Mercurial > cpython-lru_cache-weakref
annotate Objects/typeobject.c @ 80661:94de77bd0b4b 2.7
Issue #16194: document imp.load_dynamic problems
when read several extension modules from the same binary object file.
| author | Andrew Svetlov <andrew.svetlov@gmail.com> |
|---|---|
| date | Thu, 29 Nov 2012 19:51:28 +0200 |
| parents | a1671c795934 |
| children | bfe38710d4e6 |
| rev | line source |
|---|---|
| 6 | 1 /* Type object implementation */ |
| 2 | |
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3 #include "Python.h" |
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4 #include "structmember.h" |
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6 #include <ctype.h> |
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7 |
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8 |
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9 /* Support type attribute cache */ |
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10 |
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11 /* The cache can keep references to the names alive for longer than |
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12 they normally would. This is why the maximum size is limited to |
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13 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large |
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14 strings are used as attribute names. */ |
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15 #define MCACHE_MAX_ATTR_SIZE 100 |
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16 #define MCACHE_SIZE_EXP 10 |
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17 #define MCACHE_HASH(version, name_hash) \ |
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18 (((unsigned int)(version) * (unsigned int)(name_hash)) \ |
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19 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP)) |
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20 #define MCACHE_HASH_METHOD(type, name) \ |
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21 MCACHE_HASH((type)->tp_version_tag, \ |
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22 ((PyStringObject *)(name))->ob_shash) |
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23 #define MCACHE_CACHEABLE_NAME(name) \ |
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24 PyString_CheckExact(name) && \ |
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25 PyString_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE |
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26 |
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27 struct method_cache_entry { |
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28 unsigned int version; |
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29 PyObject *name; /* reference to exactly a str or None */ |
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30 PyObject *value; /* borrowed */ |
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31 }; |
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32 |
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33 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP]; |
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34 static unsigned int next_version_tag = 0; |
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35 |
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36 unsigned int |
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37 PyType_ClearCache(void) |
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38 { |
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39 Py_ssize_t i; |
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40 unsigned int cur_version_tag = next_version_tag - 1; |
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41 |
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42 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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43 method_cache[i].version = 0; |
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44 Py_CLEAR(method_cache[i].name); |
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45 method_cache[i].value = NULL; |
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46 } |
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47 next_version_tag = 0; |
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48 /* mark all version tags as invalid */ |
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49 PyType_Modified(&PyBaseObject_Type); |
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50 return cur_version_tag; |
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51 } |
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52 |
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53 void |
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54 PyType_Modified(PyTypeObject *type) |
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55 { |
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56 /* Invalidate any cached data for the specified type and all |
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57 subclasses. This function is called after the base |
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58 classes, mro, or attributes of the type are altered. |
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59 |
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60 Invariants: |
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62 - Py_TPFLAGS_VALID_VERSION_TAG is never set if |
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63 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type |
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64 objects coming from non-recompiled extension modules) |
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65 |
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66 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type, |
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67 it must first be set on all super types. |
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68 |
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69 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a |
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70 type (so it must first clear it on all subclasses). The |
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71 tp_version_tag value is meaningless unless this flag is set. |
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72 We don't assign new version tags eagerly, but only as |
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73 needed. |
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74 */ |
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75 PyObject *raw, *ref; |
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76 Py_ssize_t i, n; |
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77 |
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78 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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79 return; |
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80 |
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81 raw = type->tp_subclasses; |
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82 if (raw != NULL) { |
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83 n = PyList_GET_SIZE(raw); |
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84 for (i = 0; i < n; i++) { |
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85 ref = PyList_GET_ITEM(raw, i); |
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86 ref = PyWeakref_GET_OBJECT(ref); |
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87 if (ref != Py_None) { |
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88 PyType_Modified((PyTypeObject *)ref); |
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89 } |
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90 } |
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91 } |
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92 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG; |
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93 } |
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94 |
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95 static void |
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96 type_mro_modified(PyTypeObject *type, PyObject *bases) { |
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97 /* |
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98 Check that all base classes or elements of the mro of type are |
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99 able to be cached. This function is called after the base |
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100 classes or mro of the type are altered. |
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101 |
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102 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type |
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103 inherits from an old-style class, either directly or if it |
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104 appears in the MRO of a new-style class. No support either for |
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105 custom MROs that include types that are not officially super |
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106 types. |
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107 |
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108 Called from mro_internal, which will subsequently be called on |
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109 each subclass when their mro is recursively updated. |
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110 */ |
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111 Py_ssize_t i, n; |
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112 int clear = 0; |
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114 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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115 return; |
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117 n = PyTuple_GET_SIZE(bases); |
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118 for (i = 0; i < n; i++) { |
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119 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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120 PyTypeObject *cls; |
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121 |
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122 if (!PyType_Check(b) ) { |
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123 clear = 1; |
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124 break; |
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125 } |
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126 |
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127 cls = (PyTypeObject *)b; |
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128 |
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129 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) || |
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130 !PyType_IsSubtype(type, cls)) { |
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131 clear = 1; |
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132 break; |
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133 } |
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134 } |
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135 |
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136 if (clear) |
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137 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG| |
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138 Py_TPFLAGS_VALID_VERSION_TAG); |
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139 } |
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140 |
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141 static int |
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142 assign_version_tag(PyTypeObject *type) |
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143 { |
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144 /* Ensure that the tp_version_tag is valid and set |
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145 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this |
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146 must first be done on all super classes. Return 0 if this |
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147 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG. |
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148 */ |
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149 Py_ssize_t i, n; |
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150 PyObject *bases; |
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151 |
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152 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
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153 return 1; |
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154 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG)) |
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155 return 0; |
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156 if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) |
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157 return 0; |
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158 |
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159 type->tp_version_tag = next_version_tag++; |
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160 /* for stress-testing: next_version_tag &= 0xFF; */ |
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161 |
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162 if (type->tp_version_tag == 0) { |
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163 /* wrap-around or just starting Python - clear the whole |
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164 cache by filling names with references to Py_None. |
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165 Values are also set to NULL for added protection, as they |
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166 are borrowed reference */ |
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167 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) { |
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168 method_cache[i].value = NULL; |
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169 Py_XDECREF(method_cache[i].name); |
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170 method_cache[i].name = Py_None; |
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171 Py_INCREF(Py_None); |
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172 } |
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173 /* mark all version tags as invalid */ |
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174 PyType_Modified(&PyBaseObject_Type); |
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175 return 1; |
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176 } |
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177 bases = type->tp_bases; |
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178 n = PyTuple_GET_SIZE(bases); |
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179 for (i = 0; i < n; i++) { |
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180 PyObject *b = PyTuple_GET_ITEM(bases, i); |
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181 assert(PyType_Check(b)); |
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182 if (!assign_version_tag((PyTypeObject *)b)) |
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183 return 0; |
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184 } |
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185 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG; |
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186 return 1; |
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187 } |
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188 |
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189 |
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190 static PyMemberDef type_members[] = { |
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191 {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY}, |
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192 {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY}, |
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193 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY}, |
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194 {"__weakrefoffset__", T_LONG, |
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195 offsetof(PyTypeObject, tp_weaklistoffset), READONLY}, |
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196 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY}, |
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197 {"__dictoffset__", T_LONG, |
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198 offsetof(PyTypeObject, tp_dictoffset), READONLY}, |
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199 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY}, |
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200 {0} |
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201 }; |
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203 static PyObject * |
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204 type_name(PyTypeObject *type, void *context) |
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205 { |
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206 const char *s; |
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207 |
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208 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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209 PyHeapTypeObject* et = (PyHeapTypeObject*)type; |
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210 |
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211 Py_INCREF(et->ht_name); |
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212 return et->ht_name; |
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213 } |
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214 else { |
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215 s = strrchr(type->tp_name, '.'); |
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216 if (s == NULL) |
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217 s = type->tp_name; |
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218 else |
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219 s++; |
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220 return PyString_FromString(s); |
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221 } |
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222 } |
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223 |
| 26421 | 224 static int |
| 225 type_set_name(PyTypeObject *type, PyObject *value, void *context) | |
| 226 { | |
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227 PyHeapTypeObject* et; |
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228 |
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229 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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230 PyErr_Format(PyExc_TypeError, |
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231 "can't set %s.__name__", type->tp_name); |
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232 return -1; |
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233 } |
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234 if (!value) { |
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235 PyErr_Format(PyExc_TypeError, |
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236 "can't delete %s.__name__", type->tp_name); |
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237 return -1; |
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238 } |
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239 if (!PyString_Check(value)) { |
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240 PyErr_Format(PyExc_TypeError, |
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241 "can only assign string to %s.__name__, not '%s'", |
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242 type->tp_name, Py_TYPE(value)->tp_name); |
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243 return -1; |
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244 } |
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245 if (strlen(PyString_AS_STRING(value)) |
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246 != (size_t)PyString_GET_SIZE(value)) { |
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247 PyErr_Format(PyExc_ValueError, |
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248 "__name__ must not contain null bytes"); |
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249 return -1; |
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250 } |
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251 |
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252 et = (PyHeapTypeObject*)type; |
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253 |
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254 Py_INCREF(value); |
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255 |
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256 Py_DECREF(et->ht_name); |
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257 et->ht_name = value; |
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258 |
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259 type->tp_name = PyString_AS_STRING(value); |
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260 |
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261 return 0; |
| 26421 | 262 } |
| 263 | |
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264 static PyObject * |
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265 type_module(PyTypeObject *type, void *context) |
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266 { |
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267 PyObject *mod; |
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268 char *s; |
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269 |
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270 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) { |
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271 mod = PyDict_GetItemString(type->tp_dict, "__module__"); |
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272 if (!mod) { |
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273 PyErr_Format(PyExc_AttributeError, "__module__"); |
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274 return 0; |
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275 } |
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276 Py_XINCREF(mod); |
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277 return mod; |
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278 } |
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279 else { |
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280 s = strrchr(type->tp_name, '.'); |
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281 if (s != NULL) |
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282 return PyString_FromStringAndSize( |
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283 type->tp_name, (Py_ssize_t)(s - type->tp_name)); |
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284 return PyString_FromString("__builtin__"); |
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285 } |
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286 } |
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287 |
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288 static int |
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289 type_set_module(PyTypeObject *type, PyObject *value, void *context) |
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290 { |
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291 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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292 PyErr_Format(PyExc_TypeError, |
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293 "can't set %s.__module__", type->tp_name); |
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294 return -1; |
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295 } |
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296 if (!value) { |
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297 PyErr_Format(PyExc_TypeError, |
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298 "can't delete %s.__module__", type->tp_name); |
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299 return -1; |
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300 } |
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301 |
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302 PyType_Modified(type); |
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303 |
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304 return PyDict_SetItemString(type->tp_dict, "__module__", value); |
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305 } |
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306 |
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307 static PyObject * |
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308 type_abstractmethods(PyTypeObject *type, void *context) |
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309 { |
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310 PyObject *mod = NULL; |
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311 /* type itself has an __abstractmethods__ descriptor (this). Don't return |
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312 that. */ |
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313 if (type != &PyType_Type) |
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314 mod = PyDict_GetItemString(type->tp_dict, "__abstractmethods__"); |
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315 if (!mod) { |
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316 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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317 return NULL; |
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318 } |
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319 Py_XINCREF(mod); |
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320 return mod; |
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321 } |
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322 |
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323 static int |
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324 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context) |
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325 { |
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326 /* __abstractmethods__ should only be set once on a type, in |
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327 abc.ABCMeta.__new__, so this function doesn't do anything |
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328 special to update subclasses. |
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329 */ |
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330 int abstract, res; |
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331 if (value != NULL) { |
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332 abstract = PyObject_IsTrue(value); |
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333 if (abstract < 0) |
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334 return -1; |
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335 res = PyDict_SetItemString(type->tp_dict, "__abstractmethods__", value); |
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336 } |
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337 else { |
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338 abstract = 0; |
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339 res = PyDict_DelItemString(type->tp_dict, "__abstractmethods__"); |
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340 if (res && PyErr_ExceptionMatches(PyExc_KeyError)) { |
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341 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__"); |
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342 return -1; |
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343 } |
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344 } |
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345 if (res == 0) { |
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346 PyType_Modified(type); |
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347 if (abstract) |
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348 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT; |
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349 else |
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350 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT; |
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351 } |
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352 return res; |
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353 } |
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354 |
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355 static PyObject * |
| 26421 | 356 type_get_bases(PyTypeObject *type, void *context) |
| 357 { | |
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358 Py_INCREF(type->tp_bases); |
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359 return type->tp_bases; |
| 26421 | 360 } |
| 361 | |
| 362 static PyTypeObject *best_base(PyObject *); | |
| 363 static int mro_internal(PyTypeObject *); | |
| 364 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *); | |
| 365 static int add_subclass(PyTypeObject*, PyTypeObject*); | |
| 366 static void remove_subclass(PyTypeObject *, PyTypeObject *); | |
| 367 static void update_all_slots(PyTypeObject *); | |
| 368 | |
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369 typedef int (*update_callback)(PyTypeObject *, void *); |
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370 static int update_subclasses(PyTypeObject *type, PyObject *name, |
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371 update_callback callback, void *data); |
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372 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
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373 update_callback callback, void *data); |
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374 |
| 26421 | 375 static int |
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376 mro_subclasses(PyTypeObject *type, PyObject* temp) |
| 26421 | 377 { |
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378 PyTypeObject *subclass; |
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379 PyObject *ref, *subclasses, *old_mro; |
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380 Py_ssize_t i, n; |
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381 |
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382 subclasses = type->tp_subclasses; |
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383 if (subclasses == NULL) |
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384 return 0; |
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385 assert(PyList_Check(subclasses)); |
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386 n = PyList_GET_SIZE(subclasses); |
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387 for (i = 0; i < n; i++) { |
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388 ref = PyList_GET_ITEM(subclasses, i); |
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389 assert(PyWeakref_CheckRef(ref)); |
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390 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
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391 assert(subclass != NULL); |
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392 if ((PyObject *)subclass == Py_None) |
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393 continue; |
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394 assert(PyType_Check(subclass)); |
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395 old_mro = subclass->tp_mro; |
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396 if (mro_internal(subclass) < 0) { |
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397 subclass->tp_mro = old_mro; |
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398 return -1; |
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399 } |
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400 else { |
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401 PyObject* tuple; |
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402 tuple = PyTuple_Pack(2, subclass, old_mro); |
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403 Py_DECREF(old_mro); |
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404 if (!tuple) |
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405 return -1; |
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406 if (PyList_Append(temp, tuple) < 0) |
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407 return -1; |
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408 Py_DECREF(tuple); |
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409 } |
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410 if (mro_subclasses(subclass, temp) < 0) |
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411 return -1; |
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412 } |
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413 return 0; |
| 26421 | 414 } |
| 415 | |
| 416 static int | |
| 417 type_set_bases(PyTypeObject *type, PyObject *value, void *context) | |
| 418 { | |
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419 Py_ssize_t i; |
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420 int r = 0; |
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421 PyObject *ob, *temp; |
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422 PyTypeObject *new_base, *old_base; |
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423 PyObject *old_bases, *old_mro; |
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424 |
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425 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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426 PyErr_Format(PyExc_TypeError, |
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427 "can't set %s.__bases__", type->tp_name); |
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428 return -1; |
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429 } |
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430 if (!value) { |
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431 PyErr_Format(PyExc_TypeError, |
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432 "can't delete %s.__bases__", type->tp_name); |
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433 return -1; |
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434 } |
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435 if (!PyTuple_Check(value)) { |
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436 PyErr_Format(PyExc_TypeError, |
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437 "can only assign tuple to %s.__bases__, not %s", |
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438 type->tp_name, Py_TYPE(value)->tp_name); |
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439 return -1; |
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440 } |
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441 if (PyTuple_GET_SIZE(value) == 0) { |
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442 PyErr_Format(PyExc_TypeError, |
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443 "can only assign non-empty tuple to %s.__bases__, not ()", |
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444 type->tp_name); |
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445 return -1; |
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446 } |
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447 for (i = 0; i < PyTuple_GET_SIZE(value); i++) { |
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448 ob = PyTuple_GET_ITEM(value, i); |
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449 if (!PyClass_Check(ob) && !PyType_Check(ob)) { |
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450 PyErr_Format( |
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451 PyExc_TypeError, |
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452 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'", |
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453 type->tp_name, Py_TYPE(ob)->tp_name); |
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454 return -1; |
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455 } |
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456 if (PyType_Check(ob)) { |
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457 if (PyType_IsSubtype((PyTypeObject*)ob, type)) { |
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458 PyErr_SetString(PyExc_TypeError, |
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459 "a __bases__ item causes an inheritance cycle"); |
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460 return -1; |
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461 } |
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462 } |
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463 } |
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464 |
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465 new_base = best_base(value); |
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466 |
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467 if (!new_base) { |
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468 return -1; |
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469 } |
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470 |
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471 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__")) |
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472 return -1; |
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473 |
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474 Py_INCREF(new_base); |
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475 Py_INCREF(value); |
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476 |
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477 old_bases = type->tp_bases; |
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478 old_base = type->tp_base; |
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479 old_mro = type->tp_mro; |
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480 |
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481 type->tp_bases = value; |
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482 type->tp_base = new_base; |
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483 |
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484 if (mro_internal(type) < 0) { |
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485 goto bail; |
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486 } |
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487 |
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488 temp = PyList_New(0); |
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489 if (!temp) |
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490 goto bail; |
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491 |
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492 r = mro_subclasses(type, temp); |
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493 |
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494 if (r < 0) { |
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495 for (i = 0; i < PyList_Size(temp); i++) { |
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496 PyTypeObject* cls; |
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497 PyObject* mro; |
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498 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i), |
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499 "", 2, 2, &cls, &mro); |
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500 Py_INCREF(mro); |
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501 ob = cls->tp_mro; |
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502 cls->tp_mro = mro; |
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503 Py_DECREF(ob); |
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504 } |
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505 Py_DECREF(temp); |
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506 goto bail; |
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507 } |
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508 |
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509 Py_DECREF(temp); |
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510 |
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511 /* any base that was in __bases__ but now isn't, we |
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512 need to remove |type| from its tp_subclasses. |
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513 conversely, any class now in __bases__ that wasn't |
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514 needs to have |type| added to its subclasses. */ |
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515 |
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516 /* for now, sod that: just remove from all old_bases, |
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517 add to all new_bases */ |
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518 |
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519 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) { |
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520 ob = PyTuple_GET_ITEM(old_bases, i); |
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521 if (PyType_Check(ob)) { |
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522 remove_subclass( |
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523 (PyTypeObject*)ob, type); |
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524 } |
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525 } |
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526 |
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527 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) { |
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528 ob = PyTuple_GET_ITEM(value, i); |
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529 if (PyType_Check(ob)) { |
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530 if (add_subclass((PyTypeObject*)ob, type) < 0) |
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531 r = -1; |
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532 } |
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533 } |
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534 |
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535 update_all_slots(type); |
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536 |
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537 Py_DECREF(old_bases); |
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538 Py_DECREF(old_base); |
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539 Py_DECREF(old_mro); |
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540 |
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541 return r; |
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26446
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542 |
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543 bail: |
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544 Py_DECREF(type->tp_bases); |
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545 Py_DECREF(type->tp_base); |
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546 if (type->tp_mro != old_mro) { |
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547 Py_DECREF(type->tp_mro); |
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548 } |
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549 |
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550 type->tp_bases = old_bases; |
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551 type->tp_base = old_base; |
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552 type->tp_mro = old_mro; |
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553 |
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554 return -1; |
| 26421 | 555 } |
| 556 | |
| 557 static PyObject * | |
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558 type_dict(PyTypeObject *type, void *context) |
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559 { |
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560 if (type->tp_dict == NULL) { |
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561 Py_INCREF(Py_None); |
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562 return Py_None; |
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563 } |
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564 return PyDictProxy_New(type->tp_dict); |
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2080
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565 } |
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566 |
|
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567 static PyObject * |
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568 type_get_doc(PyTypeObject *type, void *context) |
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569 { |
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570 PyObject *result; |
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571 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL) |
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572 return PyString_FromString(type->tp_doc); |
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573 result = PyDict_GetItemString(type->tp_dict, "__doc__"); |
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574 if (result == NULL) { |
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575 result = Py_None; |
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576 Py_INCREF(result); |
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577 } |
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578 else if (Py_TYPE(result)->tp_descr_get) { |
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579 result = Py_TYPE(result)->tp_descr_get(result, NULL, |
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580 (PyObject *)type); |
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581 } |
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582 else { |
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583 Py_INCREF(result); |
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584 } |
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585 return result; |
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586 } |
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587 |
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588 static PyObject * |
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589 type___instancecheck__(PyObject *type, PyObject *inst) |
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590 { |
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591 switch (_PyObject_RealIsInstance(inst, type)) { |
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592 case -1: |
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593 return NULL; |
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594 case 0: |
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595 Py_RETURN_FALSE; |
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596 default: |
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597 Py_RETURN_TRUE; |
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598 } |
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599 } |
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600 |
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601 |
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602 static PyObject * |
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603 type___subclasscheck__(PyObject *type, PyObject *inst) |
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604 { |
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605 switch (_PyObject_RealIsSubclass(inst, type)) { |
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606 case -1: |
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607 return NULL; |
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608 case 0: |
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609 Py_RETURN_FALSE; |
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610 default: |
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611 Py_RETURN_TRUE; |
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612 } |
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613 } |
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614 |
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615 |
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616 static PyGetSetDef type_getsets[] = { |
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617 {"__name__", (getter)type_name, (setter)type_set_name, NULL}, |
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618 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL}, |
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619 {"__module__", (getter)type_module, (setter)type_set_module, NULL}, |
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620 {"__abstractmethods__", (getter)type_abstractmethods, |
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621 (setter)type_set_abstractmethods, NULL}, |
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622 {"__dict__", (getter)type_dict, NULL, NULL}, |
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623 {"__doc__", (getter)type_get_doc, NULL, NULL}, |
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624 {0} |
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625 }; |
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626 |
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Patch #424475: Speed-up tp_compare usage, by special-casing the common
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627 |
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628 static PyObject* |
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629 type_richcompare(PyObject *v, PyObject *w, int op) |
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630 { |
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631 PyObject *result; |
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632 Py_uintptr_t vv, ww; |
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633 int c; |
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634 |
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635 /* Make sure both arguments are types. */ |
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636 if (!PyType_Check(v) || !PyType_Check(w) || |
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637 /* If there is a __cmp__ method defined, let it be called instead |
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638 of our dumb function designed merely to warn. See bug |
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639 #7491. */ |
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640 Py_TYPE(v)->tp_compare || Py_TYPE(w)->tp_compare) { |
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641 result = Py_NotImplemented; |
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642 goto out; |
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643 } |
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644 |
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645 /* Py3K warning if comparison isn't == or != */ |
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646 if (Py_Py3kWarningFlag && op != Py_EQ && op != Py_NE && |
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647 PyErr_WarnEx(PyExc_DeprecationWarning, |
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648 "type inequality comparisons not supported " |
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649 "in 3.x", 1) < 0) { |
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650 return NULL; |
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651 } |
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652 |
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653 /* Compare addresses */ |
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654 vv = (Py_uintptr_t)v; |
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655 ww = (Py_uintptr_t)w; |
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656 switch (op) { |
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657 case Py_LT: c = vv < ww; break; |
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658 case Py_LE: c = vv <= ww; break; |
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659 case Py_EQ: c = vv == ww; break; |
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660 case Py_NE: c = vv != ww; break; |
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661 case Py_GT: c = vv > ww; break; |
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662 case Py_GE: c = vv >= ww; break; |
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663 default: |
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664 result = Py_NotImplemented; |
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665 goto out; |
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666 } |
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667 result = c ? Py_True : Py_False; |
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668 |
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669 /* incref and return */ |
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670 out: |
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671 Py_INCREF(result); |
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672 return result; |
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673 } |
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674 |
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675 static PyObject * |
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676 type_repr(PyTypeObject *type) |
| 6 | 677 { |
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678 PyObject *mod, *name, *rtn; |
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679 char *kind; |
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680 |
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681 mod = type_module(type, NULL); |
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682 if (mod == NULL) |
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683 PyErr_Clear(); |
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684 else if (!PyString_Check(mod)) { |
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685 Py_DECREF(mod); |
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686 mod = NULL; |
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687 } |
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688 name = type_name(type, NULL); |
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689 if (name == NULL) { |
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690 Py_XDECREF(mod); |
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691 return NULL; |
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692 } |
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693 |
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694 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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695 kind = "class"; |
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696 else |
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697 kind = "type"; |
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698 |
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699 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__")) { |
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700 rtn = PyString_FromFormat("<%s '%s.%s'>", |
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701 kind, |
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702 PyString_AS_STRING(mod), |
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703 PyString_AS_STRING(name)); |
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704 } |
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705 else |
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706 rtn = PyString_FromFormat("<%s '%s'>", kind, type->tp_name); |
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707 |
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708 Py_XDECREF(mod); |
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709 Py_DECREF(name); |
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710 return rtn; |
| 6 | 711 } |
| 712 | |
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713 static PyObject * |
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714 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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715 { |
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716 PyObject *obj; |
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717 |
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718 if (type->tp_new == NULL) { |
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719 PyErr_Format(PyExc_TypeError, |
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720 "cannot create '%.100s' instances", |
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721 type->tp_name); |
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722 return NULL; |
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723 } |
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724 |
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725 obj = type->tp_new(type, args, kwds); |
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726 if (obj != NULL) { |
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727 /* Ugly exception: when the call was type(something), |
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728 don't call tp_init on the result. */ |
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729 if (type == &PyType_Type && |
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730 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 && |
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731 (kwds == NULL || |
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732 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0))) |
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733 return obj; |
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734 /* If the returned object is not an instance of type, |
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735 it won't be initialized. */ |
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736 if (!PyType_IsSubtype(obj->ob_type, type)) |
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737 return obj; |
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738 type = obj->ob_type; |
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739 if (PyType_HasFeature(type, Py_TPFLAGS_HAVE_CLASS) && |
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740 type->tp_init != NULL && |
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741 type->tp_init(obj, args, kwds) < 0) { |
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742 Py_DECREF(obj); |
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743 obj = NULL; |
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744 } |
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745 } |
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746 return obj; |
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747 } |
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748 |
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749 PyObject * |
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750 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems) |
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751 { |
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752 PyObject *obj; |
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753 const size_t size = _PyObject_VAR_SIZE(type, nitems+1); |
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754 /* note that we need to add one, for the sentinel */ |
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755 |
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756 if (PyType_IS_GC(type)) |
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757 obj = _PyObject_GC_Malloc(size); |
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758 else |
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759 obj = (PyObject *)PyObject_MALLOC(size); |
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760 |
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761 if (obj == NULL) |
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762 return PyErr_NoMemory(); |
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763 |
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764 memset(obj, '\0', size); |
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765 |
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766 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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767 Py_INCREF(type); |
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768 |
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769 if (type->tp_itemsize == 0) |
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770 PyObject_INIT(obj, type); |
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771 else |
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772 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems); |
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773 |
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774 if (PyType_IS_GC(type)) |
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775 _PyObject_GC_TRACK(obj); |
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776 return obj; |
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777 } |
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778 |
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779 PyObject * |
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780 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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781 { |
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782 return type->tp_alloc(type, 0); |
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783 } |
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784 |
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785 /* Helpers for subtyping */ |
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786 |
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787 static int |
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788 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg) |
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789 { |
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790 Py_ssize_t i, n; |
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791 PyMemberDef *mp; |
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792 |
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793 n = Py_SIZE(type); |
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794 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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795 for (i = 0; i < n; i++, mp++) { |
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796 if (mp->type == T_OBJECT_EX) { |
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797 char *addr = (char *)self + mp->offset; |
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798 PyObject *obj = *(PyObject **)addr; |
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799 if (obj != NULL) { |
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800 int err = visit(obj, arg); |
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801 if (err) |
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802 return err; |
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803 } |
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804 } |
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805 } |
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806 return 0; |
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807 } |
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808 |
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809 static int |
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810 subtype_traverse(PyObject *self, visitproc visit, void *arg) |
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811 { |
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812 PyTypeObject *type, *base; |
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813 traverseproc basetraverse; |
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814 |
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815 /* Find the nearest base with a different tp_traverse, |
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816 and traverse slots while we're at it */ |
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817 type = Py_TYPE(self); |
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818 base = type; |
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819 while ((basetraverse = base->tp_traverse) == subtype_traverse) { |
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820 if (Py_SIZE(base)) { |
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821 int err = traverse_slots(base, self, visit, arg); |
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822 if (err) |
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823 return err; |
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824 } |
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825 base = base->tp_base; |
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826 assert(base); |
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827 } |
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828 |
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829 if (type->tp_dictoffset != base->tp_dictoffset) { |
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830 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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831 if (dictptr && *dictptr) |
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832 Py_VISIT(*dictptr); |
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833 } |
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834 |
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835 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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836 /* For a heaptype, the instances count as references |
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837 to the type. Traverse the type so the collector |
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838 can find cycles involving this link. */ |
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839 Py_VISIT(type); |
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840 |
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841 if (basetraverse) |
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842 return basetraverse(self, visit, arg); |
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843 return 0; |
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844 } |
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845 |
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846 static void |
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847 clear_slots(PyTypeObject *type, PyObject *self) |
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848 { |
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849 Py_ssize_t i, n; |
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850 PyMemberDef *mp; |
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851 |
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852 n = Py_SIZE(type); |
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853 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type); |
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854 for (i = 0; i < n; i++, mp++) { |
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855 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) { |
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856 char *addr = (char *)self + mp->offset; |
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857 PyObject *obj = *(PyObject **)addr; |
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858 if (obj != NULL) { |
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859 *(PyObject **)addr = NULL; |
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860 Py_DECREF(obj); |
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861 } |
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862 } |
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863 } |
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864 } |
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865 |
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866 static int |
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867 subtype_clear(PyObject *self) |
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868 { |
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869 PyTypeObject *type, *base; |
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870 inquiry baseclear; |
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871 |
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872 /* Find the nearest base with a different tp_clear |
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873 and clear slots while we're at it */ |
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874 type = Py_TYPE(self); |
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875 base = type; |
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876 while ((baseclear = base->tp_clear) == subtype_clear) { |
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877 if (Py_SIZE(base)) |
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878 clear_slots(base, self); |
