new__() is overridden or __init__() is not overridden). |
|
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3072 |
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3073 However, for backwards compatibility, this breaks too much code. |
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3074 Therefore, in 2.6, we'll *warn* about excess arguments when both |
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3075 methods are overridden; for all other cases we'll use the above |
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3076 rules. |
|
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3077 |
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3078 */ |
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3079 |
|
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|
3080 /* Forward */ |
|
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|
3081 static PyObject * |
|
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|
3082 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds); |
|
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3083 |
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|
3084 static int |
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|
3085 excess_args(PyObject *args, PyObject *kwds) |
|
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3086 { |
|
61467
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3087 return PyTuple_GET_SIZE(args) || |
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|
3088 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds)); |
|
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3089 } |
|
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|
3090 |
|
18933
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3091 static int |
|
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3092 object_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3093 { |
|
61467
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|
3094 int err = 0; |
|
75773
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
parents:
75761
diff
changeset
|
3095 PyTypeObject *type = Py_TYPE(self); |
|
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
parents:
75761
diff
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|
3096 if (excess_args(args, kwds) && |
|
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
parents:
75761
diff
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|
3097 (type->tp_new == object_new || type->tp_init != object_init)) { |
|
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
parents:
75761
diff
changeset
|
3098 PyErr_SetString(PyExc_TypeError, "object.__init__() takes no parameters"); |
|
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
parents:
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|
3099 err = -1; |
|
61467
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3100 } |
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|
3101 return err; |
|
18933
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Tim Peters <tim.peters@gmail.com>
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|
3102 } |
|
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Tim Peters <tim.peters@gmail.com>
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3103 |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
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|
3104 static PyObject * |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
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|
3105 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
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|
3106 { |
|
75773
25b71858cb14
make extra arguments to object.__init__/__new__ to errors in most cases (finishes #1683368)
Benjamin Peterson <benjamin@python.org>
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|
3107 if (excess_args(args, kwds) && |
|
25b71858cb14
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Benjamin Peterson <benjamin@python.org>
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|
3108 (type->tp_init == object_init || type->tp_new != object_new)) { |
|
82260
0e438442fddf
#7963: fix error message when 'object' called with arguments.
R David Murray <rdmurray@bitdance.com>
diff
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|
3109 PyErr_SetString(PyExc_TypeError, "object() takes no parameters"); |
|
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3110 return NULL; |
|
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|
3111 } |
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3112 |
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3113 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) { |
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3114 PyObject *abstract_methods = NULL; |
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3115 PyObject *builtins; |
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3116 PyObject *sorted; |
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3117 PyObject *sorted_methods = NULL; |
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|
3118 PyObject *joined = NULL; |
|
75761
1bb05dd557b1
simply this slightly
Benjamin Peterson <benjamin@python.org>
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|
3119 PyObject *comma; |
|
1bb05dd557b1
simply this slightly
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|
3120 _Py_static_string(comma_id, ", "); |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
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75773
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|
3121 _Py_IDENTIFIER(sorted); |
|
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3122 |
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|
3123 /* Compute ", ".join(sorted(type.__abstractmethods__)) |
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3124 into joined. */ |
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3125 abstract_methods = type_abstractmethods(type, NULL); |
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3126 if (abstract_methods == NULL) |
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3127 goto error; |
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3128 builtins = PyEval_GetBuiltins(); |
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3129 if (builtins == NULL) |
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|
3130 goto error; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3131 sorted = _PyDict_GetItemId(builtins, &PyId_sorted); |
|
61467
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changeset
|
3132 if (sorted == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3133 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3134 sorted_methods = PyObject_CallFunctionObjArgs(sorted, |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3135 abstract_methods, |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3136 NULL); |
|
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parents:
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diff
changeset
|
3137 if (sorted_methods == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3138 goto error; |
|
75761
1bb05dd557b1
simply this slightly
Benjamin Peterson <benjamin@python.org>
parents:
75738
diff
changeset
|
3139 comma = _PyUnicode_FromId(&comma_id); |
|
1bb05dd557b1
simply this slightly
Benjamin Peterson <benjamin@python.org>
parents:
75738
diff
changeset
|
3140 if (comma == NULL) |
|
1bb05dd557b1
simply this slightly
Benjamin Peterson <benjamin@python.org>
parents:
75738
diff
changeset
|
3141 goto error; |
|
1bb05dd557b1
simply this slightly
Benjamin Peterson <benjamin@python.org>
parents:
75738
diff
changeset
|
3142 joined = PyUnicode_Join(comma, sorted_methods); |
|
61467
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parents:
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diff
changeset
|
3143 if (joined == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3144 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3145 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3146 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
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diff
changeset
|
3147 "Can't instantiate abstract class %s " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3148 "with abstract methods %U", |
|
f197407bdba2
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diff
changeset
|
3149 type->tp_name, |
|
f197407bdba2
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|
3150 joined); |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
3151 error: |
|
f197407bdba2
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changeset
|
3152 Py_XDECREF(joined); |
|
f197407bdba2
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changeset
|
3153 Py_XDECREF(sorted_methods); |
|
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changeset
|
3154 Py_XDECREF(abstract_methods); |
|
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|
3155 return NULL; |
|
f197407bdba2
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|
3156 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3157 return type->tp_alloc(type, 0); |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
3158 } |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
3159 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3160 static void |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3161 object_dealloc(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3162 { |
|
61467
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parents:
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diff
changeset
|
3163 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
|
3164 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3165 |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
3166 static PyObject * |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
3167 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
|
3168 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3169 PyTypeObject *type; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3170 PyObject *mod, *name, *rtn; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3171 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3172 type = Py_TYPE(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3173 mod = type_module(type, NULL); |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3174 if (mod == NULL) |
|
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changeset
|
3175 PyErr_Clear(); |
|
f197407bdba2
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changeset
|
3176 else if (!PyUnicode_Check(mod)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3177 Py_DECREF(mod); |
|
f197407bdba2
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changeset
|
3178 mod = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3179 } |
|
73738
e1dbc72bd97f
PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents:
73501
diff
changeset
|
3180 name = type_qualname(type, NULL); |
|
78964
302561c9387a
Fixed memory leak in error branch of object_repr which may leak a reference to mod when type_name returns NULL. CID 715371
Christian Heimes <christian@cheimes.de>
parents:
78940
diff
changeset
|
3181 if (name == NULL) { |
|
302561c9387a
Fixed memory leak in error branch of object_repr which may leak a reference to mod when type_name returns NULL. CID 715371
Christian Heimes <christian@cheimes.de>
parents:
78940
diff
changeset
|
3182 Py_XDECREF(mod); |
|
61467
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changeset
|
3183 return NULL; |
|
78964
302561c9387a
Fixed memory leak in error branch of object_repr which may leak a reference to mod when type_name returns NULL. CID 715371
Christian Heimes <christian@cheimes.de>
parents:
78940
diff
changeset
|
3184 } |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3185 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins")) |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3186 rtn = PyUnicode_FromFormat("<%U.%U object at %p>", mod, name, self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3187 else |
|
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changeset
|
3188 rtn = PyUnicode_FromFormat("<%s object at %p>", |
|
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|
3189 type->tp_name, self); |
|
f197407bdba2
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|
3190 Py_XDECREF(mod); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3191 Py_DECREF(name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3192 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
|
3193 } |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
3194 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3195 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3196 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
|
3197 { |
|
61467
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changeset
|
3198 unaryfunc f; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3199 |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3200 f = Py_TYPE(self)->tp_repr; |
|
76518
971865f12377
don't use a slot wrapper from a different special method (closes #14658)
Benjamin Peterson <benjamin@python.org>
parents:
76059
diff
changeset
|
3201 if (f == NULL) |
|
61467
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|
3202 f = object_repr; |
|
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diff
changeset
|
3203 return f(self); |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3204 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3205 |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3206 static PyObject * |
|
39644
13d5e5f0e993
Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents:
39624
diff
changeset
|
3207 object_richcompare(PyObject *self, PyObject *other, int op) |
|
13d5e5f0e993
Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents:
39624
diff
changeset
|
3208 { |
|
61467
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|
3209 PyObject *res; |
|
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|
3210 |
|
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|
3211 switch (op) { |
|
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|
3212 |
|
f197407bdba2
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|
3213 case Py_EQ: |
|
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|
3214 /* Return NotImplemented instead of False, so if two |
|
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|
3215 objects are compared, both get a chance at the |
|
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|
3216 comparison. See issue #1393. */ |
|
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|
3217 res = (self == other) ? Py_True : Py_NotImplemented; |
|
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|
3218 Py_INCREF(res); |
|
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|
3219 break; |
|
f197407bdba2
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|
3220 |
|
f197407bdba2
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|
3221 case Py_NE: |
|
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|
3222 /* By default, != returns the opposite of ==, |
|
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|
3223 unless the latter returns NotImplemented. */ |
|
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|
3224 res = PyObject_RichCompare(self, other, Py_EQ); |
|
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|
3225 if (res != NULL && res != Py_NotImplemented) { |
|
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|
3226 int ok = PyObject_IsTrue(res); |
|
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|
3227 Py_DECREF(res); |
|
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|
3228 if (ok < 0) |
|
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|
3229 res = NULL; |
|
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|
3230 else { |
|
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|
3231 if (ok) |
|
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|
3232 res = Py_False; |
|
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|
3233 else |
|
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|
3234 res = Py_True; |
|
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|
3235 Py_INCREF(res); |
|
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|
3236 } |
|
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|
3237 } |
|
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|
3238 break; |
|
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|
3239 |
|
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|
3240 default: |
|
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|
3241 res = Py_NotImplemented; |
|
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|
3242 Py_INCREF(res); |
|
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|
3243 break; |
|
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|
3244 } |
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|
3245 |
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|
3246 return res; |
|
39644
13d5e5f0e993
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|
3247 } |
|
13d5e5f0e993
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|
3248 |
|
13d5e5f0e993
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|
3249 static PyObject * |
|
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|
3250 object_get_class(PyObject *self, void *closure) |
|
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3251 { |
|
61467
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|
3252 Py_INCREF(Py_TYPE(self)); |
|
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|
3253 return (PyObject *)(Py_TYPE(self)); |
|
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3254 } |
|
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|
3255 |
|
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|
3256 static int |
|
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|
3257 equiv_structs(PyTypeObject *a, PyTypeObject *b) |
|
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3258 { |
|
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3259 return a == b || |
|
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3260 (a != NULL && |
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3261 b != NULL && |
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3262 a->tp_basicsize == b->tp_basicsize && |
|
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3263 a->tp_itemsize == b->tp_itemsize && |
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3264 a->tp_dictoffset == b->tp_dictoffset && |
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3265 a->tp_weaklistoffset == b->tp_weaklistoffset && |
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3266 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) == |
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3267 (b->tp_flags & Py_TPFLAGS_HAVE_GC))); |
|
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3268 } |
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3269 |
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3270 static int |
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3271 same_slots_added(PyTypeObject *a, PyTypeObject *b) |
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3272 { |
|
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3273 PyTypeObject *base = a->tp_base; |
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3274 Py_ssize_t size; |
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3275 PyObject *slots_a, *slots_b; |
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3276 |
|
67647
c59cea218547
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|
3277 assert(base == b->tp_base); |
|
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3278 size = base->tp_basicsize; |
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3279 if (a->tp_dictoffset == size && b->tp_dictoffset == size) |
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3280 size += sizeof(PyObject *); |
|
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3281 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size) |
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3282 size += sizeof(PyObject *); |
|
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3283 |
|
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3284 /* Check slots compliance */ |
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3285 slots_a = ((PyHeapTypeObject *)a)->ht_slots; |
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3286 slots_b = ((PyHeapTypeObject *)b)->ht_slots; |
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3287 if (slots_a && slots_b) { |
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3288 if (PyObject_RichCompareBool(slots_a, slots_b, Py_EQ) != 1) |
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3289 return 0; |
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3290 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a); |
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3291 } |
|
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3292 return size == a->tp_basicsize && size == b->tp_basicsize; |
|
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3293 } |
|
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|
3294 |
|
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|
3295 static int |
|
37879
f731859e9b3b
Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
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|
3296 compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr) |
| 26421 | 3297 { |
|
61467
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3298 PyTypeObject *newbase, *oldbase; |
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3299 |
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3300 if (newto->tp_dealloc != oldto->tp_dealloc || |
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|
3301 newto->tp_free != oldto->tp_free) |
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3302 { |
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|
3303 PyErr_Format(PyExc_TypeError, |
|
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|
3304 "%s assignment: " |
|
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|
3305 "'%s' deallocator differs from '%s'", |
|
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|
3306 attr, |
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|
3307 newto->tp_name, |
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|
3308 oldto->tp_name); |
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|
3309 return 0; |
|
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3310 } |
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|
3311 newbase = newto; |
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|
3312 oldbase = oldto; |
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3313 while (equiv_structs(newbase, newbase->tp_base)) |
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3314 newbase = newbase->tp_base; |
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|
3315 while (equiv_structs(oldbase, oldbase->tp_base)) |
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3316 oldbase = oldbase->tp_base; |
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|
3317 if (newbase != oldbase && |
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3318 (newbase->tp_base != oldbase->tp_base || |
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3319 !same_slots_added(newbase, oldbase))) { |
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3320 PyErr_Format(PyExc_TypeError, |
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3321 "%s assignment: " |
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3322 "'%s' object layout differs from '%s'", |
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3323 attr, |
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3324 newto->tp_name, |
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|
3325 oldto->tp_name); |
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|
3326 return 0; |
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3327 } |
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3328 |
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|
3329 return 1; |
| 26421 | 3330 } |
| 3331 | |
| 3332 static int | |
|
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|
3333 object_set_class(PyObject *self, PyObject *value, void *closure) |
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3334 { |
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3335 PyTypeObject *oldto = Py_TYPE(self); |
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3336 PyTypeObject *newto; |
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3337 |
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3338 if (value == NULL) { |
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3339 PyErr_SetString(PyExc_TypeError, |
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3340 "can't delete __class__ attribute"); |
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3341 return -1; |
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3342 } |
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3343 if (!PyType_Check(value)) { |
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|
3344 PyErr_Format(PyExc_TypeError, |
|
73949
021e5bb297d1
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|
3345 "__class__ must be set to a class, not '%s' object", |
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3346 Py_TYPE(value)->tp_name); |
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3347 return -1; |
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3348 } |
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3349 newto = (PyTypeObject *)value; |
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3350 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) || |
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3351 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
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diff
changeset
|
3352 { |
|
f197407bdba2
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diff
changeset
|
3353 PyErr_Format(PyExc_TypeError, |
|
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changeset
|
3354 "__class__ assignment: only for heap types"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
3355 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3356 } |
|
84725
a65856044ad4
Issue #18327: Fix argument order in call to compatible_for_assignment(oldto, newto, attr).
Christian Heimes <christian@cheimes.de>
parents:
84706
diff
changeset
|
3357 if (compatible_for_assignment(oldto, newto, "__class__")) { |
|
61467
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|
3358 Py_INCREF(newto); |
|
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|
3359 Py_TYPE(self) = newto; |
|
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|
3360 Py_DECREF(oldto); |
|
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|
3361 return 0; |
|
f197407bdba2
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|
3362 } |
|
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|
3363 else { |
|
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|
3364 return -1; |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3365 } |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3366 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3367 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3368 static PyGetSetDef object_getsets[] = { |
|
61467
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|
3369 {"__class__", object_get_class, object_set_class, |
|
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|
3370 PyDoc_STR("the object's class")}, |
|
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|
3371 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3372 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3373 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3374 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3375 /* Stuff to implement __reduce_ex__ for pickle protocols >= 2. |
|
46867
dd5513b472dc
Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46644
diff
changeset
|
3376 We fall back to helpers in copyreg for: |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3377 - pickle protocols < 2 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3378 - 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
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|
3379 - 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
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|
3380 */ |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3381 |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3382 static PyObject * |
|
46867
dd5513b472dc
Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46644
diff
changeset
|
3383 import_copyreg(void) |
|
dd5513b472dc
Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
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diff
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|
3384 { |
|
61467
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|
3385 static PyObject *copyreg_str; |
|
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|
3386 |
|
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|
3387 if (!copyreg_str) { |
|
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|
3388 copyreg_str = PyUnicode_InternFromString("copyreg"); |
|
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|
3389 if (copyreg_str == NULL) |
|
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|
3390 return NULL; |
|
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|
3391 } |
|
83612
8c1385205a35
Issue #17408: Avoid using an obsolete instance of the copyreg module when the interpreter is shutdown and then started again.
Antoine Pitrou <solipsis@pitrou.net>
parents:
83284
diff
changeset
|
3392 if (!cached_copyreg_module) { |
|
8c1385205a35
Issue #17408: Avoid using an obsolete instance of the copyreg module when the interpreter is shutdown and then started again.
Antoine Pitrou <solipsis@pitrou.net>
parents:
83284
diff
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|
3393 cached_copyreg_module = PyImport_Import(copyreg_str); |
|
8c1385205a35
Issue #17408: Avoid using an obsolete instance of the copyreg module when the interpreter is shutdown and then started again.
Antoine Pitrou <solipsis@pitrou.net>
parents:
83284
diff
changeset
|
3394 } |
|
8c1385205a35
Issue #17408: Avoid using an obsolete instance of the copyreg module when the interpreter is shutdown and then started again.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
3395 |
|
8c1385205a35
Issue #17408: Avoid using an obsolete instance of the copyreg module when the interpreter is shutdown and then started again.
