Mercurial > cpython-lru_cache-weakref

annotate Objects/object.c @ 64166:d0e9febfa00a 3.1

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Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........
author Martin v. Löwis <martin@v.loewis.de>
date Thu, 19 Aug 2010 09:03:03 +0000
parents fd9b421cdbaf
children 4c978cd3640f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Generic object operations; and implementation of None (NoObject) */
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3
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4 #include "Python.h"
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5 #include "sliceobject.h" /* For PyEllipsis_Type */
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6 #include "frameobject.h"
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7
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8 #ifdef __cplusplus
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9 extern "C" {
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10 #endif
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11
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12 #ifdef Py_REF_DEBUG
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13 Py_ssize_t _Py_RefTotal;
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14
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15 Py_ssize_t
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16 _Py_GetRefTotal(void)
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17 {
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18 PyObject *o;
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19 Py_ssize_t total = _Py_RefTotal;
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20 /* ignore the references to the dummy object of the dicts and sets
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21 because they are not reliable and not useful (now that the
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22 hash table code is well-tested) */
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23 o = _PyDict_Dummy();
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24 if (o != NULL)
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25 total -= o->ob_refcnt;
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26 o = _PySet_Dummy();
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27 if (o != NULL)
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28 total -= o->ob_refcnt;
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29 return total;
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30 }
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31 #endif /* Py_REF_DEBUG */
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32
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33 int Py_DivisionWarningFlag;
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34
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35 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
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36 These are used by the individual routines for object creation.
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37 Do not call them otherwise, they do not initialize the object! */
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38
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39 #ifdef Py_TRACE_REFS
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40 /* Head of circular doubly-linked list of all objects. These are linked
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41 * together via the _ob_prev and _ob_next members of a PyObject, which
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42 * exist only in a Py_TRACE_REFS build.
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43 */
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44 static PyObject refchain = {&refchain, &refchain};
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45
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46 /* Insert op at the front of the list of all objects. If force is true,
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47 * op is added even if _ob_prev and _ob_next are non-NULL already. If
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48 * force is false amd _ob_prev or _ob_next are non-NULL, do nothing.
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49 * force should be true if and only if op points to freshly allocated,
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50 * uninitialized memory, or you've unlinked op from the list and are
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51 * relinking it into the front.
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52 * Note that objects are normally added to the list via _Py_NewReference,
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53 * which is called by PyObject_Init. Not all objects are initialized that
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54 * way, though; exceptions include statically allocated type objects, and
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55 * statically allocated singletons (like Py_True and Py_None).
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56 */
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57 void
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58 _Py_AddToAllObjects(PyObject *op, int force)
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59 {
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60 #ifdef Py_DEBUG
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61 if (!force) {
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62 /* If it's initialized memory, op must be in or out of
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63 * the list unambiguously.
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64 */
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65 assert((op->_ob_prev == NULL) == (op->_ob_next == NULL));
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66 }
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67 #endif
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68 if (force || op->_ob_prev == NULL) {
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69 op->_ob_next = refchain._ob_next;
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70 op->_ob_prev = &refchain;
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71 refchain._ob_next->_ob_prev = op;
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72 refchain._ob_next = op;
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73 }
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74 }
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75 #endif /* Py_TRACE_REFS */
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76
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77 #ifdef COUNT_ALLOCS
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78 static PyTypeObject *type_list;
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79 /* All types are added to type_list, at least when
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80 they get one object created. That makes them
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81 immortal, which unfortunately contributes to
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82 garbage itself. If unlist_types_without_objects
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83 is set, they will be removed from the type_list
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84 once the last object is deallocated. */
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85 static int unlist_types_without_objects;
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86 extern Py_ssize_t tuple_zero_allocs, fast_tuple_allocs;
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87 extern Py_ssize_t quick_int_allocs, quick_neg_int_allocs;
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88 extern Py_ssize_t null_strings, one_strings;
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89 void
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90 dump_counts(FILE* f)
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91 {
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92 PyTypeObject *tp;
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93
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94 for (tp = type_list; tp; tp = tp->tp_next)
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95 fprintf(f, "%s alloc'd: %" PY_FORMAT_SIZE_T "d, "
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96 "freed: %" PY_FORMAT_SIZE_T "d, "
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97 "max in use: %" PY_FORMAT_SIZE_T "d\n",
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98 tp->tp_name, tp->tp_allocs, tp->tp_frees,
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99 tp->tp_maxalloc);
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100 fprintf(f, "fast tuple allocs: %" PY_FORMAT_SIZE_T "d, "
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101 "empty: %" PY_FORMAT_SIZE_T "d\n",
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102 fast_tuple_allocs, tuple_zero_allocs);
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103 fprintf(f, "fast int allocs: pos: %" PY_FORMAT_SIZE_T "d, "
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104 "neg: %" PY_FORMAT_SIZE_T "d\n",
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105 quick_int_allocs, quick_neg_int_allocs);
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106 fprintf(f, "null strings: %" PY_FORMAT_SIZE_T "d, "
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107 "1-strings: %" PY_FORMAT_SIZE_T "d\n",
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108 null_strings, one_strings);
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109 }
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110
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111 PyObject *
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112 get_counts(void)