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879 base = base->tp_base; |
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880 assert(base); |
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881 } |
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882 |
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883 /* Clear the instance dict (if any), to break cycles involving only |
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884 __dict__ slots (as in the case 'self.__dict__ is self'). */ |
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885 if (type->tp_dictoffset != base->tp_dictoffset) { |
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886 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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887 if (dictptr && *dictptr) |
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888 Py_CLEAR(*dictptr); |
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889 } |
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890 |
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891 if (baseclear) |
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892 return baseclear(self); |
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893 return 0; |
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894 } |
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895 |
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896 static void |
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897 subtype_dealloc(PyObject *self) |
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898 { |
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899 PyTypeObject *type, *base; |
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900 destructor basedealloc; |
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901 PyThreadState *tstate = PyThreadState_GET(); |
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902 |
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903 /* Extract the type; we expect it to be a heap type */ |
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904 type = Py_TYPE(self); |
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905 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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906 |
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907 /* Test whether the type has GC exactly once */ |
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908 |
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909 if (!PyType_IS_GC(type)) { |
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910 /* It's really rare to find a dynamic type that doesn't have |
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911 GC; it can only happen when deriving from 'object' and not |
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912 adding any slots or instance variables. This allows |
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913 certain simplifications: there's no need to call |
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914 clear_slots(), or DECREF the dict, or clear weakrefs. */ |
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915 |
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916 /* Maybe call finalizer; exit early if resurrected */ |
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917 if (type->tp_del) { |
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918 type->tp_del(self); |
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919 if (self->ob_refcnt > 0) |
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920 return; |
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921 } |
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922 |
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923 /* Find the nearest base with a different tp_dealloc */ |
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924 base = type; |
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925 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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926 assert(Py_SIZE(base) == 0); |
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927 base = base->tp_base; |
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928 assert(base); |
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929 } |
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930 |
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931 /* Extract the type again; tp_del may have changed it */ |
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932 type = Py_TYPE(self); |
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933 |
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934 /* Call the base tp_dealloc() */ |
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935 assert(basedealloc); |
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936 basedealloc(self); |
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937 |
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938 /* Can't reference self beyond this point */ |
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939 Py_DECREF(type); |
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940 |
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941 /* Done */ |
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942 return; |
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943 } |
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944 |
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945 /* We get here only if the type has GC */ |
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946 |
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947 /* UnTrack and re-Track around the trashcan macro, alas */ |
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948 /* See explanation at end of function for full disclosure */ |
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949 PyObject_GC_UnTrack(self); |
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950 ++_PyTrash_delete_nesting; |
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951 ++ tstate->trash_delete_nesting; |
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952 Py_TRASHCAN_SAFE_BEGIN(self); |
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953 --_PyTrash_delete_nesting; |
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954 -- tstate->trash_delete_nesting; |
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955 /* DO NOT restore GC tracking at this point. weakref callbacks |
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956 * (if any, and whether directly here or indirectly in something we |
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957 * call) may trigger GC, and if self is tracked at that point, it |
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958 * will look like trash to GC and GC will try to delete self again. |
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959 */ |
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960 |
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961 /* Find the nearest base with a different tp_dealloc */ |
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962 base = type; |
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963 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) { |
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964 base = base->tp_base; |
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965 assert(base); |
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966 } |
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967 |
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968 /* If we added a weaklist, we clear it. Do this *before* calling |
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969 the finalizer (__del__), clearing slots, or clearing the instance |
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970 dict. */ |
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971 |
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972 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) |
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973 PyObject_ClearWeakRefs(self); |
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974 |
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975 /* Maybe call finalizer; exit early if resurrected */ |
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976 if (type->tp_del) { |
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977 _PyObject_GC_TRACK(self); |
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978 type->tp_del(self); |
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979 if (self->ob_refcnt > 0) |
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980 goto endlabel; /* resurrected */ |
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981 else |
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982 _PyObject_GC_UNTRACK(self); |
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983 /* New weakrefs could be created during the finalizer call. |
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984 If this occurs, clear them out without calling their |
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985 finalizers since they might rely on part of the object |
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986 being finalized that has already been destroyed. */ |
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987 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) { |
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988 /* Modeled after GET_WEAKREFS_LISTPTR() */ |
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989 PyWeakReference **list = (PyWeakReference **) \ |
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990 PyObject_GET_WEAKREFS_LISTPTR(self); |
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991 while (*list) |
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992 _PyWeakref_ClearRef(*list); |
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993 } |
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994 } |
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995 |
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996 /* Clear slots up to the nearest base with a different tp_dealloc */ |
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997 base = type; |
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998 while (base->tp_dealloc == subtype_dealloc) { |
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999 if (Py_SIZE(base)) |
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1000 clear_slots(base, self); |
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1001 base = base->tp_base; |
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1002 assert(base); |
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1003 } |
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1004 |
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1005 /* If we added a dict, DECREF it */ |
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1006 if (type->tp_dictoffset && !base->tp_dictoffset) { |
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1007 PyObject **dictptr = _PyObject_GetDictPtr(self); |
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1008 if (dictptr != NULL) { |
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1009 PyObject *dict = *dictptr; |
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1010 if (dict != NULL) { |
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1011 Py_DECREF(dict); |
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1012 *dictptr = NULL; |
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1013 } |
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1014 } |
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1015 } |
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1016 |
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1017 /* Extract the type again; tp_del may have changed it */ |
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1018 type = Py_TYPE(self); |
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1019 |
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1020 /* Call the base tp_dealloc(); first retrack self if |
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1021 * basedealloc knows about gc. |
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1022 */ |
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1023 if (PyType_IS_GC(base)) |
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1024 _PyObject_GC_TRACK(self); |
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1025 assert(basedealloc); |
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1026 basedealloc(self); |
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1027 |
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1028 /* Can't reference self beyond this point */ |
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1029 Py_DECREF(type); |
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1031 endlabel: |
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1032 ++_PyTrash_delete_nesting; |
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1033 ++ tstate->trash_delete_nesting; |
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1034 Py_TRASHCAN_SAFE_END(self); |
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1035 --_PyTrash_delete_nesting; |
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1036 -- tstate->trash_delete_nesting; |
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1037 |
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1038 /* Explanation of the weirdness around the trashcan macros: |
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1039 |
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1040 Q. What do the trashcan macros do? |
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1041 |
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1042 A. Read the comment titled "Trashcan mechanism" in object.h. |
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1043 For one, this explains why there must be a call to GC-untrack |
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1044 before the trashcan begin macro. Without understanding the |
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1045 trashcan code, the answers to the following questions don't make |
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1046 sense. |
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1047 |
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1048 Q. Why do we GC-untrack before the trashcan and then immediately |
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1049 GC-track again afterward? |
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1050 |
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1051 A. In the case that the base class is GC-aware, the base class |
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1052 probably GC-untracks the object. If it does that using the |
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1053 UNTRACK macro, this will crash when the object is already |
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1054 untracked. Because we don't know what the base class does, the |
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1055 only safe thing is to make sure the object is tracked when we |
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1056 call the base class dealloc. But... The trashcan begin macro |
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1057 requires that the object is *untracked* before it is called. So |
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1058 the dance becomes: |
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1059 |
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1060 GC untrack |
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1061 trashcan begin |
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1062 GC track |
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1063 |
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1064 Q. Why did the last question say "immediately GC-track again"? |
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1065 It's nowhere near immediately. |
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1066 |
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1067 A. Because the code *used* to re-track immediately. Bad Idea. |
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1068 self has a refcount of 0, and if gc ever gets its hands on it |
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1069 (which can happen if any weakref callback gets invoked), it |
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1070 looks like trash to gc too, and gc also tries to delete self |
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1071 then. But we're already deleting self. Double deallocation is |
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1072 a subtle disaster. |
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1073 |
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1074 Q. Why the bizarre (net-zero) manipulation of |
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1075 _PyTrash_delete_nesting around the trashcan macros? |
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1076 |
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1077 A. Some base classes (e.g. list) also use the trashcan mechanism. |
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1078 The following scenario used to be possible: |
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1079 |
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1080 - suppose the trashcan level is one below the trashcan limit |
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1081 |
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1082 - subtype_dealloc() is called |
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1083 |
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1084 - the trashcan limit is not yet reached, so the trashcan level |
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1085 is incremented and the code between trashcan begin and end is |
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1086 executed |
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1087 |
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1088 - this destroys much of the object's contents, including its |
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1089 slots and __dict__ |
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1090 |
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1091 - basedealloc() is called; this is really list_dealloc(), or |
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1092 some other type which also uses the trashcan macros |
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1093 |
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1094 - the trashcan limit is now reached, so the object is put on the |
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1095 trashcan's to-be-deleted-later list |
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1096 |
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1097 - basedealloc() returns |
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1099 - subtype_dealloc() decrefs the object's type |
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1100 |
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1101 - subtype_dealloc() returns |
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1102 |
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1103 - later, the trashcan code starts deleting the objects from its |
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1104 to-be-deleted-later list |
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1105 |
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1106 - subtype_dealloc() is called *AGAIN* for the same object |
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1107 |
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1108 - at the very least (if the destroyed slots and __dict__ don't |
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1109 cause problems) the object's type gets decref'ed a second |
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1110 time, which is *BAD*!!! |
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1111 |
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1112 The remedy is to make sure that if the code between trashcan |
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1113 begin and end in subtype_dealloc() is called, the code between |
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1114 trashcan begin and end in basedealloc() will also be called. |
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1115 This is done by decrementing the level after passing into the |
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1116 trashcan block, and incrementing it just before leaving the |
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1117 block. |
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1118 |
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1119 But now it's possible that a chain of objects consisting solely |
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1120 of objects whose deallocator is subtype_dealloc() will defeat |
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1121 the trashcan mechanism completely: the decremented level means |
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1122 that the effective level never reaches the limit. Therefore, we |
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1123 *increment* the level *before* entering the trashcan block, and |
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1124 matchingly decrement it after leaving. This means the trashcan |
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1125 code will trigger a little early, but that's no big deal. |
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1126 |
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1127 Q. Are there any live examples of code in need of all this |
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1128 complexity? |
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1129 |
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1130 A. Yes. See SF bug 668433 for code that crashed (when Python was |
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1131 compiled in debug mode) before the trashcan level manipulations |
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1132 were added. For more discussion, see SF patches 581742, 575073 |
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1133 and bug 574207. |
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1134 */ |
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1135 } |
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1136 |
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1137 static PyTypeObject *solid_base(PyTypeObject *type); |
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1138 |
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1139 /* type test with subclassing support */ |
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1140 |
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1141 int |
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1142 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b) |
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1143 { |
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1144 PyObject *mro; |
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1145 |
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1146 if (!(a->tp_flags & Py_TPFLAGS_HAVE_CLASS)) |
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1147 return b == a || b == &PyBaseObject_Type; |
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1148 |
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1149 mro = a->tp_mro; |
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1150 if (mro != NULL) { |
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1151 /* Deal with multiple inheritance without recursion |
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1152 by walking the MRO tuple */ |
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1153 Py_ssize_t i, n; |
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1154 assert(PyTuple_Check(mro)); |
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1155 n = PyTuple_GET_SIZE(mro); |
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1156 for (i = 0; i < n; i++) { |
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1157 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) |
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1158 return 1; |
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1159 } |
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1160 return 0; |
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1161 } |
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1162 else { |
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1163 /* a is not completely initilized yet; follow tp_base */ |
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1164 do { |
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1165 if (a == b) |
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1166 return 1; |
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1167 a = a->tp_base; |
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1168 } while (a != NULL); |
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1169 return b == &PyBaseObject_Type; |
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1170 } |
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1171 } |
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1172 |
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1173 /* Internal routines to do a method lookup in the type |
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1174 without looking in the instance dictionary |
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1175 (so we can't use PyObject_GetAttr) but still binding |
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1176 it to the instance. The arguments are the object, |
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1177 the method name as a C string, and the address of a |
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1178 static variable used to cache the interned Python string. |
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1179 |
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1180 Two variants: |
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1181 |
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1182 - lookup_maybe() returns NULL without raising an exception |
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1183 when the _PyType_Lookup() call fails; |
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1184 |
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1185 - lookup_method() always raises an exception upon errors. |
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1186 |
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1187 - _PyObject_LookupSpecial() exported for the benefit of other places. |
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1188 */ |
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1189 |
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1190 static PyObject * |
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1191 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj) |
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1192 { |
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1193 PyObject *res; |
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1194 |
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1195 if (*attrobj == NULL) { |
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1196 *attrobj = PyString_InternFromString(attrstr); |
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1197 if (*attrobj == NULL) |
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1198 return NULL; |
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1199 } |
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1200 res = _PyType_Lookup(Py_TYPE(self), *attrobj); |
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1201 if (res != NULL) { |
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1202 descrgetfunc f; |
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1203 if ((f = Py_TYPE(res)->tp_descr_get) == NULL) |
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1204 Py_INCREF(res); |
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1205 else |
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1206 res = f(res, self, (PyObject *)(Py_TYPE(self))); |
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1207 } |
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1208 return res; |
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1209 } |
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1210 |
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1211 static PyObject * |
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1212 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj) |
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1213 { |
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1214 PyObject *res = lookup_maybe(self, attrstr, attrobj); |
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1215 if (res == NULL && !PyErr_Occurred()) |
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1216 PyErr_SetObject(PyExc_AttributeError, *attrobj); |
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1217 return res; |
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1218 } |
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1219 |
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1220 PyObject * |
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1221 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj) |
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1222 { |
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1223 assert(!PyInstance_Check(self)); |
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1224 return lookup_maybe(self, attrstr, attrobj); |
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1225 } |
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1226 |
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1227 /* A variation of PyObject_CallMethod that uses lookup_method() |
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1228 instead of PyObject_GetAttrString(). This uses the same convention |
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1229 as lookup_method to cache the interned name string object. */ |
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1230 |
|
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1231 static PyObject * |
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1232 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...) |
|
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1233 { |
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1234 va_list va; |
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1235 PyObject *args, *func = 0, *retval; |
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1236 va_start(va, format); |
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1237 |
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1238 func = lookup_maybe(o, name, nameobj); |
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1239 if (func == NULL) { |
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1240 va_end(va); |
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1241 if (!PyErr_Occurred()) |
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1242 PyErr_SetObject(PyExc_AttributeError, *nameobj); |
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1243 return NULL; |
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1244 } |
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1245 |
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1246 if (format && *format) |
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1247 args = Py_VaBuildValue(format, va); |
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1248 else |
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1249 args = PyTuple_New(0); |
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1250 |
|
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1251 va_end(va); |
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1252 |
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1253 if (args == NULL) |
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1254 return NULL; |
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1255 |
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1256 assert(PyTuple_Check(args)); |
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1257 retval = PyObject_Call(func, args, NULL); |
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1258 |
|
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1259 Py_DECREF(args); |
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1260 Py_DECREF(func); |
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1261 |
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1262 return retval; |
|
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1263 } |
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1264 |
|
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1265 /* Clone of call_method() that returns NotImplemented when the lookup fails. */ |
|
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1266 |
|
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1267 static PyObject * |
|
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1268 call_maybe(PyObject *o, char *name, PyObject **nameobj, char *format, ...) |
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1269 { |
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1270 va_list va; |
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1271 PyObject *args, *func = 0, *retval; |
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1272 va_start(va, format); |
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1273 |
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1274 func = lookup_maybe(o, name, nameobj); |
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1275 if (func == NULL) { |
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1276 va_end(va); |
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1277 if (!PyErr_Occurred()) { |
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1278 Py_INCREF(Py_NotImplemented); |
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1279 return Py_NotImplemented; |
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1280 } |
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1281 return NULL; |
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1282 } |
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1283 |
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1284 if (format && *format) |
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1285 args = Py_VaBuildValue(format, va); |
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1286 else |
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1287 args = PyTuple_New(0); |
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1288 |
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1289 va_end(va); |
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1290 |
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1291 if (args == NULL) |
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1292 return NULL; |
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1293 |
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1294 assert(PyTuple_Check(args)); |
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1295 retval = PyObject_Call(func, args, NULL); |
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1296 |
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1297 Py_DECREF(args); |
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1298 Py_DECREF(func); |
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1299 |
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1300 return retval; |
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1301 } |
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1302 |
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1303 static int |
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1304 fill_classic_mro(PyObject *mro, PyObject *cls) |
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1305 { |
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1306 PyObject *bases, *base; |
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1307 Py_ssize_t i, n; |
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1308 |
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1309 assert(PyList_Check(mro)); |
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1310 assert(PyClass_Check(cls)); |
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1311 i = PySequence_Contains(mro, cls); |
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1312 if (i < 0) |
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1313 return -1; |
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1314 if (!i) { |
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1315 if (PyList_Append(mro, cls) < 0) |
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1316 return -1; |
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1317 } |
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1318 bases = ((PyClassObject *)cls)->cl_bases; |
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1319 assert(bases && PyTuple_Check(bases)); |
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1320 n = PyTuple_GET_SIZE(bases); |
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1321 for (i = 0; i < n; i++) { |
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1322 base = PyTuple_GET_ITEM(bases, i); |
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1323 if (fill_classic_mro(mro, base) < 0) |
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1324 return -1; |
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1325 } |
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1326 return 0; |
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1327 } |
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1328 |
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1329 static PyObject * |
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1330 classic_mro(PyObject *cls) |
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1331 { |
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1332 PyObject *mro; |
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1333 |
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1334 assert(PyClass_Check(cls)); |
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1335 mro = PyList_New(0); |
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1336 if (mro != NULL) { |
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1337 if (fill_classic_mro(mro, cls) == 0) |
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1338 return mro; |
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1339 Py_DECREF(mro); |
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1340 } |
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1341 return NULL; |
|
20978
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1342 } |
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1343 |
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1344 /* |
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1345 Method resolution order algorithm C3 described in |
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|
1346 "A Monotonic Superclass Linearization for Dylan", |
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1347 by Kim Barrett, Bob Cassel, Paul Haahr, |
|
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1348 David A. Moon, Keith Playford, and P. Tucker Withington. |
|
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1349 (OOPSLA 1996) |
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1350 |
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1351 Some notes about the rules implied by C3: |
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1352 |
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1353 No duplicate bases. |
|
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1354 It isn't legal to repeat a class in a list of base classes. |
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1355 |
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1356 The next three properties are the 3 constraints in "C3". |
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1357 |
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1358 Local precendece order. |
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1359 If A precedes B in C's MRO, then A will precede B in the MRO of all |
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1360 subclasses of C. |
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1361 |
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1362 Monotonicity. |
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1363 The MRO of a class must be an extension without reordering of the |
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1364 MRO of each of its superclasses. |
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1365 |
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1366 Extended Precedence Graph (EPG). |
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1367 Linearization is consistent if there is a path in the EPG from |
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1368 each class to all its successors in the linearization. See |
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26918e2efd17
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1369 the paper for definition of EPG. |
|
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1370 */ |
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|
1371 |
|
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|
1372 static int |
|
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1373 tail_contains(PyObject *list, int whence, PyObject *o) { |
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1374 Py_ssize_t j, size; |
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1375 size = PyList_GET_SIZE(list); |
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1376 |
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1377 for (j = whence+1; j < size; j++) { |
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1378 if (PyList_GET_ITEM(list, j) == o) |
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1379 return 1; |
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1380 } |
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1381 return 0; |
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1382 } |
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1383 |
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1384 static PyObject * |
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1385 class_name(PyObject *cls) |
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1386 { |
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1387 PyObject *name = PyObject_GetAttrString(cls, "__name__"); |
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1388 if (name == NULL) { |
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1389 PyErr_Clear(); |
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1390 Py_XDECREF(name); |
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1391 name = PyObject_Repr(cls); |
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1392 } |
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1393 if (name == NULL) |
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1394 return NULL; |
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1395 if (!PyString_Check(name)) { |
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1396 Py_DECREF(name); |
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1397 return NULL; |
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1398 } |
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1399 return name; |
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1400 } |
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1401 |
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1402 static int |
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1403 check_duplicates(PyObject *list) |
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1404 { |
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1405 Py_ssize_t i, j, n; |
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1406 /* Let's use a quadratic time algorithm, |
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1407 assuming that the bases lists is short. |
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1408 */ |
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1409 n = PyList_GET_SIZE(list); |
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1410 for (i = 0; i < n; i++) { |
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1411 PyObject *o = PyList_GET_ITEM(list, i); |
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1412 for (j = i + 1; j < n; j++) { |
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1413 if (PyList_GET_ITEM(list, j) == o) { |
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1414 o = class_name(o); |
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1415 PyErr_Format(PyExc_TypeError, |
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1416 "duplicate base class %s", |
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1417 o ? PyString_AS_STRING(o) : "?"); |
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1418 Py_XDECREF(o); |
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1419 return -1; |
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1420 } |
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1421 } |
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1422 } |
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1423 return 0; |
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1424 } |
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1425 |
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1426 /* Raise a TypeError for an MRO order disagreement. |
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1427 |
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1428 It's hard to produce a good error message. In the absence of better |
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1429 insight into error reporting, report the classes that were candidates |
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1430 to be put next into the MRO. There is some conflict between the |
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1431 order in which they should be put in the MRO, but it's hard to |
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1432 diagnose what constraint can't be satisfied. |
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1433 */ |
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1434 |
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1435 static void |
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1436 set_mro_error(PyObject *to_merge, int *remain) |
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1437 { |
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1438 Py_ssize_t i, n, off, to_merge_size; |
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|
1439 char buf[1000]; |
|
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1440 PyObject *k, *v; |
|
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1441 PyObject *set = PyDict_New(); |
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1442 if (!set) return; |
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1443 |
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1444 to_merge_size = PyList_GET_SIZE(to_merge); |
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1445 for (i = 0; i < to_merge_size; i++) { |
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1446 PyObject *L = PyList_GET_ITEM(to_merge, i); |
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1447 if (remain[i] < PyList_GET_SIZE(L)) { |
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1448 PyObject *c = PyList_GET_ITEM(L, remain[i]); |
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1449 if (PyDict_SetItem(set, c, Py_None) < 0) { |
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1450 Py_DECREF(set); |
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|
1451 return; |
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1452 } |
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1453 } |
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1454 } |
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1455 n = PyDict_Size(set); |
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1456 |
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1457 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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|
1458 consistent method resolution\norder (MRO) for bases"); |
|
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1459 i = 0; |
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1460 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) { |
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1461 PyObject *name = class_name(k); |
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1462 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", |
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1463 name ? PyString_AS_STRING(name) : "?"); |
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1464 Py_XDECREF(name); |
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1465 if (--n && (size_t)(off+1) < sizeof(buf)) { |
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1466 buf[off++] = ','; |
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1467 buf[off] = '\0'; |
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1468 } |
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1469 } |
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1470 PyErr_SetString(PyExc_TypeError, buf); |
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1471 Py_DECREF(set); |
|
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26918e2efd17
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Guido van Rossum <guido@python.org>
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1472 } |
|
26918e2efd17
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Guido van Rossum <guido@python.org>
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|
1473 |
|
26575
93b5ca9423eb
slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
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|
1474 static int |
|
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|
1475 pmerge(PyObject *acc, PyObject* to_merge) { |
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1476 Py_ssize_t i, j, to_merge_size, empty_cnt; |
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1477 int *remain; |
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1478 int ok; |
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1479 |
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1480 to_merge_size = PyList_GET_SIZE(to_merge); |
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1481 |
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1482 /* remain stores an index into each sublist of to_merge. |
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1483 remain[i] is the index of the next base in to_merge[i] |
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1484 that is not included in acc. |
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1485 */ |
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1486 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size); |
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1487 if (remain == NULL) |
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1488 return -1; |
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1489 for (i = 0; i < to_merge_size; i++) |
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1490 remain[i] = 0; |
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1491 |
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1492 again: |
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1493 empty_cnt = 0; |
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1494 for (i = 0; i < to_merge_size; i++) { |
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1495 PyObject *candidate; |
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1496 |
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1497 PyObject *cur_list = PyList_GET_ITEM(to_merge, i); |
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1498 |
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1499 if (remain[i] >= PyList_GET_SIZE(cur_list)) { |
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1500 empty_cnt++; |
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1501 continue; |
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1502 } |
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1503 |
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1504 /* Choose next candidate for MRO. |
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1505 |
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1506 The input sequences alone can determine the choice. |
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1507 If not, choose the class which appears in the MRO |
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1508 of the earliest direct superclass of the new class. |
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1509 */ |
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1510 |
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1511 candidate = PyList_GET_ITEM(cur_list, remain[i]); |
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1512 for (j = 0; j < to_merge_size; j++) { |
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1513 PyObject *j_lst = PyList_GET_ITEM(to_merge, j); |
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1514 if (tail_contains(j_lst, remain[j], candidate)) { |
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1515 goto skip; /* continue outer loop */ |
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1516 } |
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1517 } |
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1518 ok = PyList_Append(acc, candidate); |
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1519 if (ok < 0) { |
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1520 PyMem_Free(remain); |
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1521 return -1; |
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1522 } |
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1523 for (j = 0; j < to_merge_size; j++) { |
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1524 PyObject *j_lst = PyList_GET_ITEM(to_merge, j); |
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1525 if (remain[j] < PyList_GET_SIZE(j_lst) && |
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1526 PyList_GET_ITEM(j_lst, remain[j]) == candidate) { |
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1527 remain[j]++; |
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1528 } |
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1529 } |
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1530 goto again; |
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1531 skip: ; |
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1532 } |
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1533 |
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1534 if (empty_cnt == to_merge_size) { |
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1535 PyMem_FREE(remain); |
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1536 return 0; |
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1537 } |
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1538 set_mro_error(to_merge, remain); |
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1539 PyMem_FREE(remain); |
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1540 return -1; |
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1541 } |
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1542 |
|
18933
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Tim Peters <tim.peters@gmail.com>
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1543 static PyObject * |
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1544 mro_implementation(PyTypeObject *type) |
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1545 { |
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1546 Py_ssize_t i, n; |
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|
1547 int ok; |
|
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1548 PyObject *bases, *result; |
|
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|
1549 PyObject *to_merge, *bases_aslist; |
|
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|
1550 |
|
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|
1551 if (type->tp_dict == NULL) { |
|
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1552 if (PyType_Ready(type) < 0) |
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|
1553 return NULL; |
|
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1554 } |
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|
1555 |
|
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|
1556 /* Find a superclass linearization that honors the constraints |
|
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1557 of the explicit lists of bases and the constraints implied by |
|
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1558 each base class. |
|
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1559 |
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|
1560 to_merge is a list of lists, where each list is a superclass |
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|
1561 linearization implied by a base class. The last element of |
|
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1562 to_merge is the declared list of bases. |
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1563 */ |
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1564 |
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1565 bases = type->tp_bases; |
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1566 n = PyTuple_GET_SIZE(bases); |
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1567 |
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1568 to_merge = PyList_New(n+1); |
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1569 if (to_merge == NULL) |
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1570 return NULL; |
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1571 |
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1572 for (i = 0; i < n; i++) { |
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1573 PyObject *base = PyTuple_GET_ITEM(bases, i); |
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1574 PyObject *parentMRO; |
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1575 if (PyType_Check(base)) |
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1576 parentMRO = PySequence_List( |
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1577 ((PyTypeObject*)base)->tp_mro); |
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1578 else |
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1579 parentMRO = classic_mro(base); |
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1580 if (parentMRO == NULL) { |
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1581 Py_DECREF(to_merge); |
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1582 return NULL; |
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1583 } |
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1584 |
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1585 PyList_SET_ITEM(to_merge, i, parentMRO); |
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1586 } |
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1587 |
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1588 bases_aslist = PySequence_List(bases); |
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1589 if (bases_aslist == NULL) { |
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1590 Py_DECREF(to_merge); |
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1591 return NULL; |
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1592 } |
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1593 /* This is just a basic sanity check. */ |
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1594 if (check_duplicates(bases_aslist) < 0) { |
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1595 Py_DECREF(to_merge); |
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1596 Py_DECREF(bases_aslist); |
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1597 return NULL; |
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1598 } |
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1599 PyList_SET_ITEM(to_merge, n, bases_aslist); |
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1600 |
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1601 result = Py_BuildValue("[O]", (PyObject *)type); |
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1602 if (result == NULL) { |
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1603 Py_DECREF(to_merge); |
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1604 return NULL; |
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1605 } |
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1606 |
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1607 ok = pmerge(result, to_merge); |
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1608 Py_DECREF(to_merge); |
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1609 if (ok < 0) { |
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1610 Py_DECREF(result); |
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1611 return NULL; |
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1612 } |
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1613 |
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1614 return result; |
|
18933
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1615 } |
|
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1616 |
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1617 static PyObject * |
|
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|
1618 mro_external(PyObject *self) |
|
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1619 { |
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61465
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1620 PyTypeObject *type = (PyTypeObject *)self; |
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1621 |
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1622 return mro_implementation(type); |
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1623 } |
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1624 |
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1625 static int |
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1626 mro_internal(PyTypeObject *type) |
|
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1627 { |
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61465
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1628 PyObject *mro, *result, *tuple; |
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1629 int checkit = 0; |
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1630 |
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1631 if (Py_TYPE(type) == &PyType_Type) { |
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1632 result = mro_implementation(type); |
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1633 } |
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1634 else { |
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1635 static PyObject *mro_str; |
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1636 checkit = 1; |
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1637 mro = lookup_method((PyObject *)type, "mro", &mro_str); |
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1638 if (mro == NULL) |
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1639 return -1; |
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1640 result = PyObject_CallObject(mro, NULL); |
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1641 Py_DECREF(mro); |
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1642 } |
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1643 if (result == NULL) |
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1644 return -1; |
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1645 tuple = PySequence_Tuple(result); |
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1646 Py_DECREF(result); |
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1647 if (tuple == NULL) |
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1648 return -1; |
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1649 if (checkit) { |
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1650 Py_ssize_t i, len; |
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1651 PyObject *cls; |
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1652 PyTypeObject *solid; |
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1653 |
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1654 solid = solid_base(type); |
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1655 |
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1656 len = PyTuple_GET_SIZE(tuple); |
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1657 |
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1658 for (i = 0; i < len; i++) { |
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1659 PyTypeObject *t; |
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1660 cls = PyTuple_GET_ITEM(tuple, i); |
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1661 if (PyClass_Check(cls)) |
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1662 continue; |
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1663 else if (!PyType_Check(cls)) { |
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1664 PyErr_Format(PyExc_TypeError, |
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1665 "mro() returned a non-class ('%.500s')", |
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1666 Py_TYPE(cls)->tp_name); |
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1667 Py_DECREF(tuple); |
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1668 return -1; |
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1669 } |
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1670 t = (PyTypeObject*)cls; |
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1671 if (!PyType_IsSubtype(solid, solid_base(t))) { |
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1672 PyErr_Format(PyExc_TypeError, |
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1673 "mro() returned base with unsuitable layout ('%.500s')", |
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1674 t->tp_name); |
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1675 Py_DECREF(tuple); |
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1676 return -1; |
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1677 } |
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1678 } |
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1679 } |
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1680 type->tp_mro = tuple; |
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1681 |
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1682 type_mro_modified(type, type->tp_mro); |
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1683 /* corner case: the old-style super class might have been hidden |
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1684 from the custom MRO */ |
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1685 type_mro_modified(type, type->tp_bases); |
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1686 |
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1687 PyType_Modified(type); |
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1688 |
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1689 return 0; |
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1690 } |
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1691 |
|
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1692 |
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1693 /* Calculate the best base amongst multiple base classes. |
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1694 This is the first one that's on the path to the "solid base". */ |
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1695 |
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1696 static PyTypeObject * |
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1697 best_base(PyObject *bases) |
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1698 { |
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1699 Py_ssize_t i, n; |
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1700 PyTypeObject *base, *winner, *candidate, *base_i; |
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1701 PyObject *base_proto; |
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1702 |
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1703 assert(PyTuple_Check(bases)); |
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1704 n = PyTuple_GET_SIZE(bases); |
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1705 assert(n > 0); |
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1706 base = NULL; |
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1707 winner = NULL; |
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1708 for (i = 0; i < n; i++) { |
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1709 base_proto = PyTuple_GET_ITEM(bases, i); |
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1710 if (PyClass_Check(base_proto)) |
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1711 continue; |
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1712 if (!PyType_Check(base_proto)) { |
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1713 PyErr_SetString( |
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1714 PyExc_TypeError, |