Antoine Pitrou <solipsis@pitrou.net>
parents:
83284
diff
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|
3396 Py_XINCREF(cached_copyreg_module); |
|
8c1385205a35
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Antoine Pitrou <solipsis@pitrou.net>
parents:
83284
diff
changeset
|
3397 return cached_copyreg_module; |
|
28016
b849482c70c6
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Guido van Rossum <guido@python.org>
parents:
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diff
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|
3398 } |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3399 |
|
b849482c70c6
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Guido van Rossum <guido@python.org>
parents:
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diff
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|
3400 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3401 slotnames(PyObject *cls) |
|
b849482c70c6
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Guido van Rossum <guido@python.org>
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|
3402 { |
|
61467
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|
3403 PyObject *clsdict; |
|
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|
3404 PyObject *copyreg; |
|
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|
3405 PyObject *slotnames; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3406 _Py_IDENTIFIER(__slotnames__); |
|
72925
7109f31300fb
Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents:
72913
diff
changeset
|
3407 _Py_IDENTIFIER(_slotnames); |
|
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|
3408 |
|
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|
3409 clsdict = ((PyTypeObject *)cls)->tp_dict; |
|
75959
c67f3681e032
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Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
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|
3410 slotnames = _PyDict_GetItemId(clsdict, &PyId___slotnames__); |
|
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|
3411 if (slotnames != NULL && PyList_Check(slotnames)) { |
|
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|
3412 Py_INCREF(slotnames); |
|
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|
3413 return slotnames; |
|
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|
3414 } |
|
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|
3415 |
|
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|
3416 copyreg = import_copyreg(); |
|
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|
3417 if (copyreg == NULL) |
|
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|
3418 return NULL; |
|
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|
3419 |
|
72835
5e33219492bc
Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents:
72510
diff
changeset
|
3420 slotnames = _PyObject_CallMethodId(copyreg, &PyId__slotnames, "O", cls); |
|
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|
3421 Py_DECREF(copyreg); |
|
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|
3422 if (slotnames != NULL && |
|
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|
3423 slotnames != Py_None && |
|
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|
3424 !PyList_Check(slotnames)) |
|
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|
3425 { |
|
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|
3426 PyErr_SetString(PyExc_TypeError, |
|
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|
3427 "copyreg._slotnames didn't return a list or None"); |
|
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|
3428 Py_DECREF(slotnames); |
|
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|
3429 slotnames = NULL; |
|
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|
3430 } |
|
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|
3431 |
|
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|
3432 return slotnames; |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3433 } |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
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|
3434 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3435 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3436 reduce_2(PyObject *obj) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
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|
3437 { |
|
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|
3438 PyObject *cls, *getnewargs; |
|
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|
3439 PyObject *args = NULL, *args2 = NULL; |
|
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|
3440 PyObject *getstate = NULL, *state = NULL, *names = NULL; |
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|
3441 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL; |
|
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|
3442 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL; |
|
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|
3443 Py_ssize_t i, n; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3444 _Py_IDENTIFIER(__getnewargs__); |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3445 _Py_IDENTIFIER(__getstate__); |
|
c67f3681e032
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Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3446 _Py_IDENTIFIER(__newobj__); |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3447 |
|
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3448 cls = (PyObject *) Py_TYPE(obj); |
|
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3449 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3450 getnewargs = _PyObject_GetAttrId(obj, &PyId___getnewargs__); |
|
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|
3451 if (getnewargs != NULL) { |
|
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|
3452 args = PyObject_CallObject(getnewargs, NULL); |
|
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|
3453 Py_DECREF(getnewargs); |
|
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|
3454 if (args != NULL && !PyTuple_Check(args)) { |
|
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|
3455 PyErr_Format(PyExc_TypeError, |
|
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|
3456 "__getnewargs__ should return a tuple, " |
|
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changeset
|
3457 "not '%.200s'", Py_TYPE(args)->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3458 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3459 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3460 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3461 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3462 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3463 args = PyTuple_New(0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3464 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3465 if (args == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3466 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3467 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3468 getstate = _PyObject_GetAttrId(obj, &PyId___getstate__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3469 if (getstate != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3470 state = PyObject_CallObject(getstate, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3471 Py_DECREF(getstate); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3472 if (state == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3473 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3474 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3475 else { |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3476 PyObject **dict; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3477 PyErr_Clear(); |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3478 dict = _PyObject_GetDictPtr(obj); |
|
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3479 if (dict && *dict) |
|
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3480 state = *dict; |
|
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3481 else |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3482 state = Py_None; |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3483 Py_INCREF(state); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3484 names = slotnames(cls); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3485 if (names == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3486 goto end; |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3487 if (names != Py_None && PyList_GET_SIZE(names) > 0) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3488 assert(PyList_Check(names)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3489 slots = PyDict_New(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3490 if (slots == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3491 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3492 n = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3493 /* Can't pre-compute the list size; the list |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3494 is stored on the class so accessible to other |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3495 threads, which may be run by DECREF */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3496 for (i = 0; i < PyList_GET_SIZE(names); i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3497 PyObject *name, *value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3498 name = PyList_GET_ITEM(names, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3499 value = PyObject_GetAttr(obj, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3500 if (value == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3501 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3502 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3503 int err = PyDict_SetItem(slots, name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3504 value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3505 Py_DECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3506 if (err) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3507 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3508 n++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3509 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3510 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3511 if (n) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3512 state = Py_BuildValue("(NO)", state, slots); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3513 if (state == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3514 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3515 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3516 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3517 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3518 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3519 if (!PyList_Check(obj)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3520 listitems = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3521 Py_INCREF(listitems); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3522 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3523 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3524 listitems = PyObject_GetIter(obj); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3525 if (listitems == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3526 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3527 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3528 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3529 if (!PyDict_Check(obj)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3530 dictitems = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3531 Py_INCREF(dictitems); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3532 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3533 else { |
|
72925
7109f31300fb
Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents:
72913
diff
changeset
|
3534 _Py_IDENTIFIER(items); |
|
72835
5e33219492bc
Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents:
72510
diff
changeset
|
3535 PyObject *items = _PyObject_CallMethodId(obj, &PyId_items, ""); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3536 if (items == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3537 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3538 dictitems = PyObject_GetIter(items); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3539 Py_DECREF(items); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3540 if (dictitems == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3541 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3542 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3543 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3544 copyreg = import_copyreg(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3545 if (copyreg == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3546 goto end; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3547 newobj = _PyObject_GetAttrId(copyreg, &PyId___newobj__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3548 if (newobj == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3549 goto end; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3550 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3551 n = PyTuple_GET_SIZE(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3552 args2 = PyTuple_New(n+1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3553 if (args2 == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3554 goto end; |
|
68383
ff0220c9d213
Issue #9935: Speed up pickling of instances of user-defined classes.
Antoine Pitrou <solipsis@pitrou.net>
parents:
68258
diff
changeset
|
3555 Py_INCREF(cls); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3556 PyTuple_SET_ITEM(args2, 0, cls); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3557 for (i = 0; i < n; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3558 PyObject *v = PyTuple_GET_ITEM(args, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3559 Py_INCREF(v); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3560 PyTuple_SET_ITEM(args2, i+1, v); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3561 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3562 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3563 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
|
3564 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3565 end: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3566 Py_XDECREF(args); |
|
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|
3567 Py_XDECREF(args2); |
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|
3568 Py_XDECREF(slots); |
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|
3569 Py_XDECREF(state); |
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|
3570 Py_XDECREF(names); |
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|
3571 Py_XDECREF(listitems); |
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|
3572 Py_XDECREF(dictitems); |
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|
3573 Py_XDECREF(copyreg); |
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|
3574 Py_XDECREF(newobj); |
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|
3575 return res; |
|
28016
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|
3576 } |
|
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3577 |
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41554
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3578 /* |
|
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3579 * There were two problems when object.__reduce__ and object.__reduce_ex__ |
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3580 * were implemented in the same function: |
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3581 * - trying to pickle an object with a custom __reduce__ method that |
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3582 * fell back to object.__reduce__ in certain circumstances led to |
|
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3583 * infinite recursion at Python level and eventual RuntimeError. |
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3584 * - Pickling objects that lied about their type by overwriting the |
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3585 * __class__ descriptor could lead to infinite recursion at C level |
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3586 * and eventual segfault. |
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3587 * |
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3588 * Because of backwards compatibility, the two methods still have to |
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3589 * behave in the same way, even if this is not required by the pickle |
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3590 * protocol. This common functionality was moved to the _common_reduce |
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3591 * function. |
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3592 */ |
|
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3593 static PyObject * |
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|
3594 _common_reduce(PyObject *self, int proto) |
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3595 { |
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3596 PyObject *copyreg, *res; |
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3597 |
|
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3598 if (proto >= 2) |
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3599 return reduce_2(self); |
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3600 |
|
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3601 copyreg = import_copyreg(); |
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3602 if (!copyreg) |
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3603 return NULL; |
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3604 |
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3605 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto); |
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3606 Py_DECREF(copyreg); |
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3607 |
|
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3608 return res; |
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3609 } |
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3610 |
|
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3611 static PyObject * |
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3612 object_reduce(PyObject *self, PyObject *args) |
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3613 { |
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3614 int proto = 0; |
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3615 |
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3616 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto)) |
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3617 return NULL; |
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3618 |
|
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3619 return _common_reduce(self, proto); |
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3620 } |
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3621 |
|
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|
3622 static PyObject * |
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|
3623 object_reduce_ex(PyObject *self, PyObject *args) |
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3624 { |
|
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|
3625 static PyObject *objreduce; |
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3626 PyObject *reduce, *res; |
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3627 int proto = 0; |
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3628 _Py_IDENTIFIER(__reduce__); |
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3629 |
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3630 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto)) |
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3631 return NULL; |
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3632 |
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|
3633 if (objreduce == NULL) { |
|
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|
3634 objreduce = _PyDict_GetItemId(PyBaseObject_Type.tp_dict, |
|
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|
3635 &PyId___reduce__); |
|
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|
3636 if (objreduce == NULL) |
|
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Antoine Pitrou <solipsis@pitrou.net>
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|
3637 return NULL; |
|
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3638 } |
|
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|
3639 |
|
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|
3640 reduce = _PyObject_GetAttrId(self, &PyId___reduce__); |
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3641 if (reduce == NULL) |
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3642 PyErr_Clear(); |
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3643 else { |
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|
3644 PyObject *cls, *clsreduce; |
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3645 int override; |
|
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3646 |
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|
3647 cls = (PyObject *) Py_TYPE(self); |
|
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3648 clsreduce = _PyObject_GetAttrId(cls, &PyId___reduce__); |
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3649 if (clsreduce == NULL) { |
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3650 Py_DECREF(reduce); |
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3651 return NULL; |
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3652 } |
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3653 override = (clsreduce != objreduce); |
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3654 Py_DECREF(clsreduce); |
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3655 if (override) { |
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3656 res = PyObject_CallObject(reduce, NULL); |
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3657 Py_DECREF(reduce); |
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3658 return res; |
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3659 } |
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3660 else |
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3661 Py_DECREF(reduce); |
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3662 } |
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3663 |
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3664 return _common_reduce(self, proto); |
|
20084
48e93ef3c5b7
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|
3665 } |
|
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3666 |
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3667 static PyObject * |
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3668 object_subclasshook(PyObject *cls, PyObject *args) |
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|
3669 { |
|
71810
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|
3670 Py_RETURN_NOTIMPLEMENTED; |
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3671 } |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3672 |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3673 PyDoc_STRVAR(object_subclasshook_doc, |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3674 "Abstract classes can override this to customize issubclass().\n" |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3675 "\n" |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3676 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n" |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3677 "It should return True, False or NotImplemented. If it returns\n" |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3678 "NotImplemented, the normal algorithm is used. Otherwise, it\n" |
|
8dd30fe11a4b
Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
45026
diff
changeset
|
3679 "overrides the normal algorithm (and the outcome is cached).\n"); |
|
42817
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3680 |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3681 /* |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3682 from PEP 3101, this code implements: |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3683 |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3684 class object: |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3685 def __format__(self, format_spec): |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3686 return format(str(self), format_spec) |
|
42817
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3687 */ |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3688 static PyObject * |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3689 object_format(PyObject *self, PyObject *args) |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3690 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3691 PyObject *format_spec; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3692 PyObject *self_as_str = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3693 PyObject *result = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3694 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3695 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3696 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3697 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3698 self_as_str = PyObject_Str(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3699 if (self_as_str != NULL) { |
|
64724
9f55faaa3193
Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents:
64283
diff
changeset
|
3700 /* Issue 7994: If we're converting to a string, we |
|
68399
ee259a4f3eee
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
Eric V. Smith <eric@trueblade.com>
parents:
68383
diff
changeset
|
3701 should reject format specifications */ |
| 72475 | 3702 if (PyUnicode_GET_LENGTH(format_spec) > 0) { |
|
80991
d91c14788729
Issue #9856: Replace deprecation warinigs to raising TypeError in object.__format__
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
80079
diff
changeset
|
3703 PyErr_SetString(PyExc_TypeError, |
|
68399
ee259a4f3eee
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
Eric V. Smith <eric@trueblade.com>
parents:
68383
diff
changeset
|
3704 "non-empty format string passed to object.__format__"); |
|
80991
d91c14788729
Issue #9856: Replace deprecation warinigs to raising TypeError in object.__format__
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
80079
diff
changeset
|
3705 goto done; |
|
68399
ee259a4f3eee
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
Eric V. Smith <eric@trueblade.com>
parents:
68383
diff
changeset
|
3706 } |
|
ee259a4f3eee
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
Eric V. Smith <eric@trueblade.com>
parents:
68383
diff
changeset
|
3707 |
|
ee259a4f3eee
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
Eric V. Smith <eric@trueblade.com>
parents:
68383
diff
changeset
|
3708 result = PyObject_Format(self_as_str, format_spec); |
|
64724
9f55faaa3193
Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents:
64283
diff
changeset
|
3709 } |
|
9f55faaa3193
Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents:
64283
diff
changeset
|
3710 |
|
9f55faaa3193
Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents:
64283
diff
changeset
|
3711 done: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3712 Py_XDECREF(self_as_str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3713 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3714 return result; |
|
42817
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3715 } |
|
5355337709e1
Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents:
42673
diff
changeset
|
3716 |
|
47466
58f4b60773fe
Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents:
47301
diff
changeset
|
3717 static PyObject * |
|
58f4b60773fe
Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents:
47301
diff
changeset
|
3718 object_sizeof(PyObject *self, PyObject *args) |
|
58f4b60773fe
Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents:
47301
diff
changeset
|
3719 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3720 Py_ssize_t res, isize; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3721 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3722 res = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3723 isize = self->ob_type->tp_itemsize; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3724 if (isize > 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3725 res = Py_SIZE(self->ob_type) * isize; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3726 res += self->ob_type->tp_basicsize; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3727 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3728 return PyLong_FromSsize_t(res); |
|
47466
58f4b60773fe
Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents:
47301
diff
changeset
|
3729 } |
|
58f4b60773fe
Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents:
47301
diff
changeset
|
3730 |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3731 /* __dir__ for generic objects: returns __dict__, __class__, |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3732 and recursively up the __class__.__bases__ chain. |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3733 */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3734 static PyObject * |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3735 object_dir(PyObject *self, PyObject *args) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3736 { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3737 PyObject *result = NULL; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3738 PyObject *dict = NULL; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3739 PyObject *itsclass = NULL; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3740 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3741 /* Get __dict__ (which may or may not be a real dict...) */ |
|
72848
81380082d216
Use identifier API for PyObject_GetAttrString.
Martin v. Löwis <martin@v.loewis.de>
parents:
72835
diff
changeset
|
3742 dict = _PyObject_GetAttrId(self, &PyId___dict__); |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3743 if (dict == NULL) { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3744 PyErr_Clear(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3745 dict = PyDict_New(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3746 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3747 else if (!PyDict_Check(dict)) { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3748 Py_DECREF(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3749 dict = PyDict_New(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3750 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3751 else { |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3752 /* Copy __dict__ to avoid mutating it. */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3753 PyObject *temp = PyDict_Copy(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3754 Py_DECREF(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3755 dict = temp; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3756 } |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3757 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3758 if (dict == NULL) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3759 goto error; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3760 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3761 /* Merge in attrs reachable from its class. */ |
|
72848
81380082d216
Use identifier API for PyObject_GetAttrString.