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113 {
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114 PyTypeObject *tp;
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115 PyObject *result;
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116 PyObject *v;
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117
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118 result = PyList_New(0);
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119 if (result == NULL)
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120 return NULL;
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121 for (tp = type_list; tp; tp = tp->tp_next) {
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122 v = Py_BuildValue("(snnn)", tp->tp_name, tp->tp_allocs,
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123 tp->tp_frees, tp->tp_maxalloc);
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124 if (v == NULL) {
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125 Py_DECREF(result);
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126 return NULL;
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127 }
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128 if (PyList_Append(result, v) < 0) {
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129 Py_DECREF(v);
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130 Py_DECREF(result);
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131 return NULL;
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132 }
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133 Py_DECREF(v);
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134 }
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135 return result;
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136 }
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137
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138 void
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139 inc_count(PyTypeObject *tp)
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140 {
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141 if (tp->tp_next == NULL && tp->tp_prev == NULL) {
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142 /* first time; insert in linked list */
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143 if (tp->tp_next != NULL) /* sanity check */
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144 Py_FatalError("XXX inc_count sanity check");
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145 if (type_list)
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146 type_list->tp_prev = tp;
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147 tp->tp_next = type_list;
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148 /* Note that as of Python 2.2, heap-allocated type objects
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149 * can go away, but this code requires that they stay alive
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150 * until program exit. That's why we're careful with
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151 * refcounts here. type_list gets a new reference to tp,
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152 * while ownership of the reference type_list used to hold
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153 * (if any) was transferred to tp->tp_next in the line above.
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154 * tp is thus effectively immortal after this.
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155 */
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156 Py_INCREF(tp);
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157 type_list = tp;
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158 #ifdef Py_TRACE_REFS
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159 /* Also insert in the doubly-linked list of all objects,
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160 * if not already there.
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161 */
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162 _Py_AddToAllObjects((PyObject *)tp, 0);
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163 #endif
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164 }
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165 tp->tp_allocs++;
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166 if (tp->tp_allocs - tp->tp_frees > tp->tp_maxalloc)
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167 tp->tp_maxalloc = tp->tp_allocs - tp->tp_frees;
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168 }
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169
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170 void dec_count(PyTypeObject *tp)
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171 {
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172 tp->tp_frees++;
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173 if (unlist_types_without_objects &&
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174 tp->tp_allocs == tp->tp_frees) {
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175 /* unlink the type from type_list */
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176 if (tp->tp_prev)
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177 tp->tp_prev->tp_next = tp->tp_next;
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178 else
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179 type_list = tp->tp_next;
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180 if (tp->tp_next)
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181 tp->tp_next->tp_prev = tp->tp_prev;
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182 tp->tp_next = tp->tp_prev = NULL;
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183 Py_DECREF(tp);
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184 }
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185 }
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186
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187 #endif
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188
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189 #ifdef Py_REF_DEBUG
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190 /* Log a fatal error; doesn't return. */
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191 void
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192 _Py_NegativeRefcount(const char *fname, int lineno, PyObject *op)
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193 {
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194 char buf[300];
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195
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196 PyOS_snprintf(buf, sizeof(buf),
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197 "%s:%i object at %p has negative ref count "
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198 "%" PY_FORMAT_SIZE_T "d",
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199 fname, lineno, op, op->ob_refcnt);
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200 Py_FatalError(buf);
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201 }
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202
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203 #endif /* Py_REF_DEBUG */
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204
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205 void
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206 Py_IncRef(PyObject *o)
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207 {
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208 Py_XINCREF(o);
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209 }
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210
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211 void
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212 Py_DecRef(PyObject *o)
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213 {
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214 Py_XDECREF(o);
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215 }
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216
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217 PyObject *
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218 PyObject_Init(PyObject *op, PyTypeObject *tp)
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219 {
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220 if (op == NULL)
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221 return PyErr_NoMemory();
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222 /* Any changes should be reflected in PyObject_INIT (objimpl.h) */
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223 Py_TYPE(op) = tp;
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224 _Py_NewReference(op);
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225 return op;
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226 }
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227
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228 PyVarObject *
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229 PyObject_InitVar(PyVarObject *op, PyTypeObject *tp, Py_ssize_t size)
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230 {
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231 if (op == NULL)
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232 return (PyVarObject *) PyErr_NoMemory();
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233 /* Any changes should be reflected in PyObject_INIT_VAR */
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234 op->ob_size = size;
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235 Py_TYPE(op) = tp;
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236 _Py_NewReference((PyObject *)op);
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237 return op;
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238 }
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239
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240 PyObject *