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1715 "bases must be types"); |
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1716 return NULL; |
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1717 } |
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1718 base_i = (PyTypeObject *)base_proto; |
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1719 if (base_i->tp_dict == NULL) { |
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1720 if (PyType_Ready(base_i) < 0) |
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1721 return NULL; |
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1722 } |
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1723 candidate = solid_base(base_i); |
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1724 if (winner == NULL) { |
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1725 winner = candidate; |
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1726 base = base_i; |
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1727 } |
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1728 else if (PyType_IsSubtype(winner, candidate)) |
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1729 ; |
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1730 else if (PyType_IsSubtype(candidate, winner)) { |
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1731 winner = candidate; |
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1732 base = base_i; |
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1733 } |
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1734 else { |
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1735 PyErr_SetString( |
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1736 PyExc_TypeError, |
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1737 "multiple bases have " |
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1738 "instance lay-out conflict"); |
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1739 return NULL; |
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1740 } |
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1741 } |
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1742 if (base == NULL) |
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1743 PyErr_SetString(PyExc_TypeError, |
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1744 "a new-style class can't have only classic bases"); |
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1745 return base; |
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1746 } |
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1747 |
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1748 static int |
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1749 extra_ivars(PyTypeObject *type, PyTypeObject *base) |
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1750 { |
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1751 size_t t_size = type->tp_basicsize; |
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1752 size_t b_size = base->tp_basicsize; |
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1753 |
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1754 assert(t_size >= b_size); /* Else type smaller than base! */ |
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1755 if (type->tp_itemsize || base->tp_itemsize) { |
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1756 /* If itemsize is involved, stricter rules */ |
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1757 return t_size != b_size || |
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1758 type->tp_itemsize != base->tp_itemsize; |
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1759 } |
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1760 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 && |
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1761 type->tp_weaklistoffset + sizeof(PyObject *) == t_size && |
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1762 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1763 t_size -= sizeof(PyObject *); |
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1764 if (type->tp_dictoffset && base->tp_dictoffset == 0 && |
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1765 type->tp_dictoffset + sizeof(PyObject *) == t_size && |
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1766 type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
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1767 t_size -= sizeof(PyObject *); |
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|
1768 |
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|
1769 return t_size != b_size; |
|
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1770 } |
|
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1771 |
|
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1772 static PyTypeObject * |
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|
1773 solid_base(PyTypeObject *type) |
|
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1774 { |
|
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1775 PyTypeObject *base; |
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1776 |
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1777 if (type->tp_base) |
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1778 base = solid_base(type->tp_base); |
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1779 else |
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1780 base = &PyBaseObject_Type; |
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1781 if (extra_ivars(type, base)) |
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1782 return type; |
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1783 else |
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1784 return base; |
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1785 } |
|
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1786 |
|
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1787 static void object_dealloc(PyObject *); |
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1788 static int object_init(PyObject *, PyObject *, PyObject *); |
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1789 static int update_slot(PyTypeObject *, PyObject *); |
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1790 static void fixup_slot_dispatchers(PyTypeObject *); |
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1791 |
| 44753 | 1792 /* |
| 1793 * Helpers for __dict__ descriptor. We don't want to expose the dicts | |
| 1794 * inherited from various builtin types. The builtin base usually provides | |
| 1795 * its own __dict__ descriptor, so we use that when we can. | |
| 1796 */ | |
| 1797 static PyTypeObject * | |
| 1798 get_builtin_base_with_dict(PyTypeObject *type) | |
| 1799 { | |
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1800 while (type->tp_base != NULL) { |
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1801 if (type->tp_dictoffset != 0 && |
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1802 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
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1803 return type; |
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1804 type = type->tp_base; |
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1805 } |
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1806 return NULL; |
| 44753 | 1807 } |
| 1808 | |
| 1809 static PyObject * | |
| 1810 get_dict_descriptor(PyTypeObject *type) | |
| 1811 { | |
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1812 static PyObject *dict_str; |
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1813 PyObject *descr; |
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1814 |
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1815 if (dict_str == NULL) { |
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1816 dict_str = PyString_InternFromString("__dict__"); |
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1817 if (dict_str == NULL) |
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1818 return NULL; |
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1819 } |
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1820 descr = _PyType_Lookup(type, dict_str); |
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1821 if (descr == NULL || !PyDescr_IsData(descr)) |
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1822 return NULL; |
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1823 |
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1824 return descr; |
| 44753 | 1825 } |
| 1826 | |
| 1827 static void | |
| 1828 raise_dict_descr_error(PyObject *obj) | |
| 1829 { | |
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1830 PyErr_Format(PyExc_TypeError, |
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1831 "this __dict__ descriptor does not support " |
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1832 "'%.200s' objects", obj->ob_type->tp_name); |
| 44753 | 1833 } |
| 1834 | |
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1835 static PyObject * |
|
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1836 subtype_dict(PyObject *obj, void *context) |
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1837 { |
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1838 PyObject **dictptr; |
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1839 PyObject *dict; |
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1840 PyTypeObject *base; |
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1841 |
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1842 base = get_builtin_base_with_dict(obj->ob_type); |
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1843 if (base != NULL) { |
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1844 descrgetfunc func; |
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1845 PyObject *descr = get_dict_descriptor(base); |
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1846 if (descr == NULL) { |
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1847 raise_dict_descr_error(obj); |
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1848 return NULL; |
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1849 } |
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1850 func = descr->ob_type->tp_descr_get; |
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1851 if (func == NULL) { |
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1852 raise_dict_descr_error(obj); |
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1853 return NULL; |
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1854 } |
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1855 return func(descr, obj, (PyObject *)(obj->ob_type)); |
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1856 } |
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1857 |
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1858 dictptr = _PyObject_GetDictPtr(obj); |
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1859 if (dictptr == NULL) { |
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1860 PyErr_SetString(PyExc_AttributeError, |
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1861 "This object has no __dict__"); |
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1862 return NULL; |
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1863 } |
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1864 dict = *dictptr; |
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1865 if (dict == NULL) |
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1866 *dictptr = dict = PyDict_New(); |
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1867 Py_XINCREF(dict); |
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1868 return dict; |
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1869 } |
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1870 |
|
20681
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1871 static int |
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1872 subtype_setdict(PyObject *obj, PyObject *value, void *context) |
|
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1873 { |
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1874 PyObject **dictptr; |
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1875 PyObject *dict; |
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1876 PyTypeObject *base; |
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1877 |
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1878 base = get_builtin_base_with_dict(obj->ob_type); |
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1879 if (base != NULL) { |
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1880 descrsetfunc func; |
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1881 PyObject *descr = get_dict_descriptor(base); |
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1882 if (descr == NULL) { |
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1883 raise_dict_descr_error(obj); |
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1884 return -1; |
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1885 } |
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1886 func = descr->ob_type->tp_descr_set; |
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1887 if (func == NULL) { |
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1888 raise_dict_descr_error(obj); |
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1889 return -1; |
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1890 } |
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1891 return func(descr, obj, value); |
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1892 } |
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1893 |
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1894 dictptr = _PyObject_GetDictPtr(obj); |
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1895 if (dictptr == NULL) { |
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1896 PyErr_SetString(PyExc_AttributeError, |
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1897 "This object has no __dict__"); |
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1898 return -1; |
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1899 } |
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1900 if (value != NULL && !PyDict_Check(value)) { |
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1901 PyErr_Format(PyExc_TypeError, |
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1902 "__dict__ must be set to a dictionary, " |
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1903 "not a '%.200s'", Py_TYPE(value)->tp_name); |
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1904 return -1; |
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1905 } |
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1906 dict = *dictptr; |
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1907 Py_XINCREF(value); |
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1908 *dictptr = value; |
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1909 Py_XDECREF(dict); |
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1910 return 0; |
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1911 } |
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1912 |
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1913 static PyObject * |
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1914 subtype_getweakref(PyObject *obj, void *context) |
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1915 { |
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1916 PyObject **weaklistptr; |
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1917 PyObject *result; |
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1918 |
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1919 if (Py_TYPE(obj)->tp_weaklistoffset == 0) { |
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1920 PyErr_SetString(PyExc_AttributeError, |
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1921 "This object has no __weakref__"); |
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1922 return NULL; |
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1923 } |
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1924 assert(Py_TYPE(obj)->tp_weaklistoffset > 0); |
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1925 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <= |
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1926 (size_t)(Py_TYPE(obj)->tp_basicsize)); |
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1927 weaklistptr = (PyObject **) |
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1928 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset); |
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1929 if (*weaklistptr == NULL) |
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1930 result = Py_None; |
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1931 else |
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1932 result = *weaklistptr; |
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1933 Py_INCREF(result); |
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1934 return result; |
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1935 } |
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1936 |
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1937 /* Three variants on the subtype_getsets list. */ |
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1938 |
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1939 static PyGetSetDef subtype_getsets_full[] = { |
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1940 {"__dict__", subtype_dict, subtype_setdict, |
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1941 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1942 {"__weakref__", subtype_getweakref, NULL, |
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1943 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1944 {0} |
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1945 }; |
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1946 |
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1947 static PyGetSetDef subtype_getsets_dict_only[] = { |
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1948 {"__dict__", subtype_dict, subtype_setdict, |
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1949 PyDoc_STR("dictionary for instance variables (if defined)")}, |
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1950 {0} |
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1951 }; |
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1952 |
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1953 static PyGetSetDef subtype_getsets_weakref_only[] = { |
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1954 {"__weakref__", subtype_getweakref, NULL, |
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1955 PyDoc_STR("list of weak references to the object (if defined)")}, |
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1956 {0} |
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1957 }; |
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1958 |
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1959 static int |
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1960 valid_identifier(PyObject *s) |
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1961 { |
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1962 unsigned char *p; |
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1963 Py_ssize_t i, n; |
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1964 |
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1965 if (!PyString_Check(s)) { |
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1966 PyErr_Format(PyExc_TypeError, |
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1967 "__slots__ items must be strings, not '%.200s'", |
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1968 Py_TYPE(s)->tp_name); |
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1969 return 0; |
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1970 } |
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1971 p = (unsigned char *) PyString_AS_STRING(s); |
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1972 n = PyString_GET_SIZE(s); |
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1973 /* We must reject an empty name. As a hack, we bump the |
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1974 length to 1 so that the loop will balk on the trailing \0. */ |
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1975 if (n == 0) |
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1976 n = 1; |
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1977 for (i = 0; i < n; i++, p++) { |
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1978 if (!(i == 0 ? isalpha(*p) : isalnum(*p)) && *p != '_') { |
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1979 PyErr_SetString(PyExc_TypeError, |
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1980 "__slots__ must be identifiers"); |
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1981 return 0; |
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1982 } |
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1983 } |
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1984 return 1; |
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1985 } |
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1986 |
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1987 #ifdef Py_USING_UNICODE |
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1988 /* Replace Unicode objects in slots. */ |
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1989 |
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1990 static PyObject * |
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1991 _unicode_to_string(PyObject *slots, Py_ssize_t nslots) |
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1992 { |
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1993 PyObject *tmp = NULL; |
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1994 PyObject *slot_name, *new_name; |
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1995 Py_ssize_t i; |
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1996 |
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1997 for (i = 0; i < nslots; i++) { |
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1998 if (PyUnicode_Check(slot_name = PyTuple_GET_ITEM(slots, i))) { |
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1999 if (tmp == NULL) { |
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2000 tmp = PySequence_List(slots); |
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2001 if (tmp == NULL) |
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2002 return NULL; |
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2003 } |
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2004 new_name = _PyUnicode_AsDefaultEncodedString(slot_name, |
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2005 NULL); |
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2006 if (new_name == NULL) { |
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2007 Py_DECREF(tmp); |
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2008 return NULL; |
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2009 } |
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2010 Py_INCREF(new_name); |
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2011 PyList_SET_ITEM(tmp, i, new_name); |
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2012 Py_DECREF(slot_name); |
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2013 } |
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2014 } |
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2015 if (tmp != NULL) { |
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2016 slots = PyList_AsTuple(tmp); |
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2017 Py_DECREF(tmp); |
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2018 } |
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2019 return slots; |
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2020 } |
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2021 #endif |
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2022 |
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2023 /* Forward */ |
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2024 static int |
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2025 object_init(PyObject *self, PyObject *args, PyObject *kwds); |
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2026 |
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2027 static int |
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2028 type_init(PyObject *cls, PyObject *args, PyObject *kwds) |
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2029 { |
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2030 int res; |
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2031 |
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2032 assert(args != NULL && PyTuple_Check(args)); |
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2033 assert(kwds == NULL || PyDict_Check(kwds)); |
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2034 |
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2035 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) { |
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2036 PyErr_SetString(PyExc_TypeError, |
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2037 "type.__init__() takes no keyword arguments"); |
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2038 return -1; |
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2039 } |
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2040 |
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2041 if (args != NULL && PyTuple_Check(args) && |
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2042 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) { |
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2043 PyErr_SetString(PyExc_TypeError, |
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2044 "type.__init__() takes 1 or 3 arguments"); |
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2045 return -1; |
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2046 } |
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2047 |
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2048 /* Call object.__init__(self) now. */ |
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2049 /* XXX Could call super(type, cls).__init__() but what's the point? */ |
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2050 args = PyTuple_GetSlice(args, 0, 0); |
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2051 res = object_init(cls, args, NULL); |
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2052 Py_DECREF(args); |
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2053 return res; |
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2054 } |
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2055 |
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19616
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2056 static PyObject * |
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2057 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds) |
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2058 { |
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2059 PyObject *name, *bases, *dict; |
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2060 static char *kwlist[] = {"name", "bases", "dict", 0}; |
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2061 PyObject *slots, *tmp, *newslots; |
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2062 PyTypeObject *type, *base, *tmptype, *winner; |
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2063 PyHeapTypeObject *et; |
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2064 PyMemberDef *mp; |
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2065 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak; |
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2066 int j, may_add_dict, may_add_weak; |
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2067 |
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2068 assert(args != NULL && PyTuple_Check(args)); |
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2069 assert(kwds == NULL || PyDict_Check(kwds)); |
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2070 |
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2071 /* Special case: type(x) should return x->ob_type */ |
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2072 { |
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2073 const Py_ssize_t nargs = PyTuple_GET_SIZE(args); |
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2074 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds); |
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2075 |
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2076 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) { |
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2077 PyObject *x = PyTuple_GET_ITEM(args, 0); |
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2078 Py_INCREF(Py_TYPE(x)); |
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2079 return (PyObject *) Py_TYPE(x); |
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2080 } |
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2081 |
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2082 /* SF bug 475327 -- if that didn't trigger, we need 3 |
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2083 arguments. but PyArg_ParseTupleAndKeywords below may give |
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2084 a msg saying type() needs exactly 3. */ |
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2085 if (nargs + nkwds != 3) { |
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2086 PyErr_SetString(PyExc_TypeError, |
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2087 "type() takes 1 or 3 arguments"); |
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2088 return NULL; |
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2089 } |
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2090 } |
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2091 |
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2092 /* Check arguments: (name, bases, dict) */ |
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2093 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SO!O!:type", kwlist, |
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2094 &name, |
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2095 &PyTuple_Type, &bases, |
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2096 &PyDict_Type, &dict)) |
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2097 return NULL; |
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2098 |
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2099 /* Determine the proper metatype to deal with this, |
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2100 and check for metatype conflicts while we're at it. |
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2101 Note that if some other metatype wins to contract, |
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2102 it's possible that its instances are not types. */ |
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2103 nbases = PyTuple_GET_SIZE(bases); |
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2104 winner = metatype; |
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2105 for (i = 0; i < nbases; i++) { |
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2106 tmp = PyTuple_GET_ITEM(bases, i); |
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2107 tmptype = tmp->ob_type; |
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2108 if (tmptype == &PyClass_Type) |
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2109 continue; /* Special case classic classes */ |
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2110 if (PyType_IsSubtype(winner, tmptype)) |
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|
2111 continue; |
|
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|
2112 if (PyType_IsSubtype(tmptype, winner)) { |
|
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|
2113 winner = tmptype; |
|
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|
2114 continue; |
|
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|
2115 } |
|
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|
2116 PyErr_SetString(PyExc_TypeError, |
|
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|
2117 "metaclass conflict: " |
|
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|
2118 "the metaclass of a derived class " |
|
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|
2119 "must be a (non-strict) subclass " |
|
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|
2120 "of the metaclasses of all its bases"); |
|
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|
2121 return NULL; |
|
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|
2122 } |
|
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|
2123 if (winner != metatype) { |
|
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|
2124 if (winner->tp_new != type_new) /* Pass it to the winner */ |
|
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|
2125 return winner->tp_new(winner, args, kwds); |
|
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2126 metatype = winner; |
|
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2127 } |
|
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2128 |
|
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|
2129 /* Adjust for empty tuple bases */ |
|
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2130 if (nbases == 0) { |
|
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2131 bases = PyTuple_Pack(1, &PyBaseObject_Type); |
|
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2132 if (bases == NULL) |
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|
2133 return NULL; |
|
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2134 nbases = 1; |
|
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2135 } |
|
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2136 else |
|
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|
2137 Py_INCREF(bases); |
|
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2138 |
|
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2139 /* XXX From here until type is allocated, "return NULL" leaks bases! */ |
|
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2140 |
|
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|
2141 /* Calculate best base, and check that all bases are type objects */ |
|
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|
2142 base = best_base(bases); |
|
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2143 if (base == NULL) { |
|
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2144 Py_DECREF(bases); |
|
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2145 return NULL; |
|
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2146 } |
|
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2147 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) { |
|
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|
2148 PyErr_Format(PyExc_TypeError, |
|
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2149 "type '%.100s' is not an acceptable base type", |
|
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2150 base->tp_name); |
|
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2151 Py_DECREF(bases); |
|
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2152 return NULL; |
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2153 } |
|
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2154 |
|
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2155 /* Check for a __slots__ sequence variable in dict, and count it */ |
|
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2156 slots = PyDict_GetItemString(dict, "__slots__"); |
|
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2157 nslots = 0; |
|
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2158 add_dict = 0; |
|
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2159 add_weak = 0; |
|
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2160 may_add_dict = base->tp_dictoffset == 0; |
|
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2161 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0; |
|
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2162 if (slots == NULL) { |
|
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2163 if (may_add_dict) { |
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2164 add_dict++; |
|
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2165 } |
|
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2166 if (may_add_weak) { |
|
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2167 add_weak++; |
|
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2168 } |
|
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2169 } |
|
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2170 else { |
|
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|
2171 /* Have slots */ |
|
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2172 |
|
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|
2173 /* Make it into a tuple */ |
|
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2174 if (PyString_Check(slots) || PyUnicode_Check(slots)) |
|
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2175 slots = PyTuple_Pack(1, slots); |
|
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2176 else |
|
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|
2177 slots = PySequence_Tuple(slots); |
|
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|
2178 if (slots == NULL) { |
|
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|
2179 Py_DECREF(bases); |
|
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|
2180 return NULL; |
|
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2181 } |
|
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|
2182 assert(PyTuple_Check(slots)); |
|
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|
2183 |
|
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|
2184 /* Are slots allowed? */ |
|
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|
2185 nslots = PyTuple_GET_SIZE(slots); |
|
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2186 if (nslots > 0 && base->tp_itemsize != 0) { |
|
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|
2187 PyErr_Format(PyExc_TypeError, |
|
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|
2188 "nonempty __slots__ " |
|
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|
2189 "not supported for subtype of '%s'", |
|
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|
2190 base->tp_name); |
|
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2191 bad_slots: |
|
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|
2192 Py_DECREF(bases); |
|
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|
2193 Py_DECREF(slots); |
|
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2194 return NULL; |
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|
2195 } |
|
24761
e0431d9c4474
Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents:
24728
diff
changeset
|
2196 |
|
25792
a3d612f0563f
Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents:
24867
diff
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|
2197 #ifdef Py_USING_UNICODE |
|
61465
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2198 tmp = _unicode_to_string(slots, nslots); |
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|
2199 if (tmp == NULL) |
|
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2200 goto bad_slots; |
|
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|
2201 if (tmp != slots) { |
|
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|
2202 Py_DECREF(slots); |
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2203 slots = tmp; |
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2204 } |
|
25792
a3d612f0563f
Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents:
24867
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|
2205 #endif |
|
61465
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2206 /* Check for valid slot names and two special cases */ |
|
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2207 for (i = 0; i < nslots; i++) { |
|
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|
2208 PyObject *tmp = PyTuple_GET_ITEM(slots, i); |
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2209 char *s; |
|
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2210 if (!valid_identifier(tmp)) |
|
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2211 goto bad_slots; |
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|
2212 assert(PyString_Check(tmp)); |
|
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2213 s = PyString_AS_STRING(tmp); |
|
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2214 if (strcmp(s, "__dict__") == 0) { |
|
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2215 if (!may_add_dict || add_dict) { |
|
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2216 PyErr_SetString(PyExc_TypeError, |
|
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2217 "__dict__ slot disallowed: " |
|
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2218 "we already got one"); |
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|
2219 goto bad_slots; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
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|
2220 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2221 add_dict++; |
|
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|
2222 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2223 if (strcmp(s, "__weakref__") == 0) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2224 if (!may_add_weak || add_weak) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2225 PyErr_SetString(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2226 "__weakref__ slot disallowed: " |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2227 "either we already got one, " |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2228 "or __itemsize__ != 0"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2229 goto bad_slots; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2230 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2231 add_weak++; |
|
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|
2232 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2233 } |
|
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|
2234 |
|
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changeset
|
2235 /* Copy slots into a list, mangle names and sort them. |
|
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changeset
|
2236 Sorted names are needed for __class__ assignment. |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2237 Convert them back to tuple at the end. |
|
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|
2238 */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2239 newslots = PyList_New(nslots - add_dict - add_weak); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2240 if (newslots == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2241 goto bad_slots; |
|
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diff
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|
2242 for (i = j = 0; i < nslots; i++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2243 char *s; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2244 tmp = PyTuple_GET_ITEM(slots, i); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2245 s = PyString_AS_STRING(tmp); |
|
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Recorded merge of revisions 81029 via svnmerge from
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2246 if ((add_dict && strcmp(s, "__dict__") == 0) || |
|
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|
2247 (add_weak && strcmp(s, "__weakref__") == 0)) |
|
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|
2248 continue; |
|
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changeset
|
2249 tmp =_Py_Mangle(name, tmp); |
|
71890
b4ccf8e1fdba
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents:
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|
2250 if (!tmp) { |
|
b4ccf8e1fdba
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
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diff
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|
2251 Py_DECREF(newslots); |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
2252 goto bad_slots; |
|
71890
b4ccf8e1fdba
fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2253 } |
|
61465
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|
2254 PyList_SET_ITEM(newslots, j, tmp); |
|
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|
2255 j++; |
|
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|
2256 } |
|
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|
2257 assert(j == nslots - add_dict - add_weak); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
2258 nslots = j; |
|
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|
2259 Py_DECREF(slots); |
|
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|
2260 if (PyList_Sort(newslots) == -1) { |
|
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|
2261 Py_DECREF(bases); |
|
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|
2262 Py_DECREF(newslots); |
|
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|
2263 return NULL; |
|
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|
2264 } |
|
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|
2265 slots = PyList_AsTuple(newslots); |
|
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|
2266 Py_DECREF(newslots); |
|
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|
2267 if (slots == NULL) { |
|
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|
2268 Py_DECREF(bases); |
|
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|
2269 return NULL; |
|
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|
2270 } |
|
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|
2271 |
|
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|
2272 /* Secondary bases may provide weakrefs or dict */ |
|
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|
2273 if (nbases > 1 && |
|
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|
2274 ((may_add_dict && !add_dict) || |
|
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|
2275 (may_add_weak && !add_weak))) { |
|
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|
2276 for (i = 0; i < nbases; i++) { |
|
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|
2277 tmp = PyTuple_GET_ITEM(bases, i); |
|
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|
2278 if (tmp == (PyObject *)base) |
|
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|
2279 continue; /* Skip primary base */ |
|
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|
2280 if (PyClass_Check(tmp)) { |
|
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|
2281 /* Classic base class provides both */ |
|
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|
2282 if (may_add_dict && !add_dict) |
|
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|
2283 add_dict++; |
|
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|
2284 if (may_add_weak && !add_weak) |
|
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|
2285 add_weak++; |
|
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|
2286 break; |
|
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|
2287 } |
|
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|
2288 assert(PyType_Check(tmp)); |
|
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|
2289 tmptype = (PyTypeObject *)tmp; |
|
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|
2290 if (may_add_dict && !add_dict && |
|
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|
2291 tmptype->tp_dictoffset != 0) |
|
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|
2292 add_dict++; |
|
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|
2293 if (may_add_weak && !add_weak && |
|
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|
2294 tmptype->tp_weaklistoffset != 0) |
|
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|
2295 add_weak++; |
|
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|
2296 if (may_add_dict && !add_dict) |
|
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|
2297 continue; |
|
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|
2298 if (may_add_weak && !add_weak) |
|
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|
2299 continue; |
|
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|
2300 /* Nothing more to check */ |
|
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|
2301 break; |
|
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|
2302 } |
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2303 } |
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2304 } |
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|
2305 |
|
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|
2306 /* XXX From here until type is safely allocated, |
|
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|
2307 "return NULL" may leak slots! */ |
|
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2308 |
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|
2309 /* Allocate the type object */ |
|
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2310 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots); |
|
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2311 if (type == NULL) { |
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|
2312 Py_XDECREF(slots); |
|
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|
2313 Py_DECREF(bases); |
|
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|
2314 return NULL; |
|
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2315 } |
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2316 |
|
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|
2317 /* Keep name and slots alive in the extended type object */ |
|
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|
2318 et = (PyHeapTypeObject *)type; |
|
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|
2319 Py_INCREF(name); |
|
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|
2320 et->ht_name = name; |
|
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|
2321 et->ht_slots = slots; |
|
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2322 |
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|
2323 /* Initialize tp_flags */ |
|
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|
2324 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE | |
|
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|
2325 Py_TPFLAGS_BASETYPE; |
|
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|
2326 if (base->tp_flags & Py_TPFLAGS_HAVE_GC) |
|
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|
2327 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
|
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fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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2328 if (base->tp_flags & Py_TPFLAGS_HAVE_NEWBUFFER) |
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2329 type->tp_flags |= Py_TPFLAGS_HAVE_NEWBUFFER; |
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61465
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2330 |
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2331 /* It's a new-style number unless it specifically inherits any |
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2332 old-style numeric behavior */ |
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2333 if ((base->tp_flags & Py_TPFLAGS_CHECKTYPES) || |
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2334 (base->tp_as_number == NULL)) |
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2335 type->tp_flags |= Py_TPFLAGS_CHECKTYPES; |
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2336 |
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2337 /* Initialize essential fields */ |
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2338 type->tp_as_number = &et->as_number; |
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2339 type->tp_as_sequence = &et->as_sequence; |
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2340 type->tp_as_mapping = &et->as_mapping; |
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2341 type->tp_as_buffer = &et->as_buffer; |
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2342 type->tp_name = PyString_AS_STRING(name); |
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2343 |
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2344 /* Set tp_base and tp_bases */ |
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2345 type->tp_bases = bases; |
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2346 Py_INCREF(base); |
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2347 type->tp_base = base; |
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2348 |
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2349 /* Initialize tp_dict from passed-in dict */ |
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2350 type->tp_dict = dict = PyDict_Copy(dict); |
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2351 if (dict == NULL) { |
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2352 Py_DECREF(type); |
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2353 return NULL; |
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2354 } |
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2355 |
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2356 /* Set __module__ in the dict */ |
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2357 if (PyDict_GetItemString(dict, "__module__") == NULL) { |
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2358 tmp = PyEval_GetGlobals(); |
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2359 if (tmp != NULL) { |
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2360 tmp = PyDict_GetItemString(tmp, "__name__"); |
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2361 if (tmp != NULL) { |
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2362 if (PyDict_SetItemString(dict, "__module__", |
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2363 tmp) < 0) |
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2364 return NULL; |
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2365 } |
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2366 } |
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2367 } |
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2368 |
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2369 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there |
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2370 and is a string. The __doc__ accessor will first look for tp_doc; |
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2371 if that fails, it will still look into __dict__. |
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2372 */ |
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2373 { |
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2374 PyObject *doc = PyDict_GetItemString(dict, "__doc__"); |
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2375 if (doc != NULL && PyString_Check(doc)) { |
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2376 const size_t n = (size_t)PyString_GET_SIZE(doc); |
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2377 char *tp_doc = (char *)PyObject_MALLOC(n+1); |
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2378 if (tp_doc == NULL) { |
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2379 Py_DECREF(type); |
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2380 return NULL; |
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2381 } |
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2382 memcpy(tp_doc, PyString_AS_STRING(doc), n+1); |
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2383 type->tp_doc = tp_doc; |
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2384 } |
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2385 } |
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2386 |
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2387 /* Special-case __new__: if it's a plain function, |
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2388 make it a static function */ |
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2389 tmp = PyDict_GetItemString(dict, "__new__"); |
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2390 if (tmp != NULL && PyFunction_Check(tmp)) { |
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2391 tmp = PyStaticMethod_New(tmp); |
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2392 if (tmp == NULL) { |
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2393 Py_DECREF(type); |
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2394 return NULL; |
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2395 } |
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2396 PyDict_SetItemString(dict, "__new__", tmp); |
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2397 Py_DECREF(tmp); |
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2398 } |
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2399 |
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2400 /* Add descriptors for custom slots from __slots__, or for __dict__ */ |
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2401 mp = PyHeapType_GET_MEMBERS(et); |
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2402 slotoffset = base->tp_basicsize; |
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2403 if (slots != NULL) { |
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2404 for (i = 0; i < nslots; i++, mp++) { |
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2405 mp->name = PyString_AS_STRING( |
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2406 PyTuple_GET_ITEM(slots, i)); |
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2407 mp->type = T_OBJECT_EX; |
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2408 mp->offset = slotoffset; |
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2409 |
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2410 /* __dict__ and __weakref__ are already filtered out */ |
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2411 assert(strcmp(mp->name, "__dict__") != 0); |
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2412 assert(strcmp(mp->name, "__weakref__") != 0); |
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2413 |
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2414 slotoffset += sizeof(PyObject *); |
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2415 } |
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2416 } |
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2417 if (add_dict) { |
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2418 if (base->tp_itemsize) |
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2419 type->tp_dictoffset = -(long)sizeof(PyObject *); |
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2420 else |
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2421 type->tp_dictoffset = slotoffset; |
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2422 slotoffset += sizeof(PyObject *); |
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2423 } |
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2424 if (add_weak) { |
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2425 assert(!base->tp_itemsize); |
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2426 type->tp_weaklistoffset = slotoffset; |
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2427 slotoffset += sizeof(PyObject *); |
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2428 } |
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2429 type->tp_basicsize = slotoffset; |
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2430 type->tp_itemsize = base->tp_itemsize; |
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2431 type->tp_members = PyHeapType_GET_MEMBERS(et); |
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2432 |
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2433 if (type->tp_weaklistoffset && type->tp_dictoffset) |
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2434 type->tp_getset = subtype_getsets_full; |
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2435 else if (type->tp_weaklistoffset && !type->tp_dictoffset) |
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2436 type->tp_getset = subtype_getsets_weakref_only; |
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2437 else if (!type->tp_weaklistoffset && type->tp_dictoffset) |
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2438 type->tp_getset = subtype_getsets_dict_only; |
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2439 else |
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2440 type->tp_getset = NULL; |
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2441 |
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2442 /* Special case some slots */ |
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2443 if (type->tp_dictoffset != 0 || nslots > 0) { |
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2444 if (base->tp_getattr == NULL && base->tp_getattro == NULL) |
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2445 type->tp_getattro = PyObject_GenericGetAttr; |
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2446 if (base->tp_setattr == NULL && base->tp_setattro == NULL) |
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2447 type->tp_setattro = PyObject_GenericSetAttr; |
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2448 } |
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2449 type->tp_dealloc = subtype_dealloc; |
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2450 |
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2451 /* Enable GC unless there are really no instance variables possible */ |
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2452 if (!(type->tp_basicsize == sizeof(PyObject) && |
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2453 type->tp_itemsize == 0)) |
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2454 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
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2455 |
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2456 /* Always override allocation strategy to use regular heap */ |
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2457 type->tp_alloc = PyType_GenericAlloc; |
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2458 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) { |
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2459 type->tp_free = PyObject_GC_Del; |
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2460 type->tp_traverse = subtype_traverse; |
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2461 type->tp_clear = subtype_clear; |
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2462 } |
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2463 else |
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2464 type->tp_free = PyObject_Del; |
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2465 |
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2466 /* Initialize the rest */ |
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2467 if (PyType_Ready(type) < 0) { |
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2468 Py_DECREF(type); |
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2469 return NULL; |
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2470 } |
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2471 |
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2472 /* Put the proper slots in place */ |
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2473 fixup_slot_dispatchers(type); |
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2474 |
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2475 return (PyObject *)type; |
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2476 } |
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2477 |
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2478 /* Internal API to look for a name through the MRO. |
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2479 This returns a borrowed reference, and doesn't set an exception! */ |
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2480 PyObject * |
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2481 _PyType_Lookup(PyTypeObject *type, PyObject *name) |
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2482 { |
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2483 Py_ssize_t i, n; |
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2484 PyObject *mro, *res, *base, *dict; |
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2485 unsigned int h; |
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2486 |
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2487 if (MCACHE_CACHEABLE_NAME(name) && |
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2488 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) { |
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2489 /* fast path */ |
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2490 h = MCACHE_HASH_METHOD(type, name); |
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2491 if (method_cache[h].version == type->tp_version_tag && |
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2492 method_cache[h].name == name) |
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2493 return method_cache[h].value; |
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2494 } |
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2495 |
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2496 /* Look in tp_dict of types in MRO */ |
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2497 mro = type->tp_mro; |
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2498 |
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2499 /* If mro is NULL, the type is either not yet initialized |
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2500 by PyType_Ready(), or already cleared by type_clear(). |
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2501 Either way the safest thing to do is to return NULL. */ |
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2502 if (mro == NULL) |
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2503 return NULL; |
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2504 |
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2505 res = NULL; |
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2506 assert(PyTuple_Check(mro)); |
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2507 n = PyTuple_GET_SIZE(mro); |
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2508 for (i = 0; i < n; i++) { |
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2509 base = PyTuple_GET_ITEM(mro, i); |
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2510 if (PyClass_Check(base)) |
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2511 dict = ((PyClassObject *)base)->cl_dict; |
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2512 else { |
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2513 assert(PyType_Check(base)); |
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2514 dict = ((PyTypeObject *)base)->tp_dict; |
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2515 } |
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2516 assert(dict && PyDict_Check(dict)); |
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2517 res = PyDict_GetItem(dict, name); |
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2518 if (res != NULL) |
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2519 break; |
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2520 } |
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2521 |
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2522 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) { |
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2523 h = MCACHE_HASH_METHOD(type, name); |
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2524 method_cache[h].version = type->tp_version_tag; |
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2525 method_cache[h].value = res; /* borrowed */ |
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2526 Py_INCREF(name); |
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2527 Py_DECREF(method_cache[h].name); |
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2528 method_cache[h].name = name; |
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2529 } |
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2530 return res; |
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2531 } |
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2532 |
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2533 /* This is similar to PyObject_GenericGetAttr(), |
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2534 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */ |
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2535 static PyObject * |
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2536 type_getattro(PyTypeObject *type, PyObject *name) |
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2537 { |
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2538 PyTypeObject *metatype = Py_TYPE(type); |
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2539 PyObject *meta_attribute, *attribute; |
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2540 descrgetfunc meta_get; |
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2541 |
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2542 if (!PyString_Check(name)) { |
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2543 PyErr_Format(PyExc_TypeError, |
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2544 "attribute name must be string, not '%.200s'", |
|
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|
2545 name->ob_type->tp_name); |
|
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|
2546 return NULL; |
|
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|
2547 } |
|
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|
2548 |
|