Martin v. Löwis <martin@v.loewis.de>
parents:
72835
diff
changeset
|
3762 itsclass = _PyObject_GetAttrId(self, &PyId___class__); |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3763 if (itsclass == NULL) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3764 /* XXX(tomer): Perhaps fall back to obj->ob_type if no |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3765 __class__ exists? */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3766 PyErr_Clear(); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3767 else if (merge_class_dict(dict, itsclass) != 0) |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3768 goto error; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3769 |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3770 result = PyDict_Keys(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3771 /* fall through */ |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3772 error: |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3773 Py_XDECREF(itsclass); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3774 Py_XDECREF(dict); |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3775 return result; |
|
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
changeset
|
3776 } |
|
8f403199f999
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Benjamin Peterson <benjamin@python.org>
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|
3777 |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
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|
3778 static PyMethodDef object_methods[] = { |
|
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3779 {"__reduce_ex__", object_reduce_ex, METH_VARARGS, |
|
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|
3780 PyDoc_STR("helper for pickle")}, |
|
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|
3781 {"__reduce__", object_reduce, METH_VARARGS, |
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|
3782 PyDoc_STR("helper for pickle")}, |
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|
3783 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS, |
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|
3784 object_subclasshook_doc}, |
|
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|
3785 {"__format__", object_format, METH_VARARGS, |
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3786 PyDoc_STR("default object formatter")}, |
|
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|
3787 {"__sizeof__", object_sizeof, METH_NOARGS, |
|
70338
310b484ebd91
use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
3788 PyDoc_STR("__sizeof__() -> int\nsize of object in memory, in bytes")}, |
|
70331
8f403199f999
move specialized dir implementations into __dir__ methods (closes #12166)
Benjamin Peterson <benjamin@python.org>
parents:
68587
diff
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|
3789 {"__dir__", object_dir, METH_NOARGS, |
|
70342
6f078d80898f
indicate return value on __dir__ methods
Benjamin Peterson <benjamin@python.org>
parents:
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|
3790 PyDoc_STR("__dir__() -> list\ndefault dir() implementation")}, |
|
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|
3791 {0} |
|
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48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3792 }; |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
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|
3793 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3794 |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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|
3795 PyTypeObject PyBaseObject_Type = { |
|
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3796 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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|
3797 "object", /* tp_name */ |
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3798 sizeof(PyObject), /* tp_basicsize */ |
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3799 0, /* tp_itemsize */ |
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3800 object_dealloc, /* tp_dealloc */ |
|
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3801 0, /* tp_print */ |
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3802 0, /* tp_getattr */ |
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3803 0, /* tp_setattr */ |
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3804 0, /* tp_reserved */ |
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3805 object_repr, /* tp_repr */ |
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3806 0, /* tp_as_number */ |
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3807 0, /* tp_as_sequence */ |
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3808 0, /* tp_as_mapping */ |
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3809 (hashfunc)_Py_HashPointer, /* tp_hash */ |
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3810 0, /* tp_call */ |
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3811 object_str, /* tp_str */ |
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3812 PyObject_GenericGetAttr, /* tp_getattro */ |
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3813 PyObject_GenericSetAttr, /* tp_setattro */ |
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3814 0, /* tp_as_buffer */ |
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3815 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
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|
3816 PyDoc_STR("The most base type"), /* tp_doc */ |
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|
3817 0, /* tp_traverse */ |
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3818 0, /* tp_clear */ |
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3819 object_richcompare, /* tp_richcompare */ |
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3820 0, /* tp_weaklistoffset */ |
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|
3821 0, /* tp_iter */ |
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|
3822 0, /* tp_iternext */ |
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3823 object_methods, /* tp_methods */ |
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|
3824 0, /* tp_members */ |
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3825 object_getsets, /* tp_getset */ |
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|
3826 0, /* tp_base */ |
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|
3827 0, /* tp_dict */ |
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|
3828 0, /* tp_descr_get */ |
|
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|
3829 0, /* tp_descr_set */ |
|
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|
3830 0, /* tp_dictoffset */ |
|
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|
3831 object_init, /* tp_init */ |
|
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|
3832 PyType_GenericAlloc, /* tp_alloc */ |
|
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|
3833 object_new, /* tp_new */ |
|
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|
3834 PyObject_Del, /* tp_free */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3835 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3836 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3837 |
|
39536
8f5b9982beba
Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents:
39442
diff
changeset
|
3838 /* Add the methods from tp_methods to the __dict__ in a type object */ |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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|
3839 |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
3840 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3841 add_methods(PyTypeObject *type, PyMethodDef *meth) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3842 { |
|
61467
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|
3843 PyObject *dict = type->tp_dict; |
|
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|
3844 |
|
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|
3845 for (; meth->ml_name != NULL; meth++) { |
|
f197407bdba2
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|
3846 PyObject *descr; |
|
76836
d937b527b76e
fix possible refleak (closes #14752)
Benjamin Peterson <benjamin@python.org>
parents:
76518
diff
changeset
|
3847 int err; |
|
61467
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|
3848 if (PyDict_GetItemString(dict, meth->ml_name) && |
|
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|
3849 !(meth->ml_flags & METH_COEXIST)) |
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|
3850 continue; |
|
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|
3851 if (meth->ml_flags & METH_CLASS) { |
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|
3852 if (meth->ml_flags & METH_STATIC) { |
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3853 PyErr_SetString(PyExc_ValueError, |
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|
3854 "method cannot be both class and static"); |
|
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|
3855 return -1; |
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|
3856 } |
|
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|
3857 descr = PyDescr_NewClassMethod(type, meth); |
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|
3858 } |
|
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|
3859 else if (meth->ml_flags & METH_STATIC) { |
|
81031
3a86a3f1d89a
Issue #15422: get rid of PyCFunction_New macro
Andrew Svetlov <andrew.svetlov@gmail.com>
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80991
diff
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|
3860 PyObject *cfunc = PyCFunction_NewEx(meth, (PyObject*)type, NULL); |
|
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3861 if (cfunc == NULL) |
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|
3862 return -1; |
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3863 descr = PyStaticMethod_New(cfunc); |
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|
3864 Py_DECREF(cfunc); |
|
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3865 } |
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3866 else { |
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|
3867 descr = PyDescr_NewMethod(type, meth); |
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3868 } |
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3869 if (descr == NULL) |
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|
3870 return -1; |
|
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Benjamin Peterson <benjamin@python.org>
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|
3871 err = PyDict_SetItemString(dict, meth->ml_name, descr); |
|
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Benjamin Peterson <benjamin@python.org>
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|
3872 Py_DECREF(descr); |
|
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3873 if (err < 0) |
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3874 return -1; |
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3875 } |
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3876 return 0; |
|
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|
3877 } |
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|
3878 |
|
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|
3879 static int |
|
20012
3faabf54b8b8
Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3880 add_members(PyTypeObject *type, PyMemberDef *memb) |
|
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3881 { |
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3882 PyObject *dict = type->tp_dict; |
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3883 |
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|
3884 for (; memb->name != NULL; memb++) { |
|
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|
3885 PyObject *descr; |
|
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|
3886 if (PyDict_GetItemString(dict, memb->name)) |
|
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|
3887 continue; |
|
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|
3888 descr = PyDescr_NewMember(type, memb); |
|
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|
3889 if (descr == NULL) |
|
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|
3890 return -1; |
|
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|
3891 if (PyDict_SetItemString(dict, memb->name, descr) < 0) |
|
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|
3892 return -1; |
|
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|
3893 Py_DECREF(descr); |
|
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|
3894 } |
|
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|
3895 return 0; |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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|
3896 } |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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|
3897 |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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|
3898 static int |
|
20015
ca7af2a5d915
Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents:
20012
diff
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|
3899 add_getset(PyTypeObject *type, PyGetSetDef *gsp) |
|
18933
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|
3900 { |
|
61467
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|
3901 PyObject *dict = type->tp_dict; |
|
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|
3902 |
|
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|
3903 for (; gsp->name != NULL; gsp++) { |
|
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|
3904 PyObject *descr; |
|
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|
3905 if (PyDict_GetItemString(dict, gsp->name)) |
|
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|
3906 continue; |
|
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|
3907 descr = PyDescr_NewGetSet(type, gsp); |
|
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|
3908 |
|
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|
3909 if (descr == NULL) |
|
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|
3910 return -1; |
|
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|
3911 if (PyDict_SetItemString(dict, gsp->name, descr) < 0) |
|
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|
3912 return -1; |
|
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|
3913 Py_DECREF(descr); |
|
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|
3914 } |
|
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|
3915 return 0; |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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|
3916 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
3917 |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3918 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3919 inherit_special(PyTypeObject *type, PyTypeObject *base) |
|
18933
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Tim Peters <tim.peters@gmail.com>
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|
3920 { |
|
61467
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|
3921 |
|
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|
3922 /* Copying basicsize is connected to the GC flags */ |
|
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|
3923 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
|
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|
3924 (base->tp_flags & Py_TPFLAGS_HAVE_GC) && |
|
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|
3925 (!type->tp_traverse && !type->tp_clear)) { |
|
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|
3926 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
|
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|
3927 if (type->tp_traverse == NULL) |
|
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|
3928 type->tp_traverse = base->tp_traverse; |
|
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|
3929 if (type->tp_clear == NULL) |
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|
3930 type->tp_clear = base->tp_clear; |
|
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|
3931 } |
|
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|
3932 { |
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|
3933 /* The condition below could use some explanation. |
|
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|
3934 It appears that tp_new is not inherited for static types |
|
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|
3935 whose base class is 'object'; this seems to be a precaution |
|
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|
3936 so that old extension types don't suddenly become |
|
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|
3937 callable (object.__new__ wouldn't insure the invariants |
|
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|
3938 that the extension type's own factory function ensures). |
|
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|
3939 Heap types, of course, are under our control, so they do |
|
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|
3940 inherit tp_new; static extension types that specify some |
|
73949
021e5bb297d1
Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents:
73738
diff
changeset
|
3941 other built-in type as the default also |
|
021e5bb297d1
Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents:
73738
diff
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|
3942 inherit object.__new__. */ |
|
61467
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|
3943 if (base != &PyBaseObject_Type || |
|
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|
3944 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
|
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|
3945 if (type->tp_new == NULL) |
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|
3946 type->tp_new = base->tp_new; |
|
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|
3947 } |
|
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|
3948 } |
|
62806
a7c8b4a6678b
cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents:
62088
diff
changeset
|
3949 if (type->tp_basicsize == 0) |
|
a7c8b4a6678b
cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents:
62088
diff
changeset
|
3950 type->tp_basicsize = base->tp_basicsize; |
|
61467
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|
3951 |
|
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changeset
|
3952 /* Copy other non-function slots */ |
|
19253
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents:
19194
diff
changeset
|
3953 |
|
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents:
19194
diff
changeset
|
3954 #undef COPYVAL |
|
968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents:
19194
diff
changeset
|
3955 #define COPYVAL(SLOT) \ |
|
61467
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|
3956 if (type->SLOT == 0) type->SLOT = base->SLOT |
|
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|
3957 |
|
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|
3958 COPYVAL(tp_itemsize); |
|
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|
3959 COPYVAL(tp_weaklistoffset); |
|
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|
3960 COPYVAL(tp_dictoffset); |
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|
3961 |
|
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|
3962 /* Setup fast subclass flags */ |
|
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|
3963 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException)) |
|
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|
3964 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS; |
|
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|
3965 else if (PyType_IsSubtype(base, &PyType_Type)) |
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|
3966 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS; |
|
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|
3967 else if (PyType_IsSubtype(base, &PyLong_Type)) |
|
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|
3968 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS; |
|
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3969 else if (PyType_IsSubtype(base, &PyBytes_Type)) |
|
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|
3970 type->tp_flags |= Py_TPFLAGS_BYTES_SUBCLASS; |
|
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3971 else if (PyType_IsSubtype(base, &PyUnicode_Type)) |
|
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|
3972 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS; |
|
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3973 else if (PyType_IsSubtype(base, &PyTuple_Type)) |
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|
3974 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS; |
|
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|
3975 else if (PyType_IsSubtype(base, &PyList_Type)) |
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|
3976 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS; |
|
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|
3977 else if (PyType_IsSubtype(base, &PyDict_Type)) |
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|
3978 type->tp_flags |= Py_TPFLAGS_DICT_SUBCLASS; |
|
19153
64d4ad73a887
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Guido van Rossum <guido@python.org>
parents:
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|
3979 } |
|
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Guido van Rossum <guido@python.org>
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|
3980 |
|
39623
c6d9fa81f20f
Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents:
39610
diff
changeset
|
3981 static int |
|
44407
dda29e712815
Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents:
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|
3982 overrides_hash(PyTypeObject *type) |
|
39623
c6d9fa81f20f
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Guido van Rossum <guido@python.org>
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|
3983 { |
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|
3984 PyObject *dict = type->tp_dict; |
|
75959
c67f3681e032
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Victor Stinner <victor.stinner@gmail.com>
parents:
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|
3985 _Py_IDENTIFIER(__eq__); |
|
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3986 |
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|
3987 assert(dict != NULL); |
|
75959
c67f3681e032
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Victor Stinner <victor.stinner@gmail.com>
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|
3988 if (_PyDict_GetItemId(dict, &PyId___eq__) != NULL) |
|
c67f3681e032
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diff
changeset
|
3989 return 1; |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3990 if (_PyDict_GetItemId(dict, &PyId___hash__) != NULL) |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
3991 return 1; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3992 return 0; |
|
39623
c6d9fa81f20f
Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents:
39610
diff
changeset
|
3993 } |
|
c6d9fa81f20f
Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents:
39610
diff
changeset
|
3994 |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3995 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3996 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
|
3997 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3998 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
|
3999 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
4000 #undef SLOTDEFINED |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4001 #undef COPYSLOT |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4002 #undef COPYNUM |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4003 #undef COPYSEQ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4004 #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
|
4005 #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
|
4006 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
4007 #define SLOTDEFINED(SLOT) \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4008 (base->SLOT != 0 && \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4009 (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
|
4010 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4011 #define COPYSLOT(SLOT) \ |
|
61467
f197407bdba2
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parents:
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diff
changeset
|
4012 if (!type->SLOT && SLOTDEFINED(SLOT)) type->SLOT = base->SLOT |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4013 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4014 #define COPYNUM(SLOT) COPYSLOT(tp_as_number->SLOT) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4015 #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
|
4016 #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
|
4017 #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
|
4018 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4019 /* This won't inherit indirect slots (from tp_as_number etc.) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4020 if type doesn't provide the space. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4021 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4022 if (type->tp_as_number != NULL && base->tp_as_number != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4023 basebase = base->tp_base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4024 if (basebase->tp_as_number == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4025 basebase = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4026 COPYNUM(nb_add); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4027 COPYNUM(nb_subtract); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4028 COPYNUM(nb_multiply); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4029 COPYNUM(nb_remainder); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4030 COPYNUM(nb_divmod); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4031 COPYNUM(nb_power); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4032 COPYNUM(nb_negative); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4033 COPYNUM(nb_positive); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4034 COPYNUM(nb_absolute); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4035 COPYNUM(nb_bool); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4036 COPYNUM(nb_invert); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4037 COPYNUM(nb_lshift); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4038 COPYNUM(nb_rshift); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4039 COPYNUM(nb_and); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4040 COPYNUM(nb_xor); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4041 COPYNUM(nb_or); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4042 COPYNUM(nb_int); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4043 COPYNUM(nb_float); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4044 COPYNUM(nb_inplace_add); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4045 COPYNUM(nb_inplace_subtract); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4046 COPYNUM(nb_inplace_multiply); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4047 COPYNUM(nb_inplace_remainder); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4048 COPYNUM(nb_inplace_power); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4049 COPYNUM(nb_inplace_lshift); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4050 COPYNUM(nb_inplace_rshift); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4051 COPYNUM(nb_inplace_and); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4052 COPYNUM(nb_inplace_xor); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4053 COPYNUM(nb_inplace_or); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4054 COPYNUM(nb_true_divide); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4055 COPYNUM(nb_floor_divide); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4056 COPYNUM(nb_inplace_true_divide); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4057 COPYNUM(nb_inplace_floor_divide); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4058 COPYNUM(nb_index); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4059 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4060 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4061 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4062 basebase = base->tp_base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4063 if (basebase->tp_as_sequence == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4064 basebase = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4065 COPYSEQ(sq_length); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4066 COPYSEQ(sq_concat); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4067 COPYSEQ(sq_repeat); |
|
f197407bdba2
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diff
changeset
|
4068 COPYSEQ(sq_item); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4069 COPYSEQ(sq_ass_item); |
|
f197407bdba2
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changeset
|
4070 COPYSEQ(sq_contains); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4071 COPYSEQ(sq_inplace_concat); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4072 COPYSEQ(sq_inplace_repeat); |
|
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|
4073 } |
|
f197407bdba2
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|
4074 |
|
f197407bdba2
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changeset
|
4075 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) { |
|
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changeset
|
4076 basebase = base->tp_base; |
|
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|
4077 if (basebase->tp_as_mapping == NULL) |
|
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|
4078 basebase = NULL; |
|
f197407bdba2
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changeset
|
4079 COPYMAP(mp_length); |
|
f197407bdba2
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changeset
|
4080 COPYMAP(mp_subscript); |
|
f197407bdba2
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changeset
|
4081 COPYMAP(mp_ass_subscript); |
|
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|
4082 } |
|
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|
4083 |
|
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|
4084 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) { |
|
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|
4085 basebase = base->tp_base; |
|
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|
4086 if (basebase->tp_as_buffer == NULL) |
|
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|
4087 basebase = NULL; |
|
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changeset
|
4088 COPYBUF(bf_getbuffer); |
|
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|
4089 COPYBUF(bf_releasebuffer); |
|
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|
4090 } |
|
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|
4091 |
|
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|
4092 basebase = base->tp_base; |
|
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|
4093 |
|
f197407bdba2
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|
4094 COPYSLOT(tp_dealloc); |
|
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|
4095 if (type->tp_getattr == NULL && type->tp_getattro == NULL) { |
|
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|
4096 type->tp_getattr = base->tp_getattr; |
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4097 type->tp_getattro = base->tp_getattro; |
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4098 } |
|
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4099 if (type->tp_setattr == NULL && type->tp_setattro == NULL) { |
|
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4100 type->tp_setattr = base->tp_setattr; |
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4101 type->tp_setattro = base->tp_setattro; |
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4102 } |
|
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4103 /* tp_reserved is ignored */ |
|
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4104 COPYSLOT(tp_repr); |
|
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4105 /* tp_hash see tp_richcompare */ |
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4106 COPYSLOT(tp_call); |
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4107 COPYSLOT(tp_str); |
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4108 { |
|
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4109 /* Copy comparison-related slots only when |
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4110 not overriding them anywhere */ |
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4111 if (type->tp_richcompare == NULL && |
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4112 type->tp_hash == NULL && |
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4113 !overrides_hash(type)) |
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4114 { |
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4115 type->tp_richcompare = base->tp_richcompare; |
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4116 type->tp_hash = base->tp_hash; |
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4117 } |
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4118 } |
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4119 { |
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4120 COPYSLOT(tp_iter); |
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4121 COPYSLOT(tp_iternext); |
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4122 } |
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4123 { |
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4124 COPYSLOT(tp_descr_get); |
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4125 COPYSLOT(tp_descr_set); |
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4126 COPYSLOT(tp_dictoffset); |
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4127 COPYSLOT(tp_init); |
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4128 COPYSLOT(tp_alloc); |
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4129 COPYSLOT(tp_is_gc); |
|
84911
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
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4130 if ((type->tp_flags & Py_TPFLAGS_HAVE_FINALIZE) && |
|
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4131 (base->tp_flags & Py_TPFLAGS_HAVE_FINALIZE)) { |
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3f994367a979
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4132 COPYSLOT(tp_finalize); |
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4133 } |
|
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4134 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) == |
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4135 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) { |
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4136 /* They agree about gc. */ |
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4137 COPYSLOT(tp_free); |
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4138 } |
|
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4139 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
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4140 type->tp_free == NULL && |
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4141 base->tp_free == PyObject_Free) { |
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4142 /* A bit of magic to plug in the correct default |
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4143 * tp_free function when a derived class adds gc, |
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4144 * didn't define tp_free, and the base uses the |
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4145 * default non-gc tp_free. |
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4146 */ |
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4147 type->tp_free = PyObject_GC_Del; |
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4148 } |
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4149 /* else they didn't agree about gc, and there isn't something |
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4150 * obvious to be done -- the type is on its own. |
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4151 */ |
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4152 } |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
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4153 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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4154 |
|
24280
1598a1e473e2
staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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4155 static int add_operators(PyTypeObject *); |
|
18933
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4156 |
|
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4157 int |
|
19040
4df72ea78ae8
- Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
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|
4158 PyType_Ready(PyTypeObject *type) |
|
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4159 { |
|
61467
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4160 PyObject *dict, *bases; |
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4161 PyTypeObject *base; |
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4162 Py_ssize_t i, n; |
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4163 |
|
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4164 if (type->tp_flags & Py_TPFLAGS_READY) { |
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4165 assert(type->tp_dict != NULL); |
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4166 return 0; |
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4167 } |
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4168 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0); |
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4169 |
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4170 type->tp_flags |= Py_TPFLAGS_READYING; |
|
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4171 |
|
28389
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
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|
4172 #ifdef Py_TRACE_REFS |
|
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4173 /* PyType_Ready is the closest thing we have to a choke point |
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4174 * for type objects, so is the best place I can think of to try |
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4175 * to get type objects into the doubly-linked list of all objects. |
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4176 * Still, not all type objects go thru PyType_Ready. |
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4177 */ |
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4178 _Py_AddToAllObjects((PyObject *)type, 0); |
|
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|
4179 #endif |
|
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4180 |
|
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4181 /* Initialize tp_base (defaults to BaseObject unless that's us) */ |
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4182 base = type->tp_base; |
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4183 if (base == NULL && type != &PyBaseObject_Type) { |
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4184 base = type->tp_base = &PyBaseObject_Type; |
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4185 Py_INCREF(base); |
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4186 } |
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4187 |
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4188 /* Now the only way base can still be NULL is if type is |
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4189 * &PyBaseObject_Type. |
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4190 */ |
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4191 |
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4192 /* Initialize the base class */ |
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4193 if (base != NULL && base->tp_dict == NULL) { |
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4194 if (PyType_Ready(base) < 0) |
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4195 goto error; |
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4196 } |
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4197 |
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4198 /* Initialize ob_type if NULL. This means extensions that want to be |
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4199 compilable separately on Windows can call PyType_Ready() instead of |
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4200 initializing the ob_type field of their type objects. */ |
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4201 /* The test for base != NULL is really unnecessary, since base is only |
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4202 NULL when type is &PyBaseObject_Type, and we know its ob_type is |
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4203 not NULL (it's initialized to &PyType_Type). But coverity doesn't |
|
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4204 know that. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4205 if (Py_TYPE(type) == NULL && base != NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4206 Py_TYPE(type) = Py_TYPE(base); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4207 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4208 /* Initialize tp_bases */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4209 bases = type->tp_bases; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4210 if (bases == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4211 if (base == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4212 bases = PyTuple_New(0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4213 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4214 bases = PyTuple_Pack(1, base); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4215 if (bases == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4216 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4217 type->tp_bases = bases; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4218 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4219 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4220 /* Initialize tp_dict */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4221 dict = type->tp_dict; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4222 if (dict == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4223 dict = PyDict_New(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4224 if (dict == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4225 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4226 type->tp_dict = dict; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4227 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4228 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4229 /* Add type-specific descriptors to tp_dict */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4230 if (add_operators(type) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4231 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4232 if (type->tp_methods != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4233 if (add_methods(type, type->tp_methods) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4234 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4235 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4236 if (type->tp_members != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4237 if (add_members(type, type->tp_members) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4238 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4239 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4240 if (type->tp_getset != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4241 if (add_getset(type, type->tp_getset) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4242 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4243 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4244 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4245 /* Calculate method resolution order */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4246 if (mro_internal(type) < 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4247 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4248 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4249 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4250 /* Inherit special flags from dominant base */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4251 if (type->tp_base != NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4252 inherit_special(type, type->tp_base); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4253 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4254 /* Initialize tp_dict properly */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4255 bases = type->tp_mro; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4256 assert(bases != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4257 assert(PyTuple_Check(bases)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4258 n = PyTuple_GET_SIZE(bases); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4259 for (i = 1; i < n; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4260 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4261 if (PyType_Check(b)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4262 inherit_slots(type, (PyTypeObject *)b); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4263 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4264 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4265 /* Sanity check for tp_free. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4266 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4267 (type->tp_free == NULL || type->tp_free == PyObject_Del)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4268 /* This base class needs to call tp_free, but doesn't have |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4269 * one, or its tp_free is for non-gc'ed objects. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4270 */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4271 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4272 "gc and is a base type but has inappropriate " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4273 "tp_free slot", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4274 type->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4275 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4276 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4277 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4278 /* if the type dictionary doesn't contain a __doc__, set it from |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4279 the tp_doc slot. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4280 */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4281 if (_PyDict_GetItemId(type->tp_dict, &PyId___doc__) == NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4282 if (type->tp_doc != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4283 PyObject *doc = PyUnicode_FromString(type->tp_doc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4284 if (doc == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4285 goto error; |