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241 _PyObject_New(PyTypeObject *tp)
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242 {
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243 PyObject *op;
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244 op = (PyObject *) PyObject_MALLOC(_PyObject_SIZE(tp));
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245 if (op == NULL)
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246 return PyErr_NoMemory();
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247 return PyObject_INIT(op, tp);
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248 }
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249
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250 PyVarObject *
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251 _PyObject_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
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252 {
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253 PyVarObject *op;
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254 const size_t size = _PyObject_VAR_SIZE(tp, nitems);
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255 op = (PyVarObject *) PyObject_MALLOC(size);
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256 if (op == NULL)
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257 return (PyVarObject *)PyErr_NoMemory();
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258 return PyObject_INIT_VAR(op, tp, nitems);
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259 }
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260
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261 int
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262 PyObject_Print(PyObject *op, FILE *fp, int flags)
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263 {
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264 int ret = 0;
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265 if (PyErr_CheckSignals())
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266 return -1;
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267 #ifdef USE_STACKCHECK
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268 if (PyOS_CheckStack()) {
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269 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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270 return -1;
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271 }
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272 #endif
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273 clearerr(fp); /* Clear any previous error condition */
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274 if (op == NULL) {
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275 Py_BEGIN_ALLOW_THREADS
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276 fprintf(fp, "<nil>");
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277 Py_END_ALLOW_THREADS
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278 }
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279 else {
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280 if (op->ob_refcnt <= 0)
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281 /* XXX(twouters) cast refcount to long until %zd is
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282 universally available */
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283 Py_BEGIN_ALLOW_THREADS
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284 fprintf(fp, "<refcnt %ld at %p>",
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285 (long)op->ob_refcnt, op);
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286 Py_END_ALLOW_THREADS
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287 else {
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288 PyObject *s;
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289 if (flags & Py_PRINT_RAW)
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290 s = PyObject_Str(op);
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291 else
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292 s = PyObject_Repr(op);
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293 if (s == NULL)
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294 ret = -1;
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295 else if (PyBytes_Check(s)) {
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296 fwrite(PyBytes_AS_STRING(s), 1,
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297 PyBytes_GET_SIZE(s), fp);
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298 }
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299 else if (PyUnicode_Check(s)) {
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300 PyObject *t;
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301 t = PyUnicode_EncodeUTF8(PyUnicode_AS_UNICODE(s),
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302 PyUnicode_GET_SIZE(s),
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303 "backslashreplace");
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304 if (t == NULL)
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305 ret = 0;
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306 else {
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307 fwrite(PyBytes_AS_STRING(t), 1,
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308 PyBytes_GET_SIZE(t), fp);
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309 Py_DECREF(t);
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310 }
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311 }
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312 else {
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313 PyErr_Format(PyExc_TypeError,
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314 "str() or repr() returned '%.100s'",
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315 s->ob_type->tp_name);
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316 ret = -1;
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317 }
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318 Py_XDECREF(s);
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319 }
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320 }
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321 if (ret == 0) {
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322 if (ferror(fp)) {
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323 PyErr_SetFromErrno(PyExc_IOError);
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324 clearerr(fp);
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325 ret = -1;
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326 }
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327 }
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328 return ret;
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329 }
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330
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331 /* For debugging convenience. Set a breakpoint here and call it from your DLL */
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332 void
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333 _Py_BreakPoint(void)
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334 {
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335 }
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336
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337
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338 /* For debugging convenience. See Misc/gdbinit for some useful gdb hooks */
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339 void
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340 _PyObject_Dump(PyObject* op)
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341 {
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342 if (op == NULL)
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343 fprintf(stderr, "NULL\n");
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344 else {
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345 #ifdef WITH_THREAD
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346 PyGILState_STATE gil;
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347 #endif
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348 fprintf(stderr, "object : ");
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349 #ifdef WITH_THREAD
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350 gil = PyGILState_Ensure();
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351 #endif
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352 (void)PyObject_Print(op, stderr, 0);
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353 #ifdef WITH_THREAD
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354 PyGILState_Release(gil);
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355 #endif
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356 /* XXX(twouters) cast refcount to long until %zd is
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357 universally available */
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358 fprintf(stderr, "\n"
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359 "type : %s\n"
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360 "refcount: %ld\n"
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361 "address : %p\n",
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362 Py_TYPE(op)==NULL ? "NULL" : Py_TYPE(op)->tp_name,
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363 (long)op->ob_refcnt,
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364 op);
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365 }
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366 }
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367
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368 PyObject *
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369 PyObject_Repr(PyObject *v)
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370 {
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371 PyObject *res;