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|
2549 /* Initialize this type (we'll assume the metatype is initialized) */ |
|
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|
2550 if (type->tp_dict == NULL) { |
|
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|
2551 if (PyType_Ready(type) < 0) |
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|
2552 return NULL; |
|
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2553 } |
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2554 |
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|
2555 /* No readable descriptor found yet */ |
|
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|
2556 meta_get = NULL; |
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|
2557 |
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|
2558 /* Look for the attribute in the metatype */ |
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|
2559 meta_attribute = _PyType_Lookup(metatype, name); |
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2560 |
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|
2561 if (meta_attribute != NULL) { |
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2562 meta_get = Py_TYPE(meta_attribute)->tp_descr_get; |
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2563 |
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2564 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) { |
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2565 /* Data descriptors implement tp_descr_set to intercept |
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2566 * writes. Assume the attribute is not overridden in |
|
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2567 * type's tp_dict (and bases): call the descriptor now. |
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2568 */ |
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2569 return meta_get(meta_attribute, (PyObject *)type, |
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2570 (PyObject *)metatype); |
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2571 } |
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|
2572 Py_INCREF(meta_attribute); |
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2573 } |
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2574 |
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2575 /* No data descriptor found on metatype. Look in tp_dict of this |
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|
2576 * type and its bases */ |
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2577 attribute = _PyType_Lookup(type, name); |
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2578 if (attribute != NULL) { |
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2579 /* Implement descriptor functionality, if any */ |
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2580 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get; |
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2581 |
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|
2582 Py_XDECREF(meta_attribute); |
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2583 |
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2584 if (local_get != NULL) { |
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|
2585 /* NULL 2nd argument indicates the descriptor was |
|
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2586 * found on the target object itself (or a base) */ |
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2587 return local_get(attribute, (PyObject *)NULL, |
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2588 (PyObject *)type); |
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2589 } |
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2590 |
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|
2591 Py_INCREF(attribute); |
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2592 return attribute; |
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2593 } |
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2594 |
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2595 /* No attribute found in local __dict__ (or bases): use the |
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2596 * descriptor from the metatype, if any */ |
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2597 if (meta_get != NULL) { |
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|
2598 PyObject *res; |
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2599 res = meta_get(meta_attribute, (PyObject *)type, |
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2600 (PyObject *)metatype); |
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2601 Py_DECREF(meta_attribute); |
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2602 return res; |
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2603 } |
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2604 |
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2605 /* If an ordinary attribute was found on the metatype, return it now */ |
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2606 if (meta_attribute != NULL) { |
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2607 return meta_attribute; |
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2608 } |
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2609 |
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2610 /* Give up */ |
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2611 PyErr_Format(PyExc_AttributeError, |
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2612 "type object '%.50s' has no attribute '%.400s'", |
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2613 type->tp_name, PyString_AS_STRING(name)); |
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2614 return NULL; |
|
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2615 } |
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2616 |
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2617 static int |
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2618 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value) |
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2619 { |
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2620 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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2621 PyErr_Format( |
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2622 PyExc_TypeError, |
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2623 "can't set attributes of built-in/extension type '%s'", |
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2624 type->tp_name); |
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2625 return -1; |
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2626 } |
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2627 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0) |
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2628 return -1; |
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2629 return update_slot(type, name); |
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2630 } |
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2631 |
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2632 static void |
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2633 type_dealloc(PyTypeObject *type) |
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2634 { |
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2635 PyHeapTypeObject *et; |
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2636 |
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2637 /* Assert this is a heap-allocated type object */ |
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2638 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2639 _PyObject_GC_UNTRACK(type); |
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2640 PyObject_ClearWeakRefs((PyObject *)type); |
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2641 et = (PyHeapTypeObject *)type; |
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2642 Py_XDECREF(type->tp_base); |
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2643 Py_XDECREF(type->tp_dict); |
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2644 Py_XDECREF(type->tp_bases); |
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2645 Py_XDECREF(type->tp_mro); |
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2646 Py_XDECREF(type->tp_cache); |
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2647 Py_XDECREF(type->tp_subclasses); |
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2648 /* A type's tp_doc is heap allocated, unlike the tp_doc slots |
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2649 * of most other objects. It's okay to cast it to char *. |
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2650 */ |
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2651 PyObject_Free((char *)type->tp_doc); |
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2652 Py_XDECREF(et->ht_name); |
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2653 Py_XDECREF(et->ht_slots); |
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|
2654 Py_TYPE(type)->tp_free((PyObject *)type); |
|
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2655 } |
|
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2656 |
|
20315
7b41f7a2e528
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parents:
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|
2657 static PyObject * |
|
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2658 type_subclasses(PyTypeObject *type, PyObject *args_ignored) |
|
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2659 { |
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61465
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2660 PyObject *list, *raw, *ref; |
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2661 Py_ssize_t i, n; |
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2662 |
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2663 list = PyList_New(0); |
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2664 if (list == NULL) |
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2665 return NULL; |
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2666 raw = type->tp_subclasses; |
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2667 if (raw == NULL) |
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2668 return list; |
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2669 assert(PyList_Check(raw)); |
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2670 n = PyList_GET_SIZE(raw); |
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2671 for (i = 0; i < n; i++) { |
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2672 ref = PyList_GET_ITEM(raw, i); |
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2673 assert(PyWeakref_CheckRef(ref)); |
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2674 ref = PyWeakref_GET_OBJECT(ref); |
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2675 if (ref != Py_None) { |
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2676 if (PyList_Append(list, ref) < 0) { |
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2677 Py_DECREF(list); |
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2678 return NULL; |
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2679 } |
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2680 } |
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2681 } |
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2682 return list; |
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2683 } |
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2684 |
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2685 static PyMethodDef type_methods[] = { |
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2686 {"mro", (PyCFunction)mro_external, METH_NOARGS, |
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2687 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")}, |
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2688 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS, |
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2689 PyDoc_STR("__subclasses__() -> list of immediate subclasses")}, |
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2690 {"__instancecheck__", type___instancecheck__, METH_O, |
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2691 PyDoc_STR("__instancecheck__() -> bool\ncheck if an object is an instance")}, |
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2692 {"__subclasscheck__", type___subclasscheck__, METH_O, |
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2693 PyDoc_STR("__subclasscheck__() -> bool\ncheck if a class is a subclass")}, |
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2694 {0} |
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2695 }; |
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2696 |
|
23832
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2697 PyDoc_STRVAR(type_doc, |
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2698 "type(object) -> the object's type\n" |
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2699 "type(name, bases, dict) -> a new type"); |
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2700 |
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2701 static int |
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2702 type_traverse(PyTypeObject *type, visitproc visit, void *arg) |
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2703 { |
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2704 /* Because of type_is_gc(), the collector only calls this |
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2705 for heaptypes. */ |
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2706 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2707 |
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2708 Py_VISIT(type->tp_dict); |
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2709 Py_VISIT(type->tp_cache); |
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2710 Py_VISIT(type->tp_mro); |
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2711 Py_VISIT(type->tp_bases); |
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2712 Py_VISIT(type->tp_base); |
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2713 |
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2714 /* There's no need to visit type->tp_subclasses or |
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2715 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved |
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2716 in cycles; tp_subclasses is a list of weak references, |
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2717 and slots is a tuple of strings. */ |
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2718 |
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2719 return 0; |
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2720 } |
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2721 |
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2722 static int |
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2723 type_clear(PyTypeObject *type) |
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2724 { |
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2725 /* Because of type_is_gc(), the collector only calls this |
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2726 for heaptypes. */ |
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2727 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE); |
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2728 |
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2729 /* We need to invalidate the method cache carefully before clearing |
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2730 the dict, so that other objects caught in a reference cycle |
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2731 don't start calling destroyed methods. |
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2732 |
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2733 Otherwise, the only field we need to clear is tp_mro, which is |
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2734 part of a hard cycle (its first element is the class itself) that |
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2735 won't be broken otherwise (it's a tuple and tuples don't have a |
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2736 tp_clear handler). None of the other fields need to be |
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2737 cleared, and here's why: |
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2738 |
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2739 tp_cache: |
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2740 Not used; if it were, it would be a dict. |
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2741 |
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2742 tp_bases, tp_base: |
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2743 If these are involved in a cycle, there must be at least |
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2744 one other, mutable object in the cycle, e.g. a base |
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2745 class's dict; the cycle will be broken that way. |
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2746 |
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2747 tp_subclasses: |
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2748 A list of weak references can't be part of a cycle; and |
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2749 lists have their own tp_clear. |
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2750 |
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2751 slots (in PyHeapTypeObject): |
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2752 A tuple of strings can't be part of a cycle. |
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2753 */ |
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2754 |
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2755 PyType_Modified(type); |
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2756 if (type->tp_dict) |
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2757 PyDict_Clear(type->tp_dict); |
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2758 Py_CLEAR(type->tp_mro); |
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2759 |
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2760 return 0; |
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2761 } |
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2762 |
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2763 static int |
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2764 type_is_gc(PyTypeObject *type) |
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2765 { |
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61465
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2766 return type->tp_flags & Py_TPFLAGS_HEAPTYPE; |
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2767 } |
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2768 |
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5396
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2769 PyTypeObject PyType_Type = { |
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2770 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
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2771 "type", /* tp_name */ |
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2772 sizeof(PyHeapTypeObject), /* tp_basicsize */ |
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2773 sizeof(PyMemberDef), /* tp_itemsize */ |
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2774 (destructor)type_dealloc, /* tp_dealloc */ |
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2775 0, /* tp_print */ |
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2776 0, /* tp_getattr */ |
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2777 0, /* tp_setattr */ |
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2778 0, /* tp_compare */ |
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2779 (reprfunc)type_repr, /* tp_repr */ |
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2780 0, /* tp_as_number */ |
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2781 0, /* tp_as_sequence */ |
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2782 0, /* tp_as_mapping */ |
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2783 (hashfunc)_Py_HashPointer, /* tp_hash */ |
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2784 (ternaryfunc)type_call, /* tp_call */ |
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2785 0, /* tp_str */ |
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2786 (getattrofunc)type_getattro, /* tp_getattro */ |
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2787 (setattrofunc)type_setattro, /* tp_setattro */ |
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2788 0, /* tp_as_buffer */ |
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2789 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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2790 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */ |
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2791 type_doc, /* tp_doc */ |
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2792 (traverseproc)type_traverse, /* tp_traverse */ |
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2793 (inquiry)type_clear, /* tp_clear */ |
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2794 type_richcompare, /* tp_richcompare */ |
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2795 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */ |
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2796 0, /* tp_iter */ |
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2797 0, /* tp_iternext */ |
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2798 type_methods, /* tp_methods */ |
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2799 type_members, /* tp_members */ |
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2800 type_getsets, /* tp_getset */ |
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2801 0, /* tp_base */ |
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2802 0, /* tp_dict */ |
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2803 0, /* tp_descr_get */ |
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2804 0, /* tp_descr_set */ |
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2805 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */ |
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2806 type_init, /* tp_init */ |
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2807 0, /* tp_alloc */ |
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2808 type_new, /* tp_new */ |
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2809 PyObject_GC_Del, /* tp_free */ |
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2810 (inquiry)type_is_gc, /* tp_is_gc */ |
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18933
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2811 }; |
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2812 |
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2813 |
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2814 /* The base type of all types (eventually)... except itself. */ |
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2815 |
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41281
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2816 /* You may wonder why object.__new__() only complains about arguments |
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2817 when object.__init__() is not overridden, and vice versa. |
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2818 |
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2819 Consider the use cases: |
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2820 |
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2821 1. When neither is overridden, we want to hear complaints about |
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2822 excess (i.e., any) arguments, since their presence could |
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2823 indicate there's a bug. |
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2824 |
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2825 2. When defining an Immutable type, we are likely to override only |
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2826 __new__(), since __init__() is called too late to initialize an |
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2827 Immutable object. Since __new__() defines the signature for the |
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2828 type, it would be a pain to have to override __init__() just to |
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2829 stop it from complaining about excess arguments. |
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2830 |
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8debce2c4fb1
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2831 3. When defining a Mutable type, we are likely to override only |
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2832 __init__(). So here the converse reasoning applies: we don't |
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2833 want to have to override __new__() just to stop it from |
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2834 complaining. |
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2835 |
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2836 4. When __init__() is overridden, and the subclass __init__() calls |
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2837 object.__init__(), the latter should complain about excess |
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2838 arguments; ditto for __new__(). |
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2839 |
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2840 Use cases 2 and 3 make it unattractive to unconditionally check for |
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2841 excess arguments. The best solution that addresses all four use |
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2842 cases is as follows: __init__() complains about excess arguments |
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2843 unless __new__() is overridden and __init__() is not overridden |
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2844 (IOW, if __init__() is overridden or __new__() is not overridden); |
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2845 symmetrically, __new__() complains about excess arguments unless |
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2846 __init__() is overridden and __new__() is not overridden |
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2847 (IOW, if __new__() is overridden or __init__() is not overridden). |
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2848 |
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2849 However, for backwards compatibility, this breaks too much code. |
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2850 Therefore, in 2.6, we'll *warn* about excess arguments when both |
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2851 methods are overridden; for all other cases we'll use the above |
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2852 rules. |
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2853 |
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2854 */ |
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2855 |
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2856 /* Forward */ |
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2857 static PyObject * |
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2858 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds); |
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2859 |
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2860 static int |
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2861 excess_args(PyObject *args, PyObject *kwds) |
|
8debce2c4fb1
- Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents:
41212
diff
changeset
|
2862 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2863 return PyTuple_GET_SIZE(args) || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2864 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds)); |
|
41281
8debce2c4fb1
- Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents:
41212
diff
changeset
|
2865 } |
|
8debce2c4fb1
- Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents:
41212
diff
changeset
|
2866 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2867 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2868 object_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2869 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2870 int err = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2871 if (excess_args(args, kwds)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2872 PyTypeObject *type = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2873 if (type->tp_init != object_init && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2874 type->tp_new != object_new) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2875 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2876 err = PyErr_WarnEx(PyExc_DeprecationWarning, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2877 "object.__init__() takes no parameters", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2878 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2879 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2880 else if (type->tp_init != object_init || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2881 type->tp_new == object_new) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2882 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2883 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2884 "object.__init__() takes no parameters"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2885 err = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2886 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2887 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2888 return err; |
|
41281
8debce2c4fb1
- Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents:
41212
diff
changeset
|
2889 } |
|
8debce2c4fb1
- Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents:
41212
diff
changeset
|
2890 |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2891 static PyObject * |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2892 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2893 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2894 int err = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2895 if (excess_args(args, kwds)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2896 if (type->tp_new != object_new && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2897 type->tp_init != object_init) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2898 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2899 err = PyErr_WarnEx(PyExc_DeprecationWarning, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2900 "object.__new__() takes no parameters", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2901 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2902 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2903 else if (type->tp_new != object_new || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2904 type->tp_init == object_init) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2905 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2906 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2907 "object.__new__() takes no parameters"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2908 err = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2909 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2910 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2911 if (err < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2912 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2913 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2914 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2915 static PyObject *comma = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2916 PyObject *abstract_methods = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2917 PyObject *builtins; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2918 PyObject *sorted; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2919 PyObject *sorted_methods = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2920 PyObject *joined = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2921 const char *joined_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2922 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2923 /* Compute ", ".join(sorted(type.__abstractmethods__)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2924 into joined. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2925 abstract_methods = type_abstractmethods(type, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2926 if (abstract_methods == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2927 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2928 builtins = PyEval_GetBuiltins(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2929 if (builtins == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2930 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2931 sorted = PyDict_GetItemString(builtins, "sorted"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2932 if (sorted == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2933 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2934 sorted_methods = PyObject_CallFunctionObjArgs(sorted, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2935 abstract_methods, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2936 NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2937 if (sorted_methods == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2938 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2939 if (comma == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2940 comma = PyString_InternFromString(", "); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2941 if (comma == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2942 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2943 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2944 joined = PyObject_CallMethod(comma, "join", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2945 "O", sorted_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2946 if (joined == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2947 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2948 joined_str = PyString_AsString(joined); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2949 if (joined_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2950 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2951 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2952 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2953 "Can't instantiate abstract class %s " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2954 "with abstract methods %s", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2955 type->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2956 joined_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2957 error: |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2958 Py_XDECREF(joined); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2959 Py_XDECREF(sorted_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2960 Py_XDECREF(abstract_methods); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2961 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2962 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2963 return type->tp_alloc(type, 0); |
|
27866
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2964 } |
|
bbbba0ee61fb
SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents:
27831
diff
changeset
|
2965 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2966 static void |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2967 object_dealloc(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2968 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
2969 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
|
2970 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
2971 |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2972 static PyObject * |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
2973 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
|
2974 { |
|
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|
2975 PyTypeObject *type; |
|
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|
2976 PyObject *mod, *name, *rtn; |
|
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|
2977 |
|
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|
2978 type = Py_TYPE(self); |
|
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|
2979 mod = type_module(type, NULL); |
|
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|
2980 if (mod == NULL) |
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|
2981 PyErr_Clear(); |
|
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|
2982 else if (!PyString_Check(mod)) { |
|
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|
2983 Py_DECREF(mod); |
|
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|
2984 mod = NULL; |
|
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|
2985 } |
|
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|
2986 name = type_name(type, NULL); |
|
78965
a1671c795934
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:
78942
diff
changeset
|
2987 if (name == NULL) { |
|
a1671c795934
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:
78942
diff
changeset
|
2988 Py_XDECREF(mod); |
|
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|
2989 return NULL; |
|
78965
a1671c795934
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:
78942
diff
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|
2990 } |
|
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|
2991 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__")) |
|
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2992 rtn = PyString_FromFormat("<%s.%s object at %p>", |
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|
2993 PyString_AS_STRING(mod), |
|
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|
2994 PyString_AS_STRING(name), |
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|
2995 self); |
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|
2996 else |
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|
2997 rtn = PyString_FromFormat("<%s object at %p>", |
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|
2998 type->tp_name, self); |
|
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|
2999 Py_XDECREF(mod); |
|
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|
3000 Py_DECREF(name); |
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|
3001 return rtn; |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
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|
3002 } |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
changeset
|
3003 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3004 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
3005 object_str(PyObject *self) |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
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|
3006 { |
|
61465
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|
3007 unaryfunc f; |
|
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3008 |
|
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|
3009 f = Py_TYPE(self)->tp_repr; |
|
76520
e3eda2d91e93
don't use a slot wrapper from a different special method (closes #14658)
Benjamin Peterson <benjamin@python.org>
parents:
75740
diff
changeset
|
3010 if (f == NULL) |
|
61465
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|
3011 f = object_repr; |
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|
3012 return f(self); |
|
19194
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
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|
3013 } |
|
7e9f5c59e9f2
Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents:
19192
diff
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|
3014 |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3015 static PyObject * |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3016 object_get_class(PyObject *self, void *closure) |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
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parents:
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diff
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|
3017 { |
|
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|
3018 Py_INCREF(Py_TYPE(self)); |
|
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|
3019 return (PyObject *)(Py_TYPE(self)); |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3020 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3021 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3022 static int |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3023 equiv_structs(PyTypeObject *a, PyTypeObject *b) |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3024 { |
|
61465
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|
3025 return a == b || |
|
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|
3026 (a != NULL && |
|
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|
3027 b != NULL && |
|
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|
3028 a->tp_basicsize == b->tp_basicsize && |
|
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|
3029 a->tp_itemsize == b->tp_itemsize && |
|
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|
3030 a->tp_dictoffset == b->tp_dictoffset && |
|
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|
3031 a->tp_weaklistoffset == b->tp_weaklistoffset && |
|
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|
3032 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) == |
|
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|
3033 (b->tp_flags & Py_TPFLAGS_HAVE_GC))); |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3034 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3035 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3036 static int |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3037 same_slots_added(PyTypeObject *a, PyTypeObject *b) |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3038 { |
|
61465
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|
3039 PyTypeObject *base = a->tp_base; |
|
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|
3040 Py_ssize_t size; |
|
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|
3041 PyObject *slots_a, *slots_b; |
|
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|
3042 |
|
67646
dd87b0efcdd8
Merged revisions 88063 via svnmerge from
Benjamin Peterson <benjamin@python.org>
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|
3043 assert(base == b->tp_base); |
|
61465
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|
3044 size = base->tp_basicsize; |
|
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3045 if (a->tp_dictoffset == size && b->tp_dictoffset == size) |
|
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|
3046 size += sizeof(PyObject *); |
|
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|
3047 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size) |
|
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|
3048 size += sizeof(PyObject *); |
|
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|
3049 |
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|
3050 /* Check slots compliance */ |
|
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|
3051 slots_a = ((PyHeapTypeObject *)a)->ht_slots; |
|
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3052 slots_b = ((PyHeapTypeObject *)b)->ht_slots; |
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|
3053 if (slots_a && slots_b) { |
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|
3054 if (PyObject_Compare(slots_a, slots_b) != 0) |
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|
3055 return 0; |
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|
3056 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a); |
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3057 } |
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3058 return size == a->tp_basicsize && size == b->tp_basicsize; |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3059 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
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|
3060 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3061 static int |
|
37596
1b078493d538
More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents:
37308
diff
changeset
|
3062 compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr) |
| 26421 | 3063 { |
|
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3064 PyTypeObject *newbase, *oldbase; |
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3065 |
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3066 if (newto->tp_dealloc != oldto->tp_dealloc || |
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|
3067 newto->tp_free != oldto->tp_free) |
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3068 { |
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|
3069 PyErr_Format(PyExc_TypeError, |
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|
3070 "%s assignment: " |
|
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|
3071 "'%s' deallocator differs from '%s'", |
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|
3072 attr, |
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|
3073 newto->tp_name, |
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|
3074 oldto->tp_name); |
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|
3075 return 0; |
|
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3076 } |
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|
3077 newbase = newto; |
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3078 oldbase = oldto; |
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3079 while (equiv_structs(newbase, newbase->tp_base)) |
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changeset
|
3080 newbase = newbase->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3081 while (equiv_structs(oldbase, oldbase->tp_base)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3082 oldbase = oldbase->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3083 if (newbase != oldbase && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3084 (newbase->tp_base != oldbase->tp_base || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
3085 !same_slots_added(newbase, oldbase))) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3086 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3087 "%s assignment: " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3088 "'%s' object layout differs from '%s'", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3089 attr, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3090 newto->tp_name, |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3091 oldto->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3092 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3093 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3094 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3095 return 1; |
| 26421 | 3096 } |
| 3097 | |
| 3098 static int | |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3099 object_set_class(PyObject *self, PyObject *value, void *closure) |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3100 { |
|
61465
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changeset
|
3101 PyTypeObject *oldto = Py_TYPE(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3102 PyTypeObject *newto; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3103 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3104 if (value == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3105 PyErr_SetString(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3106 "can't delete __class__ attribute"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3107 return -1; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3108 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3109 if (!PyType_Check(value)) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3110 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3111 "__class__ must be set to new-style class, not '%s' object", |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3112 Py_TYPE(value)->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3113 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
3114 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3115 newto = (PyTypeObject *)value; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3116 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) || |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3117 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3118 { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3119 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3120 "__class__ assignment: only for heap types"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3121 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3122 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3123 if (compatible_for_assignment(newto, oldto, "__class__")) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3124 Py_INCREF(newto); |
|
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changeset
|
3125 Py_TYPE(self) = newto; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3126 Py_DECREF(oldto); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3127 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3128 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3129 else { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3130 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3131 } |
|
20075
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3132 } |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3133 |
|
aae5cf7e5861
Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents:
20063
diff
changeset
|
3134 static PyGetSetDef object_getsets[] = { |
|
61465
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|
3135 {"__class__", object_get_class, object_set_class, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3136 PyDoc_STR("the object's class")}, |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3137 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3138 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3139 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3140 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3141 /* Stuff to implement __reduce_ex__ for pickle protocols >= 2. |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3142 We fall back to helpers in copy_reg for: |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3143 - pickle protocols < 2 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3144 - calculating the list of slot names (done only once per class) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3145 - the __newobj__ function (which is used as a token but never called) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3146 */ |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3147 |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3148 static PyObject * |
|
46865
b40827eb4b80
Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46573
diff
changeset
|
3149 import_copyreg(void) |
|
b40827eb4b80
Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
46573
diff
changeset
|
3150 { |
|
61465
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changeset
|
3151 static PyObject *copyreg_str; |
|
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|
3152 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3153 if (!copyreg_str) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3154 copyreg_str = PyString_InternFromString("copy_reg"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3155 if (copyreg_str == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3156 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3157 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3158 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3159 return PyImport_Import(copyreg_str); |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3160 } |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3161 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3162 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3163 slotnames(PyObject *cls) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
3164 { |
|
61465
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|
3165 PyObject *clsdict; |
|
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|
3166 PyObject *copyreg; |
|
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changeset
|
3167 PyObject *slotnames; |
|
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|
3168 |
|
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|
3169 if (!PyType_Check(cls)) { |
|
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|
3170 Py_INCREF(Py_None); |
|
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|
3171 return Py_None; |
|
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|
3172 } |
|
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|
3173 |
|
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|
3174 clsdict = ((PyTypeObject *)cls)->tp_dict; |
|
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|
3175 slotnames = PyDict_GetItemString(clsdict, "__slotnames__"); |
|
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|
3176 if (slotnames != NULL && PyList_Check(slotnames)) { |
|
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|
3177 Py_INCREF(slotnames); |
|
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|
3178 return slotnames; |
|
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|
3179 } |
|
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|
3180 |
|
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|
3181 copyreg = import_copyreg(); |
|
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|
3182 if (copyreg == NULL) |
|
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|
3183 return NULL; |
|
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|
3184 |
|
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|
3185 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls); |
|
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|
3186 Py_DECREF(copyreg); |
|
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|
3187 if (slotnames != NULL && |
|
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|
3188 slotnames != Py_None && |
|
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|
3189 !PyList_Check(slotnames)) |
|
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|
3190 { |
|
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|
3191 PyErr_SetString(PyExc_TypeError, |
|
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changeset
|
3192 "copy_reg._slotnames didn't return a list or None"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3193 Py_DECREF(slotnames); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3194 slotnames = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3195 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3196 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3197 return slotnames; |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3198 } |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3199 |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3200 static PyObject * |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3201 reduce_2(PyObject *obj) |
|
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3202 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3203 PyObject *cls, *getnewargs; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3204 PyObject *args = NULL, *args2 = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3205 PyObject *getstate = NULL, *state = NULL, *names = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3206 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3207 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3208 Py_ssize_t i, n; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3209 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3210 cls = PyObject_GetAttrString(obj, "__class__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3211 if (cls == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3212 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3213 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3214 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3215 if (getnewargs != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3216 args = PyObject_CallObject(getnewargs, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3217 Py_DECREF(getnewargs); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3218 if (args != NULL && !PyTuple_Check(args)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3219 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3220 "__getnewargs__ should return a tuple, " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3221 "not '%.200s'", Py_TYPE(args)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3222 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3223 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3224 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3225 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3226 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3227 args = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3228 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3229 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3230 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3231 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3232 getstate = PyObject_GetAttrString(obj, "__getstate__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3233 if (getstate != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3234 state = PyObject_CallObject(getstate, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3235 Py_DECREF(getstate); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3236 if (state == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3237 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3238 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3239 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3240 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3241 state = PyObject_GetAttrString(obj, "__dict__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3242 if (state == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3243 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3244 state = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3245 Py_INCREF(state); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3246 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3247 names = slotnames(cls); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3248 if (names == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3249 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3250 if (names != Py_None) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3251 assert(PyList_Check(names)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3252 slots = PyDict_New(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3253 if (slots == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3254 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3255 n = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3256 /* Can't pre-compute the list size; the list |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3257 is stored on the class so accessible to other |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3258 threads, which may be run by DECREF */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3259 for (i = 0; i < PyList_GET_SIZE(names); i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3260 PyObject *name, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3261 name = PyList_GET_ITEM(names, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3262 value = PyObject_GetAttr(obj, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3263 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3264 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3265 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3266 int err = PyDict_SetItem(slots, name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3267 value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3268 Py_DECREF(value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3269 if (err) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3270 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3271 n++; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3272 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3273 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3274 if (n) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3275 state = Py_BuildValue("(NO)", state, slots); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3276 if (state == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3277 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3278 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3279 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3280 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3281 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3282 if (!PyList_Check(obj)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3283 listitems = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3284 Py_INCREF(listitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3285 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3286 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3287 listitems = PyObject_GetIter(obj); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3288 if (listitems == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3289 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3290 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3291 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3292 if (!PyDict_Check(obj)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3293 dictitems = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3294 Py_INCREF(dictitems); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3295 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3296 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3297 dictitems = PyObject_CallMethod(obj, "iteritems", ""); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3298 if (dictitems == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3299 goto end; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3300 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3301 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3302 copyreg = import_copyreg(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
3303 if (copyreg == NULL) |
|
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|
3304 goto end; |
|
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|
3305 newobj = PyObject_GetAttrString(copyreg, "__newobj__"); |
|
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|
3306 if (newobj == NULL) |
|
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|
3307 goto end; |
|
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|
3308 |
|
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|
3309 n = PyTuple_GET_SIZE(args); |
|
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|
3310 args2 = PyTuple_New(n+1); |
|
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|
3311 if (args2 == NULL) |
|
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|
3312 goto end; |
|
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|
3313 PyTuple_SET_ITEM(args2, 0, cls); |
|
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|
3314 cls = NULL; |
|
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|
3315 for (i = 0; i < n; i++) { |
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|
3316 PyObject *v = PyTuple_GET_ITEM(args, i); |
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|
3317 Py_INCREF(v); |
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|
3318 PyTuple_SET_ITEM(args2, i+1, v); |
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|
3319 } |
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|
3320 |
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|
3321 res = PyTuple_Pack(5, newobj, args2, state, listitems, dictitems); |
|
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Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
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|
3322 |
|
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Implementing the salient parts of __reduce_ex__ in C.
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|
3323 end: |
|
61465
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|
3324 Py_XDECREF(cls); |
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|
3325 Py_XDECREF(args); |
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|
3326 Py_XDECREF(args2); |
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|
3327 Py_XDECREF(slots); |
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|
3328 Py_XDECREF(state); |
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|
3329 Py_XDECREF(names); |
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|
3330 Py_XDECREF(listitems); |
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|
3331 Py_XDECREF(dictitems); |
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|
3332 Py_XDECREF(copyreg); |
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3333 Py_XDECREF(newobj); |
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3334 return res; |
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|
3335 } |
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|
3336 |
|
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|
3337 /* |
|
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|
3338 * There were two problems when object.__reduce__ and object.__reduce_ex__ |
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|
3339 * were implemented in the same function: |
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|
3340 * - trying to pickle an object with a custom __reduce__ method that |
|
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|
3341 * fell back to object.__reduce__ in certain circumstances led to |
|
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3342 * infinite recursion at Python level and eventual RuntimeError. |
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3343 * - Pickling objects that lied about their type by overwriting the |
|
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|
3344 * __class__ descriptor could lead to infinite recursion at C level |
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|
3345 * and eventual segfault. |
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|
3346 * |
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|
3347 * Because of backwards compatibility, the two methods still have to |
|
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|
3348 * behave in the same way, even if this is not required by the pickle |
|
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|
3349 * protocol. This common functionality was moved to the _common_reduce |
|
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|
3350 * function. |
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|
3351 */ |
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|
3352 static PyObject * |
|
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|
3353 _common_reduce(PyObject *self, int proto) |
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|
3354 { |
|
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|
3355 PyObject *copyreg, *res; |
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|
3356 |
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|
3357 if (proto >= 2) |
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|
3358 return reduce_2(self); |
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|
3359 |
|
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|
3360 copyreg = import_copyreg(); |
|
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|
3361 if (!copyreg) |
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|
3362 return NULL; |
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|
3363 |
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|
3364 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto); |
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|
3365 Py_DECREF(copyreg); |
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|
3366 |
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|
3367 return res; |
|
41202
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|
3368 } |
|
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|
3369 |
|
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|
3370 static PyObject * |
|
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|
3371 object_reduce(PyObject *self, PyObject *args) |
|
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|
3372 { |
|
61465
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|
3373 int proto = 0; |
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|
3374 |
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|
3375 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto)) |
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|
3376 return NULL; |
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|
3377 |
|
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|
3378 return _common_reduce(self, proto); |
|
41202
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|
3379 } |
|
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|
3380 |
|
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|
3381 static PyObject * |
|
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Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
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diff
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|
3382 object_reduce_ex(PyObject *self, PyObject *args) |
|
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Implementing the salient parts of __reduce_ex__ in C.