|
84697
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4286 if (_PyDict_SetItemId(type->tp_dict, &PyId___doc__, doc) < 0) { |
|
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4287 Py_DECREF(doc); |
|
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4288 goto error; |
|
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4289 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4290 Py_DECREF(doc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4291 } else { |
|
84697
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4292 if (_PyDict_SetItemId(type->tp_dict, |
|
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4293 &PyId___doc__, Py_None) < 0) |
|
c2d90ff0780c
Issue #18408: Fix PyType_Ready(), handle _PyDict_SetItemId() failure
Victor Stinner <victor.stinner@gmail.com>
parents:
84677
diff
changeset
|
4294 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4295 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4296 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4297 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4298 /* Hack for tp_hash and __hash__. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4299 If after all that, tp_hash is still NULL, and __hash__ is not in |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4300 tp_dict, set tp_hash to PyObject_HashNotImplemented and |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4301 tp_dict['__hash__'] equal to None. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4302 This signals that __hash__ is not inherited. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4303 */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4304 if (type->tp_hash == NULL) { |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4305 if (_PyDict_GetItemId(type->tp_dict, &PyId___hash__) == NULL) { |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4306 if (_PyDict_SetItemId(type->tp_dict, &PyId___hash__, Py_None) < 0) |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4307 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4308 type->tp_hash = PyObject_HashNotImplemented; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4309 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4310 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4311 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4312 /* Some more special stuff */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4313 base = type->tp_base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4314 if (base != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4315 if (type->tp_as_number == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4316 type->tp_as_number = base->tp_as_number; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4317 if (type->tp_as_sequence == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4318 type->tp_as_sequence = base->tp_as_sequence; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4319 if (type->tp_as_mapping == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4320 type->tp_as_mapping = base->tp_as_mapping; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4321 if (type->tp_as_buffer == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4322 type->tp_as_buffer = base->tp_as_buffer; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4323 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4324 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4325 /* Link into each base class's list of subclasses */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4326 bases = type->tp_bases; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4327 n = PyTuple_GET_SIZE(bases); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4328 for (i = 0; i < n; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4329 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4330 if (PyType_Check(b) && |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4331 add_subclass((PyTypeObject *)b, type) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4332 goto error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4333 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
4334 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4335 /* Warn for a type that implements tp_compare (now known as |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4336 tp_reserved) but not tp_richcompare. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4337 if (type->tp_reserved && !type->tp_richcompare) { |
|
80991
d91c14788729
Issue #9856: Replace deprecation warinigs to raising TypeError in object.__format__
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
80079
diff
changeset
|
4338 PyErr_Format(PyExc_TypeError, |
|
63949
fa2d9720a66c
Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents:
63114
diff
changeset
|
4339 "Type %.100s defines tp_reserved (formerly tp_compare) " |
|
fa2d9720a66c
Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents:
63114
diff
changeset
|
4340 "but not tp_richcompare. Comparisons may not behave as intended.", |
|
fa2d9720a66c
Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents:
63114
diff
changeset
|
4341 type->tp_name); |
|
80991
d91c14788729
Issue #9856: Replace deprecation warinigs to raising TypeError in object.__format__
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
80079
diff
changeset
|
4342 goto error; |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4343 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4344 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4345 /* All done -- set the ready flag */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4346 assert(type->tp_dict != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4347 type->tp_flags = |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4348 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4349 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
|
4350 |
|
6463cd9db2fc
Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents:
19109
diff
changeset
|
4351 error: |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4352 type->tp_flags &= ~Py_TPFLAGS_READYING; |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4353 return -1; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4354 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4355 |
|
20315
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4356 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
|
4357 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
|
4358 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4359 Py_ssize_t i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4360 int result; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4361 PyObject *list, *ref, *newobj; |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4362 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4363 list = base->tp_subclasses; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4364 if (list == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4365 base->tp_subclasses = list = PyList_New(0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4366 if (list == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4367 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4368 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4369 assert(PyList_Check(list)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4370 newobj = PyWeakref_NewRef((PyObject *)type, NULL); |
|
84512
de1473f4503b
Issue #18408: Fix PyType_Ready() and type.__bases__ setter to handle
Victor Stinner <victor.stinner@gmail.com>
parents:
83773
diff
changeset
|
4371 if (newobj == NULL) |
|
de1473f4503b
Issue #18408: Fix PyType_Ready() and type.__bases__ setter to handle
Victor Stinner <victor.stinner@gmail.com>
parents:
83773
diff
changeset
|
4372 return -1; |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4373 i = PyList_GET_SIZE(list); |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4374 while (--i >= 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4375 ref = PyList_GET_ITEM(list, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4376 assert(PyWeakref_CheckRef(ref)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4377 if (PyWeakref_GET_OBJECT(ref) == Py_None) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4378 return PyList_SetItem(list, i, newobj); |
|
f197407bdba2
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|
4379 } |
|
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changeset
|
4380 result = PyList_Append(list, newobj); |
|
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changeset
|
4381 Py_DECREF(newobj); |
|
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changeset
|
4382 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
|
4383 } |
|
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4384 |
| 26421 | 4385 static void |
| 4386 remove_subclass(PyTypeObject *base, PyTypeObject *type) | |
| 4387 { | |
|
61467
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|
4388 Py_ssize_t i; |
|
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|
4389 PyObject *list, *ref; |
|
f197407bdba2
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|
4390 |
|
f197407bdba2
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changeset
|
4391 list = base->tp_subclasses; |
|
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|
4392 if (list == NULL) { |
|
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changeset
|
4393 return; |
|
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|
4394 } |
|
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changeset
|
4395 assert(PyList_Check(list)); |
|
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|
4396 i = PyList_GET_SIZE(list); |
|
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|
4397 while (--i >= 0) { |
|
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|
4398 ref = PyList_GET_ITEM(list, i); |
|
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|
4399 assert(PyWeakref_CheckRef(ref)); |
|
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|
4400 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) { |
|
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|
4401 /* this can't fail, right? */ |
|
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|
4402 PySequence_DelItem(list, i); |
|
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|
4403 return; |
|
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|
4404 } |
|
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changeset
|
4405 } |
| 26421 | 4406 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4407 |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4408 static int |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4409 check_num_args(PyObject *ob, int n) |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4410 { |
|
61467
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|
4411 if (!PyTuple_CheckExact(ob)) { |
|
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|
4412 PyErr_SetString(PyExc_SystemError, |
|
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|
4413 "PyArg_UnpackTuple() argument list is not a tuple"); |
|
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|
4414 return 0; |
|
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changeset
|
4415 } |
|
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changeset
|
4416 if (n == PyTuple_GET_SIZE(ob)) |
|
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|
4417 return 1; |
|
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changeset
|
4418 PyErr_Format( |
|
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|
4419 PyExc_TypeError, |
|
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changeset
|
4420 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob)); |
|
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4421 return 0; |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4422 } |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4423 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4424 /* 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
|
4425 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4426 /* There's a wrapper *function* for each distinct function typedef used |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4427 for type object slots (e.g. binaryfunc, ternaryfunc, etc.). There's a |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4428 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
|
4429 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
|
4430 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
|
4431 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4432 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4433 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
|
4434 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4435 lenfunc func = (lenfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4436 Py_ssize_t res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4437 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4438 if (!check_num_args(args, 0)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4439 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4440 res = (*func)(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4441 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4442 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4443 return PyLong_FromLong((long)res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4444 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4445 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4446 static PyObject * |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4447 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
|
4448 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4449 inquiry func = (inquiry)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4450 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4451 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4452 if (!check_num_args(args, 0)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4453 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4454 res = (*func)(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4455 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
4456 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4457 return PyBool_FromLong((long)res); |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4458 } |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4459 |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4460 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4461 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
|
4462 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4463 binaryfunc func = (binaryfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4464 PyObject *other; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4465 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4466 if (!check_num_args(args, 1)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4467 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4468 other = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4469 return (*func)(self, other); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4470 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4471 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4472 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
|
4473 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
|
4474 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4475 binaryfunc func = (binaryfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4476 PyObject *other; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4477 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4478 if (!check_num_args(args, 1)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4479 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4480 other = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4481 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
|
4482 } |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4483 |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4484 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4485 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
|
4486 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4487 binaryfunc func = (binaryfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4488 PyObject *other; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4489 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4490 if (!check_num_args(args, 1)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4491 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
4492 other = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4493 return (*func)(other, self); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4494 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4495 |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4496 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4497 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
|
4498 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4499 ternaryfunc func = (ternaryfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4500 PyObject *other; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4501 PyObject *third = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4502 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4503 /* Note: This wrapper only works for __pow__() */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4504 |
|
f197407bdba2
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changeset
|
4505 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4506 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4507 return (*func)(self, other, third); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4508 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4509 |
|
20168
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4510 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
|
4511 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
|
4512 { |
|
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|
4513 ternaryfunc func = (ternaryfunc)wrapped; |
|
f197407bdba2
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changeset
|
4514 PyObject *other; |
|
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|
4515 PyObject *third = Py_None; |
|
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|
4516 |
|
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changeset
|
4517 /* Note: This wrapper only works for __pow__() */ |
|
f197407bdba2
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|
4518 |
|
f197407bdba2
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changeset
|
4519 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
f197407bdba2
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|
4520 return NULL; |
|
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changeset
|
4521 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
|
4522 } |
|
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4523 |
|
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
|
4524 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4525 wrap_unaryfunc(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
|
4526 { |
|
61467
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changeset
|
4527 unaryfunc func = (unaryfunc)wrapped; |
|
f197407bdba2
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changeset
|
4528 |
|
f197407bdba2
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changeset
|
4529 if (!check_num_args(args, 0)) |
|
f197407bdba2
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|
4530 return NULL; |
|
f197407bdba2
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changeset
|
4531 return (*func)(self); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4532 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4533 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4534 static PyObject * |
|
37879
f731859e9b3b
Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents:
37191
diff
changeset
|
4535 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
|
4536 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4537 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4538 PyObject* o; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4539 Py_ssize_t i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4540 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4541 if (!PyArg_UnpackTuple(args, "", 1, 1, &o)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4542 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4543 i = PyNumber_AsSsize_t(o, PyExc_OverflowError); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4544 if (i == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4545 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4546 return (*func)(self, i); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4547 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4548 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4549 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
|
4550 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
|
4551 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4552 Py_ssize_t i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4553 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4554 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4555 if (i == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4556 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4557 if (i < 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4558 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4559 if (sq && sq->sq_length) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4560 Py_ssize_t n = (*sq->sq_length)(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4561 if (n < 0) |
|
f197407bdba2
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|
4562 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4563 i += n; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4564 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4565 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4566 return i; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4567 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4568 |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4569 static PyObject * |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4570 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
|
4571 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4572 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4573 PyObject *arg; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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|
4574 Py_ssize_t i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4575 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4576 if (PyTuple_GET_SIZE(args) == 1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4577 arg = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4578 i = getindex(self, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4579 if (i == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4580 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
4581 return (*func)(self, i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4582 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4583 check_num_args(args, 1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4584 assert(PyErr_Occurred()); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4585 return NULL; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4586 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4587 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4588 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4589 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
|
4590 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4591 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4592 Py_ssize_t i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4593 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4594 PyObject *arg, *value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4595 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4596 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4597 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4598 i = getindex(self, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4599 if (i == -1 && PyErr_Occurred()) |
|
f197407bdba2
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|
4600 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4601 res = (*func)(self, i, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4602 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4603 return NULL; |
|
f197407bdba2
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changeset
|
4604 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4605 return Py_None; |
|
18933
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 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4608 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4609 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
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|
4610 { |
|
61467
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|
4611 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
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|
4612 Py_ssize_t i; |
|
f197407bdba2
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|
4613 int res; |
|
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|
4614 PyObject *arg; |
|
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|
4615 |
|
f197407bdba2
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|
4616 if (!check_num_args(args, 1)) |
|
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|
4617 return NULL; |
|
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|
4618 arg = PyTuple_GET_ITEM(args, 0); |
|
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|
4619 i = getindex(self, arg); |
|
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|
4620 if (i == -1 && PyErr_Occurred()) |
|
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|
4621 return NULL; |
|
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|
4622 res = (*func)(self, i, NULL); |
|
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|
4623 if (res == -1 && PyErr_Occurred()) |
|
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|
4624 return NULL; |
|
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|
4625 Py_INCREF(Py_None); |
|
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|
4626 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4627 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4628 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4629 /* 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
|
4630 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4631 wrap_objobjproc(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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|
4632 { |
|
61467
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|
4633 objobjproc func = (objobjproc)wrapped; |
|
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|
4634 int res; |
|
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|
4635 PyObject *value; |
|
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|
4636 |
|
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|
4637 if (!check_num_args(args, 1)) |
|
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|
4638 return NULL; |
|
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|
4639 value = PyTuple_GET_ITEM(args, 0); |
|
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|
4640 res = (*func)(self, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4641 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4642 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4643 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4644 return PyBool_FromLong(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4645 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4646 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4647 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4648 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
|
4649 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4650 objobjargproc func = (objobjargproc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4651 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4652 PyObject *key, *value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4653 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4654 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4655 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4656 res = (*func)(self, key, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4657 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4658 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4659 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4660 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4661 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4662 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4663 static PyObject * |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4664 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
|
4665 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4666 objobjargproc func = (objobjargproc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4667 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4668 PyObject *key; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4669 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4670 if (!check_num_args(args, 1)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4671 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4672 key = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4673 res = (*func)(self, key, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4674 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4675 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4676 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4677 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4678 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4679 |
|
28608
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4680 /* 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
|
4681 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
|
4682 static int |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4683 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
|
4684 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4685 PyTypeObject *type = Py_TYPE(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4686 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4687 type = type->tp_base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4688 /* If type is NULL now, this is a really weird type. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4689 In the spirit of backwards compatibility (?), just shut up. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4690 if (type && type->tp_setattro != func) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4691 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4692 "can't apply this %s to %s object", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4693 what, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4694 type->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4695 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4696 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4697 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
|
4698 } |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4699 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4700 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4701 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
|
4702 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4703 setattrofunc func = (setattrofunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4704 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4705 PyObject *name, *value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4706 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4707 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4708 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4709 if (!hackcheck(self, func, "__setattr__")) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4710 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4711 res = (*func)(self, name, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4712 if (res < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4713 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4714 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4715 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4716 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4717 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4718 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4719 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
|
4720 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4721 setattrofunc func = (setattrofunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4722 int res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4723 PyObject *name; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4724 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4725 if (!check_num_args(args, 1)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4726 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4727 name = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4728 if (!hackcheck(self, func, "__delattr__")) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4729 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4730 res = (*func)(self, name, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4731 if (res < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4732 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4733 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4734 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4735 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4736 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4737 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4738 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
|
4739 { |
|
61467
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4740 hashfunc func = (hashfunc)wrapped; |
|
65603
be8ae6b17539
follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents:
65599
diff
changeset
|
4741 Py_hash_t res; |
|
61467
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4742 |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4743 if (!check_num_args(args, 0)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4744 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4745 res = (*func)(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4746 if (res == -1 && PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4747 return NULL; |
|
65603
be8ae6b17539
follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents:
65599
diff
changeset
|
4748 return PyLong_FromSsize_t(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4749 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4750 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4751 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
|
4752 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:
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diff
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|
4753 { |
|
61467
f197407bdba2
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|
4754 ternaryfunc func = (ternaryfunc)wrapped; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4755 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4756 return (*func)(self, args, kwds); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4757 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4758 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4759 static PyObject * |
|
84911
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
84725
diff
changeset
|
4760 wrap_del(PyObject *self, PyObject *args, void *wrapped) |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
4761 { |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
84725
diff
changeset
|
4762 destructor func = (destructor)wrapped; |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
84725
diff
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|
4763 |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
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parents:
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diff
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|
4764 if (!check_num_args(args, 0)) |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4765 return NULL; |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
4766 |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4767 (*func)(self); |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4768 Py_RETURN_NONE; |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4769 } |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4770 |
|
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4771 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4772 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:
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|
4773 { |
|
61467
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|
4774 richcmpfunc func = (richcmpfunc)wrapped; |
|
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|
4775 PyObject *other; |
|
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|
4776 |
|
f197407bdba2
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|
4777 if (!check_num_args(args, 1)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4778 return NULL; |
|
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|
4779 other = PyTuple_GET_ITEM(args, 0); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4780 return (*func)(self, other, op); |
|
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
4781 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
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parents:
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|
4782 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
4783 #undef RICHCMP_WRAPPER |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
4784 #define RICHCMP_WRAPPER(NAME, OP) \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
4785 static PyObject * \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4786 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
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|
4787 { \ |
|
61467
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|
4788 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
|
4789 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4790 |
|
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
|
4791 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
|
4792 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
|
4793 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
|
4794 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
|
4795 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
|
4796 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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|
4797 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
4798 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4799 wrap_next(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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|
4800 { |
|
61467
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|
4801 unaryfunc func = (unaryfunc)wrapped; |
|
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|
4802 PyObject *res; |
|
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|
4803 |
|
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|
4804 if (!check_num_args(args, 0)) |
|
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|
4805 return NULL; |
|
f197407bdba2
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|
4806 res = (*func)(self); |
|
f197407bdba2
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|
4807 if (res == NULL && !PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4808 PyErr_SetNone(PyExc_StopIteration); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4809 return res; |
|
18933
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4810 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4811 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4812 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
4813 wrap_descr_get(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
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|
4814 { |
|
61467
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|
4815 descrgetfunc func = (descrgetfunc)wrapped; |
|
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|
4816 PyObject *obj; |
|
f197407bdba2
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|
4817 PyObject *type = NULL; |
|
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|
4818 |
|
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|
4819 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type)) |
|
f197407bdba2
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|
4820 return NULL; |
|
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|
4821 if (obj == Py_None) |
|
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|
4822 obj = NULL; |
|
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|
4823 if (type == Py_None) |
|
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|
4824 type = NULL; |
|
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|
4825 if (type == NULL &&obj == NULL) { |
|
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|
4826 PyErr_SetString(PyExc_TypeError, |
|
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|
4827 "__get__(None, None) is invalid"); |
|
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|
4828 return NULL; |
|
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|
4829 } |
|
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|
4830 return (*func)(self, obj, type); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4831 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4832 |
|
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Merge of descr-branch back into trunk.
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|
4833 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
|
4834 wrap_descr_set(PyObject *self, PyObject *args, void *wrapped) |
|
18933
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Merge of descr-branch back into trunk.