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372 if (PyErr_CheckSignals())
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373 return NULL;
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374 #ifdef USE_STACKCHECK
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375 if (PyOS_CheckStack()) {
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376 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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377 return NULL;
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378 }
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379 #endif
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380 if (v == NULL)
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381 return PyUnicode_FromString("<NULL>");
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382 if (Py_TYPE(v)->tp_repr == NULL)
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383 return PyUnicode_FromFormat("<%s object at %p>",
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384 v->ob_type->tp_name, v);
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385 res = (*v->ob_type->tp_repr)(v);
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386 if (res != NULL && !PyUnicode_Check(res)) {
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387 PyErr_Format(PyExc_TypeError,
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388 "__repr__ returned non-string (type %.200s)",
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389 res->ob_type->tp_name);
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390 Py_DECREF(res);
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391 return NULL;
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392 }
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393 return res;
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394 }
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395
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396 PyObject *
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397 PyObject_Str(PyObject *v)
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398 {
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399 PyObject *res;
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400 if (PyErr_CheckSignals())
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401 return NULL;
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402 #ifdef USE_STACKCHECK
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403 if (PyOS_CheckStack()) {
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404 PyErr_SetString(PyExc_MemoryError, "stack overflow");
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405 return NULL;
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406 }
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407 #endif
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408 if (v == NULL)
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409 return PyUnicode_FromString("<NULL>");
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410 if (PyUnicode_CheckExact(v)) {
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411 Py_INCREF(v);
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412 return v;
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413 }
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414 if (Py_TYPE(v)->tp_str == NULL)
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415 return PyObject_Repr(v);
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416
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417 /* It is possible for a type to have a tp_str representation that loops
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418 infinitely. */
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419 if (Py_EnterRecursiveCall(" while getting the str of an object"))
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420 return NULL;
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421 res = (*Py_TYPE(v)->tp_str)(v);
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422 Py_LeaveRecursiveCall();
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423 if (res == NULL)
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424 return NULL;
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425 if (!PyUnicode_Check(res)) {
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426 PyErr_Format(PyExc_TypeError,
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427 "__str__ returned non-string (type %.200s)",
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428 Py_TYPE(res)->tp_name);
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429 Py_DECREF(res);
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430 return NULL;
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431 }
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432 return res;
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433 }
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434
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435 PyObject *
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436 PyObject_ASCII(PyObject *v)
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437 {
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438 PyObject *repr, *ascii, *res;
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439
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440 repr = PyObject_Repr(v);
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441 if (repr == NULL)
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442 return NULL;
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443
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444 /* repr is guaranteed to be a PyUnicode object by PyObject_Repr */
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445 ascii = PyUnicode_EncodeASCII(
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446 PyUnicode_AS_UNICODE(repr),
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447 PyUnicode_GET_SIZE(repr),
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448 "backslashreplace");
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449
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450 Py_DECREF(repr);
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451 if (ascii == NULL)
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452 return NULL;
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453
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454 res = PyUnicode_DecodeASCII(
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455 PyBytes_AS_STRING(ascii),
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456 PyBytes_GET_SIZE(ascii),
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457 NULL);
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458
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459 Py_DECREF(ascii);
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460 return res;
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461 }
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462
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463 PyObject *
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464 PyObject_Bytes(PyObject *v)
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465 {
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466 PyObject *result, *func;
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467 static PyObject *bytesstring = NULL;
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468
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469 if (v == NULL)
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470 return PyBytes_FromString("<NULL>");
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471
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472 if (PyBytes_CheckExact(v)) {
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473 Py_INCREF(v);
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474 return v;
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475 }
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476
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477 func = _PyObject_LookupSpecial(v, "__bytes__", &bytesstring);
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478 if (func != NULL) {
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479 result = PyObject_CallFunctionObjArgs(func, NULL);
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480 Py_DECREF(func);
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481 if (result == NULL)
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482 return NULL;
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483 if (!PyBytes_Check(result)) {
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484 PyErr_Format(PyExc_TypeError,
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485 "__bytes__ returned non-bytes (type %.200s)",
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486 Py_TYPE(result)->tp_name);
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487 Py_DECREF(result);
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488 return NULL;
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489 }
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490 return result;
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491 }
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492 else if (PyErr_Occurred())
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493 return NULL;
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494 return PyBytes_FromObject(v);
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495 }
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496
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497 /* For Python 3.0.1 and later, the old three-way comparison has been
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498 completely removed in favour of rich comparisons. PyObject_Compare() and
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499 PyObject_Cmp() are gone, and the builtin cmp function no longer exists.