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|
3383 { |
|
61465
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|
3384 PyObject *reduce, *res; |
|
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|
3385 int proto = 0; |
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|
3386 |
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|
3387 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto)) |
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|
3388 return NULL; |
|
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|
3389 |
|
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|
3390 reduce = PyObject_GetAttrString(self, "__reduce__"); |
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|
3391 if (reduce == NULL) |
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|
3392 PyErr_Clear(); |
|
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|
3393 else { |
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|
3394 PyObject *cls, *clsreduce, *objreduce; |
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|
3395 int override; |
|
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|
3396 cls = PyObject_GetAttrString(self, "__class__"); |
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|
3397 if (cls == NULL) { |
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|
3398 Py_DECREF(reduce); |
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|
3399 return NULL; |
|
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|
3400 } |
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|
3401 clsreduce = PyObject_GetAttrString(cls, "__reduce__"); |
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|
3402 Py_DECREF(cls); |
|
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|
3403 if (clsreduce == NULL) { |
|
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|
3404 Py_DECREF(reduce); |
|
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|
3405 return NULL; |
|
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|
3406 } |
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|
3407 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict, |
|
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|
3408 "__reduce__"); |
|
e38335d4df91
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3409 override = (clsreduce != objreduce); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3410 Py_DECREF(clsreduce); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3411 if (override) { |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3412 res = PyObject_CallObject(reduce, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3413 Py_DECREF(reduce); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3414 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3415 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3416 else |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3417 Py_DECREF(reduce); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3418 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3419 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3420 return _common_reduce(self, proto); |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3421 } |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3422 |
|
45543
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3423 static PyObject * |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3424 object_subclasshook(PyObject *cls, PyObject *args) |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3425 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3426 Py_INCREF(Py_NotImplemented); |
|
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3427 return Py_NotImplemented; |
|
45543
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3428 } |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3429 |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3430 PyDoc_STRVAR(object_subclasshook_doc, |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3431 "Abstract classes can override this to customize issubclass().\n" |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
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diff
changeset
|
3432 "\n" |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3433 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n" |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3434 "It should return True, False or NotImplemented. If it returns\n" |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3435 "NotImplemented, the normal algorithm is used. Otherwise, it\n" |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3436 "overrides the normal algorithm (and the outcome is cached).\n"); |
|
6592e5a90c2c
Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents:
45381
diff
changeset
|
3437 |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3438 /* |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3439 from PEP 3101, this code implements: |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3440 |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3441 class object: |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3442 def __format__(self, format_spec): |
|
61465
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|
3443 if isinstance(format_spec, str): |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3444 return format(str(self), format_spec) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3445 elif isinstance(format_spec, unicode): |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3446 return format(unicode(self), format_spec) |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3447 */ |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3448 static PyObject * |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3449 object_format(PyObject *self, PyObject *args) |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3450 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3451 PyObject *format_spec; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3452 PyObject *self_as_str = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3453 PyObject *result = NULL; |
|
61463
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3454 Py_ssize_t format_len; |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3455 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3456 if (!PyArg_ParseTuple(args, "O:__format__", &format_spec)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3457 return NULL; |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
50828
diff
changeset
|
3458 #ifdef Py_USING_UNICODE |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3459 if (PyUnicode_Check(format_spec)) { |
|
61463
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3460 format_len = PyUnicode_GET_SIZE(format_spec); |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3461 self_as_str = PyObject_Unicode(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3462 } else if (PyString_Check(format_spec)) { |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
50828
diff
changeset
|
3463 #else |
|
61463
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3464 if (PyString_Check(format_spec)) { |
|
51032
551257c8058a
fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents:
50828
diff
changeset
|
3465 #endif |
|
61463
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changeset
|
3466 format_len = PyString_GET_SIZE(format_spec); |
|
61465
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changeset
|
3467 self_as_str = PyObject_Str(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3468 } else { |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3469 PyErr_SetString(PyExc_TypeError, |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3470 "argument to __format__ must be unicode or str"); |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3471 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3472 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3473 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3474 if (self_as_str != NULL) { |
|
61463
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3475 /* Issue 7994: If we're converting to a string, we |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3476 should reject format specifications */ |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3477 if (format_len > 0) { |
|
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3478 if (PyErr_WarnEx(PyExc_PendingDeprecationWarning, |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3479 "object.__format__ with a non-empty format " |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3480 "string is deprecated", 1) < 0) { |
|
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3481 goto done; |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3482 } |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3483 /* Eventually this will become an error: |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3484 PyErr_Format(PyExc_TypeError, |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3485 "non-empty format string passed to object.__format__"); |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3486 goto done; |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
61266
diff
changeset
|
3487 */ |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3488 } |
| 62087 | 3489 result = PyObject_Format(self_as_str, format_spec); |
|
61463
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3490 } |
|
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3491 |
|
60162
20497d85e011
Issue 7994: Make object.__format__ with a non-empty format string a PendingDecprecationWarning. Still need to remove uses of this from various tests.
Eric Smith <eric@trueblade.com>
parents:
57748
diff
changeset
|
3492 done: |
|
61465
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changeset
|
3493 Py_XDECREF(self_as_str); |
|
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|
3494 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3495 return result; |
|
45381
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3496 } |
|
b7231bf6bfb7
Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents:
45025
diff
changeset
|
3497 |
|
47419
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3498 static PyObject * |
|
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3499 object_sizeof(PyObject *self, PyObject *args) |
|
88bd07c0a847
Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents:
47371
diff
changeset
|
3500 { |
|
61465
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changeset
|
3501 Py_ssize_t res, isize; |
|
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|
3502 |
|
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changeset
|
3503 res = 0; |
|
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changeset
|
3504 isize = self->ob_type->tp_itemsize; |
|
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changeset
|
3505 if (isize > 0) |
|
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changeset
|
3506 res = self->ob_type->ob_size * isize; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3507 res += self->ob_type->tp_basicsize; |
|
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changeset
|
3508 |
|
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changeset
|
3509 return PyInt_FromSsize_t(res); |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3510 } |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3511 |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3512 static PyMethodDef object_methods[] = { |
|
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changeset
|
3513 {"__reduce_ex__", object_reduce_ex, METH_VARARGS, |
|
e38335d4df91
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changeset
|
3514 PyDoc_STR("helper for pickle")}, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3515 {"__reduce__", object_reduce, METH_VARARGS, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3516 PyDoc_STR("helper for pickle")}, |
|
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|
3517 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS, |
|
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|
3518 object_subclasshook_doc}, |
|
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|
3519 {"__format__", object_format, METH_VARARGS, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3520 PyDoc_STR("default object formatter")}, |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3521 {"__sizeof__", object_sizeof, METH_NOARGS, |
|
70339
916838ace42a
use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
3522 PyDoc_STR("__sizeof__() -> int\nsize of object in memory, in bytes")}, |
|
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|
3523 {0} |
|
20084
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3524 }; |
|
48e93ef3c5b7
- Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents:
20076
diff
changeset
|
3525 |
|
28016
b849482c70c6
Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents:
27948
diff
changeset
|
3526 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
3527 PyTypeObject PyBaseObject_Type = { |
|
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|
3528 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
|
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|
3529 "object", /* tp_name */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3530 sizeof(PyObject), /* tp_basicsize */ |
|
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|
3531 0, /* tp_itemsize */ |
|
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|
3532 object_dealloc, /* tp_dealloc */ |
|
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|
3533 0, /* tp_print */ |
|
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|
3534 0, /* tp_getattr */ |
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|
3535 0, /* tp_setattr */ |
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|
3536 0, /* tp_compare */ |
|
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|
3537 object_repr, /* tp_repr */ |
|
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|
3538 0, /* tp_as_number */ |
|
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|
3539 0, /* tp_as_sequence */ |
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|
3540 0, /* tp_as_mapping */ |
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|
3541 (hashfunc)_Py_HashPointer, /* tp_hash */ |
|
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|
3542 0, /* tp_call */ |
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|
3543 object_str, /* tp_str */ |
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|
3544 PyObject_GenericGetAttr, /* tp_getattro */ |
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|
3545 PyObject_GenericSetAttr, /* tp_setattro */ |
|
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|
3546 0, /* tp_as_buffer */ |
|
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|
3547 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
|
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|
3548 PyDoc_STR("The most base type"), /* tp_doc */ |
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|
3549 0, /* tp_traverse */ |
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|
3550 0, /* tp_clear */ |
|
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|
3551 0, /* tp_richcompare */ |
|
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|
3552 0, /* tp_weaklistoffset */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3553 0, /* tp_iter */ |
|
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|
3554 0, /* tp_iternext */ |
|
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|
3555 object_methods, /* tp_methods */ |
|
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|
3556 0, /* tp_members */ |
|
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|
3557 object_getsets, /* tp_getset */ |
|
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|
3558 0, /* tp_base */ |
|
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|
3559 0, /* tp_dict */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3560 0, /* tp_descr_get */ |
|
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|
3561 0, /* tp_descr_set */ |
|
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|
3562 0, /* tp_dictoffset */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3563 object_init, /* tp_init */ |
|
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|
3564 PyType_GenericAlloc, /* tp_alloc */ |
|
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|
3565 object_new, /* tp_new */ |
|
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|
3566 PyObject_Del, /* tp_free */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
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|
3567 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3568 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
3569 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3570 /* Initialize the __dict__ in a type object */ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3571 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
3572 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3573 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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|
3574 { |
|
61465
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|
3575 PyObject *dict = type->tp_dict; |
|
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|
3576 |
|
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|
3577 for (; meth->ml_name != NULL; meth++) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3578 PyObject *descr; |
|
76837
5319a4bf72e7
fix possible refleak (closes #14752)
Benjamin Peterson <benjamin@python.org>
parents:
76520
diff
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|
3579 int err; |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3580 if (PyDict_GetItemString(dict, meth->ml_name) && |
|
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|
3581 !(meth->ml_flags & METH_COEXIST)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3582 continue; |
|
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|
3583 if (meth->ml_flags & METH_CLASS) { |
|
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|
3584 if (meth->ml_flags & METH_STATIC) { |
|
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|
3585 PyErr_SetString(PyExc_ValueError, |
|
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|
3586 "method cannot be both class and static"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3587 return -1; |
|
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|
3588 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3589 descr = PyDescr_NewClassMethod(type, meth); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3590 } |
|
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|
3591 else if (meth->ml_flags & METH_STATIC) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3592 PyObject *cfunc = PyCFunction_New(meth, NULL); |
|
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|
3593 if (cfunc == NULL) |
|
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|
3594 return -1; |
|
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|
3595 descr = PyStaticMethod_New(cfunc); |
|
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|
3596 Py_DECREF(cfunc); |
|
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|
3597 } |
|
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|
3598 else { |
|
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|
3599 descr = PyDescr_NewMethod(type, meth); |
|
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|
3600 } |
|
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|
3601 if (descr == NULL) |
|
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|
3602 return -1; |
|
76837
5319a4bf72e7
fix possible refleak (closes #14752)
Benjamin Peterson <benjamin@python.org>
parents:
76520
diff
changeset
|
3603 err = PyDict_SetItemString(dict, meth->ml_name, descr); |
|
5319a4bf72e7
fix possible refleak (closes #14752)
Benjamin Peterson <benjamin@python.org>
parents:
76520
diff
changeset
|
3604 Py_DECREF(descr); |
|
5319a4bf72e7
fix possible refleak (closes #14752)
Benjamin Peterson <benjamin@python.org>
parents:
76520
diff
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|
3605 if (err < 0) |
|
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|
3606 return -1; |
|
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|
3607 } |
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|
3608 return 0; |
|
18933
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|
3609 } |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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changeset
|
3610 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
3611 static int |
|
20012
3faabf54b8b8
Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents:
19970
diff
changeset
|
3612 add_members(PyTypeObject *type, PyMemberDef *memb) |
|
18933
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Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
3613 { |
|
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|
3614 PyObject *dict = type->tp_dict; |
|
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|
3615 |
|
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|
3616 for (; memb->name != NULL; memb++) { |
|
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|
3617 PyObject *descr; |
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3618 if (PyDict_GetItemString(dict, memb->name)) |
|
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|
3619 continue; |
|
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|
3620 descr = PyDescr_NewMember(type, memb); |
|
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|
3621 if (descr == NULL) |
|
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|
3622 return -1; |
|
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|
3623 if (PyDict_SetItemString(dict, memb->name, descr) < 0) |
|
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|
3624 return -1; |
|
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|
3625 Py_DECREF(descr); |
|
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|
3626 } |
|
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|
3627 return 0; |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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|
3628 } |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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|
3629 |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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diff
changeset
|
3630 static int |
|
20015
ca7af2a5d915
Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3631 add_getset(PyTypeObject *type, PyGetSetDef *gsp) |
|
18933
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Merge of descr-branch back into trunk.
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|
3632 { |
|
61465
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|
3633 PyObject *dict = type->tp_dict; |
|
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|
3634 |
|
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|
3635 for (; gsp->name != NULL; gsp++) { |
|
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|
3636 PyObject *descr; |
|
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|
3637 if (PyDict_GetItemString(dict, gsp->name)) |
|
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|
3638 continue; |
|
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|
3639 descr = PyDescr_NewGetSet(type, gsp); |
|
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|
3640 |
|
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|
3641 if (descr == NULL) |
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|
3642 return -1; |
|
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3643 if (PyDict_SetItemString(dict, gsp->name, descr) < 0) |
|
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|
3644 return -1; |
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|
3645 Py_DECREF(descr); |
|
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3646 } |
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|
3647 return 0; |
|
18933
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Tim Peters <tim.peters@gmail.com>
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|
3648 } |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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|
3649 |
|
52749
75efd757434b
Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
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52176
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|
3650 #define BUFFER_FLAGS (Py_TPFLAGS_HAVE_GETCHARBUFFER | Py_TPFLAGS_HAVE_NEWBUFFER) |
|
75efd757434b
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|
3651 |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3652 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3653 inherit_special(PyTypeObject *type, PyTypeObject *base) |
|
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|
3654 { |
|
61465
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|
3655 Py_ssize_t oldsize, newsize; |
|
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|
3656 |
|
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|
3657 /* Special flag magic */ |
|
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|
3658 if (!type->tp_as_buffer && base->tp_as_buffer) { |
|
61463
fd25030223b0
Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
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|
3659 type->tp_flags &= ~BUFFER_FLAGS; |
|
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|
3660 type->tp_flags |= |
|
61463
fd25030223b0
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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|
3661 base->tp_flags & BUFFER_FLAGS; |
|
61465
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|
3662 } |
|
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|
3663 if (!type->tp_as_sequence && base->tp_as_sequence) { |
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|
3664 type->tp_flags &= ~Py_TPFLAGS_HAVE_SEQUENCE_IN; |
|
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|
3665 type->tp_flags |= base->tp_flags & Py_TPFLAGS_HAVE_SEQUENCE_IN; |
|
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|
3666 } |
|
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|
3667 if ((type->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS) != |
|
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|
3668 (base->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS)) { |
|
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3669 if ((!type->tp_as_number && base->tp_as_number) || |
|
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|
3670 (!type->tp_as_sequence && base->tp_as_sequence)) { |
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|
3671 type->tp_flags &= ~Py_TPFLAGS_HAVE_INPLACEOPS; |
|
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|
3672 if (!type->tp_as_number && !type->tp_as_sequence) { |
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|
3673 type->tp_flags |= base->tp_flags & |
|
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|
3674 Py_TPFLAGS_HAVE_INPLACEOPS; |
|
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3675 } |
|
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3676 } |
|
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|
3677 /* Wow */ |
|
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|
3678 } |
|
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|
3679 if (!type->tp_as_number && base->tp_as_number) { |
|
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|
3680 type->tp_flags &= ~Py_TPFLAGS_CHECKTYPES; |
|
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|
3681 type->tp_flags |= base->tp_flags & Py_TPFLAGS_CHECKTYPES; |
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|
3682 } |
|
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3683 |
|
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|
3684 /* Copying basicsize is connected to the GC flags */ |
|
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|
3685 oldsize = base->tp_basicsize; |
|
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|
3686 newsize = type->tp_basicsize ? type->tp_basicsize : oldsize; |
|
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|
3687 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
|
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|
3688 (base->tp_flags & Py_TPFLAGS_HAVE_GC) && |
|
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|
3689 (type->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE/*GC slots exist*/) && |
|
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|
3690 (!type->tp_traverse && !type->tp_clear)) { |
|
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|
3691 type->tp_flags |= Py_TPFLAGS_HAVE_GC; |
|
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|
3692 if (type->tp_traverse == NULL) |
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|
3693 type->tp_traverse = base->tp_traverse; |
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3694 if (type->tp_clear == NULL) |
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3695 type->tp_clear = base->tp_clear; |
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3696 } |
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3697 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
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|
3698 /* The condition below could use some explanation. |
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|
3699 It appears that tp_new is not inherited for static types |
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3700 whose base class is 'object'; this seems to be a precaution |
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|
3701 so that old extension types don't suddenly become |
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3702 callable (object.__new__ wouldn't insure the invariants |
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3703 that the extension type's own factory function ensures). |
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3704 Heap types, of course, are under our control, so they do |
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|
3705 inherit tp_new; static extension types that specify some |
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3706 other built-in type as the default are considered |
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3707 new-style-aware so they also inherit object.__new__. */ |
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3708 if (base != &PyBaseObject_Type || |
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3709 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) { |
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3710 if (type->tp_new == NULL) |
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3711 type->tp_new = base->tp_new; |
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3712 } |
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3713 } |
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3714 type->tp_basicsize = newsize; |
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3715 |
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3716 /* Copy other non-function slots */ |
|
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968d169501f2
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
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3717 |
|
968d169501f2
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|
3718 #undef COPYVAL |
|
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|
3719 #define COPYVAL(SLOT) \ |
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3720 if (type->SLOT == 0) type->SLOT = base->SLOT |
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3721 |
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3722 COPYVAL(tp_itemsize); |
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3723 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_WEAKREFS) { |
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3724 COPYVAL(tp_weaklistoffset); |
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3725 } |
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3726 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
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3727 COPYVAL(tp_dictoffset); |
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3728 } |
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|
3729 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3730 /* Setup fast subclass flags */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
3731 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3732 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3733 else if (PyType_IsSubtype(base, &PyType_Type)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3734 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3735 else if (PyType_IsSubtype(base, &PyInt_Type)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3736 type->tp_flags |= Py_TPFLAGS_INT_SUBCLASS; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3737 else if (PyType_IsSubtype(base, &PyLong_Type)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
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|
3738 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
3739 else if (PyType_IsSubtype(base, &PyString_Type)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3740 type->tp_flags |= Py_TPFLAGS_STRING_SUBCLASS; |
|
44572
db5e01c33eb7
Make Python compile with --disable-unicode.
Georg Brandl <georg@python.org>
parents:
44365
diff
changeset
|
3741 #ifdef Py_USING_UNICODE |
|
61465
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|
3742 else if (PyType_IsSubtype(base, &PyUnicode_Type)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3743 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS; |
|
44572
db5e01c33eb7
Make Python compile with --disable-unicode.
Georg Brandl <georg@python.org>
parents:
44365
diff
changeset
|
3744 #endif |
|
61465
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|
3745 else if (PyType_IsSubtype(base, &PyTuple_Type)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3746 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS; |
|
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|
3747 else if (PyType_IsSubtype(base, &PyList_Type)) |
|
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|
3748 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS; |
|
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|
3749 else if (PyType_IsSubtype(base, &PyDict_Type)) |
|
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|
3750 type->tp_flags |= Py_TPFLAGS_DICT_SUBCLASS; |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3751 } |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3752 |
|
48213
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3753 static int |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3754 overrides_name(PyTypeObject *type, char *name) |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3755 { |
|
61465
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|
3756 PyObject *dict = type->tp_dict; |
|
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|
3757 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3758 assert(dict != NULL); |
|
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|
3759 if (PyDict_GetItemString(dict, name) != NULL) { |
|
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|
3760 return 1; |
|
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|
3761 } |
|
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|
3762 return 0; |
|
48213
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3763 } |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3764 |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3765 #define OVERRIDES_HASH(x) overrides_name(x, "__hash__") |
|
7527da2b05e8
Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents:
47961
diff
changeset
|
3766 #define OVERRIDES_EQ(x) overrides_name(x, "__eq__") |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3767 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3768 static void |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3769 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
|
3770 { |
|
61465
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|
3771 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
|
3772 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3773 #undef SLOTDEFINED |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3774 #undef COPYSLOT |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3775 #undef COPYNUM |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3776 #undef COPYSEQ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3777 #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
|
3778 #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
|
3779 |
|
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3780 #define SLOTDEFINED(SLOT) \ |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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|
3781 (base->SLOT != 0 && \ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3782 (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
|
3783 |
|
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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|
3784 #define COPYSLOT(SLOT) \ |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3785 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
|
3786 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3787 #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
|
3788 #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
|
3789 #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
|
3790 #define COPYBUF(SLOT) COPYSLOT(tp_as_buffer->SLOT) |
|
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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|
3791 |
|
61465
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|
3792 /* This won't inherit indirect slots (from tp_as_number etc.) |
|
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|
3793 if type doesn't provide the space. */ |
|
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|
3794 |
|
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|
3795 if (type->tp_as_number != NULL && base->tp_as_number != NULL) { |
|
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|
3796 basebase = base->tp_base; |
|
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changeset
|
3797 if (basebase->tp_as_number == NULL) |
|
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|
3798 basebase = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3799 COPYNUM(nb_add); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
3800 COPYNUM(nb_subtract); |
|
e38335d4df91
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|
3801 COPYNUM(nb_multiply); |
|
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|
3802 COPYNUM(nb_divide); |
|
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|
3803 COPYNUM(nb_remainder); |
|
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|
3804 COPYNUM(nb_divmod); |
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|
3805 COPYNUM(nb_power); |
|
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|
3806 COPYNUM(nb_negative); |
|
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|
3807 COPYNUM(nb_positive); |
|
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|
3808 COPYNUM(nb_absolute); |
|
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|
3809 COPYNUM(nb_nonzero); |
|
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|
3810 COPYNUM(nb_invert); |
|
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|
3811 COPYNUM(nb_lshift); |
|
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|
3812 COPYNUM(nb_rshift); |
|
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|
3813 COPYNUM(nb_and); |
|
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|
3814 COPYNUM(nb_xor); |
|
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|
3815 COPYNUM(nb_or); |
|
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|
3816 COPYNUM(nb_coerce); |
|
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|
3817 COPYNUM(nb_int); |
|
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|
3818 COPYNUM(nb_long); |
|
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|
3819 COPYNUM(nb_float); |
|
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|
3820 COPYNUM(nb_oct); |
|
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|
3821 COPYNUM(nb_hex); |
|
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|
3822 COPYNUM(nb_inplace_add); |
|
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|
3823 COPYNUM(nb_inplace_subtract); |
|
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|
3824 COPYNUM(nb_inplace_multiply); |
|
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|
3825 COPYNUM(nb_inplace_divide); |
|
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|
3826 COPYNUM(nb_inplace_remainder); |
|
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|
3827 COPYNUM(nb_inplace_power); |
|
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|
3828 COPYNUM(nb_inplace_lshift); |
|
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|
3829 COPYNUM(nb_inplace_rshift); |
|
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|
3830 COPYNUM(nb_inplace_and); |
|
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changeset
|
3831 COPYNUM(nb_inplace_xor); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3832 COPYNUM(nb_inplace_or); |
|
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|
3833 if (base->tp_flags & Py_TPFLAGS_CHECKTYPES) { |
|
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changeset
|
3834 COPYNUM(nb_true_divide); |
|
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diff
changeset
|
3835 COPYNUM(nb_floor_divide); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3836 COPYNUM(nb_inplace_true_divide); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3837 COPYNUM(nb_inplace_floor_divide); |
|
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|
3838 } |
|
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|
3839 if (base->tp_flags & Py_TPFLAGS_HAVE_INDEX) { |
|
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|
3840 COPYNUM(nb_index); |
|
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|
3841 } |
|
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|
3842 } |
|
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|
3843 |
|
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|
3844 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) { |
|
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|
3845 basebase = base->tp_base; |
|
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|
3846 if (basebase->tp_as_sequence == NULL) |
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changeset
|
3847 basebase = NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3848 COPYSEQ(sq_length); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3849 COPYSEQ(sq_concat); |
|
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changeset
|
3850 COPYSEQ(sq_repeat); |
|
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|
3851 COPYSEQ(sq_item); |
|
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|
3852 COPYSEQ(sq_slice); |
|
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|
3853 COPYSEQ(sq_ass_item); |
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|
3854 COPYSEQ(sq_ass_slice); |
|
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|
3855 COPYSEQ(sq_contains); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3856 COPYSEQ(sq_inplace_concat); |
|
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|
3857 COPYSEQ(sq_inplace_repeat); |
|
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|
3858 } |
|
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|
3859 |
|
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|
3860 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) { |
|
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|
3861 basebase = base->tp_base; |
|
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|
3862 if (basebase->tp_as_mapping == NULL) |
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|
3863 basebase = NULL; |
|
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|
3864 COPYMAP(mp_length); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3865 COPYMAP(mp_subscript); |
|
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|
3866 COPYMAP(mp_ass_subscript); |
|
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|
3867 } |
|
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|
3868 |
|
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|
3869 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) { |
|
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|
3870 basebase = base->tp_base; |
|
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|
3871 if (basebase->tp_as_buffer == NULL) |
|
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|
3872 basebase = NULL; |
|
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|
3873 COPYBUF(bf_getreadbuffer); |
|
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|
3874 COPYBUF(bf_getwritebuffer); |
|
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|
3875 COPYBUF(bf_getsegcount); |
|
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|
3876 COPYBUF(bf_getcharbuffer); |
|
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|
3877 COPYBUF(bf_getbuffer); |
|
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|
3878 COPYBUF(bf_releasebuffer); |
|
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|
3879 } |
|
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|
3880 |
|
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|
3881 basebase = base->tp_base; |
|
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|
3882 |
|
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|
3883 COPYSLOT(tp_dealloc); |
|
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|
3884 COPYSLOT(tp_print); |
|
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|
3885 if (type->tp_getattr == NULL && type->tp_getattro == NULL) { |
|
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|
3886 type->tp_getattr = base->tp_getattr; |
|
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|
3887 type->tp_getattro = base->tp_getattro; |
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3888 } |
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|
3889 if (type->tp_setattr == NULL && type->tp_setattro == NULL) { |
|
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|
3890 type->tp_setattr = base->tp_setattr; |
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|
3891 type->tp_setattro = base->tp_setattro; |
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3892 } |
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|
3893 /* tp_compare see tp_richcompare */ |
|
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|
3894 COPYSLOT(tp_repr); |
|
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|
3895 /* tp_hash see tp_richcompare */ |
|
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|
3896 COPYSLOT(tp_call); |
|
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|
3897 COPYSLOT(tp_str); |
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3898 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE) { |
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|
3899 if (type->tp_compare == NULL && |
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|
3900 type->tp_richcompare == NULL && |
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|
3901 type->tp_hash == NULL) |
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3902 { |
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3903 type->tp_compare = base->tp_compare; |
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|
3904 type->tp_richcompare = base->tp_richcompare; |
|
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|
3905 type->tp_hash = base->tp_hash; |
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|
3906 /* Check for changes to inherited methods in Py3k*/ |
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|
3907 if (Py_Py3kWarningFlag) { |
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|
3908 if (base->tp_hash && |
|
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|
3909 (base->tp_hash != PyObject_HashNotImplemented) && |
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3910 !OVERRIDES_HASH(type)) { |
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|
3911 if (OVERRIDES_EQ(type)) { |
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|
3912 if (PyErr_WarnPy3k("Overriding " |
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|
3913 "__eq__ blocks inheritance " |
|
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|
3914 "of __hash__ in 3.x", |
|
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|
3915 1) < 0) |
|
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|
3916 /* XXX This isn't right. If the warning is turned |
|
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|
3917 into an exception, we should be communicating |
|
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|
3918 the error back to the caller, but figuring out |
|
62106
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|
3919 how to clean up in that case is tricky. See |
|
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|
3920 issue 8627 for more. */ |
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|
3921 PyErr_Clear(); |
|
61465
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3922 } |
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3923 } |
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3924 } |
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3925 } |
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3926 } |
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3927 else { |
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3928 COPYSLOT(tp_compare); |
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3929 } |
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|
3930 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_ITER) { |
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3931 COPYSLOT(tp_iter); |
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|
3932 COPYSLOT(tp_iternext); |
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3933 } |
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3934 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) { |
|
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3935 COPYSLOT(tp_descr_get); |
|
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|
3936 COPYSLOT(tp_descr_set); |
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3937 COPYSLOT(tp_dictoffset); |
|
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Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
3938 COPYSLOT(tp_init); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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57749
diff
changeset
|
3939 COPYSLOT(tp_alloc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3940 COPYSLOT(tp_is_gc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3941 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) == |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3942 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3943 /* They agree about gc. */ |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3944 COPYSLOT(tp_free); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3945 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3946 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3947 type->tp_free == NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3948 base->tp_free == _PyObject_Del) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3949 /* A bit of magic to plug in the correct default |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3950 * tp_free function when a derived class adds gc, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3951 * didn't define tp_free, and the base uses the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3952 * default non-gc tp_free. |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3953 */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3954 type->tp_free = PyObject_GC_Del; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3955 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3956 /* else they didn't agree about gc, and there isn't something |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3957 * obvious to be done -- the type is on its own. |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3958 */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3959 } |
|
19153
64d4ad73a887
- Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents:
19136
diff
changeset
|
3960 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3961 |
|
24280
1598a1e473e2
staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24250
diff
changeset
|
3962 static int add_operators(PyTypeObject *); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3963 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3964 int |
|
19040
4df72ea78ae8
- Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents:
19036
diff
changeset
|
3965 PyType_Ready(PyTypeObject *type) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3966 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3967 PyObject *dict, *bases; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3968 PyTypeObject *base; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3969 Py_ssize_t i, n; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3970 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3971 if (type->tp_flags & Py_TPFLAGS_READY) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3972 assert(type->tp_dict != NULL); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3973 return 0; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3974 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3975 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3976 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3977 type->tp_flags |= Py_TPFLAGS_READYING; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
3978 |
|
28389
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents:
28288
diff
changeset
|
3979 #ifdef Py_TRACE_REFS |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3980 /* PyType_Ready is the closest thing we have to a choke point |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3981 * for type objects, so is the best place I can think of to try |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3982 * to get type objects into the doubly-linked list of all objects. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3983 * Still, not all type objects go thru PyType_Ready. |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
3984 */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3985 _Py_AddToAllObjects((PyObject *)type, 0); |
|
28389
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents:
28288
diff
changeset
|
3986 #endif |
|
4ede57a42c62
Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents:
28288
diff
changeset
|
3987 |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3988 /* Initialize tp_base (defaults to BaseObject unless that's us) */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3989 base = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3990 if (base == NULL && type != &PyBaseObject_Type) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3991 base = type->tp_base = &PyBaseObject_Type; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3992 Py_INCREF(base); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3993 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
3994 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3995 /* Now the only way base can still be NULL is if type is |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3996 * &PyBaseObject_Type. |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
3997 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
3998 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
3999 /* Initialize the base class */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4000 if (base && base->tp_dict == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4001 if (PyType_Ready(base) < 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4002 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4003 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4004 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4005 /* Initialize ob_type if NULL. This means extensions that want to be |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4006 compilable separately on Windows can call PyType_Ready() instead of |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4007 initializing the ob_type field of their type objects. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4008 /* The test for base != NULL is really unnecessary, since base is only |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4009 NULL when type is &PyBaseObject_Type, and we know its ob_type is |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4010 not NULL (it's initialized to &PyType_Type). But coverity doesn't |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4011 know that. */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4012 if (Py_TYPE(type) == NULL && base != NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4013 Py_TYPE(type) = Py_TYPE(base); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4014 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4015 /* Initialize tp_bases */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4016 bases = type->tp_bases; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4017 if (bases == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4018 if (base == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4019 bases = PyTuple_New(0); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4020 else |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4021 bases = PyTuple_Pack(1, base); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4022 if (bases == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4023 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4024 type->tp_bases = bases; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4025 } |
|
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changeset
|
4026 |
|
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changeset
|
4027 /* Initialize tp_dict */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4028 dict = type->tp_dict; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4029 if (dict == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4030 dict = PyDict_New(); |
|
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changeset
|
4031 if (dict == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4032 goto error; |
|
e38335d4df91
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parents:
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changeset
|
4033 type->tp_dict = dict; |
|
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|
4034 } |
|
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changeset
|
4035 |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4036 /* Add type-specific descriptors to tp_dict */ |
|
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changeset
|
4037 if (add_operators(type) < 0) |
|
e38335d4df91
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changeset
|
4038 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4039 if (type->tp_methods != NULL) { |
|
e38335d4df91
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parents:
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changeset
|
4040 if (add_methods(type, type->tp_methods) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4041 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4042 } |
|
e38335d4df91
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changeset
|
4043 if (type->tp_members != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4044 if (add_members(type, type->tp_members) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4045 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4046 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4047 if (type->tp_getset != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4048 if (add_getset(type, type->tp_getset) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4049 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4050 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4051 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4052 /* Calculate method resolution order */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4053 if (mro_internal(type) < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4054 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4055 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4056 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4057 /* Inherit special flags from dominant base */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4058 if (type->tp_base != NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4059 inherit_special(type, type->tp_base); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4060 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4061 /* Initialize tp_dict properly */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4062 bases = type->tp_mro; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4063 assert(bases != NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4064 assert(PyTuple_Check(bases)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4065 n = PyTuple_GET_SIZE(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4066 for (i = 1; i < n; i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4067 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4068 if (PyType_Check(b)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4069 inherit_slots(type, (PyTypeObject *)b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4070 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4071 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4072 /* Sanity check for tp_free. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4073 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4074 (type->tp_free == NULL || type->tp_free == PyObject_Del)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4075 /* This base class needs to call tp_free, but doesn't have |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4076 * one, or its tp_free is for non-gc'ed objects. |
|
36925
7c17e9221f94
Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents:
36882
diff
changeset
|
4077 */ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4078 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4079 "gc and is a base type but has inappropriate " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4080 "tp_free slot", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4081 type->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4082 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4083 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4084 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4085 /* if the type dictionary doesn't contain a __doc__, set it from |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4086 the tp_doc slot. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4087 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4088 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4089 if (type->tp_doc != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4090 PyObject *doc = PyString_FromString(type->tp_doc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4091 if (doc == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4092 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4093 PyDict_SetItemString(type->tp_dict, "__doc__", doc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4094 Py_DECREF(doc); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4095 } else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4096 PyDict_SetItemString(type->tp_dict, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4097 "__doc__", Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4098 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4099 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4100 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4101 /* Some more special stuff */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4102 base = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4103 if (base != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4104 if (type->tp_as_number == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4105 type->tp_as_number = base->tp_as_number; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4106 if (type->tp_as_sequence == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4107 type->tp_as_sequence = base->tp_as_sequence; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4108 if (type->tp_as_mapping == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4109 type->tp_as_mapping = base->tp_as_mapping; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4110 if (type->tp_as_buffer == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4111 type->tp_as_buffer = base->tp_as_buffer; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4112 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4113 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4114 /* Link into each base class's list of subclasses */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4115 bases = type->tp_bases; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4116 n = PyTuple_GET_SIZE(bases); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4117 for (i = 0; i < n; i++) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4118 PyObject *b = PyTuple_GET_ITEM(bases, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4119 if (PyType_Check(b) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4120 add_subclass((PyTypeObject *)b, type) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4121 goto error; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4122 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4123 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4124 /* All done -- set the ready flag */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4125 assert(type->tp_dict != NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4126 type->tp_flags = |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4127 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4128 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
|
4129 |
|
6463cd9db2fc
Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents:
19109
diff
changeset
|
4130 error: |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4131 type->tp_flags &= ~Py_TPFLAGS_READYING; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4132 return -1; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4133 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4134 |
|
20315
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4135 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
|
4136 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
|
4137 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4138 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4139 int result; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4140 PyObject *list, *ref, *newobj; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4141 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4142 list = base->tp_subclasses; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4143 if (list == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4144 base->tp_subclasses = list = PyList_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4145 if (list == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4146 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4147 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4148 assert(PyList_Check(list)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4149 newobj = PyWeakref_NewRef((PyObject *)type, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4150 i = PyList_GET_SIZE(list); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4151 while (--i >= 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4152 ref = PyList_GET_ITEM(list, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4153 assert(PyWeakref_CheckRef(ref)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4154 if (PyWeakref_GET_OBJECT(ref) == Py_None) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4155 return PyList_SetItem(list, i, newobj); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4156 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4157 result = PyList_Append(list, newobj); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4158 Py_DECREF(newobj); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4159 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
|
4160 } |
|
7b41f7a2e528
Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents:
20296
diff
changeset
|
4161 |
| 26421 | 4162 static void |
| 4163 remove_subclass(PyTypeObject *base, PyTypeObject *type) | |
| 4164 { | |
|
61465
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|
4165 Py_ssize_t i; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4166 PyObject *list, *ref; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4167 |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
4168 list = base->tp_subclasses; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4169 if (list == NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4170 return; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4171 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4172 assert(PyList_Check(list)); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4173 i = PyList_GET_SIZE(list); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4174 while (--i >= 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4175 ref = PyList_GET_ITEM(list, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4176 assert(PyWeakref_CheckRef(ref)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4177 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) { |
|
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|
4178 /* this can't fail, right? */ |
|
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|
4179 PySequence_DelItem(list, i); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4180 return; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4181 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4182 } |
| 26421 | 4183 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4184 |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4185 static int |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4186 check_num_args(PyObject *ob, int n) |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
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|
4187 { |
|
61465
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|
4188 if (!PyTuple_CheckExact(ob)) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4189 PyErr_SetString(PyExc_SystemError, |
|
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changeset
|
4190 "PyArg_UnpackTuple() argument list is not a tuple"); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4191 return 0; |
|
e38335d4df91
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changeset
|
4192 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4193 if (n == PyTuple_GET_SIZE(ob)) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4194 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4195 PyErr_Format( |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4196 PyExc_TypeError, |
|
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changeset
|
4197 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob)); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4198 return 0; |
|
31176
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4199 } |
|
381140e7e9d7
Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents:
31172
diff
changeset
|
4200 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4201 /* 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
|
4202 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4203 /* There's a wrapper *function* for each distinct function typedef used |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4204 for type object slots (e.g. binaryfunc, ternaryfunc, etc.). There's a |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4205 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
|
4206 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
|
4207 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
|
4208 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4209 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4210 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
|
4211 { |
|
61465
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|
4212 lenfunc func = (lenfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4213 Py_ssize_t res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4214 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4215 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4216 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4217 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4218 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
4219 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4220 return PyInt_FromLong((long)res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4221 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4222 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4223 static PyObject * |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4224 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
|
4225 { |
|
61465
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changeset
|
4226 inquiry func = (inquiry)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4227 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4228 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4229 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4230 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4231 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4232 if (res == -1 && PyErr_Occurred()) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4233 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4234 return PyBool_FromLong((long)res); |
|
30670
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4235 } |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4236 |
|
7f6134f8bd06
SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents:
30660
diff
changeset
|
4237 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4238 wrap_binaryfunc(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4239 { |
|
61465
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changeset
|
4240 binaryfunc func = (binaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4241 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
4242 |
|
e38335d4df91
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changeset
|
4243 if (!check_num_args(args, 1)) |
|
e38335d4df91
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|
4244 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4245 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4246 return (*func)(self, other); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4247 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4248 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4249 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
|
4250 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
|
4251 { |
|
61465
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|
4252 binaryfunc func = (binaryfunc)wrapped; |
|
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changeset
|
4253 PyObject *other; |
|
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|
4254 |
|
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|
4255 if (!check_num_args(args, 1)) |
|
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|
4256 return NULL; |
|
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changeset
|
4257 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
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|
4258 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) && |
|
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|
4259 !PyType_IsSubtype(other->ob_type, self->ob_type)) { |
|
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|
4260 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
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|
4261 return Py_NotImplemented; |
|
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|
4262 } |
|
e38335d4df91
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changeset
|
4263 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
|
4264 } |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4265 |
|
26b5f8b94872
It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents:
20320
diff
changeset
|
4266 static PyObject * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4267 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
|