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|
4835 { |
|
61467
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|
4836 descrsetfunc func = (descrsetfunc)wrapped; |
|
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|
4837 PyObject *obj, *value; |
|
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|
4838 int ret; |
|
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|
4839 |
|
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|
4840 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value)) |
|
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|
4841 return NULL; |
|
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|
4842 ret = (*func)(self, obj, value); |
|
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|
4843 if (ret < 0) |
|
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|
4844 return NULL; |
|
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|
4845 Py_INCREF(Py_None); |
|
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|
4846 return Py_None; |
|
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|
4847 } |
|
24614
40eb80dc4250
Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents:
24460
diff
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|
4848 |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
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|
4849 static PyObject * |
|
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
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changeset
|
4850 wrap_descr_delete(PyObject *self, PyObject *args, void *wrapped) |
|
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
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|
4851 { |
|
61467
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|
4852 descrsetfunc func = (descrsetfunc)wrapped; |
|
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|
4853 PyObject *obj; |
|
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|
4854 int ret; |
|
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|
4855 |
|
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|
4856 if (!check_num_args(args, 1)) |
|
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|
4857 return NULL; |
|
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|
4858 obj = PyTuple_GET_ITEM(args, 0); |
|
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|
4859 ret = (*func)(self, obj, NULL); |
|
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|
4860 if (ret < 0) |
|
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|
4861 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4862 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4863 return Py_None; |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4864 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4865 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4866 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
|
4867 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
|
4868 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
4869 initproc func = (initproc)wrapped; |
|
f197407bdba2
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|
4870 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4871 if (func(self, args, kwds) < 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4872 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4873 Py_INCREF(Py_None); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4874 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4875 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4876 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4877 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
|
4878 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
|
4879 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4880 PyTypeObject *type, *subtype, *staticbase; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4881 PyObject *arg0, *res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4882 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4883 if (self == NULL || !PyType_Check(self)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4884 Py_FatalError("__new__() called with non-type 'self'"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4885 type = (PyTypeObject *)self; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4886 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4887 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4888 "%s.__new__(): not enough arguments", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4889 type->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4890 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
4891 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4892 arg0 = PyTuple_GET_ITEM(args, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4893 if (!PyType_Check(arg0)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
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changeset
|
4894 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4895 "%s.__new__(X): X is not a type object (%s)", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4896 type->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4897 Py_TYPE(arg0)->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4898 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4899 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4900 subtype = (PyTypeObject *)arg0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4901 if (!PyType_IsSubtype(subtype, type)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4902 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4903 "%s.__new__(%s): %s is not a subtype of %s", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4904 type->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4905 subtype->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4906 subtype->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4907 type->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4908 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
4909 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4910 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4911 /* Check that the use doesn't do something silly and unsafe like |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4912 object.__new__(dict). To do this, we check that the |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4913 most derived base that's not a heap type is this type. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
4914 staticbase = subtype; |
|
77651
bb6df3781edb
Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
Martin v. Löwis <martin@v.loewis.de>
parents:
77629
diff
changeset
|
4915 while (staticbase && (staticbase->tp_new == slot_tp_new)) |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4916 staticbase = staticbase->tp_base; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4917 /* If staticbase is NULL now, it is a really weird type. |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4918 In the spirit of backwards compatibility (?), just shut up. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4919 if (staticbase && staticbase->tp_new != type->tp_new) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4920 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4921 "%s.__new__(%s) is not safe, use %s.__new__()", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4922 type->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4923 subtype->tp_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4924 staticbase == NULL ? "?" : staticbase->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4925 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
4926 } |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4927 |
|
f197407bdba2
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diff
changeset
|
4928 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args)); |
|
f197407bdba2
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|
4929 if (args == NULL) |
|
f197407bdba2
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|
4930 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4931 res = type->tp_new(subtype, args, kwds); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4932 Py_DECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
4933 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4934 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4935 |
|
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
|
4936 static struct PyMethodDef tp_new_methoddef[] = { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4937 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS, |
|
f197407bdba2
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diff
changeset
|
4938 PyDoc_STR("T.__new__(S, ...) -> " |
|
f197407bdba2
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diff
changeset
|
4939 "a new object with type S, a subtype of T")}, |
|
f197407bdba2
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diff
changeset
|
4940 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4941 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4942 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4943 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
|
4944 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
|
4945 { |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
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|
4946 PyObject *func; |
|
f197407bdba2
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changeset
|
4947 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4948 if (_PyDict_GetItemId(type->tp_dict, &PyId___new__) != NULL) |
|
61467
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changeset
|
4949 return 0; |
|
81031
3a86a3f1d89a
Issue #15422: get rid of PyCFunction_New macro
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
80991
diff
changeset
|
4950 func = PyCFunction_NewEx(tp_new_methoddef, (PyObject *)type, NULL); |
|
61467
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|
4951 if (func == NULL) |
|
f197407bdba2
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diff
changeset
|
4952 return -1; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4953 if (_PyDict_SetItemId(type->tp_dict, &PyId___new__, func)) { |
|
61467
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|
4954 Py_DECREF(func); |
|
f197407bdba2
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|
4955 return -1; |
|
f197407bdba2
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|
4956 } |
|
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|
4957 Py_DECREF(func); |
|
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|
4958 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
|
4959 } |
|
c1daa94c21d8
A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents:
18941
diff
changeset
|
4960 |
| 19036 | 4961 /* Slot wrappers that call the corresponding __foo__ slot. See comments |
| 4962 below at override_slots() for more explanation. */ | |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4963 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4964 #define SLOT0(FUNCNAME, OPSTR) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4965 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4966 FUNCNAME(PyObject *self) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4967 { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
4968 _Py_static_string(id, OPSTR); \ |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
4969 return call_method(self, &id, "()"); \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4970 } |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4971 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4972 #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
|
4973 static PyObject * \ |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4974 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
|
4975 { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
4976 _Py_static_string(id, OPSTR); \ |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
4977 return call_method(self, &id, "(" ARGCODES ")", arg1); \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4978 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4979 |
|
27124
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4980 /* 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
|
4981 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
|
4982 static int |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4983 method_is_overloaded(PyObject *left, PyObject *right, struct _Py_Identifier *name) |
|
27124
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4984 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4985 PyObject *a, *b; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4986 int ok; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4987 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4988 b = _PyObject_GetAttrId((PyObject *)(Py_TYPE(right)), name); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4989 if (b == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4990 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4991 /* If right doesn't have it, it's not overloaded */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4992 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4993 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4994 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
4995 a = _PyObject_GetAttrId((PyObject *)(Py_TYPE(left)), name); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4996 if (a == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4997 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
4998 Py_DECREF(b); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4999 /* If right has it but left doesn't, it's overloaded */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5000 return 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5001 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5002 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5003 ok = PyObject_RichCompareBool(a, b, Py_NE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5004 Py_DECREF(a); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5005 Py_DECREF(b); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5006 if (ok < 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5007 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5008 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5009 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5010 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5011 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
|
5012 } |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
5013 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5014 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5015 #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
|
5016 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5017 FUNCNAME(PyObject *self, PyObject *other) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5018 { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5019 _Py_static_string(op_id, OPSTR); \ |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5020 _Py_static_string(rop_id, ROPSTR); \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5021 int do_other = Py_TYPE(self) != Py_TYPE(other) && \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5022 Py_TYPE(other)->tp_as_number != NULL && \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5023 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5024 if (Py_TYPE(self)->tp_as_number != NULL && \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5025 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5026 PyObject *r; \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5027 if (do_other && \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5028 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5029 method_is_overloaded(self, other, &rop_id)) { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5030 r = call_maybe(other, &rop_id, "(O)", self); \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5031 if (r != Py_NotImplemented) \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5032 return r; \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5033 Py_DECREF(r); \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5034 do_other = 0; \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5035 } \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5036 r = call_maybe(self, &op_id, "(O)", other); \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5037 if (r != Py_NotImplemented || \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5038 Py_TYPE(other) == Py_TYPE(self)) \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5039 return r; \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5040 Py_DECREF(r); \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5041 } \ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5042 if (do_other) { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5043 return call_maybe(other, &rop_id, "(O)", self); \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5044 } \ |
|
71810
d0b0fcbb40db
Replace Py_NotImplemented returns with the macro form Py_RETURN_NOTIMPLEMENTED.
Brian Curtin <brian@python.org>
parents:
71357
diff
changeset
|
5045 Py_RETURN_NOTIMPLEMENTED; \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5046 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5047 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5048 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5049 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
|
5050 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5051 #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
|
5052 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5053 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
|
5054 { \ |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5055 _Py_static_string(id, #OPSTR); \ |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5056 return call_method(self, &id, "(" ARGCODES ")", arg1, arg2); \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5057 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5058 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5059 static Py_ssize_t |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5060 slot_sq_length(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5061 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
5062 _Py_IDENTIFIER(__len__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5063 PyObject *res = call_method(self, &PyId___len__, "()"); |
|
61467
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|
5064 Py_ssize_t len; |
|
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|
5065 |
|
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changeset
|
5066 if (res == NULL) |
|
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changeset
|
5067 return -1; |
|
f197407bdba2
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diff
changeset
|
5068 len = PyNumber_AsSsize_t(res, PyExc_OverflowError); |
|
f197407bdba2
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|
5069 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
5070 if (len < 0) { |
|
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|
5071 if (!PyErr_Occurred()) |
|
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diff
changeset
|
5072 PyErr_SetString(PyExc_ValueError, |
|
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|
5073 "__len__() should return >= 0"); |
|
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changeset
|
5074 return -1; |
|
f197407bdba2
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diff
changeset
|
5075 } |
|
f197407bdba2
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changeset
|
5076 return len; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5077 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5078 |
|
20229
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
5079 /* 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
|
5080 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
|
5081 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5082 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
|
5083 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5084 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5085 descrgetfunc f; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5086 |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5087 func = _PyType_LookupId(Py_TYPE(self), &PyId___getitem__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5088 if (func != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5089 if ((f = Py_TYPE(func)->tp_descr_get) == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5090 Py_INCREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5091 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5092 func = f(func, self, (PyObject *)(Py_TYPE(self))); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5093 if (func == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5094 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5095 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5096 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5097 ival = PyLong_FromSsize_t(i); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5098 if (ival != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5099 args = PyTuple_New(1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5100 if (args != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5101 PyTuple_SET_ITEM(args, 0, ival); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5102 retval = PyObject_Call(func, args, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5103 Py_XDECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5104 Py_XDECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5105 return retval; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5106 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5107 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5108 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5109 else { |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5110 PyObject *getitem_str = _PyUnicode_FromId(&PyId___getitem__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5111 PyErr_SetObject(PyExc_AttributeError, getitem_str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5112 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5113 Py_XDECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5114 Py_XDECREF(ival); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5115 Py_XDECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5116 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
|
5117 } |
|
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
5118 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5119 static int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5120 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
|
5121 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5122 PyObject *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5123 _Py_IDENTIFIER(__delitem__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5124 _Py_IDENTIFIER(__setitem__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5125 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5126 if (value == NULL) |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5127 res = call_method(self, &PyId___delitem__, "(n)", index); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5128 else |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5129 res = call_method(self, &PyId___setitem__, "(nO)", index, value); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5130 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5131 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5132 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5133 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5134 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5135 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5136 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5137 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
|
5138 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5139 PyObject *func, *res, *args; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5140 int result = -1; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5141 _Py_IDENTIFIER(__contains__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5142 |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5143 func = lookup_maybe(self, &PyId___contains__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5144 if (func != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5145 args = PyTuple_Pack(1, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5146 if (args == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5147 res = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5148 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5149 res = PyObject_Call(func, args, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5150 Py_DECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5151 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5152 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5153 if (res != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5154 result = PyObject_IsTrue(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5155 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5156 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5157 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5158 else if (! PyErr_Occurred()) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5159 /* Possible results: -1 and 1 */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5160 result = (int)_PySequence_IterSearch(self, value, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5161 PY_ITERSEARCH_CONTAINS); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5162 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5163 return result; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5164 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5165 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5166 #define slot_mp_length slot_sq_length |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5167 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5168 SLOT1(slot_mp_subscript, "__getitem__", PyObject *, "O") |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5169 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5170 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5171 slot_mp_ass_subscript(PyObject *self, PyObject *key, PyObject *value) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5172 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5173 PyObject *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5174 _Py_IDENTIFIER(__delitem__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5175 _Py_IDENTIFIER(__setitem__); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5176 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5177 if (value == NULL) |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5178 res = call_method(self, &PyId___delitem__, "(O)", key); |
|
61467
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5179 else |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5180 res = call_method(self, &PyId___setitem__, "(OO)", key, value); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5181 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5182 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5183 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5184 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5185 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
5186 } |
|
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parents:
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|
5187 |
|
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|
5188 SLOT1BIN(slot_nb_add, nb_add, "__add__", "__radd__") |
|
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|
5189 SLOT1BIN(slot_nb_subtract, nb_subtract, "__sub__", "__rsub__") |
|
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|
5190 SLOT1BIN(slot_nb_multiply, nb_multiply, "__mul__", "__rmul__") |
|
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|
5191 SLOT1BIN(slot_nb_remainder, nb_remainder, "__mod__", "__rmod__") |
|
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|
5192 SLOT1BIN(slot_nb_divmod, nb_divmod, "__divmod__", "__rdivmod__") |
|
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|
5193 |
|
24280
1598a1e473e2
staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24250
diff
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|
5194 static PyObject *slot_nb_power(PyObject *, PyObject *, PyObject *); |
|
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|
5195 |
|
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|
5196 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power, |
|
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|
5197 nb_power, "__pow__", "__rpow__") |
|
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|
5198 |
|
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|
5199 static PyObject * |
|
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|
5200 slot_nb_power(PyObject *self, PyObject *other, PyObject *modulus) |
|
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|
5201 { |
|
74578
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Benjamin Peterson <benjamin@python.org>
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|
5202 _Py_IDENTIFIER(__pow__); |
|
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5203 |
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|
5204 if (modulus == Py_None) |
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|
5205 return slot_nb_power_binary(self, other); |
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|
5206 /* Three-arg power doesn't use __rpow__. But ternary_op |
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|
5207 can call this when the second argument's type uses |
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|
5208 slot_nb_power, so check before calling self.__pow__. */ |
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5209 if (Py_TYPE(self)->tp_as_number != NULL && |
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|
5210 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) { |
|
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Benjamin Peterson <benjamin@python.org>
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|
5211 return call_method(self, &PyId___pow__, "(OO)", other, modulus); |
|
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|
5212 } |
|
71810
d0b0fcbb40db
Replace Py_NotImplemented returns with the macro form Py_RETURN_NOTIMPLEMENTED.
Brian Curtin <brian@python.org>
parents:
71357
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|
5213 Py_RETURN_NOTIMPLEMENTED; |
|
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|
5214 } |
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|
5215 |
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|
5216 SLOT0(slot_nb_negative, "__neg__") |
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|
5217 SLOT0(slot_nb_positive, "__pos__") |
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|
5218 SLOT0(slot_nb_absolute, "__abs__") |
|
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|
5219 |
|
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|
5220 static int |
|
40401
88133417dfd0
- patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
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diff
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|
5221 slot_nb_bool(PyObject *self) |
|
18933
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|
5222 { |
|
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|
5223 PyObject *func, *args; |
|
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|
5224 int result = -1; |
|
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|
5225 int using_len = 0; |
|
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Benjamin Peterson <benjamin@python.org>
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|
5226 _Py_IDENTIFIER(__len__); |
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|
5227 _Py_IDENTIFIER(__bool__); |
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|
5228 |
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|
5229 func = lookup_maybe(self, &PyId___bool__); |
|
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|
5230 if (func == NULL) { |
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|
5231 if (PyErr_Occurred()) |
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|
5232 return -1; |
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5233 func = lookup_maybe(self, &PyId___len__); |
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|
5234 if (func == NULL) |
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|
5235 return PyErr_Occurred() ? -1 : 1; |
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|
5236 using_len = 1; |
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5237 } |
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|
5238 args = PyTuple_New(0); |
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|
5239 if (args != NULL) { |
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|
5240 PyObject *temp = PyObject_Call(func, args, NULL); |
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|
5241 Py_DECREF(args); |
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|
5242 if (temp != NULL) { |
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|
5243 if (using_len) { |
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|
5244 /* enforced by slot_nb_len */ |
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|
5245 result = PyObject_IsTrue(temp); |
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|
5246 } |
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|
5247 else if (PyBool_Check(temp)) { |
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|
5248 result = PyObject_IsTrue(temp); |
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|
5249 } |
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|
5250 else { |
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|
5251 PyErr_Format(PyExc_TypeError, |
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|
5252 "__bool__ should return " |
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|
5253 "bool, returned %s", |
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|
5254 Py_TYPE(temp)->tp_name); |
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|
5255 result = -1; |
|
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|
5256 } |
|
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|
5257 Py_DECREF(temp); |
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5258 } |
|
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|
5259 } |
|
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|
5260 Py_DECREF(func); |
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|
5261 return result; |
|
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|
5262 } |
|
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|
5263 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
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diff
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|
5264 |
|
39610
3674f20ac781
Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents:
39603
diff
changeset
|
5265 static PyObject * |
|
36882
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|
5266 slot_nb_index(PyObject *self) |
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|
5267 { |
|
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5268 _Py_IDENTIFIER(__index__); |
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|
5269 return call_method(self, &PyId___index__, "()"); |
|
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|
5270 } |
|
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|
5271 |
|
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|
5272 |
|
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|
5273 SLOT0(slot_nb_invert, "__invert__") |
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|
5274 SLOT1BIN(slot_nb_lshift, nb_lshift, "__lshift__", "__rlshift__") |
|
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|
5275 SLOT1BIN(slot_nb_rshift, nb_rshift, "__rshift__", "__rrshift__") |
|
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|
5276 SLOT1BIN(slot_nb_and, nb_and, "__and__", "__rand__") |
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|
5277 SLOT1BIN(slot_nb_xor, nb_xor, "__xor__", "__rxor__") |
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|
5278 SLOT1BIN(slot_nb_or, nb_or, "__or__", "__ror__") |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
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diff
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|
5279 |
|
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|
5280 SLOT0(slot_nb_int, "__int__") |
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|
5281 SLOT0(slot_nb_float, "__float__") |
|
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|
5282 SLOT1(slot_nb_inplace_add, "__iadd__", PyObject *, "O") |
|
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|
5283 SLOT1(slot_nb_inplace_subtract, "__isub__", PyObject *, "O") |
|
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|
5284 SLOT1(slot_nb_inplace_multiply, "__imul__", PyObject *, "O") |
|
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|
5285 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O") |
|
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|
5286 /* Can't use SLOT1 here, because nb_inplace_power is ternary */ |
|
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|
5287 static PyObject * |
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|
5288 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2) |
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5289 { |
|
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|
5290 _Py_IDENTIFIER(__ipow__); |
|
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|
5291 return call_method(self, &PyId___ipow__, "(" "O" ")", arg1); |
|
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Thomas Wouters <thomas@python.org>
parents:
40809
diff
changeset
|
5292 } |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5293 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
|
5294 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
|
5295 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
|
5296 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
|
5297 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
|
5298 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide, |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5299 "__floordiv__", "__rfloordiv__") |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5300 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
|
5301 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
|
5302 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
|
5303 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5304 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5305 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
|
5306 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5307 PyObject *func, *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5308 _Py_IDENTIFIER(__repr__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5309 |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5310 func = lookup_method(self, &PyId___repr__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5311 if (func != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5312 res = PyEval_CallObject(func, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5313 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5314 return res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5315 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5316 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5317 return PyUnicode_FromFormat("<%s object at %p>", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5318 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
|
5319 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5320 |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5321 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5322 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
|
5323 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5324 PyObject *func, *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5325 _Py_IDENTIFIER(__str__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5326 |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5327 func = lookup_method(self, &PyId___str__); |
|
84561
01a46dc00fc8
Issue #18408: slot_tp_str() must not fallback on slot_tp_repr() on error
Victor Stinner <victor.stinner@gmail.com>
parents:
84560
diff
changeset
|
5328 if (func == NULL) |
|
01a46dc00fc8
Issue #18408: slot_tp_str() must not fallback on slot_tp_repr() on error
Victor Stinner <victor.stinner@gmail.com>
parents:
84560
diff
changeset
|
5329 return NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5330 res = PyEval_CallObject(func, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5331 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5332 return res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5333 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5334 |
|
65494
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5335 static Py_hash_t |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5336 slot_tp_hash(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5337 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5338 PyObject *func, *res; |
|
65494
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5339 Py_ssize_t h; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5340 |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5341 func = lookup_method(self, &PyId___hash__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5342 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5343 if (func == Py_None) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5344 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5345 func = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5346 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5347 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5348 if (func == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5349 return PyObject_HashNotImplemented(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5350 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5351 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5352 res = PyEval_CallObject(func, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5353 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5354 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5355 return -1; |
|
61873
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5356 |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5357 if (!PyLong_Check(res)) { |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5358 PyErr_SetString(PyExc_TypeError, |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5359 "__hash__ method should return an integer"); |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5360 return -1; |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5361 } |
|
65494
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5362 /* Transform the PyLong `res` to a Py_hash_t `h`. For an existing |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5363 hashable Python object x, hash(x) will always lie within the range of |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5364 Py_hash_t. Therefore our transformation must preserve values that |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5365 already lie within this range, to ensure that if x.__hash__() returns |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5366 hash(y) then hash(x) == hash(y). */ |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5367 h = PyLong_AsSsize_t(res); |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5368 if (h == -1 && PyErr_Occurred()) { |
|
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5369 /* res was not within the range of a Py_hash_t, so we're free to |
|
61873
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5370 use any sufficiently bit-mixing transformation; |
|
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5371 long.__hash__ will do nicely. */ |
|
65494
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5372 PyErr_Clear(); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5373 h = PyLong_Type.tp_hash(res); |
|
65494
e8969fb822fc
make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents:
65067
diff
changeset
|
5374 } |
|
65499
b1bda1ec995f
-1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents:
65494
diff
changeset
|
5375 /* -1 is reserved for errors. */ |
|
b1bda1ec995f
-1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents:
65494
diff
changeset
|
5376 if (h == -1) |
|
b1bda1ec995f
-1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents:
65494
diff
changeset
|
5377 h = -2; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5378 Py_DECREF(res); |
|
61873
0bc8ffe6ba9a
Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents:
61722
diff
changeset
|
5379 return h; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5380 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5381 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5382 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5383 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
|
5384 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5385 _Py_IDENTIFIER(__call__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5386 PyObject *meth = lookup_method(self, &PyId___call__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5387 PyObject *res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5388 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5389 if (meth == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5390 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5391 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5392 res = PyObject_Call(meth, args, kwds); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5393 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5394 Py_DECREF(meth); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5395 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5396 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5397 |
|
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
|
5398 /* 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
|
5399 |
|
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
|
5400 - 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
|
5401 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
|
5402 |
|
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
|
5403 - 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
|
5404 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
5405 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
|
5406 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
|
5407 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
|
5408 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5409 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5410 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
|
5411 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5412 return call_method(self, &PyId___getattribute__, "(O)", name); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5413 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5414 |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5415 static PyObject * |
|
49742
356c3e18da5e
Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
49518
diff
changeset
|
5416 call_attribute(PyObject *self, PyObject *attr, PyObject *name) |
|
356c3e18da5e
Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
49518
diff
changeset
|
5417 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5418 PyObject *res, *descr = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5419 descrgetfunc f = Py_TYPE(attr)->tp_descr_get; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5420 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5421 if (f != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5422 descr = f(attr, self, (PyObject *)(Py_TYPE(self))); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5423 if (descr == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5424 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5425 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5426 attr = descr; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5427 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5428 res = PyObject_CallFunctionObjArgs(attr, name, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5429 Py_XDECREF(descr); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5430 return res; |
|
49742
356c3e18da5e
Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
49518
diff
changeset
|
5431 } |
|
356c3e18da5e
Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
49518
diff
changeset
|
5432 |
|
356c3e18da5e
Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
49518
diff
changeset
|
5433 static PyObject * |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5434 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
|
5435 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5436 PyTypeObject *tp = Py_TYPE(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5437 PyObject *getattr, *getattribute, *res; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5438 _Py_IDENTIFIER(__getattr__); |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5439 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5440 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5441 method fully for each attribute lookup for classes with |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5442 __getattr__, even when the attribute is present. So we use |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5443 _PyType_Lookup and create the method only when needed, with |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5444 call_attribute. */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5445 getattr = _PyType_LookupId(tp, &PyId___getattr__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5446 if (getattr == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5447 /* No __getattr__ hook: use a simpler dispatcher */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5448 tp->tp_getattro = slot_tp_getattro; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5449 return slot_tp_getattro(self, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5450 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5451 Py_INCREF(getattr); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5452 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5453 method fully for each attribute lookup for classes with |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5454 __getattr__, even when self has the default __getattribute__ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5455 method. So we use _PyType_Lookup and create the method only when |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5456 needed, with call_attribute. */ |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5457 getattribute = _PyType_LookupId(tp, &PyId___getattribute__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5458 if (getattribute == NULL || |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5459 (Py_TYPE(getattribute) == &PyWrapperDescr_Type && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5460 ((PyWrapperDescrObject *)getattribute)->d_wrapped == |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5461 (void *)PyObject_GenericGetAttr)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5462 res = PyObject_GenericGetAttr(self, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5463 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5464 Py_INCREF(getattribute); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5465 res = call_attribute(self, getattribute, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5466 Py_DECREF(getattribute); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5467 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5468 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5469 PyErr_Clear(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5470 res = call_attribute(self, getattr, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5471 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5472 Py_DECREF(getattr); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5473 return res; |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5474 } |
|
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5475 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5476 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5477 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
|
5478 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5479 PyObject *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5480 _Py_IDENTIFIER(__delattr__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5481 _Py_IDENTIFIER(__setattr__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5482 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5483 if (value == NULL) |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5484 res = call_method(self, &PyId___delattr__, "(O)", name); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5485 else |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5486 res = call_method(self, &PyId___setattr__, "(OO)", name, value); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5487 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5488 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5489 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5490 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5491 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5492 |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5493 static _Py_Identifier name_op[] = { |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5494 {0, "__lt__", 0}, |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5495 {0, "__le__", 0}, |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5496 {0, "__eq__", 0}, |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5497 {0, "__ne__", 0}, |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5498 {0, "__gt__", 0}, |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5499 {0, "__ge__", 0} |
|
44407
dda29e712815
Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents:
44351
diff
changeset
|
5500 }; |
|
dda29e712815
Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents:
44351
diff
changeset
|
5501 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5502 static PyObject * |
|
57273
c5099818e0d4
Issue #6970: Remove redundant calls made when comparing objects.