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500 The old tp_compare slot has been renamed to tp_reserved, and should no
51247
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501 longer be used. Use tp_richcompare instead.
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502
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503 See (*) below for practical amendments.
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504
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505 tp_richcompare gets called with a first argument of the appropriate type
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506 and a second object of an arbitrary type. We never do any kind of
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507 coercion.
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508
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509 The tp_richcompare slot should return an object, as follows:
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510
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511 NULL if an exception occurred
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512 NotImplemented if the requested comparison is not implemented
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513 any other false value if the requested comparison is false
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514 any other true value if the requested comparison is true
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515
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516 The PyObject_RichCompare[Bool]() wrappers raise TypeError when they get
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517 NotImplemented.
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518
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519 (*) Practical amendments:
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520
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521 - If rich comparison returns NotImplemented, == and != are decided by
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522 comparing the object pointer (i.e. falling back to the base object
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diff changeset
523 implementation).
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Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
524
23598
2b1d61781d63 Implement the intention of SF patch 472523 (but coded differently).
Guido van Rossum <guido@python.org>
parents: 23542
diff changeset
525 */
39644
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diff changeset
526
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parents: 39623
diff changeset
527 /* Map rich comparison operators to their swapped version, e.g. LT <--> GT */
33571
a5682bc73e04 Remove 'extern' declaration for _Py_SwappedOp.
Brett Cannon <bcannon@gmail.com>
parents: 33541
diff changeset
528 int _Py_SwappedOp[] = {Py_GT, Py_GE, Py_EQ, Py_NE, Py_LT, Py_LE};
15941
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529
40485
d4fcb5656316 The opstrings table was backwards. Add an XXX comment.
Guido van Rossum <guido@python.org>
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diff changeset
530 static char *opstrings[] = {"<", "<=", "==", "!=", ">", ">="};
39644
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diff changeset
531
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diff changeset
532 /* Perform a rich comparison, raising TypeError when the requested comparison
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
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parents: 39623
diff changeset
533 operator is not supported. */
15941
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
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diff changeset
534 static PyObject *
39644
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diff changeset
535 do_richcompare(PyObject *v, PyObject *w, int op)
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diff changeset
536 {
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537 richcmpfunc f;
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538 PyObject *res;
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539
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540 if (v->ob_type != w->ob_type &&
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541 PyType_IsSubtype(w->ob_type, v->ob_type) &&
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542 (f = w->ob_type->tp_richcompare) != NULL) {
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543 res = (*f)(w, v, _Py_SwappedOp[op]);
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544 if (res != Py_NotImplemented)
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545 return res;
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546 Py_DECREF(res);
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547 }
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548 if ((f = v->ob_type->tp_richcompare) != NULL) {
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549 res = (*f)(v, w, op);
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550 if (res != Py_NotImplemented)
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551 return res;
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552 Py_DECREF(res);
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553 }
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554 if ((f = w->ob_type->tp_richcompare) != NULL) {
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555 res = (*f)(w, v, _Py_SwappedOp[op]);
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556 if (res != Py_NotImplemented)
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557 return res;
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558 Py_DECREF(res);
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559 }
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560 /* If neither object implements it, provide a sensible default
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561 for == and !=, but raise an exception for ordering. */
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562 switch (op) {
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563 case Py_EQ:
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564 res = (v == w) ? Py_True : Py_False;
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565 break;
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566 case Py_NE:
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567 res = (v != w) ? Py_True : Py_False;
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568 break;
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diff changeset
569 default:
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570 /* XXX Special-case None so it doesn't show as NoneType() */
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571 PyErr_Format(PyExc_TypeError,
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572 "unorderable types: %.100s() %s %.100s()",
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573 v->ob_type->tp_name,
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574 opstrings[op],
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575 w->ob_type->tp_name);
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576 return NULL;
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577 }
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578 Py_INCREF(res);
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579 return res;
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580 }
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diff changeset
581
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582 /* Perform a rich comparison with object result. This wraps do_richcompare()
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
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parents: 39623
diff changeset
583 with a check for NULL arguments and a recursion check. */
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584
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585 PyObject *
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586 PyObject_RichCompare(PyObject *v, PyObject *w, int op)
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
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587 {
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588 PyObject *res;
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diff changeset
589
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590 assert(Py_LT <= op && op <= Py_GE);
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591 if (v == NULL || w == NULL) {
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592 if (!PyErr_Occurred())
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593 PyErr_BadInternalCall();
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594 return NULL;
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595 }
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596 if (Py_EnterRecursiveCall(" in comparison"))
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597 return NULL;
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598 res = do_richcompare(v, w, op);
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599 Py_LeaveRecursiveCall();
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600 return res;
15941
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diff changeset
601 }
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
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602
39644
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603 /* Perform a rich comparison with integer result. This wraps
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
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604 PyObject_RichCompare(), returning -1 for error, 0 for false, 1 for true. */
15941
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parents: 15726
diff changeset
605 int
5abae795742e Rich comparisons. Refactored internal routine do_cmp() and added APIs
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diff changeset
606 PyObject_RichCompareBool(PyObject *v, PyObject *w, int op)
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Guido van Rossum <guido@python.org>
parents: 15726
diff changeset
607 {
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608 PyObject *res;
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diff changeset
609 int ok;
15941
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diff changeset
610
61467
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diff changeset
611 /* Quick result when objects are the same.