4268 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4269 binaryfunc func = (binaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4270 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4271 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4272 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4273 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4274 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4275 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4276 !PyType_IsSubtype(other->ob_type, self->ob_type)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4277 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4278 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4279 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4280 return (*func)(other, self); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4281 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4282 |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4283 static PyObject * |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4284 wrap_coercefunc(PyObject *self, PyObject *args, void *wrapped) |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4285 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4286 coercion func = (coercion)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4287 PyObject *other, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4288 int ok; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4289 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4290 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4291 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4292 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4293 ok = func(&self, &other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4294 if (ok < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4295 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4296 if (ok > 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4297 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4298 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4299 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4300 res = PyTuple_New(2); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4301 if (res == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4302 Py_DECREF(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4303 Py_DECREF(other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4304 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4305 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4306 PyTuple_SET_ITEM(res, 0, self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4307 PyTuple_SET_ITEM(res, 1, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4308 return res; |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4309 } |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
4310 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4311 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4312 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
|
4313 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4314 ternaryfunc func = (ternaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4315 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4316 PyObject *third = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4317 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4318 /* Note: This wrapper only works for __pow__() */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4319 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4320 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4321 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4322 return (*func)(self, other, third); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4323 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4324 |
|
20168
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4325 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
|
4326 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
|
4327 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4328 ternaryfunc func = (ternaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4329 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4330 PyObject *third = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4331 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4332 /* Note: This wrapper only works for __pow__() */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4333 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4334 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4335 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4336 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
|
4337 } |
|
091e9e3ceeaf
Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents:
20140
diff
changeset
|
4338 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4339 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4340 wrap_unaryfunc(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4341 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4342 unaryfunc func = (unaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4343 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4344 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4345 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4346 return (*func)(self); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4347 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4348 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4349 static PyObject * |
|
37308
aaa04bfafc58
Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents:
37304
diff
changeset
|
4350 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
|
4351 { |
|
61465
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4352 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4353 PyObject* o; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4354 Py_ssize_t i; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4355 |
|
e38335d4df91
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changeset
|
4356 if (!PyArg_UnpackTuple(args, "", 1, 1, &o)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4357 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4358 i = PyNumber_AsSsize_t(o, PyExc_OverflowError); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4359 if (i == -1 && PyErr_Occurred()) |
|
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changeset
|
4360 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4361 return (*func)(self, i); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4362 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4363 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4364 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
|
4365 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
|
4366 { |
|
61465
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changeset
|
4367 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4368 |
|
e38335d4df91
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changeset
|
4369 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError); |
|
e38335d4df91
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changeset
|
4370 if (i == -1 && PyErr_Occurred()) |
|
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|
4371 return -1; |
|
e38335d4df91
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changeset
|
4372 if (i < 0) { |
|
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changeset
|
4373 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence; |
|
e38335d4df91
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changeset
|
4374 if (sq && sq->sq_length) { |
|
e38335d4df91
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diff
changeset
|
4375 Py_ssize_t n = (*sq->sq_length)(self); |
|
e38335d4df91
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changeset
|
4376 if (n < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4377 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4378 i += n; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4379 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4380 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4381 return i; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4382 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4383 |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4384 static PyObject * |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4385 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
|
4386 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4387 ssizeargfunc func = (ssizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4388 PyObject *arg; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4389 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4390 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4391 if (PyTuple_GET_SIZE(args) == 1) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4392 arg = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4393 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4394 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4395 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4396 return (*func)(self, i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4397 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4398 check_num_args(args, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4399 assert(PyErr_Occurred()); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4400 return NULL; |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4401 } |
|
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4402 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4403 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4404 wrap_ssizessizeargfunc(PyObject *self, PyObject *args, void *wrapped) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4405 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4406 ssizessizeargfunc func = (ssizessizeargfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4407 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4408 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4409 if (!PyArg_ParseTuple(args, "nn", &i, &j)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4410 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4411 return (*func)(self, i, j); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4412 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4413 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4414 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4415 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
|
4416 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4417 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4418 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4419 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4420 PyObject *arg, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4421 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4422 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4423 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4424 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4425 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4426 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4427 res = (*func)(self, i, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4428 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4429 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4430 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4431 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4432 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4433 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4434 static PyObject * |
|
19353
051d8e380f38
Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents:
19349
diff
changeset
|
4435 wrap_sq_delitem(PyObject *self, PyObject *args, void *wrapped) |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4436 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4437 ssizeobjargproc func = (ssizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4438 Py_ssize_t i; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4439 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4440 PyObject *arg; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4441 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4442 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4443 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4444 arg = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4445 i = getindex(self, arg); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4446 if (i == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4447 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4448 res = (*func)(self, i, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4449 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4450 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4451 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4452 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4453 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4454 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4455 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4456 wrap_ssizessizeobjargproc(PyObject *self, PyObject *args, void *wrapped) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4457 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4458 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4459 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4460 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4461 PyObject *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4462 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4463 if (!PyArg_ParseTuple(args, "nnO", &i, &j, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4464 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4465 res = (*func)(self, i, j, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4466 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4467 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4468 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4469 return Py_None; |
|
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 |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4472 static PyObject * |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4473 wrap_delslice(PyObject *self, PyObject *args, void *wrapped) |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4474 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4475 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4476 Py_ssize_t i, j; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4477 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4478 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4479 if (!PyArg_ParseTuple(args, "nn", &i, &j)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4480 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4481 res = (*func)(self, i, j, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4482 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4483 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4484 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4485 return Py_None; |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4486 } |
|
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
4487 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4488 /* 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
|
4489 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4490 wrap_objobjproc(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4491 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4492 objobjproc func = (objobjproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4493 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4494 PyObject *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4495 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4496 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4497 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4498 value = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4499 res = (*func)(self, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4500 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4501 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4502 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4503 return PyBool_FromLong(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4504 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4505 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4506 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4507 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
|
4508 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4509 objobjargproc func = (objobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4510 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4511 PyObject *key, *value; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4512 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4513 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4514 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4515 res = (*func)(self, key, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4516 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4517 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4518 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4519 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4520 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4521 |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4522 static PyObject * |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4523 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
|
4524 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4525 objobjargproc func = (objobjargproc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4526 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4527 PyObject *key; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4528 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4529 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4530 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4531 key = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4532 res = (*func)(self, key, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4533 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4534 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4535 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4536 return Py_None; |
|
18941
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4537 } |
|
013cffcfd8a3
Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents:
18933
diff
changeset
|
4538 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4539 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4540 wrap_cmpfunc(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4541 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4542 cmpfunc func = (cmpfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4543 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4544 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4545 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4546 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4547 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4548 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4549 if (Py_TYPE(other)->tp_compare != func && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4550 !PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self))) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4551 PyErr_Format( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4552 PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4553 "%s.__cmp__(x,y) requires y to be a '%s', not a '%s'", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4554 Py_TYPE(self)->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4555 Py_TYPE(self)->tp_name, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4556 Py_TYPE(other)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4557 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4558 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4559 res = (*func)(self, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4560 if (PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4561 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4562 return PyInt_FromLong((long)res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4563 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4564 |
|
28608
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4565 /* 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
|
4566 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
|
4567 static int |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4568 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
|
4569 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4570 PyTypeObject *type = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4571 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4572 type = type->tp_base; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4573 /* If type is NULL now, this is a really weird type. |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4574 In the spirit of backwards compatibility (?), just shut up. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4575 if (type && type->tp_setattro != func) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4576 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4577 "can't apply this %s to %s object", |
|
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changeset
|
4578 what, |
|
e38335d4df91
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changeset
|
4579 type->tp_name); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4580 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4581 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4582 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
|
4583 } |
|
8322077d234c
Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents:
28607
diff
changeset
|
4584 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4585 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4586 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
|
4587 { |
|
61465
e38335d4df91
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changeset
|
4588 setattrofunc func = (setattrofunc)wrapped; |
|
e38335d4df91
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changeset
|
4589 int res; |
|
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changeset
|
4590 PyObject *name, *value; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4591 |
|
e38335d4df91
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changeset
|
4592 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4593 return NULL; |
|
e38335d4df91
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diff
changeset
|
4594 if (!hackcheck(self, func, "__setattr__")) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4595 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4596 res = (*func)(self, name, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4597 if (res < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4598 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4599 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4600 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4601 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4602 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4603 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4604 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
|
4605 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4606 setattrofunc func = (setattrofunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4607 int res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4608 PyObject *name; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4609 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4610 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4611 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4612 name = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4613 if (!hackcheck(self, func, "__delattr__")) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4614 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4615 res = (*func)(self, name, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4616 if (res < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4617 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4618 Py_INCREF(Py_None); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4619 return Py_None; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4620 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4621 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4622 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4623 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
|
4624 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4625 hashfunc func = (hashfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4626 long res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4627 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4628 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4629 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4630 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4631 if (res == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4632 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4633 return PyInt_FromLong(res); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4634 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4635 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4636 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
|
4637 wrap_call(PyObject *self, PyObject *args, void *wrapped, PyObject *kwds) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4638 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4639 ternaryfunc func = (ternaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4640 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4641 return (*func)(self, args, kwds); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4642 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4643 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4644 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4645 wrap_richcmpfunc(PyObject *self, PyObject *args, void *wrapped, int op) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4646 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4647 richcmpfunc func = (richcmpfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4648 PyObject *other; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4649 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4650 if (!check_num_args(args, 1)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4651 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4652 other = PyTuple_GET_ITEM(args, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4653 return (*func)(self, other, op); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4654 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4655 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4656 #undef RICHCMP_WRAPPER |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4657 #define RICHCMP_WRAPPER(NAME, OP) \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4658 static PyObject * \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4659 richcmp_##NAME(PyObject *self, PyObject *args, void *wrapped) \ |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4660 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4661 return wrap_richcmpfunc(self, args, wrapped, OP); \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4662 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4663 |
|
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
|
4664 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
|
4665 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
|
4666 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
|
4667 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
|
4668 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
|
4669 RICHCMP_WRAPPER(ge, Py_GE) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4670 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4671 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4672 wrap_next(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4673 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4674 unaryfunc func = (unaryfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4675 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4676 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4677 if (!check_num_args(args, 0)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4678 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4679 res = (*func)(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4680 if (res == NULL && !PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4681 PyErr_SetNone(PyExc_StopIteration); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4682 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4683 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4684 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4685 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4686 wrap_descr_get(PyObject *self, PyObject *args, void *wrapped) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4687 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4688 descrgetfunc func = (descrgetfunc)wrapped; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4689 PyObject *obj; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4690 PyObject *type = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4691 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4692 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4693 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4694 if (obj == Py_None) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4695 obj = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4696 if (type == Py_None) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4697 type = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
4698 if (type == NULL &&obj == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
4699 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
4700 "__get__(None, None) is invalid"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4701 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4702 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4703 return (*func)(self, obj, type); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4704 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4705 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4706 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
|
4707 wrap_descr_set(PyObject *self, PyObject *args, void *wrapped) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4708 { |
|
61465
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|
4709 descrsetfunc func = (descrsetfunc)wrapped; |
|
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|
4710 PyObject *obj, *value; |
|
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|
4711 int ret; |
|
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|
4712 |
|
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|
4713 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value)) |
|
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|
4714 return NULL; |
|
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|
4715 ret = (*func)(self, obj, value); |
|
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|
4716 if (ret < 0) |
|
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|
4717 return NULL; |
|
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|
4718 Py_INCREF(Py_None); |
|
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|
4719 return Py_None; |
|
18933
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4720 } |
|
24614
40eb80dc4250
Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents:
24460
diff
changeset
|
4721 |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4722 static PyObject * |
|
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4723 wrap_descr_delete(PyObject *self, PyObject *args, void *wrapped) |
|
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4724 { |
|
61465
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|
4725 descrsetfunc func = (descrsetfunc)wrapped; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4726 PyObject *obj; |
|
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|
4727 int ret; |
|
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|
4728 |
|
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|
4729 if (!check_num_args(args, 1)) |
|
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|
4730 return NULL; |
|
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|
4731 obj = PyTuple_GET_ITEM(args, 0); |
|
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|
4732 ret = (*func)(self, obj, NULL); |
|
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|
4733 if (ret < 0) |
|
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|
4734 return NULL; |
|
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|
4735 Py_INCREF(Py_None); |
|
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|
4736 return Py_None; |
|
24460
2d77be41ee5f
SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents:
24427
diff
changeset
|
4737 } |
|
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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|
4738 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4739 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
|
4740 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
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|
4741 { |
|
61465
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|
4742 initproc func = (initproc)wrapped; |
|
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|
4743 |
|
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|
4744 if (func(self, args, kwds) < 0) |
|
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|
4745 return NULL; |
|
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|
4746 Py_INCREF(Py_None); |
|
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|
4747 return Py_None; |
|
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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|
4748 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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changeset
|
4749 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
4750 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
|
4751 tp_new_wrapper(PyObject *self, PyObject *args, PyObject *kwds) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
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parents:
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diff
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|
4752 { |
|
61465
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|
4753 PyTypeObject *type, *subtype, *staticbase; |
|
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|
4754 PyObject *arg0, *res; |
|
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|
4755 |
|
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|
4756 if (self == NULL || !PyType_Check(self)) |
|
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|
4757 Py_FatalError("__new__() called with non-type 'self'"); |
|
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|
4758 type = (PyTypeObject *)self; |
|
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|
4759 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) { |
|
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|
4760 PyErr_Format(PyExc_TypeError, |
|
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|
4761 "%s.__new__(): not enough arguments", |
|
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|
4762 type->tp_name); |
|
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|
4763 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
4764 } |
|
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|
4765 arg0 = PyTuple_GET_ITEM(args, 0); |
|
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|
4766 if (!PyType_Check(arg0)) { |
|
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|
4767 PyErr_Format(PyExc_TypeError, |
|
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|
4768 "%s.__new__(X): X is not a type object (%s)", |
|
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|
4769 type->tp_name, |
|
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|
4770 Py_TYPE(arg0)->tp_name); |
|
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|
4771 return NULL; |
|
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|
4772 } |
|
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|
4773 subtype = (PyTypeObject *)arg0; |
|
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|
4774 if (!PyType_IsSubtype(subtype, type)) { |
|
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|
4775 PyErr_Format(PyExc_TypeError, |
|
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|
4776 "%s.__new__(%s): %s is not a subtype of %s", |
|
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|
4777 type->tp_name, |
|
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|
4778 subtype->tp_name, |
|
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|
4779 subtype->tp_name, |
|
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|
4780 type->tp_name); |
|
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|
4781 return NULL; |
|
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|
4782 } |
|
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|
4783 |
|
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|
4784 /* Check that the use doesn't do something silly and unsafe like |
|
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|
4785 object.__new__(dict). To do this, we check that the |
|
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|
4786 most derived base that's not a heap type is this type. */ |
|
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|
4787 staticbase = subtype; |
|
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|
4788 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE)) |
|
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|
4789 staticbase = staticbase->tp_base; |
|
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|
4790 /* If staticbase is NULL now, it is a really weird type. |
|
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|
4791 In the spirit of backwards compatibility (?), just shut up. */ |
|
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|
4792 if (staticbase && staticbase->tp_new != type->tp_new) { |
|
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|
4793 PyErr_Format(PyExc_TypeError, |
|
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|
4794 "%s.__new__(%s) is not safe, use %s.__new__()", |
|
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|
4795 type->tp_name, |
|
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|
4796 subtype->tp_name, |
|
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|
4797 staticbase == NULL ? "?" : staticbase->tp_name); |
|
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|
4798 return NULL; |
|
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|
4799 } |
|
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|
4800 |
|
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|
4801 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args)); |
|
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|
4802 if (args == NULL) |
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|
4803 return NULL; |
|
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|
4804 res = type->tp_new(subtype, args, kwds); |
|
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|
4805 Py_DECREF(args); |
|
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|
4806 return res; |
|
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|
4807 } |
|
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|
4808 |
|
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
|
4809 static struct PyMethodDef tp_new_methoddef[] = { |
|
61465
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|
4810 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS, |
|
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4811 PyDoc_STR("T.__new__(S, ...) -> " |
|
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4812 "a new object with type S, a subtype of T")}, |
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|
4813 {0} |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4814 }; |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4815 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4816 static int |
|
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
|
4817 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
|
4818 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4819 PyObject *func; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4820 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4821 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4822 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4823 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4824 if (func == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4825 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4826 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4827 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4828 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4829 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4830 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4831 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
|
4832 } |
|
c1daa94c21d8
A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents:
18941
diff
changeset
|
4833 |
| 19036 | 4834 /* Slot wrappers that call the corresponding __foo__ slot. See comments |
| 4835 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
|
4836 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4837 #define SLOT0(FUNCNAME, OPSTR) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4838 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4839 FUNCNAME(PyObject *self) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4840 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4841 static PyObject *cache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4842 return call_method(self, OPSTR, &cache_str, "()"); \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4843 } |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4844 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4845 #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
|
4846 static PyObject * \ |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4847 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
|
4848 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4849 static PyObject *cache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4850 return call_method(self, OPSTR, &cache_str, "(" ARGCODES ")", arg1); \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4851 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4852 |
|
27124
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4853 /* 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
|
4854 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
|
4855 static int |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4856 method_is_overloaded(PyObject *left, PyObject *right, char *name) |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4857 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4858 PyObject *a, *b; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4859 int ok; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4860 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4861 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4862 if (b == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4863 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4864 /* If right doesn't have it, it's not overloaded */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4865 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4866 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4867 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4868 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4869 if (a == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4870 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4871 Py_DECREF(b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4872 /* If right has it but left doesn't, it's overloaded */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4873 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4874 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4875 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4876 ok = PyObject_RichCompareBool(a, b, Py_NE); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4877 Py_DECREF(a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4878 Py_DECREF(b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4879 if (ok < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4880 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4881 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4882 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4883 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4884 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
|
4885 } |
|
d1850a36ae41
Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents:
26964
diff
changeset
|
4886 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4887 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4888 #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
|
4889 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4890 FUNCNAME(PyObject *self, PyObject *other) \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4891 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4892 static PyObject *cache_str, *rcache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4893 int do_other = Py_TYPE(self) != Py_TYPE(other) && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4894 Py_TYPE(other)->tp_as_number != NULL && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4895 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4896 if (Py_TYPE(self)->tp_as_number != NULL && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4897 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4898 PyObject *r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4899 if (do_other && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4900 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4901 method_is_overloaded(self, other, ROPSTR)) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4902 r = call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4903 other, ROPSTR, &rcache_str, "(O)", self); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4904 if (r != Py_NotImplemented) \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4905 return r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4906 Py_DECREF(r); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4907 do_other = 0; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4908 } \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4909 r = call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4910 self, OPSTR, &cache_str, "(O)", other); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4911 if (r != Py_NotImplemented || \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4912 Py_TYPE(other) == Py_TYPE(self)) \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4913 return r; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4914 Py_DECREF(r); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4915 } \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4916 if (do_other) { \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4917 return call_maybe( \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4918 other, ROPSTR, &rcache_str, "(O)", self); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4919 } \ |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4920 Py_INCREF(Py_NotImplemented); \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4921 return Py_NotImplemented; \ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4922 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4923 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4924 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4925 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
|
4926 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4927 #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
|
4928 static PyObject * \ |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
4929 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
|
4930 { \ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4931 static PyObject *cache_str; \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4932 return call_method(self, OPSTR, &cache_str, \ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4933 "(" ARGCODES ")", arg1, arg2); \ |
|
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 |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4936 static Py_ssize_t |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4937 slot_sq_length(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4938 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4939 static PyObject *len_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4940 PyObject *res = call_method(self, "__len__", &len_str, "()"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4941 Py_ssize_t len; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
4942 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4943 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4944 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4945 len = PyInt_AsSsize_t(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4946 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4947 if (len < 0) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4948 if (!PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
4949 PyErr_SetString(PyExc_ValueError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
4950 "__len__() should return >= 0"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4951 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4952 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4953 return len; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4954 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
4955 |
|
20229
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
4956 /* 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
|
4957 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
|
4958 static PyObject * |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
4959 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
|
4960 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4961 static PyObject *getitem_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4962 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4963 descrgetfunc f; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4964 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4965 if (getitem_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4966 getitem_str = PyString_InternFromString("__getitem__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4967 if (getitem_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4968 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4969 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4970 func = _PyType_Lookup(Py_TYPE(self), getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4971 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4972 if ((f = Py_TYPE(func)->tp_descr_get) == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4973 Py_INCREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4974 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4975 func = f(func, self, (PyObject *)(Py_TYPE(self))); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4976 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4977 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4978 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4979 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4980 ival = PyInt_FromSsize_t(i); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4981 if (ival != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4982 args = PyTuple_New(1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4983 if (args != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4984 PyTuple_SET_ITEM(args, 0, ival); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4985 retval = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4986 Py_XDECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4987 Py_XDECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4988 return retval; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4989 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4990 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4991 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4992 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4993 PyErr_SetObject(PyExc_AttributeError, getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4994 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4995 Py_XDECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4996 Py_XDECREF(ival); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4997 Py_XDECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
4998 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
|
4999 } |
|
8bad55edfdf3
*EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents:
20225
diff
changeset
|
5000 |
|
48854
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
5001 static PyObject* |
|
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
5002 slot_sq_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j) |
|
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
5003 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5004 static PyObject *getslice_str; |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5005 |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5006 if (PyErr_WarnPy3k("in 3.x, __getslice__ has been removed; " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5007 "use __getitem__", 1) < 0) |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
5008 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5009 return call_method(self, "__getslice__", &getslice_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5010 "nn", i, j); |
|
48854
6ea1a720b057
generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents:
48213
diff
changeset
|
5011 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5012 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5013 static int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5014 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
|
5015 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5016 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5017 static PyObject *delitem_str, *setitem_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5018 |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5019 if (value == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5020 res = call_method(self, "__delitem__", &delitem_str, |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5021 "(n)", index); |
|
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changeset
|
5022 else |
|
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changeset
|
5023 res = call_method(self, "__setitem__", &setitem_str, |
|
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changeset
|
5024 "(nO)", index, value); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5025 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5026 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5027 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5028 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5029 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5030 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5031 static int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36169
diff
changeset
|
5032 slot_sq_ass_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j, PyObject *value) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5033 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5034 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5035 static PyObject *delslice_str, *setslice_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5036 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5037 if (value == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5038 if (PyErr_WarnPy3k("in 3.x, __delslice__ has been removed; " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5039 "use __delitem__", 1) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5040 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5041 res = call_method(self, "__delslice__", &delslice_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5042 "(nn)", i, j); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5043 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5044 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5045 if (PyErr_WarnPy3k("in 3.x, __setslice__ has been removed; " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5046 "use __setitem__", 1) < 0) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5047 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5048 res = call_method(self, "__setslice__", &setslice_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5049 "(nnO)", i, j, value); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
5050 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
5051 if (res == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5052 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5053 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5054 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5055 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5056 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5057 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5058 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
|
5059 { |
|
61465
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changeset
|
5060 PyObject *func, *res, *args; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5061 int result = -1; |
|
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|
5062 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5063 static PyObject *contains_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
5064 |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5065 func = lookup_maybe(self, "__contains__", &contains_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5066 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5067 args = PyTuple_Pack(1, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
5068 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5069 res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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|
5070 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5071 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5072 Py_DECREF(args); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
5073 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5074 Py_DECREF(func); |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5075 if (res != NULL) { |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
5076 result = PyObject_IsTrue(res); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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changeset
|
5077 Py_DECREF(res); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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|
5078 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
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|
5079 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5080 else if (! PyErr_Occurred()) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5081 /* Possible results: -1 and 1 */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5082 result = (int)_PySequence_IterSearch(self, value, |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5083 PY_ITERSEARCH_CONTAINS); |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5084 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5085 return result; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5086 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5087 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5088 #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
|
5089 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5090 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
|
5091 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5092 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5093 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
|
5094 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
57749
diff
changeset
|
5095 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5096 static PyObject *delitem_str, *setitem_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5097 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5098 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5099 res = call_method(self, "__delitem__", &delitem_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5100 "(O)", key); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5101 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5102 res = call_method(self, "__setitem__", &setitem_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5103 "(OO)", key, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5104 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5105 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5106 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5107 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5108 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5109 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5110 SLOT1BIN(slot_nb_add, nb_add, "__add__", "__radd__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5111 SLOT1BIN(slot_nb_subtract, nb_subtract, "__sub__", "__rsub__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5112 SLOT1BIN(slot_nb_multiply, nb_multiply, "__mul__", "__rmul__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5113 SLOT1BIN(slot_nb_divide, nb_divide, "__div__", "__rdiv__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5114 SLOT1BIN(slot_nb_remainder, nb_remainder, "__mod__", "__rmod__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5115 SLOT1BIN(slot_nb_divmod, nb_divmod, "__divmod__", "__rdivmod__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5116 |
|
24280
1598a1e473e2
staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24250
diff
changeset
|
5117 static PyObject *slot_nb_power(PyObject *, PyObject *, PyObject *); |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5118 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5119 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power, |
|
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changeset
|
5120 nb_power, "__pow__", "__rpow__") |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5121 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5122 static PyObject * |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5123 slot_nb_power(PyObject *self, PyObject *other, PyObject *modulus) |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5124 { |
|
61465
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changeset
|
5125 static PyObject *pow_str; |
|
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|
5126 |
|
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changeset
|
5127 if (modulus == Py_None) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
5128 return slot_nb_power_binary(self, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5129 /* Three-arg power doesn't use __rpow__. But ternary_op |
|
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|
5130 can call this when the second argument's type uses |
|
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|
5131 slot_nb_power, so check before calling self.__pow__. */ |
|
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|
5132 if (Py_TYPE(self)->tp_as_number != NULL && |
|
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changeset
|
5133 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) { |
|
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|
5134 return call_method(self, "__pow__", &pow_str, |
|
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|
5135 "(OO)", other, modulus); |
|
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|
5136 } |
|
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|
5137 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
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changeset
|
5138 return Py_NotImplemented; |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5139 } |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5140 |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5141 SLOT0(slot_nb_negative, "__neg__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5142 SLOT0(slot_nb_positive, "__pos__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5143 SLOT0(slot_nb_absolute, "__abs__") |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5144 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5145 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5146 slot_nb_nonzero(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5147 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5148 PyObject *func, *args; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5149 static PyObject *nonzero_str, *len_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5150 int result = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5151 int using_len = 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5152 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5153 func = lookup_maybe(self, "__nonzero__", &nonzero_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5154 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5155 if (PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5156 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5157 func = lookup_maybe(self, "__len__", &len_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5158 if (func == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5159 return PyErr_Occurred() ? -1 : 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5160 using_len = 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5161 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5162 args = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5163 if (args != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5164 PyObject *temp = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5165 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5166 if (temp != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5167 if (PyInt_CheckExact(temp) || PyBool_Check(temp)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5168 result = PyObject_IsTrue(temp); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5169 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5170 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5171 "%s should return " |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5172 "bool or int, returned %s", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5173 (using_len ? "__len__" |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5174 : "__nonzero__"), |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5175 temp->ob_type->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5176 result = -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5177 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5178 Py_DECREF(temp); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5179 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5180 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5181 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5182 return result; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5183 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5184 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5185 |
|
39463
6cafdc81cfde
Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents:
39415
diff
changeset
|
5186 static PyObject * |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5187 slot_nb_index(PyObject *self) |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5188 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5189 static PyObject *index_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5190 return call_method(self, "__index__", &index_str, "()"); |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5191 } |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5192 |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36866
diff
changeset
|
5193 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5194 SLOT0(slot_nb_invert, "__invert__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5195 SLOT1BIN(slot_nb_lshift, nb_lshift, "__lshift__", "__rlshift__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5196 SLOT1BIN(slot_nb_rshift, nb_rshift, "__rshift__", "__rrshift__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5197 SLOT1BIN(slot_nb_and, nb_and, "__and__", "__rand__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5198 SLOT1BIN(slot_nb_xor, nb_xor, "__xor__", "__rxor__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5199 SLOT1BIN(slot_nb_or, nb_or, "__or__", "__ror__") |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5200 |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5201 static int |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5202 slot_nb_coerce(PyObject **a, PyObject **b) |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5203 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5204 static PyObject *coerce_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5205 PyObject *self = *a, *other = *b; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5206 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5207 if (self->ob_type->tp_as_number != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5208 self->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5209 PyObject *r; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5210 r = call_maybe( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5211 self, "__coerce__", &coerce_str, "(O)", other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5212 if (r == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5213 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5214 if (r == Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5215 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5216 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5217 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5218 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5219 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5220 "__coerce__ didn't return a 2-tuple"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5221 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5222 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5223 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5224 *a = PyTuple_GET_ITEM(r, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5225 Py_INCREF(*a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5226 *b = PyTuple_GET_ITEM(r, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5227 Py_INCREF(*b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5228 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
5229 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5230 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5231 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5232 if (other->ob_type->tp_as_number != NULL && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5233 other->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5234 PyObject *r; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5235 r = call_maybe( |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
5236 other, "__coerce__", &coerce_str, "(O)", self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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changeset
|
5237 if (r == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
5238 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5239 if (r == Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5240 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5241 return 1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5242 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5243 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
5244 PyErr_SetString(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5245 "__coerce__ didn't return a 2-tuple"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5246 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5247 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5248 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5249 *a = PyTuple_GET_ITEM(r, 1); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5250 Py_INCREF(*a); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5251 *b = PyTuple_GET_ITEM(r, 0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5252 Py_INCREF(*b); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5253 Py_DECREF(r); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5254 return 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5255 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5256 return 1; |
|
20140
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5257 } |
|
225f17ec8932
Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents:
20095
diff
changeset
|
5258 |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5259 SLOT0(slot_nb_int, "__int__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5260 SLOT0(slot_nb_long, "__long__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5261 SLOT0(slot_nb_float, "__float__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5262 SLOT0(slot_nb_oct, "__oct__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5263 SLOT0(slot_nb_hex, "__hex__") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5264 SLOT1(slot_nb_inplace_add, "__iadd__", PyObject *, "O") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5265 SLOT1(slot_nb_inplace_subtract, "__isub__", PyObject *, "O") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5266 SLOT1(slot_nb_inplace_multiply, "__imul__", PyObject *, "O") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5267 SLOT1(slot_nb_inplace_divide, "__idiv__", PyObject *, "O") |
|
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5268 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O") |
|
40778
83efff4d5ae9
Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents:
40705
diff
changeset
|
5269 /* Can't use SLOT1 here, because nb_inplace_power is ternary */ |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5270 static PyObject * |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5271 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5272 { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5273 static PyObject *cache_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5274 return call_method(self, "__ipow__", &cache_str, "(" "O" ")", arg1); |
|
40778
83efff4d5ae9
Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents:
40705
diff
changeset
|
5275 } |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5276 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
|
5277 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
|
5278 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
|
5279 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
|
5280 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
|
5281 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide, |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5282 "__floordiv__", "__rfloordiv__") |
|
19082
88d124c74766
Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents:
19070
diff
changeset
|
5283 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
|
5284 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
|
5285 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
|
5286 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5287 static int |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5288 half_compare(PyObject *self, PyObject *other) |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5289 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5290 PyObject *func, *args, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5291 static PyObject *cmp_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5292 Py_ssize_t c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5293 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5294 func = lookup_method(self, "__cmp__", &cmp_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5295 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5296 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5297 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5298 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5299 args = PyTuple_Pack(1, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5300 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5301 res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5302 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5303 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5304 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5305 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5306 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5307 if (res != Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5308 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5309 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5310 c = PyInt_AsLong(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5311 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5312 if (c == -1 && PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5313 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5314 return (c < 0) ? -1 : (c > 0) ? 1 : 0; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5315 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5316 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5317 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5318 return 2; |