Mark Dickinson <dickinsm@gmail.com>
parents:
55399
diff
changeset
|
5503 slot_tp_richcompare(PyObject *self, PyObject *other, int op) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5504 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5505 PyObject *func, *args, *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5506 |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5507 func = lookup_method(self, &name_op[op]); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5508 if (func == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5509 PyErr_Clear(); |
|
71810
d0b0fcbb40db
Replace Py_NotImplemented returns with the macro form Py_RETURN_NOTIMPLEMENTED.
Brian Curtin <brian@python.org>
parents:
71357
diff
changeset
|
5510 Py_RETURN_NOTIMPLEMENTED; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5511 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5512 args = PyTuple_Pack(1, other); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5513 if (args == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5514 res = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5515 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5516 res = PyObject_Call(func, args, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5517 Py_DECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5518 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5519 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5520 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5521 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5522 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5523 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5524 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
|
5525 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5526 PyObject *func, *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5527 _Py_IDENTIFIER(__iter__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5528 |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5529 func = lookup_method(self, &PyId___iter__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5530 if (func != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5531 PyObject *args; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5532 args = res = PyTuple_New(0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5533 if (args != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5534 res = PyObject_Call(func, args, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5535 Py_DECREF(args); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5536 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5537 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5538 return res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5539 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
5540 PyErr_Clear(); |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5541 func = lookup_method(self, &PyId___getitem__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5542 if (func == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5543 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5544 "'%.200s' object is not iterable", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5545 Py_TYPE(self)->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5546 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5547 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5548 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
5549 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
|
5550 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5551 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5552 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5553 slot_tp_iternext(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5554 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5555 _Py_IDENTIFIER(__next__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5556 return call_method(self, &PyId___next__, "()"); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5557 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5558 |
|
19339
6130deeb4cc6
type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents:
19329
diff
changeset
|
5559 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
|
5560 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
|
5561 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5562 PyTypeObject *tp = Py_TYPE(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5563 PyObject *get; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5564 _Py_IDENTIFIER(__get__); |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5565 |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5566 get = _PyType_LookupId(tp, &PyId___get__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5567 if (get == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5568 /* Avoid further slowdowns */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5569 if (tp->tp_descr_get == slot_tp_descr_get) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5570 tp->tp_descr_get = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5571 Py_INCREF(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5572 return self; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5573 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5574 if (obj == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
5575 obj = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5576 if (type == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5577 type = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5578 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
|
5579 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5580 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5581 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5582 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
|
5583 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5584 PyObject *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5585 _Py_IDENTIFIER(__delete__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5586 _Py_IDENTIFIER(__set__); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5587 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5588 if (value == NULL) |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5589 res = call_method(self, &PyId___delete__, "(O)", target); |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5590 else |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5591 res = call_method(self, &PyId___set__, "(OO)", target, value); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5592 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5593 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5594 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5595 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5596 } |
|
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 int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5599 slot_tp_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
5600 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5601 _Py_IDENTIFIER(__init__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74141
diff
changeset
|
5602 PyObject *meth = lookup_method(self, &PyId___init__); |
|
61467
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changeset
|
5603 PyObject *res; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5604 |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5605 if (meth == NULL) |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5606 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5607 res = PyObject_Call(meth, args, kwds); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5608 Py_DECREF(meth); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5609 if (res == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5610 return -1; |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5611 if (res != Py_None) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5612 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
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changeset
|
5613 "__init__() should return None, not '%.200s'", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
5614 Py_TYPE(res)->tp_name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5615 Py_DECREF(res); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5616 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5617 } |
|
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|
5618 Py_DECREF(res); |
|
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|
5619 return 0; |
|
18933
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Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
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|
5620 } |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
5621 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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changeset
|
5622 static PyObject * |
|
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Tim Peters <tim.peters@gmail.com>
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changeset
|
5623 slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
|
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Merge of descr-branch back into trunk.
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|
5624 { |
|
61467
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|
5625 PyObject *func; |
|
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|
5626 PyObject *newargs, *x; |
|
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|
5627 Py_ssize_t i, n; |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5628 _Py_IDENTIFIER(__new__); |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
diff
changeset
|
5629 |
|
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75773
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changeset
|
5630 func = _PyObject_GetAttrId((PyObject *)type, &PyId___new__); |
|
61467
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|
5631 if (func == NULL) |
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|
5632 return NULL; |
|
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|
5633 assert(PyTuple_Check(args)); |
|
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|
5634 n = PyTuple_GET_SIZE(args); |
|
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|
5635 newargs = PyTuple_New(n+1); |
|
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|
5636 if (newargs == NULL) |
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|
5637 return NULL; |
|
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|
5638 Py_INCREF(type); |
|
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|
5639 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type); |
|
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|
5640 for (i = 0; i < n; i++) { |
|
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|
5641 x = PyTuple_GET_ITEM(args, i); |
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|
5642 Py_INCREF(x); |
|
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|
5643 PyTuple_SET_ITEM(newargs, i+1, x); |
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5644 } |
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|
5645 x = PyObject_Call(func, newargs, kwds); |
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|
5646 Py_DECREF(newargs); |
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|
5647 Py_DECREF(func); |
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|
5648 return x; |
|
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5649 } |
|
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|
5650 |
|
24678
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
5651 static void |
|
84911
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
parents:
84725
diff
changeset
|
5652 slot_tp_finalize(PyObject *self) |
|
24678
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A modest speedup of object deallocation. call_finalizer() did rather
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parents:
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diff
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|
5653 { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
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|
5654 _Py_IDENTIFIER(__del__); |
|
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|
5655 PyObject *del, *res; |
|
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|
5656 PyObject *error_type, *error_value, *error_traceback; |
|
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|
5657 |
|
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|
5658 /* Save the current exception, if any. */ |
|
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|
5659 PyErr_Fetch(&error_type, &error_value, &error_traceback); |
|
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|
5660 |
|
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|
5661 /* Execute __del__ method, if any. */ |
|
74578
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use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
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|
5662 del = lookup_maybe(self, &PyId___del__); |
|
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|
5663 if (del != NULL) { |
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|
5664 res = PyEval_CallObject(del, NULL); |
|
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|
5665 if (res == NULL) |
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|
5666 PyErr_WriteUnraisable(del); |
|
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|
5667 else |
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|
5668 Py_DECREF(res); |
|
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|
5669 Py_DECREF(del); |
|
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|
5670 } |
|
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5671 |
|
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|
5672 /* Restore the saved exception. */ |
|
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|
5673 PyErr_Restore(error_type, error_value, error_traceback); |
|
24678
71dca7c76fa2
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parents:
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diff
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|
5674 } |
|
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
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parents:
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diff
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|
5675 |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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diff
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|
5676 |
|
83059
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
5677 /* |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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diff
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|
5678 Table mapping __foo__ names to tp_foo offsets and slot_tp_foo wrapper functions. |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
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diff
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|
5679 |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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diff
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|
5680 The table is ordered by offsets relative to the 'PyHeapTypeObject' structure, |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
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diff
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|
5681 which incorporates the additional structures used for numbers, sequences and |
|
9431a092b708
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|
5682 mappings. Note that multiple names may map to the same slot (e.g. __eq__, |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
5683 __ne__ etc. all map to tp_richcompare) and one name may map to multiple slots |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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diff
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|
5684 (e.g. __str__ affects tp_str as well as tp_repr). The table is terminated with |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
5685 an all-zero entry. (This table is further initialized in init_slotdefs().) |
|
9431a092b708
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parents:
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|
5686 */ |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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diff
changeset
|
5687 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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parents:
20516
diff
changeset
|
5688 typedef struct wrapperbase slotdef; |
|
20343
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Halfway checkin. This is still messy, but it's beginning to address
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diff
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|
5689 |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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parents:
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diff
changeset
|
5690 #undef TPSLOT |
|
20599
ff57a1a370b3
Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents:
20595
diff
changeset
|
5691 #undef FLSLOT |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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parents:
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diff
changeset
|
5692 #undef ETSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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parents:
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diff
changeset
|
5693 #undef SQSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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diff
changeset
|
5694 #undef MPSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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diff
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|
5695 #undef NBSLOT |
|
20586
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Big internal change that should have no external effects: unify the
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diff
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|
5696 #undef UNSLOT |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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diff
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|
5697 #undef IBSLOT |
|
20343
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Halfway checkin. This is still messy, but it's beginning to address
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parents:
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diff
changeset
|
5698 #undef BINSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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parents:
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diff
changeset
|
5699 #undef RBINSLOT |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5700 |
|
20586
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Big internal change that should have no external effects: unify the
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|
5701 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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|
5702 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
|
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|
5703 PyDoc_STR(DOC)} |
|
20599
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Methods of built-in types now properly check for keyword arguments
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|
5704 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \ |
|
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5705 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
|
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|
5706 PyDoc_STR(DOC), FLAGS} |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
5707 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5708 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
|
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|
5709 PyDoc_STR(DOC)} |
|
20586
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Big internal change that should have no external effects: unify the
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|
5710 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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|
5711 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC) |
|
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|
5712 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5713 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC) |
|
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|
5714 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5715 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC) |
|
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5716 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5717 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5718 "x." NAME "() <==> " DOC) |
|
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|
5719 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
|
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5720 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5721 "x." NAME "(y) <==> x" DOC "y") |
|
20586
9bd603d434f5
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Guido van Rossum <guido@python.org>
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|
5722 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
|
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5723 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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5724 "x." NAME "(y) <==> x" DOC "y") |
|
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Guido van Rossum <guido@python.org>
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|
5725 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
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5726 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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|
5727 "x." NAME "(y) <==> y" DOC "x") |
|
35004
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fix object.__divmod__.__doc__
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|
5728 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5729 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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|
5730 "x." NAME "(y) <==> " DOC) |
|
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fix object.__divmod__.__doc__
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|
5731 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5732 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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|
5733 "x." NAME "(y) <==> " DOC) |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
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|
5734 |
|
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Halfway checkin. This is still messy, but it's beginning to address
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|
5735 static slotdef slotdefs[] = { |
|
83059
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5736 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""), |
|
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|
5737 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""), |
|
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5738 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""), |
|
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5739 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""), |
|
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|
5740 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc, |
|
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|
5741 "x.__repr__() <==> repr(x)"), |
|
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5742 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc, |
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|
5743 "x.__hash__() <==> hash(x)"), |
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Benjamin Peterson <benjamin@python.org>
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5744 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call, |
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|
5745 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS), |
|
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5746 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc, |
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Benjamin Peterson <benjamin@python.org>
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|
5747 "x.__str__() <==> str(x)"), |
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Benjamin Peterson <benjamin@python.org>
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|
5748 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook, |
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|
5749 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"), |
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Benjamin Peterson <benjamin@python.org>
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5750 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""), |
|
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Benjamin Peterson <benjamin@python.org>
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|
5751 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr, |
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|
5752 "x.__setattr__('name', value) <==> x.name = value"), |
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9431a092b708
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|
5753 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr, |
|
9431a092b708
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|
5754 "x.__delattr__('name') <==> del x.name"), |
|
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Benjamin Peterson <benjamin@python.org>
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5755 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt, |
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Benjamin Peterson <benjamin@python.org>
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|
5756 "x.__lt__(y) <==> x<y"), |
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Benjamin Peterson <benjamin@python.org>
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5757 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le, |
|
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|
5758 "x.__le__(y) <==> x<=y"), |
|
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|
5759 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq, |
|
9431a092b708
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Benjamin Peterson <benjamin@python.org>
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|
5760 "x.__eq__(y) <==> x==y"), |
|
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|
5761 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne, |
|
9431a092b708
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|
5762 "x.__ne__(y) <==> x!=y"), |
|
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|
5763 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt, |
|
9431a092b708
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|
5764 "x.__gt__(y) <==> x>y"), |
|
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Benjamin Peterson <benjamin@python.org>
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|
5765 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge, |
|
9431a092b708
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Benjamin Peterson <benjamin@python.org>
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|
5766 "x.__ge__(y) <==> x>=y"), |
|
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|
5767 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc, |
|
9431a092b708
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|
5768 "x.__iter__() <==> iter(x)"), |
|
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|
5769 TPSLOT("__next__", tp_iternext, slot_tp_iternext, wrap_next, |
|
9431a092b708
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Benjamin Peterson <benjamin@python.org>
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|
5770 "x.__next__() <==> next(x)"), |
|
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|
5771 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get, |
|
9431a092b708
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|
5772 "descr.__get__(obj[, type]) -> value"), |
|
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|
5773 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set, |
|
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|
5774 "descr.__set__(obj, value)"), |
|
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|
5775 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set, |
|
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|
5776 wrap_descr_delete, "descr.__delete__(obj)"), |
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|
5777 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init, |
|
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|
5778 "x.__init__(...) initializes x; " |
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|
5779 "see help(type(x)) for signature", |
|
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|
5780 PyWrapperFlag_KEYWORDS), |
|
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|
5781 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""), |
|
84911
3f994367a979
Issue #18112: PEP 442 implementation (safe object finalization).