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diff changeset
612 Guarantees that identity implies equality. */
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diff changeset
613 if (v == w) {
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614 if (op == Py_EQ)
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615 return 1;
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616 else if (op == Py_NE)
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617 return 0;
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618 }
49721
98628dc730da Issue #4296: Fix PyObject_RichCompareBool so that "x in [x]" evaluates to
Mark Dickinson <dickinsm@gmail.com>
parents: 48885
diff changeset
619
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620 res = PyObject_RichCompare(v, w, op);
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621 if (res == NULL)
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622 return -1;
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623 if (PyBool_Check(res))
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624 ok = (res == Py_True);
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625 else
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626 ok = PyObject_IsTrue(res);
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627 Py_DECREF(res);
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628 return ok;
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629 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
630
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
631 /* Set of hash utility functions to help maintaining the invariant that
61467
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632 if a==b then hash(a)==hash(b)
13141
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Fred Drake <fdrake@acm.org>
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633
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
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634 All the utility functions (_Py_Hash*()) return "-1" to signify an error.
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
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635 */
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
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636
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
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diff changeset
637 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
638 _Py_HashDouble(double v)
13141
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diff changeset
639 {
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640 double intpart, fractpart;
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641 int expo;
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diff changeset
642 long hipart;
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643 long x; /* the final hash value */
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644 /* This is designed so that Python numbers of different types
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645 * that compare equal hash to the same value; otherwise comparisons
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646 * of mapping keys will turn out weird.
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647 */
13976
5ada9fa54801 Fix for http://sourceforge.net/bugs/?func=detailbug&bug_id=111866&group_id=5470.
Tim Peters <tim.peters@gmail.com>
parents: 13915
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648
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649 fractpart = modf(v, &intpart);
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650 if (fractpart == 0.0) {
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651 /* This must return the same hash as an equal int or long. */
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652 if (intpart > LONG_MAX/2 || -intpart > LONG_MAX/2) {
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diff changeset
653 /* Convert to long and use its hash. */
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654 PyObject *plong; /* converted to Python long */
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655 if (Py_IS_INFINITY(intpart))
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656 /* can't convert to long int -- arbitrary */
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657 v = v < 0 ? -271828.0 : 314159.0;
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diff changeset
658 plong = PyLong_FromDouble(v);
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659 if (plong == NULL)
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660 return -1;
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diff changeset
661 x = PyObject_Hash(plong);
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662 Py_DECREF(plong);
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663 return x;
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diff changeset
664 }
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665 /* Fits in a C long == a Python int, so is its own hash. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
666 x = (long)intpart;
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667 if (x == -1)
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668 x = -2;
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669 return x;
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670 }
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diff changeset
671 /* The fractional part is non-zero, so we don't have to worry about
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
672 * making this match the hash of some other type.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
673 * Use frexp to get at the bits in the double.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
674 * Since the VAX D double format has 56 mantissa bits, which is the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
675 * most of any double format in use, each of these parts may have as
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
676 * many as (but no more than) 56 significant bits.
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diff changeset
677 * So, assuming sizeof(long) >= 4, each part can be broken into two
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
678 * longs; frexp and multiplication are used to do that.
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diff changeset
679 * Also, since the Cray double format has 15 exponent bits, which is
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
680 * the most of any double format in use, shifting the exponent field
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
681 * left by 15 won't overflow a long (again assuming sizeof(long) >= 4).