|
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 |
|
19970
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5321 /* This slot is published for the benefit of try_3way_compare in object.c */ |
|
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5322 int |
|
f761cab28c1c
Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents:
19964
diff
changeset
|
5323 _PyObject_SlotCompare(PyObject *self, PyObject *other) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5324 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5325 int c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5326 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5327 if (Py_TYPE(self)->tp_compare == _PyObject_SlotCompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5328 c = half_compare(self, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5329 if (c <= 1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5330 return c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5331 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5332 if (Py_TYPE(other)->tp_compare == _PyObject_SlotCompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5333 c = half_compare(other, self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5334 if (c < -1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5335 return -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5336 if (c <= 1) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5337 return -c; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5338 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5339 return (void *)self < (void *)other ? -1 : |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5340 (void *)self > (void *)other ? 1 : 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5341 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5342 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5343 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5344 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
|
5345 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5346 PyObject *func, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5347 static PyObject *repr_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5348 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5349 func = lookup_method(self, "__repr__", &repr_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5350 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5351 res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5352 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5353 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5354 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5355 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5356 return PyString_FromFormat("<%s object at %p>", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5357 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
|
5358 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5359 |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5360 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5361 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
|
5362 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5363 PyObject *func, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5364 static PyObject *str_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5365 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5366 func = lookup_method(self, "__str__", &str_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5367 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5368 res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5369 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5370 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5371 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5372 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5373 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5374 return slot_tp_repr(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5375 } |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5376 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5377 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5378 static long |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5379 slot_tp_hash(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5380 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5381 PyObject *func; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5382 static PyObject *hash_str, *eq_str, *cmp_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5383 long h; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5384 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5385 func = lookup_method(self, "__hash__", &hash_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5386 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5387 if (func != NULL && func != Py_None) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5388 PyObject *res = PyEval_CallObject(func, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5389 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5390 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5391 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5392 if (PyLong_Check(res)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5393 h = PyLong_Type.tp_hash(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5394 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5395 h = PyInt_AsLong(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5396 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5397 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5398 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5399 Py_XDECREF(func); /* may be None */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5400 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5401 func = lookup_method(self, "__eq__", &eq_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5402 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5403 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5404 func = lookup_method(self, "__cmp__", &cmp_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5405 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5406 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5407 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5408 return PyObject_HashNotImplemented(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5409 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5410 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5411 h = _Py_HashPointer((void *)self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5412 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5413 if (h == -1 && !PyErr_Occurred()) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5414 h = -2; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5415 return h; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5416 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5417 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5418 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5419 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
|
5420 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5421 static PyObject *call_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5422 PyObject *meth = lookup_method(self, "__call__", &call_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5423 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5424 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5425 if (meth == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5426 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5427 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5428 res = PyObject_Call(meth, args, kwds); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5429 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5430 Py_DECREF(meth); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5431 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5432 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5433 |
|
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
|
5434 /* 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
|
5435 |
|
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
|
5436 - 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
|
5437 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
|
5438 |
|
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
|
5439 - 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
|
5440 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
5441 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
|
5442 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
|
5443 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
|
5444 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5445 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5446 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
|
5447 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5448 static PyObject *getattribute_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5449 return call_method(self, "__getattribute__", &getattribute_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5450 "(O)", name); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5451 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5452 |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5453 static PyObject * |
|
49745
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5454 call_attribute(PyObject *self, PyObject *attr, PyObject *name) |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5455 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5456 PyObject *res, *descr = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5457 descrgetfunc f = Py_TYPE(attr)->tp_descr_get; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5458 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5459 if (f != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5460 descr = f(attr, self, (PyObject *)(Py_TYPE(self))); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5461 if (descr == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5462 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5463 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5464 attr = descr; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5465 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5466 res = PyObject_CallFunctionObjArgs(attr, name, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5467 Py_XDECREF(descr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5468 return res; |
|
49745
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5469 } |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5470 |
|
936a6e60f3eb
backport r67246 from the trunk
Benjamin Peterson <benjamin@python.org>
parents:
44753
diff
changeset
|
5471 static PyObject * |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5472 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
|
5473 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5474 PyTypeObject *tp = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5475 PyObject *getattr, *getattribute, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5476 static PyObject *getattribute_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5477 static PyObject *getattr_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5478 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5479 if (getattr_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5480 getattr_str = PyString_InternFromString("__getattr__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5481 if (getattr_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5482 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5483 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5484 if (getattribute_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5485 getattribute_str = |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5486 PyString_InternFromString("__getattribute__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5487 if (getattribute_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5488 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5489 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5490 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5491 method fully for each attribute lookup for classes with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5492 __getattr__, even when the attribute is present. So we use |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5493 _PyType_Lookup and create the method only when needed, with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5494 call_attribute. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5495 getattr = _PyType_Lookup(tp, getattr_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5496 if (getattr == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5497 /* No __getattr__ hook: use a simpler dispatcher */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5498 tp->tp_getattro = slot_tp_getattro; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5499 return slot_tp_getattro(self, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5500 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5501 Py_INCREF(getattr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5502 /* speed hack: we could use lookup_maybe, but that would resolve the |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5503 method fully for each attribute lookup for classes with |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5504 __getattr__, even when self has the default __getattribute__ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5505 method. So we use _PyType_Lookup and create the method only when |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5506 needed, with call_attribute. */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5507 getattribute = _PyType_Lookup(tp, getattribute_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5508 if (getattribute == NULL || |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5509 (Py_TYPE(getattribute) == &PyWrapperDescr_Type && |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5510 ((PyWrapperDescrObject *)getattribute)->d_wrapped == |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5511 (void *)PyObject_GenericGetAttr)) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5512 res = PyObject_GenericGetAttr(self, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5513 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5514 Py_INCREF(getattribute); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5515 res = call_attribute(self, getattribute, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5516 Py_DECREF(getattribute); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5517 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5518 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5519 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5520 res = call_attribute(self, getattr, name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5521 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5522 Py_DECREF(getattr); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5523 return res; |
|
20028
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5524 } |
|
df1b83fd0ebb
Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents:
20021
diff
changeset
|
5525 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5526 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5527 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
|
5528 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5529 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5530 static PyObject *delattr_str, *setattr_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5531 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5532 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5533 res = call_method(self, "__delattr__", &delattr_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5534 "(O)", name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5535 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5536 res = call_method(self, "__setattr__", &setattr_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5537 "(OO)", name, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5538 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5539 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5540 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5541 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5542 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5543 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5544 static char *name_op[] = { |
|
44357
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5545 "__lt__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5546 "__le__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5547 "__eq__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5548 "__ne__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5549 "__gt__", |
|
174e0bcb2c3c
Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents:
44350
diff
changeset
|
5550 "__ge__", |
|
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 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5553 static PyObject * |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5554 half_richcompare(PyObject *self, PyObject *other, int op) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5555 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5556 PyObject *func, *args, *res; |
|
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Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5557 static PyObject *op_str[6]; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5558 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5559 func = lookup_method(self, name_op[op], &op_str[op]); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5560 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5561 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5562 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5563 return Py_NotImplemented; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5564 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5565 args = PyTuple_Pack(1, other); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5566 if (args == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5567 res = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5568 else { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5569 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5570 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5571 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5572 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5573 return res; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5574 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5575 |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5576 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5577 slot_tp_richcompare(PyObject *self, PyObject *other, int op) |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5578 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5579 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5580 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5581 if (Py_TYPE(self)->tp_richcompare == slot_tp_richcompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5582 res = half_richcompare(self, other, op); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5583 if (res != Py_NotImplemented) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5584 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5585 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5586 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5587 if (Py_TYPE(other)->tp_richcompare == slot_tp_richcompare) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5588 res = half_richcompare(other, self, _Py_SwappedOp[op]); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5589 if (res != Py_NotImplemented) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5590 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5591 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5592 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5593 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5594 Py_INCREF(Py_NotImplemented); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5595 return Py_NotImplemented; |
|
19289
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5596 } |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5597 |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5598 static PyObject * |
|
5c2bf6cde123
- Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents:
19253
diff
changeset
|
5599 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
|
5600 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5601 PyObject *func, *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5602 static PyObject *iter_str, *getitem_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5603 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5604 func = lookup_method(self, "__iter__", &iter_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5605 if (func != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5606 PyObject *args; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5607 args = res = PyTuple_New(0); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5608 if (args != NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5609 res = PyObject_Call(func, args, NULL); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5610 Py_DECREF(args); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5611 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5612 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5613 return res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5614 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5615 PyErr_Clear(); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5616 func = lookup_method(self, "__getitem__", &getitem_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5617 if (func == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5618 PyErr_Format(PyExc_TypeError, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5619 "'%.200s' object is not iterable", |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5620 Py_TYPE(self)->tp_name); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5621 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5622 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5623 Py_DECREF(func); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5624 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
|
5625 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5626 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5627 static PyObject * |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5628 slot_tp_iternext(PyObject *self) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5629 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5630 static PyObject *next_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5631 return call_method(self, "next", &next_str, "()"); |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5632 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5633 |
|
19339
6130deeb4cc6
type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents:
19329
diff
changeset
|
5634 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
|
5635 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
|
5636 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5637 PyTypeObject *tp = Py_TYPE(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5638 PyObject *get; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5639 static PyObject *get_str = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5640 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5641 if (get_str == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5642 get_str = PyString_InternFromString("__get__"); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5643 if (get_str == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5644 return NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5645 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5646 get = _PyType_Lookup(tp, get_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5647 if (get == NULL) { |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5648 /* Avoid further slowdowns */ |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5649 if (tp->tp_descr_get == slot_tp_descr_get) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5650 tp->tp_descr_get = NULL; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5651 Py_INCREF(self); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5652 return self; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5653 } |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5654 if (obj == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5655 obj = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5656 if (type == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5657 type = Py_None; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5658 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
|
5659 } |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5660 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5661 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5662 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
|
5663 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5664 PyObject *res; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5665 static PyObject *del_str, *set_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5666 |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5667 if (value == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5668 res = call_method(self, "__delete__", &del_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5669 "(O)", target); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5670 else |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5671 res = call_method(self, "__set__", &set_str, |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5672 "(OO)", target, value); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
5673 if (res == NULL) |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5674 return -1; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5675 Py_DECREF(res); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5676 return 0; |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5677 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5678 |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5679 static int |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5680 slot_tp_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18068
diff
changeset
|
5681 { |
|
61465
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5682 static PyObject *init_str; |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
57749
diff
changeset
|
5683 PyObject *meth = lookup_method(self, "__init__", &init_str); |
|
e38335d4df91
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
5684 PyObject *res; |
|
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|
5685 |
|
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|
5686 if (meth == NULL) |
|
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|
5687 return -1; |
|
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|
5688 res = PyObject_Call(meth, args, kwds); |
|
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|
5689 Py_DECREF(meth); |
|
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|
5690 if (res == NULL) |
|
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|
5691 return -1; |
|
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|
5692 if (res != Py_None) { |
|
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|
5693 PyErr_Format(PyExc_TypeError, |
|
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|
5694 "__init__() should return None, not '%.200s'", |
|
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|
5695 Py_TYPE(res)->tp_name); |
|
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|
5696 Py_DECREF(res); |
|
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|
5697 return -1; |
|
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|
5698 } |
|
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|
5699 Py_DECREF(res); |
|
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|
5700 return 0; |
|
18933
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
5701 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
5702 |
|
09df3254b49d
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Tim Peters <tim.peters@gmail.com>
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|
5703 static PyObject * |
|
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Tim Peters <tim.peters@gmail.com>
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|
5704 slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
|
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|
5705 { |
|
61465
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|
5706 static PyObject *new_str; |
|
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|
5707 PyObject *func; |
|
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|
5708 PyObject *newargs, *x; |
|
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|
5709 Py_ssize_t i, n; |
|
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5710 |
|
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|
5711 if (new_str == NULL) { |
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|
5712 new_str = PyString_InternFromString("__new__"); |
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|
5713 if (new_str == NULL) |
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5714 return NULL; |
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|
5715 } |
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5716 func = PyObject_GetAttr((PyObject *)type, new_str); |
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|
5717 if (func == NULL) |
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|
5718 return NULL; |
|
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|
5719 assert(PyTuple_Check(args)); |
|
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|
5720 n = PyTuple_GET_SIZE(args); |
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|
5721 newargs = PyTuple_New(n+1); |
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|
5722 if (newargs == NULL) |
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|
5723 return NULL; |
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|
5724 Py_INCREF(type); |
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|
5725 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type); |
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|
5726 for (i = 0; i < n; i++) { |
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5727 x = PyTuple_GET_ITEM(args, i); |
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|
5728 Py_INCREF(x); |
|
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|
5729 PyTuple_SET_ITEM(newargs, i+1, x); |
|
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5730 } |
|
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|
5731 x = PyObject_Call(func, newargs, kwds); |
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|
5732 Py_DECREF(newargs); |
|
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|
5733 Py_DECREF(func); |
|
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|
5734 return x; |
|
18933
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Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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|
5735 } |
|
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
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|
5736 |
|
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
|
5737 static void |
|
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
24653
diff
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|
5738 slot_tp_del(PyObject *self) |
|
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents:
24653
diff
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|
5739 { |
|
61465
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|
5740 static PyObject *del_str = NULL; |
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|
5741 PyObject *del, *res; |
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|
5742 PyObject *error_type, *error_value, *error_traceback; |
|
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5743 |
|
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|
5744 /* Temporarily resurrect the object. */ |
|
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|
5745 assert(self->ob_refcnt == 0); |
|
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|
5746 self->ob_refcnt = 1; |
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5747 |
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|
5748 /* Save the current exception, if any. */ |
|
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|
5749 PyErr_Fetch(&error_type, &error_value, &error_traceback); |
|
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|
5750 |
|
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|
5751 /* Execute __del__ method, if any. */ |
|
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|
5752 del = lookup_maybe(self, "__del__", &del_str); |
|
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|
5753 if (del != NULL) { |
|
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|
5754 res = PyEval_CallObject(del, NULL); |
|
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|
5755 if (res == NULL) |
|
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|
5756 PyErr_WriteUnraisable(del); |
|
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|
5757 else |
|
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|
5758 Py_DECREF(res); |
|
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|
5759 Py_DECREF(del); |
|
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|
5760 } |
|
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|
5761 |
|
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|
5762 /* Restore the saved exception. */ |
|
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|
5763 PyErr_Restore(error_type, error_value, error_traceback); |
|
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|
5764 |
|
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|
5765 /* Undo the temporary resurrection; can't use DECREF here, it would |
|
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|
5766 * cause a recursive call. |
|
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|
5767 */ |
|
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|
5768 assert(self->ob_refcnt > 0); |
|
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|
5769 if (--self->ob_refcnt == 0) |
|
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|
5770 return; /* this is the normal path out */ |
|
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|
5771 |
|
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|
5772 /* __del__ resurrected it! Make it look like the original Py_DECREF |
|
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|
5773 * never happened. |
|
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|
5774 */ |
|
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|
5775 { |
|
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|
5776 Py_ssize_t refcnt = self->ob_refcnt; |
|
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|
5777 _Py_NewReference(self); |
|
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|
5778 self->ob_refcnt = refcnt; |
|
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5779 } |
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5780 assert(!PyType_IS_GC(Py_TYPE(self)) || |
|
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|
5781 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED); |
|
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|
5782 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so |
|
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|
5783 * we need to undo that. */ |
|
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|
5784 _Py_DEC_REFTOTAL; |
|
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|
5785 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object |
|
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|
5786 * chain, so no more to do there. |
|
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|
5787 * If COUNT_ALLOCS, the original decref bumped tp_frees, and |
|
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5788 * _Py_NewReference bumped tp_allocs: both of those need to be |
|
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|
5789 * undone. |
|
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|
5790 */ |
|
24678
71dca7c76fa2
A modest speedup of object deallocation. call_finalizer() did rather
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|
5791 #ifdef COUNT_ALLOCS |
|
61465
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5792 --Py_TYPE(self)->tp_frees; |
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5793 --Py_TYPE(self)->tp_allocs; |
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5794 #endif |
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5795 } |
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5796 |
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5797 |
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5798 /* Table mapping __foo__ names to tp_foo offsets and slot_tp_foo wrapper |
|
28390
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slot_sq_contains(): This leaked a reference to the result of calling
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5799 functions. The offsets here are relative to the 'PyHeapTypeObject' |
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5800 structure, which incorporates the additional structures used for numbers, |
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5801 sequences and mappings. |
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5802 Note that multiple names may map to the same slot (e.g. __eq__, |
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5803 __ne__ etc. all map to tp_richcompare) and one name may map to multiple |
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5804 slots (e.g. __str__ affects tp_str as well as tp_repr). The table is |
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5805 terminated with an all-zero entry. (This table is further initialized and |
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5806 sorted in init_slotdefs() below.) */ |
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5807 |
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5808 typedef struct wrapperbase slotdef; |
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5809 |
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5810 #undef TPSLOT |
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5811 #undef FLSLOT |
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5812 #undef ETSLOT |
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5813 #undef SQSLOT |
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5814 #undef MPSLOT |
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5815 #undef NBSLOT |
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5816 #undef UNSLOT |
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5817 #undef IBSLOT |
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5818 #undef BINSLOT |
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5819 #undef RBINSLOT |
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5820 |
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5821 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5822 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
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5823 PyDoc_STR(DOC)} |
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5824 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \ |
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5825 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
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5826 PyDoc_STR(DOC), FLAGS} |
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5827 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5828 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \ |
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5829 PyDoc_STR(DOC)} |
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5830 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5831 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC) |
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5832 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5833 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC) |
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5834 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5835 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC) |
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5836 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5837 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5838 "x." NAME "() <==> " DOC) |
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5839 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \ |
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5840 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \ |
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5841 "x." NAME "(y) <==> x" DOC "y") |
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5842 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
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5843 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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5844 "x." NAME "(y) <==> x" DOC "y") |
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5845 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \ |
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5846 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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5847 "x." NAME "(y) <==> y" DOC "x") |
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5848 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5849 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \ |
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5850 "x." NAME "(y) <==> " DOC) |
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5851 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \ |
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5852 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \ |
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5853 "x." NAME "(y) <==> " DOC) |
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5854 |
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5855 static slotdef slotdefs[] = { |
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5856 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc, |
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5857 "x.__len__() <==> len(x)"), |
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5858 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL. |
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5859 The logic in abstract.c always falls back to nb_add/nb_multiply in |
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5860 this case. Defining both the nb_* and the sq_* slots to call the |
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5861 user-defined methods has unexpected side-effects, as shown by |
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5862 test_descr.notimplemented() */ |
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5863 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc, |
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5864 "x.__add__(y) <==> x+y"), |
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5865 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc, |
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5866 "x.__mul__(n) <==> x*n"), |
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5867 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc, |
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5868 "x.__rmul__(n) <==> n*x"), |
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5869 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item, |
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5870 "x.__getitem__(y) <==> x[y]"), |
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5871 SQSLOT("__getslice__", sq_slice, slot_sq_slice, wrap_ssizessizeargfunc, |
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5872 "x.__getslice__(i, j) <==> x[i:j]\n\ |
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5873 \n\ |
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5874 Use of negative indices is not supported."), |
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5875 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem, |
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5876 "x.__setitem__(i, y) <==> x[i]=y"), |
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5877 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem, |
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5878 "x.__delitem__(y) <==> del x[y]"), |
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5879 SQSLOT("__setslice__", sq_ass_slice, slot_sq_ass_slice, |
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5880 wrap_ssizessizeobjargproc, |
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5881 "x.__setslice__(i, j, y) <==> x[i:j]=y\n\ |
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5882 \n\ |
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5883 Use of negative indices is not supported."), |
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5884 SQSLOT("__delslice__", sq_ass_slice, slot_sq_ass_slice, wrap_delslice, |
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5885 "x.__delslice__(i, j) <==> del x[i:j]\n\ |
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5886 \n\ |
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5887 Use of negative indices is not supported."), |
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5888 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc, |
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5889 "x.__contains__(y) <==> y in x"), |
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|
5890 SQSLOT("__iadd__", sq_inplace_concat, NULL, |
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5891 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"), |
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5892 SQSLOT("__imul__", sq_inplace_repeat, NULL, |
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5893 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"), |
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5894 |
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5895 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc, |
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|
5896 "x.__len__() <==> len(x)"), |
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|
5897 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript, |
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|
5898 wrap_binaryfunc, |
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|
5899 "x.__getitem__(y) <==> x[y]"), |
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|
5900 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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|
5901 wrap_objobjargproc, |
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|
5902 "x.__setitem__(i, y) <==> x[i]=y"), |
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|
5903 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript, |
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|
5904 wrap_delitem, |
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5905 "x.__delitem__(y) <==> del x[y]"), |
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5906 |
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5907 BINSLOT("__add__", nb_add, slot_nb_add, |
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5908 "+"), |
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5909 RBINSLOT("__radd__", nb_add, slot_nb_add, |
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5910 "+"), |
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5911 BINSLOT("__sub__", nb_subtract, slot_nb_subtract, |
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5912 "-"), |
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5913 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract, |
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5914 "-"), |
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5915 BINSLOT("__mul__", nb_multiply, slot_nb_multiply, |
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5916 "*"), |
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5917 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply, |
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5918 "*"), |
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5919 BINSLOT("__div__", nb_divide, slot_nb_divide, |
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5920 "/"), |
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5921 RBINSLOT("__rdiv__", nb_divide, slot_nb_divide, |
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5922 "/"), |
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5923 BINSLOT("__mod__", nb_remainder, slot_nb_remainder, |
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5924 "%"), |
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5925 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder, |
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5926 "%"), |
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5927 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod, |
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5928 "divmod(x, y)"), |
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5929 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod, |
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5930 "divmod(y, x)"), |
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5931 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc, |
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5932 "x.__pow__(y[, z]) <==> pow(x, y[, z])"), |
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5933 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r, |
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5934 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"), |
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5935 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"), |
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5936 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"), |
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5937 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc, |
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5938 "abs(x)"), |
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5939 UNSLOT("__nonzero__", nb_nonzero, slot_nb_nonzero, wrap_inquirypred, |
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5940 "x != 0"), |
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5941 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"), |
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5942 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5943 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"), |
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5944 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5945 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"), |
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5946 BINSLOT("__and__", nb_and, slot_nb_and, "&"), |
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5947 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"), |
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5948 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"), |
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5949 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"), |
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5950 BINSLOT("__or__", nb_or, slot_nb_or, "|"), |
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5951 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"), |
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5952 NBSLOT("__coerce__", nb_coerce, slot_nb_coerce, wrap_coercefunc, |
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5953 "x.__coerce__(y) <==> coerce(x, y)"), |
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5954 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc, |
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5955 "int(x)"), |
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5956 UNSLOT("__long__", nb_long, slot_nb_long, wrap_unaryfunc, |
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5957 "long(x)"), |
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5958 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc, |
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5959 "float(x)"), |
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5960 UNSLOT("__oct__", nb_oct, slot_nb_oct, wrap_unaryfunc, |
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5961 "oct(x)"), |
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5962 UNSLOT("__hex__", nb_hex, slot_nb_hex, wrap_unaryfunc, |
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5963 "hex(x)"), |
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5964 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc, |
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5965 "x[y:z] <==> x[y.__index__():z.__index__()]"), |
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5966 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add, |
|
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|
5967 wrap_binaryfunc, "+="), |
|
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5968 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract, |
|
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|
5969 wrap_binaryfunc, "-="), |
|
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5970 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply, |
|
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|
5971 wrap_binaryfunc, "*="), |
|
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5972 IBSLOT("__idiv__", nb_inplace_divide, slot_nb_inplace_divide, |
|
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|
5973 wrap_binaryfunc, "/="), |
|
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5974 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder, |
|
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|
5975 wrap_binaryfunc, "%="), |
|
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5976 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power, |
|
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|
5977 wrap_binaryfunc, "**="), |
|
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5978 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift, |
|
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|
5979 wrap_binaryfunc, "<<="), |
|
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5980 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift, |
|
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|
5981 wrap_binaryfunc, ">>="), |
|
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5982 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and, |
|
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|
5983 wrap_binaryfunc, "&="), |
|
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5984 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor, |
|
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5985 wrap_binaryfunc, "^="), |
|
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5986 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or, |
|
73499
369487785e9f
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Eli Bendersky <eliben@gmail.com>
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|
5987 wrap_binaryfunc, "|="), |
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5988 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5989 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"), |
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5990 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5991 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"), |
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5992 IBSLOT("__ifloordiv__", nb_inplace_floor_divide, |
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5993 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"), |
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5994 IBSLOT("__itruediv__", nb_inplace_true_divide, |
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5995 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"), |
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5996 |
|
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5997 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc, |
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5998 "x.__str__() <==> str(x)"), |
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5999 TPSLOT("__str__", tp_print, NULL, NULL, ""), |
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6000 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc, |
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6001 "x.__repr__() <==> repr(x)"), |
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6002 TPSLOT("__repr__", tp_print, NULL, NULL, ""), |
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6003 TPSLOT("__cmp__", tp_compare, _PyObject_SlotCompare, wrap_cmpfunc, |
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6004 "x.__cmp__(y) <==> cmp(x,y)"), |
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6005 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc, |
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6006 "x.__hash__() <==> hash(x)"), |
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6007 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call, |
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6008 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS), |
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6009 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook, |
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6010 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"), |
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6011 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""), |
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6012 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""), |
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6013 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""), |
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6014 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr, |
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6015 "x.__setattr__('name', value) <==> x.name = value"), |
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6016 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""), |
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6017 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr, |
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6018 "x.__delattr__('name') <==> del x.name"), |
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6019 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""), |
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6020 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt, |
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6021 "x.__lt__(y) <==> x<y"), |
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6022 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le, |
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6023 "x.__le__(y) <==> x<=y"), |
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6024 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq, |
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6025 "x.__eq__(y) <==> x==y"), |
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6026 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne, |
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6027 "x.__ne__(y) <==> x!=y"), |
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6028 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt, |
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6029 "x.__gt__(y) <==> x>y"), |
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6030 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge, |
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6031 "x.__ge__(y) <==> x>=y"), |
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6032 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc, |
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6033 "x.__iter__() <==> iter(x)"), |
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6034 TPSLOT("next", tp_iternext, slot_tp_iternext, wrap_next, |
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6035 "x.next() -> the next value, or raise StopIteration"), |
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6036 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get, |
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6037 "descr.__get__(obj[, type]) -> value"), |
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6038 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set, |
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6039 "descr.__set__(obj, value)"), |
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6040 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set, |
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6041 wrap_descr_delete, "descr.__delete__(obj)"), |
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6042 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init, |
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6043 "x.__init__(...) initializes x; " |
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6044 "see help(type(x)) for signature", |
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6045 PyWrapperFlag_KEYWORDS), |
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6046 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""), |
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6047 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""), |
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6048 {NULL} |
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6049 }; |
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6050 |
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6051 /* Given a type pointer and an offset gotten from a slotdef entry, return a |
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6052 pointer to the actual slot. This is not quite the same as simply adding |
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6053 the offset to the type pointer, since it takes care to indirect through the |
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6054 proper indirection pointer (as_buffer, etc.); it returns NULL if the |
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6055 indirection pointer is NULL. */ |
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6056 static void ** |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
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6057 slotptr(PyTypeObject *type, int ioffset) |
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6058 { |
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6059 char *ptr; |
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6060 long offset = ioffset; |
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6061 |
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6062 /* Note: this depends on the order of the members of PyHeapTypeObject! */ |
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6063 assert(offset >= 0); |
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6064 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer)); |
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6065 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) { |
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6066 ptr = (char *)type->tp_as_sequence; |
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6067 offset -= offsetof(PyHeapTypeObject, as_sequence); |
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6068 } |
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6069 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) { |
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6070 ptr = (char *)type->tp_as_mapping; |
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6071 offset -= offsetof(PyHeapTypeObject, as_mapping); |
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6072 } |
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6073 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) { |
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6074 ptr = (char *)type->tp_as_number; |
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6075 offset -= offsetof(PyHeapTypeObject, as_number); |
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6076 } |
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6077 else { |
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6078 ptr = (char *)type; |
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6079 } |
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6080 if (ptr != NULL) |
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6081 ptr += offset; |
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6082 return (void **)ptr; |
|
20343
7bd12270dc3e
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6083 } |
| 19036 | 6084 |
|
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|
6085 /* Length of array of slotdef pointers used to store slots with the |
|
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|
6086 same __name__. There should be at most MAX_EQUIV-1 slotdef entries with |
|
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|
6087 the same __name__, for any __name__. Since that's a static property, it is |
|
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|
6088 appropriate to declare fixed-size arrays for this. */ |
|
0908729e94e0
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|
6089 #define MAX_EQUIV 10 |
|
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|
6090 |
|
0908729e94e0
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|
6091 /* 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
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|
6092 exactly one slot function. The name must be an interned string. */ |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6093 static void ** |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6094 resolve_slotdups(PyTypeObject *type, PyObject *name) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6095 { |
|
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6096 /* XXX Maybe this could be optimized more -- but is it worth it? */ |
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6097 |
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|
6098 /* pname and ptrs act as a little cache */ |
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6099 static PyObject *pname; |
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6100 static slotdef *ptrs[MAX_EQUIV]; |
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6101 slotdef *p, **pp; |
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6102 void **res, **ptr; |
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6103 |
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6104 if (pname != name) { |
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6105 /* Collect all slotdefs that match name into ptrs. */ |
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6106 pname = name; |
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6107 pp = ptrs; |
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6108 for (p = slotdefs; p->name_strobj; p++) { |
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6109 if (p->name_strobj == name) |
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6110 *pp++ = p; |
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6111 } |
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6112 *pp = NULL; |
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6113 } |
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6114 |
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6115 /* Look in all matching slots of the type; if exactly one of these has |
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6116 a filled-in slot, return its value. Otherwise return NULL. */ |
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6117 res = NULL; |
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6118 for (pp = ptrs; *pp; pp++) { |
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6119 ptr = slotptr(type, (*pp)->offset); |
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6120 if (ptr == NULL || *ptr == NULL) |
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6121 continue; |
|
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6122 if (res != NULL) |
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6123 return NULL; |
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6124 res = ptr; |
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6125 } |
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6126 return res; |
|
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6127 } |
|
0908729e94e0
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6128 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
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|
6129 /* Common code for update_slots_callback() and fixup_slot_dispatchers(). This |
|
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|
6130 does some incredibly complex thinking and then sticks something into the |
|
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|
6131 slot. (It sees if the adjacent slotdefs for the same slot have conflicting |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6132 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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|
6133 the slot.) Return a pointer to the next slotdef with a different offset, |
|
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A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6134 because that's convenient for fixup_slot_dispatchers(). */ |
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A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6135 static slotdef * |
|
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A much revised version of SF patch 514662, by Naofumi Honda. This
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|
6136 update_one_slot(PyTypeObject *type, slotdef *p) |
|
0908729e94e0
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6137 { |
|
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6138 PyObject *descr; |
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6139 PyWrapperDescrObject *d; |
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6140 void *generic = NULL, *specific = NULL; |
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6141 int use_generic = 0; |
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6142 int offset = p->offset; |
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6143 void **ptr = slotptr(type, offset); |
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6144 |
|
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6145 if (ptr == NULL) { |
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6146 do { |
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6147 ++p; |
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6148 } while (p->offset == offset); |
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6149 return p; |
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6150 } |
|
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6151 do { |
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6152 descr = _PyType_Lookup(type, p->name_strobj); |
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6153 if (descr == NULL) { |
|
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6154 if (ptr == (void**)&type->tp_iternext) { |
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6155 specific = _PyObject_NextNotImplemented; |
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6156 } |
|
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6157 continue; |
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6158 } |
|
76520
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|
6159 if (Py_TYPE(descr) == &PyWrapperDescr_Type && |
|
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6160 ((PyWrapperDescrObject *)descr)->d_base->name_strobj == p->name_strobj) { |
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6161 void **tptr = resolve_slotdups(type, p->name_strobj); |
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6162 if (tptr == NULL || tptr == ptr) |
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6163 generic = p->function; |
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6164 d = (PyWrapperDescrObject *)descr; |
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6165 if (d->d_base->wrapper == p->wrapper && |
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6166 PyType_IsSubtype(type, d->d_type)) |
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6167 { |
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6168 if (specific == NULL || |
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6169 specific == d->d_wrapped) |
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6170 specific = d->d_wrapped; |
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6171 else |
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6172 use_generic = 1; |
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6173 } |
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6174 } |
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6175 else if (Py_TYPE(descr) == &PyCFunction_Type && |
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6176 PyCFunction_GET_FUNCTION(descr) == |
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6177 (PyCFunction)tp_new_wrapper && |
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6178 ptr == (void**)&type->tp_new) |
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6179 { |
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6180 /* The __new__ wrapper is not a wrapper descriptor, |
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6181 so must be special-cased differently. |
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6182 If we don't do this, creating an instance will |
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6183 always use slot_tp_new which will look up |
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6184 __new__ in the MRO which will call tp_new_wrapper |
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6185 which will look through the base classes looking |
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6186 for a static base and call its tp_new (usually |
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6187 PyType_GenericNew), after performing various |
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6188 sanity checks and constructing a new argument |
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|
6189 list. Cut all that nonsense short -- this speeds |
|
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|
6190 up instance creation tremendously. */ |
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|
6191 specific = (void *)type->tp_new; |
|
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|
6192 /* XXX I'm not 100% sure that there isn't a hole |
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|
6193 in this reasoning that requires additional |
|
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|
6194 sanity checks. I'll buy the first person to |
|
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|
6195 point out a bug in this reasoning a beer. */ |
|
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|
6196 } |
|
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|
6197 else if (descr == Py_None && |
|
61463
fd25030223b0
Untabify C files. Will watch buildbots.