Antoine Pitrou <solipsis@pitrou.net>
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|
5782 TPSLOT("__del__", tp_finalize, slot_tp_finalize, (wrapperfunc)wrap_del, ""), |
|
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5783 |
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5784 BINSLOT("__add__", nb_add, slot_nb_add, |
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5785 "+"), |
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5786 RBINSLOT("__radd__", nb_add, slot_nb_add, |
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5787 "+"), |
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5788 BINSLOT("__sub__", nb_subtract, slot_nb_subtract, |
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5789 "-"), |
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|
5790 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract, |
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5791 "-"), |
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5792 BINSLOT("__mul__", nb_multiply, slot_nb_multiply, |
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5793 "*"), |
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5794 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply, |
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5795 "*"), |
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5796 BINSLOT("__mod__", nb_remainder, slot_nb_remainder, |
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5797 "%"), |
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5798 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder, |
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5799 "%"), |
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5800 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod, |
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5801 "divmod(x, y)"), |
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5802 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod, |
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5803 "divmod(y, x)"), |
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5804 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc, |
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5805 "x.__pow__(y[, z]) <==> pow(x, y[, z])"), |
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5806 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r, |
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5807 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"), |
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5808 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"), |
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5809 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"), |
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5810 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc, |
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5811 "abs(x)"), |
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5812 UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred, |
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5813 "x != 0"), |
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5814 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"), |
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5815 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5816 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5817 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5818 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5819 BINSLOT("__and__", nb_and, slot_nb_and, "&"), |
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5820 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"), |
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5821 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"), |
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5822 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"), |
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5823 BINSLOT("__or__", nb_or, slot_nb_or, "|"), |
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5824 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"), |
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5825 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc, |
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5826 "int(x)"), |
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5827 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc, |
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5828 "float(x)"), |
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5829 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add, |
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5830 wrap_binaryfunc, "+="), |
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5831 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract, |
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5832 wrap_binaryfunc, "-="), |
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5833 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply, |
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5834 wrap_binaryfunc, "*="), |
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5835 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder, |
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5836 wrap_binaryfunc, "%="), |
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5837 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power, |
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5838 wrap_binaryfunc, "**="), |
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5839 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift, |
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5840 wrap_binaryfunc, "<<="), |
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5841 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift, |
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5842 wrap_binaryfunc, ">>="), |
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5843 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and, |
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5844 wrap_binaryfunc, "&="), |
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5845 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor, |
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5846 wrap_binaryfunc, "^="), |
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5847 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or, |
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5848 wrap_binaryfunc, "|="), |
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5849 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5850 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5851 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5852 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5853 IBSLOT("__ifloordiv__", nb_inplace_floor_divide, |
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5854 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"), |
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5855 IBSLOT("__itruediv__", nb_inplace_true_divide, |
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5856 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"), |
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5857 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc, |
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5858 "x[y:z] <==> x[y.__index__():z.__index__()]"), |
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5859 |
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5860 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc, |
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5861 "x.__len__() <==> len(x)"), |
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5862 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript, |
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5863 wrap_binaryfunc, |
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5864 "x.__getitem__(y) <==> x[y]"), |
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5865 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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5866 wrap_objobjargproc, |
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5867 "x.__setitem__(i, y) <==> x[i]=y"), |
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5868 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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5869 wrap_delitem, |
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5870 "x.__delitem__(y) <==> del x[y]"), |
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5871 |
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5872 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc, |
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5873 "x.__len__() <==> len(x)"), |
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5874 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL. |
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5875 The logic in abstract.c always falls back to nb_add/nb_multiply in |
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5876 this case. Defining both the nb_* and the sq_* slots to call the |
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5877 user-defined methods has unexpected side-effects, as shown by |
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5878 test_descr.notimplemented() */ |
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5879 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc, |
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5880 "x.__add__(y) <==> x+y"), |
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5881 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc, |
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5882 "x.__mul__(n) <==> x*n"), |
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5883 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc, |
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5884 "x.__rmul__(n) <==> n*x"), |
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5885 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item, |
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5886 "x.__getitem__(y) <==> x[y]"), |
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5887 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem, |
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5888 "x.__setitem__(i, y) <==> x[i]=y"), |
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5889 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem, |
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5890 "x.__delitem__(y) <==> del x[y]"), |
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5891 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc, |
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5892 "x.__contains__(y) <==> y in x"), |
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5893 SQSLOT("__iadd__", sq_inplace_concat, NULL, |
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5894 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"), |
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5895 SQSLOT("__imul__", sq_inplace_repeat, NULL, |
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5896 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"), |
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5897 |
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5898 {NULL} |
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5899 }; |
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5900 |
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22834
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5901 /* Given a type pointer and an offset gotten from a slotdef entry, return a |
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5902 pointer to the actual slot. This is not quite the same as simply adding |
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5903 the offset to the type pointer, since it takes care to indirect through the |
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|
5904 proper indirection pointer (as_buffer, etc.); it returns NULL if the |
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5905 indirection pointer is NULL. */ |
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|
5906 static void ** |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
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|
5907 slotptr(PyTypeObject *type, int ioffset) |
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5908 { |
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5909 char *ptr; |
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5910 long offset = ioffset; |
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5911 |
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5912 /* Note: this depends on the order of the members of PyHeapTypeObject! */ |
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|
5913 assert(offset >= 0); |
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|
5914 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer)); |
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5915 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) { |
|
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5916 ptr = (char *)type->tp_as_sequence; |
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|
5917 offset -= offsetof(PyHeapTypeObject, as_sequence); |
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|
5918 } |
|
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5919 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) { |
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5920 ptr = (char *)type->tp_as_mapping; |
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5921 offset -= offsetof(PyHeapTypeObject, as_mapping); |
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5922 } |
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5923 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) { |
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5924 ptr = (char *)type->tp_as_number; |
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5925 offset -= offsetof(PyHeapTypeObject, as_number); |
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5926 } |
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5927 else { |
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5928 ptr = (char *)type; |
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5929 } |
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5930 if (ptr != NULL) |
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5931 ptr += offset; |
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5932 return (void **)ptr; |
|
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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|
5933 } |
| 19036 | 5934 |
|
22834
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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|
5935 /* Length of array of slotdef pointers used to store slots with the |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5936 same __name__. There should be at most MAX_EQUIV-1 slotdef entries with |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5937 the same __name__, for any __name__. Since that's a static property, it is |
|
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A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
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|
5938 appropriate to declare fixed-size arrays for this. */ |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5939 #define MAX_EQUIV 10 |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5940 |
|
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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|
5941 /* Return a slot pointer for a given name, but ONLY if the attribute has |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5942 exactly one slot function. The name must be an interned string. */ |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5943 static void ** |
|
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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|
5944 resolve_slotdups(PyTypeObject *type, PyObject *name) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
5945 { |
|
61467
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5946 /* XXX Maybe this could be optimized more -- but is it worth it? */ |
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5947 |
|
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5948 /* pname and ptrs act as a little cache */ |
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5949 static PyObject *pname; |
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5950 static slotdef *ptrs[MAX_EQUIV]; |
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|
5951 slotdef *p, **pp; |
|
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5952 void **res, **ptr; |
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5953 |
|
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5954 if (pname != name) { |
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5955 /* Collect all slotdefs that match name into ptrs. */ |
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5956 pname = name; |
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5957 pp = ptrs; |
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5958 for (p = slotdefs; p->name_strobj; p++) { |
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5959 if (p->name_strobj == name) |
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5960 *pp++ = p; |
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5961 } |
|
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5962 *pp = NULL; |
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5963 } |
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5964 |
|
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5965 /* Look in all matching slots of the type; if exactly one of these has |
|
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5966 a filled-in slot, return its value. Otherwise return NULL. */ |
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5967 res = NULL; |
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5968 for (pp = ptrs; *pp; pp++) { |
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5969 ptr = slotptr(type, (*pp)->offset); |
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5970 if (ptr == NULL || *ptr == NULL) |
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5971 continue; |
|
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5972 if (res != NULL) |
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5973 return NULL; |
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5974 res = ptr; |
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5975 } |
|
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|
5976 return res; |
|
22834
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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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|
5977 } |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
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diff
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|
5978 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
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|
5979 /* Common code for update_slots_callback() and fixup_slot_dispatchers(). This |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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diff
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|
5980 does some incredibly complex thinking and then sticks something into the |
|
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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|
5981 slot. (It sees if the adjacent slotdefs for the same slot have conflicting |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
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diff
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|
5982 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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|
5983 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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|
5984 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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|
5985 static slotdef * |
|
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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|
5986 update_one_slot(PyTypeObject *type, slotdef *p) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
5987 { |
|
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5988 PyObject *descr; |
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5989 PyWrapperDescrObject *d; |
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5990 void *generic = NULL, *specific = NULL; |
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5991 int use_generic = 0; |
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5992 int offset = p->offset; |
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5993 void **ptr = slotptr(type, offset); |
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5994 |
|
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5995 if (ptr == NULL) { |
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5996 do { |
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|
5997 ++p; |
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5998 } while (p->offset == offset); |
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5999 return p; |
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6000 } |
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6001 do { |
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6002 descr = _PyType_Lookup(type, p->name_strobj); |
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6003 if (descr == NULL) { |
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6004 if (ptr == (void**)&type->tp_iternext) { |
|
79048
e9e6e5104936
Silence compiler warnings on Solaris 10 via explicit (void *) casts.
Trent Nelson <trent@trent.me>
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|
6005 specific = (void *)_PyObject_NextNotImplemented; |
|
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6006 } |
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6007 continue; |
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6008 } |
|
76518
971865f12377
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|
6009 if (Py_TYPE(descr) == &PyWrapperDescr_Type && |
|
971865f12377
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Benjamin Peterson <benjamin@python.org>
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|
6010 ((PyWrapperDescrObject *)descr)->d_base->name_strobj == p->name_strobj) { |
|
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6011 void **tptr = resolve_slotdups(type, p->name_strobj); |
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6012 if (tptr == NULL || tptr == ptr) |
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6013 generic = p->function; |
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6014 d = (PyWrapperDescrObject *)descr; |
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6015 if (d->d_base->wrapper == p->wrapper && |
|
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6016 PyType_IsSubtype(type, PyDescr_TYPE(d))) |
|
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6017 { |
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6018 if (specific == NULL || |
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|
6019 specific == d->d_wrapped) |
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6020 specific = d->d_wrapped; |
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6021 else |
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6022 use_generic = 1; |
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6023 } |
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6024 } |
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6025 else if (Py_TYPE(descr) == &PyCFunction_Type && |
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6026 PyCFunction_GET_FUNCTION(descr) == |
|
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6027 (PyCFunction)tp_new_wrapper && |
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6028 ptr == (void**)&type->tp_new) |
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6029 { |
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6030 /* The __new__ wrapper is not a wrapper descriptor, |
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6031 so must be special-cased differently. |
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6032 If we don't do this, creating an instance will |
|
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6033 always use slot_tp_new which will look up |
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6034 __new__ in the MRO which will call tp_new_wrapper |
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6035 which will look through the base classes looking |
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6036 for a static base and call its tp_new (usually |
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6037 PyType_GenericNew), after performing various |
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6038 sanity checks and constructing a new argument |
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6039 list. Cut all that nonsense short -- this speeds |
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6040 up instance creation tremendously. */ |
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6041 specific = (void *)type->tp_new; |
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6042 /* XXX I'm not 100% sure that there isn't a hole |
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6043 in this reasoning that requires additional |
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6044 sanity checks. I'll buy the first person to |
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6045 point out a bug in this reasoning a beer. */ |
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6046 } |
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6047 else if (descr == Py_None && |
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6048 ptr == (void**)&type->tp_hash) { |
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6049 /* We specifically allow __hash__ to be set to None |
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6050 to prevent inheritance of the default |
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|
6051 implementation from object.__hash__ */ |
|
79048
e9e6e5104936
Silence compiler warnings on Solaris 10 via explicit (void *) casts.
Trent Nelson <trent@trent.me>
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6052 specific = (void *)PyObject_HashNotImplemented; |
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6053 } |
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6054 else { |
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6055 use_generic = 1; |
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6056 generic = p->function; |
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6057 } |
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6058 } while ((++p)->offset == offset); |
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6059 if (specific && !use_generic) |
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6060 *ptr = specific; |
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6061 else |
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6062 *ptr = generic; |
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6063 return p; |
|
22834
0908729e94e0
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Guido van Rossum <guido@python.org>
parents:
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|
6064 } |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
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|
6065 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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|
6066 /* In the type, update the slots whose slotdefs are gathered in the pp array. |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6067 This is a callback for update_subclasses(). */ |
|
20382
be08734b0afd
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Guido van Rossum <guido@python.org>
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|
6068 static int |
|
28403
63ed85290413
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Guido van Rossum <guido@python.org>
parents:
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|
6069 update_slots_callback(PyTypeObject *type, void *data) |
|
20382
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6070 { |
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61467
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6071 slotdef **pp = (slotdef **)data; |
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6072 |
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6073 for (; *pp; pp++) |
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6074 update_one_slot(type, *pp); |
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6075 return 0; |
|
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6076 } |
|
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|
6077 |
|
22834
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parents:
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|
6078 /* Initialize the slotdefs table by adding interned string objects for the |
|
0908729e94e0
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|
6079 names and sorting the entries. */ |
|
20382
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|
6080 static void |
|
20423
4698a3ec5fa8
Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
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|
6081 init_slotdefs(void) |
|
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6082 { |
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61467
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6083 slotdef *p; |
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6084 static int initialized = 0; |
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6085 |
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6086 if (initialized) |
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6087 return; |
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6088 for (p = slotdefs; p->name; p++) { |
|
83059
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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|
6089 /* Slots must be ordered by their offset in the PyHeapTypeObject. */ |
|
9431a092b708
list slotdefs in offset order rather than sorting them (closes #17610)
Benjamin Peterson <benjamin@python.org>
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|
6090 assert(!p[1].name || p->offset <= p[1].offset); |
|
61467
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6091 p->name_strobj = PyUnicode_InternFromString(p->name); |
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6092 if (!p->name_strobj) |
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6093 Py_FatalError("Out of memory interning slotdef names"); |
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6094 } |
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6095 initialized = 1; |
|
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6096 } |
|
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|
6097 |
|
22834
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|
6098 /* Update the slots after assignment to a class (type) attribute. */ |
|
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|
6099 static int |
|
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|
6100 update_slot(PyTypeObject *type, PyObject *name) |
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6101 { |
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6102 slotdef *ptrs[MAX_EQUIV]; |
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6103 slotdef *p; |
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6104 slotdef **pp; |
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6105 int offset; |
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6106 |
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6107 /* Clear the VALID_VERSION flag of 'type' and all its |
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6108 subclasses. This could possibly be unified with the |
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6109 update_subclasses() recursion below, but carefully: |
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6110 they each have their own conditions on which to stop |
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6111 recursing into subclasses. */ |
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6112 PyType_Modified(type); |
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6113 |
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6114 init_slotdefs(); |
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6115 pp = ptrs; |
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6116 for (p = slotdefs; p->name; p++) { |
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6117 /* XXX assume name is interned! */ |
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6118 if (p->name_strobj == name) |
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6119 *pp++ = p; |
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6120 } |
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6121 *pp = NULL; |
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6122 for (pp = ptrs; *pp; pp++) { |
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6123 p = *pp; |
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6124 offset = p->offset; |
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6125 while (p > slotdefs && (p-1)->offset == offset) |
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6126 --p; |
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|
6127 *pp = p; |
|
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6128 } |
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6129 if (ptrs[0] == NULL) |
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6130 return 0; /* Not an attribute that affects any slots */ |
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6131 return update_subclasses(type, name, |
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|
6132 update_slots_callback, (void *)ptrs); |
|
20382
be08734b0afd
Another step in the right direction: when a new class's attribute
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6133 } |
|
be08734b0afd
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6134 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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parents:
22804
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|
6135 /* Store the proper functions in the slot dispatches at class (type) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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parents:
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|
6136 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:
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|
6137 dict. */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
6138 static void |
|
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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|
6139 fixup_slot_dispatchers(PyTypeObject *type) |
|
18933
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|
6140 { |
|
61467
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|
6141 slotdef *p; |
|
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6142 |
|
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|
6143 init_slotdefs(); |
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6144 for (p = slotdefs; p->name; ) |
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|
6145 p = update_one_slot(type, p); |
|
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|
6146 } |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
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|
6147 |
| 26421 | 6148 static void |
| 6149 update_all_slots(PyTypeObject* type) | |
| 6150 { | |
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6151 slotdef *p; |
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6152 |
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6153 init_slotdefs(); |
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6154 for (p = slotdefs; p->name; p++) { |
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6155 /* update_slot returns int but can't actually fail */ |
|
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|
6156 update_slot(type, p->name_strobj); |
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|
6157 } |
| 26421 | 6158 } |
| 6159 | |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6160 /* recurse_down_subclasses() and update_subclasses() are mutually |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6161 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>
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|
6162 but refraining from recursing into subclasses that define 'name'. */ |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6163 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6164 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6165 update_subclasses(PyTypeObject *type, PyObject *name, |
|
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|
6166 update_callback callback, void *data) |
|
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6167 { |
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6168 if (callback(type, data) < 0) |
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6169 return -1; |
|
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|
6170 return recurse_down_subclasses(type, name, callback, data); |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6171 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6172 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6173 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6174 recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
|
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|
6175 update_callback callback, void *data) |
|
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6176 { |
|
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|
6177 PyTypeObject *subclass; |
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|
6178 PyObject *ref, *subclasses, *dict; |
|
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6179 Py_ssize_t i, n; |
|
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6180 |
|
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6181 subclasses = type->tp_subclasses; |
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|
6182 if (subclasses == NULL) |
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6183 return 0; |
|
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|
6184 assert(PyList_Check(subclasses)); |
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|
6185 n = PyList_GET_SIZE(subclasses); |
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|
6186 for (i = 0; i < n; i++) { |
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|
6187 ref = PyList_GET_ITEM(subclasses, i); |
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|
6188 assert(PyWeakref_CheckRef(ref)); |
|
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|
6189 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
|
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|
6190 assert(subclass != NULL); |
|
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|
6191 if ((PyObject *)subclass == Py_None) |
|
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|
6192 continue; |
|
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|
6193 assert(PyType_Check(subclass)); |
|
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|
6194 /* Avoid recursing down into unaffected classes */ |
|
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|
6195 dict = subclass->tp_dict; |
|
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|
6196 if (dict != NULL && PyDict_Check(dict) && |
|
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|
6197 PyDict_GetItem(dict, name) != NULL) |
|
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|
6198 continue; |
|
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|
6199 if (update_subclasses(subclass, name, callback, data) < 0) |
|
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|
6200 return -1; |
|
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|
6201 } |
|
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|
6202 return 0; |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6203 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6204 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
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|
6205 /* 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
|
6206 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
|
6207 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
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|
6208 corresponding descriptors are added in the type's tp_dict dictionary |
|
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|
6209 under the appropriate name (like __repr__). Some function slots |
|
23830
ade1d56109a8
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parents:
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|
6210 cause more than one descriptor to be added (for example, the nb_add |
|
ade1d56109a8
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parents:
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|
6211 slot adds both __add__ and __radd__ descriptors) and some function |
|
ade1d56109a8
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|
6212 slots compete for the same descriptor (for example both sq_item and |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6213 mp_subscript generate a __getitem__ descriptor). |
|
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|
6214 |
|
68585
bf94b6a73fc8
#11565: Fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
67653
diff
changeset
|
6215 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>
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|
6216 slotdef entries are sorted by the offset of the slot in the |
|
28219
7c8e8807aed2
- The extended type structure used for heap types (new-style
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parents:
28016
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|
6217 PyHeapTypeObject, this gives us some control over disambiguating |
|
28403
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|
6218 between competing slots: the members of PyHeapTypeObject are listed |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6219 from most general to least general, so the most general slot is |
|
63ed85290413
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parents:
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|
6220 preferred. In particular, because as_mapping comes before as_sequence, |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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parents:
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diff
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|
6221 for a type that defines both mp_subscript and sq_item, mp_subscript |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6222 wins. |
|
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|
6223 |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6224 This only adds new descriptors and doesn't overwrite entries in |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6225 tp_dict that were previously defined. The descriptors contain a |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6226 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
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|
6227 are copied into a subtype's __dict__ and the subtype has a different |
|
ade1d56109a8
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|
6228 C function in its slot -- calling the method defined by the |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6229 descriptor will call the C function that was used to create it, |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6230 rather than the C function present in the slot when it is called. |
|
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|
6231 (This is important because a subtype may have a C function in the |
|
ade1d56109a8
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|
6232 slot that calls the method from the dictionary, and we want to avoid |
|
ade1d56109a8
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|
6233 infinite recursion here.) */ |
|
20586
9bd603d434f5
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|
6234 |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
6235 static int |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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|
6236 add_operators(PyTypeObject *type) |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6237 { |
|
61467
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|
6238 PyObject *dict = type->tp_dict; |
|
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|
6239 slotdef *p; |
|
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|
6240 PyObject *descr; |
|
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|
6241 void **ptr; |
|
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|
6242 |
|
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|
6243 init_slotdefs(); |
|
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|
6244 for (p = slotdefs; p->name; p++) { |
|
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|
6245 if (p->wrapper == NULL) |
|
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|
6246 continue; |
|
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|
6247 ptr = slotptr(type, p->offset); |
|
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|
6248 if (!ptr || !*ptr) |
|
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|
6249 continue; |
|
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|
6250 if (PyDict_GetItem(dict, p->name_strobj)) |
|
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|
6251 continue; |
|
79048
e9e6e5104936
Silence compiler warnings on Solaris 10 via explicit (void *) casts.