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diff changeset
682 */
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diff changeset
683 v = frexp(v, &expo);
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diff changeset
684 v *= 2147483648.0; /* 2**31 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
685 hipart = (long)v; /* take the top 32 bits */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
686 v = (v - (double)hipart) * 2147483648.0; /* get the next 32 bits */
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diff changeset
687 x = hipart + (long)v + (expo << 15);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
688 if (x == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
689 x = -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
690 return x;
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
691 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
692
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
693 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
694 _Py_HashPointer(void *p)
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
695 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
696 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
697 size_t y = (size_t)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
698 /* bottom 3 or 4 bits are likely to be 0; rotate y by 4 to avoid
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
699 excessive hash collisions for dicts and sets */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
700 y = (y >> 4) | (y << (8 * SIZEOF_VOID_P - 4));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
701 x = (long)y;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
702 if (x == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
703 x = -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
704 return x;
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
705 }
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
706
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
707 long
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
708 PyObject_HashNotImplemented(PyObject *v)
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
709 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
710 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
711 Py_TYPE(v)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
712 return -1;
48475
f4e7ef4329a9 Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited
Nick Coghlan <ncoghlan@gmail.com>
parents: 47611
diff changeset
713 }
13141
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal
Fred Drake <fdrake@acm.org>
parents: 13089
diff changeset
714
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
715 long
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
716 PyObject_Hash(PyObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
717 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
718 PyTypeObject *tp = Py_TYPE(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
719 if (tp->tp_hash != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
720 return (*tp->tp_hash)(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
721 /* To keep to the general practice that inheriting
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
722 * solely from object in C code should work without
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
723 * an explicit call to PyType_Ready, we implicitly call
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
724 * PyType_Ready here and then check the tp_hash slot again
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
725 */
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parents: 59859
diff changeset
726 if (tp->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
727 if (PyType_Ready(tp) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
728 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
729 if (tp->tp_hash != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
730 return (*tp->tp_hash)(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
731 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
732 /* Otherwise, the object can't be hashed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
733 return PyObject_HashNotImplemented(v);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
734 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
735
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
736 PyObject *
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
737 PyObject_GetAttrString(PyObject *v, const char *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
738 {
61467
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parents: 59859
diff changeset
739 PyObject *w, *res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
740
61467
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parents: 59859
diff changeset
741 if (Py_TYPE(v)->tp_getattr != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
742 return (*Py_TYPE(v)->tp_getattr)(v, (char*)name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
743 w = PyUnicode_InternFromString(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
744 if (w == NULL)
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diff changeset
745 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
746 res = PyObject_GetAttr(v, w);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
747 Py_XDECREF(w);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
748 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
749 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
750
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
751 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
752 PyObject_HasAttrString(PyObject *v, const char *name)
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
753 {
61467
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diff changeset
754 PyObject *res = PyObject_GetAttrString(v, name);
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parents: 59859
diff changeset
755 if (res != NULL) {
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diff changeset
756 Py_DECREF(res);
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diff changeset
757 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
758 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
759 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
760 return 0;
1324
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
761 }
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
762
716be765a79b * accessobject.c (ownercheck): allow a base class access to protected
Guido van Rossum <guido@python.org>
parents: 1282
diff changeset
763 int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35331
diff changeset
764 PyObject_SetAttrString(PyObject *v, const char *name, PyObject *w)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
765 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
766 PyObject *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
767 int res;
3986
9c2cbf306864 Support for tp_getattro, tp_setattro (Sjoerd)
Guido van Rossum <guido@python.org>
parents: 3770
diff changeset
768
61467
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parents: 59859
diff changeset
769 if (Py_TYPE(v)->tp_setattr != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
770 return (*Py_TYPE(v)->tp_setattr)(v, (char*)name, w);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
771 s = PyUnicode_InternFromString(name);
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parents: 59859
diff changeset
772 if (s == NULL)
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diff changeset
773 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
774 res = PyObject_SetAttr(v, s, w);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
775 Py_XDECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
776 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
777 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
778
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
779 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
780 PyObject_GetAttr(PyObject *v, PyObject *name)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
781 {
61467
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diff changeset
782 PyTypeObject *tp = Py_TYPE(v);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
783
61467
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parents: 59859
diff changeset
784 if (!PyUnicode_Check(name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
785 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
786 "attribute name must be string, not '%.200s'",
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diff changeset