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|
6198 ptr == (void**)&type->tp_hash) { |
|
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|
6199 /* We specifically allow __hash__ to be set to None |
|
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|
6200 to prevent inheritance of the default |
|
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|
6201 implementation from object.__hash__ */ |
|
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|
6202 specific = PyObject_HashNotImplemented; |
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6203 } |
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|
6204 else { |
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|
6205 use_generic = 1; |
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|
6206 generic = p->function; |
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6207 } |
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6208 } while ((++p)->offset == offset); |
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6209 if (specific && !use_generic) |
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6210 *ptr = specific; |
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6211 else |
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6212 *ptr = generic; |
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6213 return p; |
|
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0908729e94e0
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parents:
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|
6214 } |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
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parents:
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|
6215 |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
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|
6216 /* In the type, update the slots whose slotdefs are gathered in the pp array. |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6217 This is a callback for update_subclasses(). */ |
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be08734b0afd
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|
6218 static int |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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|
6219 update_slots_callback(PyTypeObject *type, void *data) |
|
20382
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6220 { |
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61465
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6221 slotdef **pp = (slotdef **)data; |
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6222 |
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6223 for (; *pp; pp++) |
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6224 update_one_slot(type, *pp); |
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6225 return 0; |
|
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6226 } |
|
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6227 |
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22834
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A much revised version of SF patch 514662, by Naofumi Honda. This
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parents:
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|
6228 /* Comparison function for qsort() to compare slotdefs by their offset, and |
|
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A much revised version of SF patch 514662, by Naofumi Honda. This
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parents:
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|
6229 for equal offset by their address (to force a stable sort). */ |
|
20423
4698a3ec5fa8
Redid the slot computation. The initial slot assignments are now done
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|
6230 static int |
|
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6231 slotdef_cmp(const void *aa, const void *bb) |
|
4698a3ec5fa8
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6232 { |
|
61465
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6233 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb; |
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6234 int c = a->offset - b->offset; |
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6235 if (c != 0) |
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6236 return c; |
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6237 else |
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6238 /* Cannot use a-b, as this gives off_t, |
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|
6239 which may lose precision when converted to int. */ |
|
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|
6240 return (a > b) ? 1 : (a < b) ? -1 : 0; |
|
20423
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|
6241 } |
|
4698a3ec5fa8
Redid the slot computation. The initial slot assignments are now done
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|
6242 |
|
22834
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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|
6243 /* Initialize the slotdefs table by adding interned string objects for 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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|
6244 names and sorting the entries. */ |
|
20382
be08734b0afd
Another step in the right direction: when a new class's attribute
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parents:
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|
6245 static void |
|
20423
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Redid the slot computation. The initial slot assignments are now done
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|
6246 init_slotdefs(void) |
|
20382
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|
6247 { |
|
61465
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|
6248 slotdef *p; |
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|
6249 static int initialized = 0; |
|
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|
6250 |
|
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|
6251 if (initialized) |
|
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|
6252 return; |
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|
6253 for (p = slotdefs; p->name; p++) { |
|
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|
6254 p->name_strobj = PyString_InternFromString(p->name); |
|
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|
6255 if (!p->name_strobj) |
|
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|
6256 Py_FatalError("Out of memory interning slotdef names"); |
|
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|
6257 } |
|
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|
6258 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef), |
|
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|
6259 slotdef_cmp); |
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|
6260 initialized = 1; |
|
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|
6261 } |
|
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|
6262 |
|
22834
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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|
6263 /* Update the slots after assignment to a class (type) attribute. */ |
|
20382
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diff
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|
6264 static int |
|
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diff
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|
6265 update_slot(PyTypeObject *type, PyObject *name) |
|
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|
6266 { |
|
61465
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|
6267 slotdef *ptrs[MAX_EQUIV]; |
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|
6268 slotdef *p; |
|
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|
6269 slotdef **pp; |
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|
6270 int offset; |
|
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|
6271 |
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|
6272 /* Clear the VALID_VERSION flag of 'type' and all its |
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|
6273 subclasses. This could possibly be unified with the |
|
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|
6274 update_subclasses() recursion below, but carefully: |
|
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|
6275 they each have their own conditions on which to stop |
|
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|
6276 recursing into subclasses. */ |
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|
6277 PyType_Modified(type); |
|
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|
6278 |
|
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|
6279 init_slotdefs(); |
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6280 pp = ptrs; |
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6281 for (p = slotdefs; p->name; p++) { |
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|
6282 /* XXX assume name is interned! */ |
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6283 if (p->name_strobj == name) |
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|
6284 *pp++ = p; |
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6285 } |
|
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|
6286 *pp = NULL; |
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6287 for (pp = ptrs; *pp; pp++) { |
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|
6288 p = *pp; |
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6289 offset = p->offset; |
|
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|
6290 while (p > slotdefs && (p-1)->offset == offset) |
|
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|
6291 --p; |
|
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|
6292 *pp = p; |
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6293 } |
|
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6294 if (ptrs[0] == NULL) |
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6295 return 0; /* Not an attribute that affects any slots */ |
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6296 return update_subclasses(type, name, |
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6297 update_slots_callback, (void *)ptrs); |
|
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be08734b0afd
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Guido van Rossum <guido@python.org>
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|
6298 } |
|
be08734b0afd
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parents:
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|
6299 |
|
22834
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6300 /* Store the proper functions in the slot dispatches at class (type) |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6301 definition time, based upon which operations the class overrides in its |
|
0908729e94e0
A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents:
22804
diff
changeset
|
6302 dict. */ |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
6303 static void |
|
20343
7bd12270dc3e
Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents:
20328
diff
changeset
|
6304 fixup_slot_dispatchers(PyTypeObject *type) |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
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parents:
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diff
changeset
|
6305 { |
|
61465
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|
6306 slotdef *p; |
|
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|
6307 |
|
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|
6308 init_slotdefs(); |
|
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|
6309 for (p = slotdefs; p->name; ) |
|
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|
6310 p = update_one_slot(type, p); |
|
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09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
6311 } |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6312 |
| 26421 | 6313 static void |
| 6314 update_all_slots(PyTypeObject* type) | |
| 6315 { | |
|
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|
6316 slotdef *p; |
|
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|
6317 |
|
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|
6318 init_slotdefs(); |
|
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|
6319 for (p = slotdefs; p->name; p++) { |
|
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|
6320 /* update_slot returns int but can't actually fail */ |
|
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|
6321 update_slot(type, p->name_strobj); |
|
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|
6322 } |
| 26421 | 6323 } |
| 6324 | |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6325 /* recurse_down_subclasses() and update_subclasses() are mutually |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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parents:
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diff
changeset
|
6326 recursive functions to call a callback for all subclasses, |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6327 but refraining from recursing into subclasses that define 'name'. */ |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6328 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6329 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6330 update_subclasses(PyTypeObject *type, PyObject *name, |
|
61465
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|
6331 update_callback callback, void *data) |
|
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|
6332 { |
|
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|
6333 if (callback(type, data) < 0) |
|
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|
6334 return -1; |
|
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|
6335 return recurse_down_subclasses(type, name, callback, data); |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6336 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6337 |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6338 static int |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6339 recurse_down_subclasses(PyTypeObject *type, PyObject *name, |
|
61465
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|
6340 update_callback callback, void *data) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6341 { |
|
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|
6342 PyTypeObject *subclass; |
|
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|
6343 PyObject *ref, *subclasses, *dict; |
|
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|
6344 Py_ssize_t i, n; |
|
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|
6345 |
|
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|
6346 subclasses = type->tp_subclasses; |
|
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|
6347 if (subclasses == NULL) |
|
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|
6348 return 0; |
|
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|
6349 assert(PyList_Check(subclasses)); |
|
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|
6350 n = PyList_GET_SIZE(subclasses); |
|
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|
6351 for (i = 0; i < n; i++) { |
|
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|
6352 ref = PyList_GET_ITEM(subclasses, i); |
|
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|
6353 assert(PyWeakref_CheckRef(ref)); |
|
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|
6354 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref); |
|
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|
6355 assert(subclass != NULL); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6356 if ((PyObject *)subclass == Py_None) |
|
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|
6357 continue; |
|
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|
6358 assert(PyType_Check(subclass)); |
|
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|
6359 /* Avoid recursing down into unaffected classes */ |
|
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|
6360 dict = subclass->tp_dict; |
|
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|
6361 if (dict != NULL && PyDict_Check(dict) && |
|
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|
6362 PyDict_GetItem(dict, name) != NULL) |
|
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|
6363 continue; |
|
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Recorded merge of revisions 81029 via svnmerge from
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changeset
|
6364 if (update_subclasses(subclass, name, callback, data) < 0) |
|
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|
6365 return -1; |
|
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|
6366 } |
|
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|
6367 return 0; |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
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|
6368 } |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6369 |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
20516
diff
changeset
|
6370 /* 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
|
6371 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
|
6372 function slot (like tp_repr) that's defined in the type, one or more |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6373 corresponding descriptors are added in the type's tp_dict dictionary |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6374 under the appropriate name (like __repr__). Some function slots |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6375 cause more than one descriptor to be added (for example, the nb_add |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6376 slot adds both __add__ and __radd__ descriptors) and some function |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6377 slots compete for the same descriptor (for example both sq_item and |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
23756
diff
changeset
|
6378 mp_subscript generate a __getitem__ descriptor). |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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parents:
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diff
changeset
|
6379 |
|
68588
cd8d3c2d3bce
#11565: Fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
68256
diff
changeset
|
6380 In the latter case, the first slotdef entry encountered wins. Since |
|
28390
33319458fe99
slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents:
28389
diff
changeset
|
6381 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
diff
changeset
|
6382 PyHeapTypeObject, this gives us some control over disambiguating |
|
28403
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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parents:
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diff
changeset
|
6383 between competing slots: the members of PyHeapTypeObject are listed |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6384 from most general to least general, so the most general slot is |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
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parents:
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diff
changeset
|
6385 preferred. In particular, because as_mapping comes before as_sequence, |
|
63ed85290413
Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents:
28396
diff
changeset
|
6386 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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parents:
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diff
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|
6387 wins. |
|
23830
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|
6388 |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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|
6389 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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parents:
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|
6390 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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parents:
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|
6391 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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parents:
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|
6392 are copied into a subtype's __dict__ and the subtype has a different |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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|
6393 C function in its slot -- calling the method defined by the |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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|
6394 descriptor will call the C function that was used to create it, |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6395 rather than the C function present in the slot when it is called. |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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changeset
|
6396 (This is important because a subtype may have a C function in the |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
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parents:
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|
6397 slot that calls the method from the dictionary, and we want to avoid |
|
ade1d56109a8
Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents:
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|
6398 infinite recursion here.) */ |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
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parents:
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|
6399 |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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parents:
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diff
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|
6400 static int |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents:
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changeset
|
6401 add_operators(PyTypeObject *type) |
|
9bd603d434f5
Big internal change that should have no external effects: unify the
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parents:
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|
6402 { |
|
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6403 PyObject *dict = type->tp_dict; |
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|
6404 slotdef *p; |
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|
6405 PyObject *descr; |
|
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|
6406 void **ptr; |
|
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|
6407 |
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|
6408 init_slotdefs(); |
|
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|
6409 for (p = slotdefs; p->name; p++) { |
|
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|
6410 if (p->wrapper == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6411 continue; |
|
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|
6412 ptr = slotptr(type, p->offset); |
|
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|
6413 if (!ptr || !*ptr) |
|
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|
6414 continue; |
|
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|
6415 if (PyDict_GetItem(dict, p->name_strobj)) |
|
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|
6416 continue; |
|
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|
6417 if (*ptr == PyObject_HashNotImplemented) { |
|
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|
6418 /* Classes may prevent the inheritance of the tp_hash |
|
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|
6419 slot by storing PyObject_HashNotImplemented in it. Make it |
|
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|
6420 visible as a None value for the __hash__ attribute. */ |
|
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|
6421 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0) |
|
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|
6422 return -1; |
|
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|
6423 } |
|
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|
6424 else { |
|
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|
6425 descr = PyDescr_NewWrapper(type, p, *ptr); |
|
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|
6426 if (descr == NULL) |
|
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|
6427 return -1; |
|
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|
6428 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0) |
|
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|
6429 return -1; |
|
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|
6430 Py_DECREF(descr); |
|
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|
6431 } |
|
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|
6432 } |
|
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|
6433 if (type->tp_new != NULL) { |
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|
6434 if (add_tp_new_wrapper(type) < 0) |
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|
6435 return -1; |
|
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|
6436 } |
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6437 return 0; |
|
20586
9bd603d434f5
Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
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|
6438 } |
|
9bd603d434f5
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|
6439 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
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|
6440 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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|
6441 /* Cooperative 'super' */ |
|
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Add 'super', another new object type with magical properties.
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|
6442 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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|
6443 typedef struct { |
|
61465
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|
6444 PyObject_HEAD |
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|
6445 PyTypeObject *type; |
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|
6446 PyObject *obj; |
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|
6447 PyTypeObject *obj_type; |
|
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b3c92f013869
Add 'super', another new object type with magical properties.
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|
6448 } superobject; |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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|
6449 |
|
20012
3faabf54b8b8
Add optional docstrings to member descriptors. For backwards
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|
6450 static PyMemberDef super_members[] = { |
|
61465
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|
6451 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY, |
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|
6452 "the class invoking super()"}, |
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|
6453 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY, |
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|
6454 "the instance invoking super(); may be None"}, |
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|
6455 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY, |
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|
6456 "the type of the instance invoking super(); may be None"}, |
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|
6457 {0} |
|
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|
6458 }; |
|
ae056f114974
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|
6459 |
|
19469
b3c92f013869
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|
6460 static void |
|
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Add 'super', another new object type with magical properties.
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|
6461 super_dealloc(PyObject *self) |
|
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|
6462 { |
|
61465
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|
6463 superobject *su = (superobject *)self; |
|
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|
6464 |
|
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|
6465 _PyObject_GC_UNTRACK(self); |
|
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|
6466 Py_XDECREF(su->obj); |
|
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|
6467 Py_XDECREF(su->type); |
|
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|
6468 Py_XDECREF(su->obj_type); |
|
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|
6469 Py_TYPE(self)->tp_free(self); |
|
19469
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|
6470 } |
|
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|
6471 |
|
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|
6472 static PyObject * |
|
19630
ae056f114974
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|
6473 super_repr(PyObject *self) |
|
ae056f114974
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|
6474 { |
|
61465
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|
6475 superobject *su = (superobject *)self; |
|
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|
6476 |
|
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|
6477 if (su->obj_type) |
|
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|
6478 return PyString_FromFormat( |
|
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|
6479 "<super: <class '%s'>, <%s object>>", |
|
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|
6480 su->type ? su->type->tp_name : "NULL", |
|
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|
6481 su->obj_type->tp_name); |
|
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|
6482 else |
|
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|
6483 return PyString_FromFormat( |
|
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|
6484 "<super: <class '%s'>, NULL>", |
|
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|
6485 su->type ? su->type->tp_name : "NULL"); |
|
19630
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|
6486 } |
|
ae056f114974
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|
6487 |
|
ae056f114974
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|
6488 static PyObject * |
|
19469
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|
6489 super_getattro(PyObject *self, PyObject *name) |
|
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|
6490 { |
|
61465
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|
6491 superobject *su = (superobject *)self; |
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|
6492 int skip = su->obj_type == NULL; |
|
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6493 |
|
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|
6494 if (!skip) { |
|
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|
6495 /* We want __class__ to return the class of the super object |
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|
6496 (i.e. super, or a subclass), not the class of su->obj. */ |
|
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|
6497 skip = (PyString_Check(name) && |
|
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|
6498 PyString_GET_SIZE(name) == 9 && |
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|
6499 strcmp(PyString_AS_STRING(name), "__class__") == 0); |
|
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6500 } |
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|
6501 |
|
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|
6502 if (!skip) { |
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|
6503 PyObject *mro, *res, *tmp, *dict; |
|
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|
6504 PyTypeObject *starttype; |
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6505 descrgetfunc f; |
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6506 Py_ssize_t i, n; |
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6507 |
|
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|
6508 starttype = su->obj_type; |
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6509 mro = starttype->tp_mro; |
|
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6510 |
|
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6511 if (mro == NULL) |
|
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|
6512 n = 0; |
|
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6513 else { |
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|
6514 assert(PyTuple_Check(mro)); |
|
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|
6515 n = PyTuple_GET_SIZE(mro); |
|
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6516 } |
|
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|
6517 for (i = 0; i < n; i++) { |
|
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6518 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i)) |
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6519 break; |
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6520 } |
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|
6521 i++; |
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6522 res = NULL; |
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6523 for (; i < n; i++) { |
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6524 tmp = PyTuple_GET_ITEM(mro, i); |
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6525 if (PyType_Check(tmp)) |
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6526 dict = ((PyTypeObject *)tmp)->tp_dict; |
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6527 else if (PyClass_Check(tmp)) |
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6528 dict = ((PyClassObject *)tmp)->cl_dict; |
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6529 else |
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|
6530 continue; |
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6531 res = PyDict_GetItem(dict, name); |
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6532 if (res != NULL) { |
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6533 Py_INCREF(res); |
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6534 f = Py_TYPE(res)->tp_descr_get; |
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6535 if (f != NULL) { |
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6536 tmp = f(res, |
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6537 /* Only pass 'obj' param if |
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6538 this is instance-mode super |
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6539 (See SF ID #743627) |
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6540 */ |
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6541 (su->obj == (PyObject *) |
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6542 su->obj_type |
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6543 ? (PyObject *)NULL |
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6544 : su->obj), |
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6545 (PyObject *)starttype); |
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6546 Py_DECREF(res); |
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6547 res = tmp; |
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6548 } |
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6549 return res; |
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6550 } |
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6551 } |
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6552 } |
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6553 return PyObject_GenericGetAttr(self, name); |
|
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6554 } |
|
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6555 |
|
27831
6b5696541ba4
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|
6556 static PyTypeObject * |
|
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6557 supercheck(PyTypeObject *type, PyObject *obj) |
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6558 { |
|
61465
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6559 /* Check that a super() call makes sense. Return a type object. |
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6560 |
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6561 obj can be a new-style class, or an instance of one: |
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6562 |
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6563 - If it is a class, it must be a subclass of 'type'. This case is |
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6564 used for class methods; the return value is obj. |
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6565 |
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6566 - If it is an instance, it must be an instance of 'type'. This is |
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6567 the normal case; the return value is obj.__class__. |
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6568 |
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6569 But... when obj is an instance, we want to allow for the case where |
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6570 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is! |
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6571 This will allow using super() with a proxy for obj. |
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6572 */ |
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6573 |
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6574 /* Check for first bullet above (special case) */ |
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6575 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) { |
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6576 Py_INCREF(obj); |
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6577 return (PyTypeObject *)obj; |
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6578 } |
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6579 |
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6580 /* Normal case */ |
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6581 if (PyType_IsSubtype(Py_TYPE(obj), type)) { |
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6582 Py_INCREF(Py_TYPE(obj)); |
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6583 return Py_TYPE(obj); |
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6584 } |
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6585 else { |
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6586 /* Try the slow way */ |
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6587 static PyObject *class_str = NULL; |
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6588 PyObject *class_attr; |
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6589 |
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6590 if (class_str == NULL) { |
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6591 class_str = PyString_FromString("__class__"); |
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6592 if (class_str == NULL) |
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6593 return NULL; |
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6594 } |
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6595 |
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6596 class_attr = PyObject_GetAttr(obj, class_str); |
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6597 |
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6598 if (class_attr != NULL && |
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6599 PyType_Check(class_attr) && |
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6600 (PyTypeObject *)class_attr != Py_TYPE(obj)) |
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6601 { |
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6602 int ok = PyType_IsSubtype( |
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6603 (PyTypeObject *)class_attr, type); |
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6604 if (ok) |
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6605 return (PyTypeObject *)class_attr; |
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6606 } |
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6607 |
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6608 if (class_attr == NULL) |
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6609 PyErr_Clear(); |
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6610 else |
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6611 Py_DECREF(class_attr); |
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6612 } |
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6613 |
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6614 PyErr_SetString(PyExc_TypeError, |
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6615 "super(type, obj): " |
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6616 "obj must be an instance or subtype of type"); |
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6617 return NULL; |
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6618 } |
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6619 |
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6620 static PyObject * |
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6621 super_descr_get(PyObject *self, PyObject *obj, PyObject *type) |
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6622 { |
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61465
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6623 superobject *su = (superobject *)self; |
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6624 superobject *newobj; |
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6625 |
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6626 if (obj == NULL || obj == Py_None || su->obj != NULL) { |
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6627 /* Not binding to an object, or already bound */ |
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|
6628 Py_INCREF(self); |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6629 return self; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6630 } |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6631 if (Py_TYPE(su) != &PySuper_Type) |
|
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|
6632 /* If su is an instance of a (strict) subclass of super, |
|
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|
6633 call its type */ |
|
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|
6634 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su), |
|
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|
6635 su->type, obj, NULL); |
|
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|
6636 else { |
|
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|
6637 /* Inline the common case */ |
|
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|
6638 PyTypeObject *obj_type = supercheck(su->type, obj); |
|
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|
6639 if (obj_type == NULL) |
|
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|
6640 return NULL; |
|
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|
6641 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type, |
|
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|
6642 NULL, NULL); |
|
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|
6643 if (newobj == NULL) |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6644 return NULL; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6645 Py_INCREF(su->type); |
|
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|
6646 Py_INCREF(obj); |
|
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|
6647 newobj->type = su->type; |
|
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|
6648 newobj->obj = obj; |
|
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|
6649 newobj->obj_type = obj_type; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6650 return (PyObject *)newobj; |
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|
6651 } |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6652 } |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6653 |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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|
6654 static int |
|
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Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
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|
6655 super_init(PyObject *self, PyObject *args, PyObject *kwds) |
|
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Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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|
6656 { |
|
61465
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|
6657 superobject *su = (superobject *)self; |
|
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|
6658 PyTypeObject *type; |
|
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|
6659 PyObject *obj = NULL; |
|
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|
6660 PyTypeObject *obj_type = NULL; |
|
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|
6661 |
|
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|
6662 if (!_PyArg_NoKeywords("super", kwds)) |
|
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|
6663 return -1; |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
6664 if (!PyArg_ParseTuple(args, "O!|O:super", &PyType_Type, &type, &obj)) |
|
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|
6665 return -1; |
|
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|
6666 if (obj == Py_None) |
|
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|
6667 obj = NULL; |
|
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|
6668 if (obj != NULL) { |
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|
6669 obj_type = supercheck(type, obj); |
|
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|
6670 if (obj_type == NULL) |
|
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|
6671 return -1; |
|
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|
6672 Py_INCREF(obj); |
|
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|
6673 } |
|
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|
6674 Py_INCREF(type); |
|
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|
6675 su->type = type; |
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|
6676 su->obj = obj; |
|
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|
6677 su->obj_type = obj_type; |
|
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|
6678 return 0; |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6679 } |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6680 |
|
23832
ed1ba37a46b7
Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents:
23830
diff
changeset
|
6681 PyDoc_STRVAR(super_doc, |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6682 "super(type) -> unbound super object\n" |
|
b3c92f013869
Add 'super', another new object type with magical properties.
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parents:
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diff
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|
6683 "super(type, obj) -> bound super object; requires isinstance(obj, type)\n" |
|
19551
01a6901cd305
Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents:
19540
diff
changeset
|
6684 "super(type, type2) -> bound super object; requires issubclass(type2, type)\n" |
|
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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|
6685 "Typical use to call a cooperative superclass method:\n" |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6686 "class C(B):\n" |
|
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
6687 " def meth(self, arg):\n" |
|
23832
ed1ba37a46b7
Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents:
23830
diff
changeset
|
6688 " super(C, self).meth(arg)"); |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
changeset
|
6689 |
|
20220
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
changeset
|
6690 static int |
|
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
changeset
|
6691 super_traverse(PyObject *self, visitproc visit, void *arg) |
|
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
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|
6692 { |
|
61465
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|
6693 superobject *su = (superobject *)self; |
|
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|
6694 |
|
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|
6695 Py_VISIT(su->obj); |
|
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|
6696 Py_VISIT(su->type); |
|
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|
6697 Py_VISIT(su->obj_type); |
|
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|
6698 |
|
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|
6699 return 0; |
|
20220
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
changeset
|
6700 } |
|
0b99174d6b17
Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents:
20204
diff
changeset
|
6701 |
|
19469
b3c92f013869
Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents:
19464
diff
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|
6702 PyTypeObject PySuper_Type = { |
|
61465
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|
6703 PyVarObject_HEAD_INIT(&PyType_Type, 0) |
|
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|
6704 "super", /* tp_name */ |
|
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|
6705 sizeof(superobject), /* tp_basicsize */ |
|
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|
6706 0, /* tp_itemsize */ |
|
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|
6707 /* methods */ |
|
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|
6708 super_dealloc, /* tp_dealloc */ |
|
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|
6709 0, /* tp_print */ |
|
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|
6710 0, /* tp_getattr */ |
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|
6711 0, /* tp_setattr */ |
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|
6712 0, /* tp_compare */ |
|
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|
6713 super_repr, /* tp_repr */ |
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|
6714 0, /* tp_as_number */ |
|
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|
6715 0, /* tp_as_sequence */ |
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|
6716 0, /* tp_as_mapping */ |
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|
6717 0, /* tp_hash */ |
|
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|
6718 0, /* tp_call */ |
|
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|
6719 0, /* tp_str */ |
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|
6720 super_getattro, /* tp_getattro */ |
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|
6721 0, /* tp_setattro */ |
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6722 0, /* tp_as_buffer */ |
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|
6723 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | |
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6724 Py_TPFLAGS_BASETYPE, /* tp_flags */ |
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6725 super_doc, /* tp_doc */ |
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6726 super_traverse, /* tp_traverse */ |
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6727 0, /* tp_clear */ |
|
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6728 0, /* tp_richcompare */ |
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6729 0, /* tp_weaklistoffset */ |
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6730 0, /* tp_iter */ |
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6731 0, /* tp_iternext */ |
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|
6732 0, /* tp_methods */ |
|
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|
6733 super_members, /* tp_members */ |
|
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|
6734 0, /* tp_getset */ |
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6735 0, /* tp_base */ |
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6736 0, /* tp_dict */ |
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6737 super_descr_get, /* tp_descr_get */ |
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6738 0, /* tp_descr_set */ |
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6739 0, /* tp_dictoffset */ |
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6740 super_init, /* tp_init */ |
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6741 PyType_GenericAlloc, /* tp_alloc */ |
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6742 PyType_GenericNew, /* tp_new */ |
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6743 PyObject_GC_Del, /* tp_free */ |
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Guido van Rossum <guido@python.org>
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6744 }; |