Trent Nelson <trent@trent.me>
parents:
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diff
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|
6252 if (*ptr == (void *)PyObject_HashNotImplemented) { |
|
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|
6253 /* Classes may prevent the inheritance of the tp_hash |
|
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6254 slot by storing PyObject_HashNotImplemented in it. Make it |
|
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|
6255 visible as a None value for the __hash__ attribute. */ |
|
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6256 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0) |
|
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|
6257 return -1; |
|
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6258 } |
|
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6259 else { |
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6260 descr = PyDescr_NewWrapper(type, p, *ptr); |
|
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|
6261 if (descr == NULL) |
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6262 return -1; |
|
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6263 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0) |
|
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6264 return -1; |
|
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|
6265 Py_DECREF(descr); |
|
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6266 } |
|
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6267 } |
|
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6268 if (type->tp_new != NULL) { |
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|
6269 if (add_tp_new_wrapper(type) < 0) |
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|
6270 return -1; |
|
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6271 } |
|
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|
6272 return 0; |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
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|
6273 } |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6274 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6275 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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diff
changeset
|
6276 /* Cooperative 'super' */ |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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|
6277 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
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|
6278 typedef struct { |
|
61467
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|
6279 PyObject_HEAD |
|
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|
6280 PyTypeObject *type; |
|
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|
6281 PyObject *obj; |
|
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|
6282 PyTypeObject *obj_type; |
|
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|
6283 } superobject; |
|
b3c92f013869
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|
6284 |
|
20012
3faabf54b8b8
Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6285 static PyMemberDef super_members[] = { |
|
61467
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|
6286 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY, |
|
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|
6287 "the class invoking super()"}, |
|
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|
6288 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY, |
|
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|
6289 "the instance invoking super(); may be None"}, |
|
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|
6290 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY, |
|
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|
6291 "the type of the instance invoking super(); may be None"}, |
|
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|
6292 {0} |
|
19630
ae056f114974
Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6293 }; |
|
ae056f114974
Give 'super' a decent repr(), and readonly attributes to access the
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parents:
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diff
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|
6294 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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diff
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|
6295 static void |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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|
6296 super_dealloc(PyObject *self) |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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|
6297 { |
|
61467
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6298 superobject *su = (superobject *)self; |
|
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|
6299 |
|
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|
6300 _PyObject_GC_UNTRACK(self); |
|
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|
6301 Py_XDECREF(su->obj); |
|
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|
6302 Py_XDECREF(su->type); |
|
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|
6303 Py_XDECREF(su->obj_type); |
|
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|
6304 Py_TYPE(self)->tp_free(self); |
|
19469
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|
6305 } |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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diff
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|
6306 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6307 static PyObject * |
|
19630
ae056f114974
Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6308 super_repr(PyObject *self) |
|
ae056f114974
Give 'super' a decent repr(), and readonly attributes to access the
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|
6309 { |
|
61467
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|
6310 superobject *su = (superobject *)self; |
|
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|
6311 |
|
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|
6312 if (su->obj_type) |
|
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|
6313 return PyUnicode_FromFormat( |
|
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|
6314 "<super: <class '%s'>, <%s object>>", |
|
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|
6315 su->type ? su->type->tp_name : "NULL", |
|
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|
6316 su->obj_type->tp_name); |
|
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|
6317 else |
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|
6318 return PyUnicode_FromFormat( |
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6319 "<super: <class '%s'>, NULL>", |
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|
6320 su->type ? su->type->tp_name : "NULL"); |
|
19630
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|
6321 } |
|
ae056f114974
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|
6322 |
|
ae056f114974
Give 'super' a decent repr(), and readonly attributes to access the
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parents:
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|
6323 static PyObject * |
|
19469
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parents:
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|
6324 super_getattro(PyObject *self, PyObject *name) |
|
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|
6325 { |
|
61467
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|
6326 superobject *su = (superobject *)self; |
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|
6327 int skip = su->obj_type == NULL; |
|
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|
6328 |
|
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|
6329 if (!skip) { |
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|
6330 /* We want __class__ to return the class of the super object |
|
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|
6331 (i.e. super, or a subclass), not the class of su->obj. */ |
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|
6332 skip = (PyUnicode_Check(name) && |
| 72475 | 6333 PyUnicode_GET_LENGTH(name) == 9 && |
|
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|
6334 PyUnicode_CompareWithASCIIString(name, "__class__") == 0); |
|
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6335 } |
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|
6336 |
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|
6337 if (!skip) { |
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|
6338 PyObject *mro, *res, *tmp, *dict; |
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|
6339 PyTypeObject *starttype; |
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|
6340 descrgetfunc f; |
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|
6341 Py_ssize_t i, n; |
|
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6342 |
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6343 starttype = su->obj_type; |
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6344 mro = starttype->tp_mro; |
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6345 |
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|
6346 if (mro == NULL) |
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6347 n = 0; |
|
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6348 else { |
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6349 assert(PyTuple_Check(mro)); |
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6350 n = PyTuple_GET_SIZE(mro); |
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6351 } |
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6352 for (i = 0; i < n; i++) { |
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6353 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i)) |
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6354 break; |
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6355 } |
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6356 i++; |
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6357 res = NULL; |
|
75497
21e245ed3747
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|
6358 /* keep a strong reference to mro because starttype->tp_mro can be |
|
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|
6359 replaced during PyDict_GetItem(dict, name) */ |
|
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|
6360 Py_INCREF(mro); |
|
61467
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6361 for (; i < n; i++) { |
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6362 tmp = PyTuple_GET_ITEM(mro, i); |
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6363 if (PyType_Check(tmp)) |
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6364 dict = ((PyTypeObject *)tmp)->tp_dict; |
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6365 else |
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6366 continue; |
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6367 res = PyDict_GetItem(dict, name); |
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6368 if (res != NULL) { |
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6369 Py_INCREF(res); |
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6370 f = Py_TYPE(res)->tp_descr_get; |
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6371 if (f != NULL) { |
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6372 tmp = f(res, |
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6373 /* Only pass 'obj' param if |
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6374 this is instance-mode super |
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6375 (See SF ID #743627) |
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6376 */ |
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6377 (su->obj == (PyObject *) |
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6378 su->obj_type |
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6379 ? (PyObject *)NULL |
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6380 : su->obj), |
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6381 (PyObject *)starttype); |
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6382 Py_DECREF(res); |
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6383 res = tmp; |
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6384 } |
|
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|
6385 Py_DECREF(mro); |
|
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6386 return res; |
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6387 } |
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6388 } |
|
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|
6389 Py_DECREF(mro); |
|
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6390 } |
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6391 return PyObject_GenericGetAttr(self, name); |
|
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Guido van Rossum <guido@python.org>
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|
6392 } |
|
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Guido van Rossum <guido@python.org>
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|
6393 |
|
27831
6b5696541ba4
Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
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|
6394 static PyTypeObject * |
|
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|
6395 supercheck(PyTypeObject *type, PyObject *obj) |
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6396 { |
|
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6397 /* Check that a super() call makes sense. Return a type object. |
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6398 |
|
73949
021e5bb297d1
Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
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|
6399 obj can be a class, or an instance of one: |
|
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6400 |
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6401 - If it is a class, it must be a subclass of 'type'. This case is |
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6402 used for class methods; the return value is obj. |
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6403 |
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6404 - If it is an instance, it must be an instance of 'type'. This is |
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6405 the normal case; the return value is obj.__class__. |
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6406 |
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6407 But... when obj is an instance, we want to allow for the case where |
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6408 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is! |
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6409 This will allow using super() with a proxy for obj. |
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6410 */ |
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6411 |
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6412 /* Check for first bullet above (special case) */ |
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6413 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) { |
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6414 Py_INCREF(obj); |
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6415 return (PyTypeObject *)obj; |
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6416 } |
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6417 |
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6418 /* Normal case */ |
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6419 if (PyType_IsSubtype(Py_TYPE(obj), type)) { |
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6420 Py_INCREF(Py_TYPE(obj)); |
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6421 return Py_TYPE(obj); |
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6422 } |
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6423 else { |
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6424 /* Try the slow way */ |
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6425 PyObject *class_attr; |
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6426 |
|
72913
c060261a65b8
Use GetAttrId directly. Proposed by Amaury.
Martin v. Löwis <martin@v.loewis.de>
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6427 class_attr = _PyObject_GetAttrId(obj, &PyId___class__); |
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6428 if (class_attr != NULL && |
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6429 PyType_Check(class_attr) && |
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6430 (PyTypeObject *)class_attr != Py_TYPE(obj)) |
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6431 { |
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6432 int ok = PyType_IsSubtype( |
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6433 (PyTypeObject *)class_attr, type); |
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6434 if (ok) |
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6435 return (PyTypeObject *)class_attr; |
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6436 } |
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6437 |
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6438 if (class_attr == NULL) |
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6439 PyErr_Clear(); |
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6440 else |
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6441 Py_DECREF(class_attr); |
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6442 } |
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6443 |
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6444 PyErr_SetString(PyExc_TypeError, |
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6445 "super(type, obj): " |
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6446 "obj must be an instance or subtype of type"); |
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6447 return NULL; |
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6448 } |
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6449 |
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6450 static PyObject * |
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6451 super_descr_get(PyObject *self, PyObject *obj, PyObject *type) |
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6452 { |
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6453 superobject *su = (superobject *)self; |
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6454 superobject *newobj; |
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6455 |
|
f197407bdba2
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|
6456 if (obj == NULL || obj == Py_None || su->obj != NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
6457 /* Not binding to an object, or already bound */ |
|
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|
6458 Py_INCREF(self); |
|
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|
6459 return self; |
|
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|
6460 } |
|
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|
6461 if (Py_TYPE(su) != &PySuper_Type) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
6462 /* If su is an instance of a (strict) subclass of super, |
|
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|
6463 call its type */ |
|
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|
6464 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su), |
|
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|
6465 su->type, obj, NULL); |
|
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|
6466 else { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
6467 /* Inline the common case */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
6468 PyTypeObject *obj_type = supercheck(su->type, obj); |
|
f197407bdba2
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|
6469 if (obj_type == NULL) |
|
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|
6470 return NULL; |
|
f197407bdba2
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|
6471 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type, |
|
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|
6472 NULL, NULL); |
|
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|
6473 if (newobj == NULL) |
|
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|
6474 return NULL; |
|
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|
6475 Py_INCREF(su->type); |
|
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|
6476 Py_INCREF(obj); |
|
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|
6477 newobj->type = su->type; |
|
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|
6478 newobj->obj = obj; |
|
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|
6479 newobj->obj_type = obj_type; |
|
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|
6480 return (PyObject *)newobj; |
|
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|
6481 } |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6482 } |
|
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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|
6483 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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|
6484 static int |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6485 super_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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|
6486 { |
|
61467
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|
6487 superobject *su = (superobject *)self; |
|
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|
6488 PyTypeObject *type = NULL; |
|
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|
6489 PyObject *obj = NULL; |
|
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|
6490 PyTypeObject *obj_type = NULL; |
|
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|
6491 |
|
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|
6492 if (!_PyArg_NoKeywords("super", kwds)) |
|
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|
6493 return -1; |
|
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|
6494 if (!PyArg_ParseTuple(args, "|O!O:super", &PyType_Type, &type, &obj)) |
|
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|
6495 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
6496 |
|
f197407bdba2
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|
6497 if (type == NULL) { |
|
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|
6498 /* Call super(), without args -- fill in from __class__ |
|
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|
6499 and first local variable on the stack. */ |
|
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|
6500 PyFrameObject *f = PyThreadState_GET()->frame; |
|
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|
6501 PyCodeObject *co = f->f_code; |
|
67347
3bf4d9f1660a
Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
6502 Py_ssize_t i, n; |
|
61467
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|
6503 if (co == NULL) { |
|
78832
e2e4a0a49d2e
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Benjamin Peterson <benjamin@python.org>
parents:
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|
6504 PyErr_SetString(PyExc_RuntimeError, |
|
61467
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|
6505 "super(): no code object"); |
|
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|
6506 return -1; |
|
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|
6507 } |
|
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|
6508 if (co->co_argcount == 0) { |
|
78832
e2e4a0a49d2e
Make super() internal errors RuntimeError instead of SystemError (closes #15839)
Benjamin Peterson <benjamin@python.org>
parents:
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changeset
|
6509 PyErr_SetString(PyExc_RuntimeError, |
|
61467
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|
6510 "super(): no arguments"); |
|
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|
6511 return -1; |
|
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|
6512 } |
|
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changeset
|
6513 obj = f->f_localsplus[0]; |
|
83772
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6514 if (obj == NULL && co->co_cell2arg) { |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6515 /* The first argument might be a cell. */ |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6516 n = PyTuple_GET_SIZE(co->co_cellvars); |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6517 for (i = 0; i < n; i++) { |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6518 if (co->co_cell2arg[i] == 0) { |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6519 PyObject *cell = f->f_localsplus[co->co_nlocals + i]; |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
6520 assert(PyCell_Check(cell)); |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6521 obj = PyCell_GET(cell); |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
6522 break; |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6523 } |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6524 } |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83612
diff
changeset
|
6525 } |
|
61467
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|
6526 if (obj == NULL) { |
|
78832
e2e4a0a49d2e
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Benjamin Peterson <benjamin@python.org>
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changeset
|
6527 PyErr_SetString(PyExc_RuntimeError, |
|
61467
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|
6528 "super(): arg[0] deleted"); |
|
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|
6529 return -1; |
|
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|
6530 } |
|
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|
6531 if (co->co_freevars == NULL) |
|
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|
6532 n = 0; |
|
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|
6533 else { |
|
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|
6534 assert(PyTuple_Check(co->co_freevars)); |
|
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|
6535 n = PyTuple_GET_SIZE(co->co_freevars); |
|
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|
6536 } |
|
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|
6537 for (i = 0; i < n; i++) { |
|
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|
6538 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i); |
|
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|
6539 assert(PyUnicode_Check(name)); |
|
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|
6540 if (!PyUnicode_CompareWithASCIIString(name, |
|
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|
6541 "__class__")) { |
|
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|
6542 Py_ssize_t index = co->co_nlocals + |
|
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|
6543 PyTuple_GET_SIZE(co->co_cellvars) + i; |
|
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|
6544 PyObject *cell = f->f_localsplus[index]; |
|
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|
6545 if (cell == NULL || !PyCell_Check(cell)) { |
|
78832
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Benjamin Peterson <benjamin@python.org>
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|
6546 PyErr_SetString(PyExc_RuntimeError, |
|
61467
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|
6547 "super(): bad __class__ cell"); |
|
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|
6548 return -1; |
|
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|
6549 } |
|
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|
6550 type = (PyTypeObject *) PyCell_GET(cell); |
|
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|
6551 if (type == NULL) { |
|
78832
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Benjamin Peterson <benjamin@python.org>
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|
6552 PyErr_SetString(PyExc_RuntimeError, |
|
61467
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|
6553 "super(): empty __class__ cell"); |
|
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|
6554 return -1; |
|
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|
6555 } |
|
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|
6556 if (!PyType_Check(type)) { |
|
78832
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Benjamin Peterson <benjamin@python.org>
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|
6557 PyErr_Format(PyExc_RuntimeError, |
|
61467
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|
6558 "super(): __class__ is not a type (%s)", |
|
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|
6559 Py_TYPE(type)->tp_name); |
|
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|
6560 return -1; |
|
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|
6561 } |
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6562 break; |
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6563 } |
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6564 } |
|
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|
6565 if (type == NULL) { |
|
78832
e2e4a0a49d2e
Make super() internal errors RuntimeError instead of SystemError (closes #15839)
Benjamin Peterson <benjamin@python.org>
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|
6566 PyErr_SetString(PyExc_RuntimeError, |
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6567 "super(): __class__ cell not found"); |
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6568 return -1; |
|
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6569 } |
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6570 } |
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6571 |
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6572 if (obj == Py_None) |
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6573 obj = NULL; |
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6574 if (obj != NULL) { |
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6575 obj_type = supercheck(type, obj); |
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6576 if (obj_type == NULL) |
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6577 return -1; |
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6578 Py_INCREF(obj); |
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6579 } |
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6580 Py_INCREF(type); |
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6581 su->type = type; |
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6582 su->obj = obj; |
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6583 su->obj_type = obj_type; |
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6584 return 0; |
|
19469
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Guido van Rossum <guido@python.org>
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6585 } |
|
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6586 |
|
23832
ed1ba37a46b7
Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
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6587 PyDoc_STRVAR(super_doc, |
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6588 "super() -> same as super(__class__, <first argument>)\n" |
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6589 "super(type) -> unbound super object\n" |
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6590 "super(type, obj) -> bound super object; requires isinstance(obj, type)\n" |
|
19551
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Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
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6591 "super(type, type2) -> bound super object; requires issubclass(type2, type)\n" |
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6592 "Typical use to call a cooperative superclass method:\n" |
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6593 "class C(B):\n" |
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6594 " def meth(self, arg):\n" |
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6595 " super().meth(arg)\n" |
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6596 "This works for class methods too:\n" |
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6597 "class C(B):\n" |
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6598 " @classmethod\n" |
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6599 " def cmeth(cls, arg):\n" |
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6600 " super().cmeth(arg)\n"); |
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6601 |
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20220
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Add Garbage Collection support to new-style classes (not yet to their
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6602 static int |
|
0b99174d6b17
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6603 super_traverse(PyObject *self, visitproc visit, void *arg) |
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6604 { |
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6605 superobject *su = (superobject *)self; |
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6606 |
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6607 Py_VISIT(su->obj); |
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6608 Py_VISIT(su->type); |
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6609 Py_VISIT(su->obj_type); |
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6610 |
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6611 return 0; |
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6612 } |
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6613 |
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6614 PyTypeObject PySuper_Type = { |
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6615 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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6616 "super", /* tp_name */ |
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6617 sizeof(superobject), /* tp_basicsize */ |
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6618 0, /* tp_itemsize */ |
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6619 /* methods */ |
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6620 super_dealloc, /* tp_dealloc */ |
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6621 0, /* tp_print */ |
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6622 0, /* tp_getattr */ |
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6623 0, /* tp_setattr */ |
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6624 0, /* tp_reserved */ |
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6625 super_repr, /* tp_repr */ |
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6626 0, /* tp_as_number */ |
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6627 0, /* tp_as_sequence */ |
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6628 0, /* tp_as_mapping */ |
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6629 0, /* tp_hash */ |
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6630 0, /* tp_call */ |
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6631 0, /* tp_str */ |
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6632 super_getattro, /* tp_getattro */ |
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6633 0, /* tp_setattro */ |
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6634 0, /* tp_as_buffer */ |
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6635 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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6636 Py_TPFLAGS_BASETYPE, /* tp_flags */ |
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6637 super_doc, /* tp_doc */ |
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6638 super_traverse, /* tp_traverse */ |
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6639 0, /* tp_clear */ |
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6640 0, /* tp_richcompare */ |
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6641 0, /* tp_weaklistoffset */ |
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6642 0, /* tp_iter */ |
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6643 0, /* tp_iternext */ |
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6644 0, /* tp_methods */ |
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6645 super_members, /* tp_members */ |
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6646 0, /* tp_getset */ |
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6647 0, /* tp_base */ |
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6648 0, /* tp_dict */ |
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6649 super_descr_get, /* tp_descr_get */ |
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6650 0, /* tp_descr_set */ |
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6651 0, /* tp_dictoffset */ |
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6652 super_init, /* tp_init */ |
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6653 PyType_GenericAlloc, /* tp_alloc */ |
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6654 PyType_GenericNew, /* tp_new */ |
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6655 PyObject_GC_Del, /* tp_free */ |
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6656 }; |