787 name->ob_type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
788 return NULL;
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diff changeset
789 }
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diff changeset
790 if (tp->tp_getattro != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
791 return (*tp->tp_getattro)(v, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
792 if (tp->tp_getattr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
793 char *name_str = _PyUnicode_AsString(name);
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diff changeset
794 if (name_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
795 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
796 return (*tp->tp_getattr)(v, name_str);
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diff changeset
797 }
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diff changeset
798 PyErr_Format(PyExc_AttributeError,
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diff changeset
799 "'%.50s' object has no attribute '%U'",
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diff changeset
800 tp->tp_name, name);
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diff changeset
801 return NULL;
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
802 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
803
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
804 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
805 PyObject_HasAttr(PyObject *v, PyObject *name)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
806 {
61467
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diff changeset
807 PyObject *res = PyObject_GetAttr(v, name);
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diff changeset
808 if (res != NULL) {
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809 Py_DECREF(res);
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diff changeset
810 return 1;
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diff changeset
811 }
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diff changeset
812 PyErr_Clear();
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diff changeset
813 return 0;
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
814 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
815
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
816 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
817 PyObject_SetAttr(PyObject *v, PyObject *name, PyObject *value)
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
818 {
61467
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diff changeset
819 PyTypeObject *tp = Py_TYPE(v);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
820 int err;
14660
983502b2cd43 PyObject_SetAttr() and PyObject_GetAttr() now also accept Unicode
Marc-André Lemburg <mal@egenix.com>
parents: 14375
diff changeset
821
61467
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diff changeset
822 if (!PyUnicode_Check(name)) {
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parents: 59859
diff changeset
823 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
824 "attribute name must be string, not '%.200s'",
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diff changeset
825 name->ob_type->tp_name);
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diff changeset
826 return -1;
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diff changeset
827 }
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diff changeset
828 Py_INCREF(name);
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diff changeset
829
61467
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diff changeset
830 PyUnicode_InternInPlace(&name);
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diff changeset
831 if (tp->tp_setattro != NULL) {
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diff changeset
832 err = (*tp->tp_setattro)(v, name, value);
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diff changeset
833 Py_DECREF(name);
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diff changeset
834 return err;
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diff changeset
835 }
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diff changeset
836 if (tp->tp_setattr != NULL) {
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parents: 59859
diff changeset
837 char *name_str = _PyUnicode_AsString(name);
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diff changeset
838 if (name_str == NULL)
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diff changeset
839 return -1;
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diff changeset
840 err = (*tp->tp_setattr)(v, name_str, value);
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parents: 59859
diff changeset
841 Py_DECREF(name);
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diff changeset
842 return err;
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diff changeset
843 }
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diff changeset
844 Py_DECREF(name);
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diff changeset
845 assert(name->ob_refcnt >= 1);
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diff changeset
846 if (tp->tp_getattr == NULL && tp->tp_getattro == NULL)
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diff changeset
847 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
848 "'%.100s' object has no attributes "
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parents: 59859
diff changeset
849 "(%s .%U)",
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parents: 59859
diff changeset
850 tp->tp_name,
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diff changeset
851 value==NULL ? "del" : "assign to",
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diff changeset
852 name);
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diff changeset
853 else
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diff changeset
854 PyErr_Format(PyExc_TypeError,
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diff changeset
855 "'%.100s' object has only read-only attributes "
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parents: 59859
diff changeset
856 "(%s .%U)",
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diff changeset
857 tp->tp_name,
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diff changeset
858 value==NULL ? "del" : "assign to",
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diff changeset
859 name);
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diff changeset
860 return -1;
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diff changeset
861 }
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parents: 18887
diff changeset
862
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
863 /* Helper to get a pointer to an object's __dict__ slot, if any */
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parents: 18887
diff changeset
864
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
865 PyObject **
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parents: 18887
diff changeset
866 _PyObject_GetDictPtr(PyObject *obj)
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diff changeset
867 {
61467
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diff changeset
868 Py_ssize_t dictoffset;
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diff changeset
869 PyTypeObject *tp = Py_TYPE(obj);
18933
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diff changeset
870
61467
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diff changeset
871 dictoffset = tp->tp_dictoffset;
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parents: 59859
diff changeset
872 if (dictoffset == 0)
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diff changeset
873 return NULL;
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parents: 59859
diff changeset
874 if (dictoffset < 0) {
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parents: 59859
diff changeset
875 Py_ssize_t tsize;
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parents: 59859
diff changeset
876 size_t size;
22106
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
877
61467
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diff changeset
878 tsize = ((PyVarObject *)obj)->ob_size;
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diff changeset
879 if (tsize < 0)
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diff changeset
880 tsize = -tsize;
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parents: 59859
diff changeset
881 size = _PyObject_VAR_SIZE(tp, tsize);
22106
93eb4b61f687 SF patch 514641 (Naofumi Honda) - Negative ob_size of LongObjects
Guido van Rossum <guido@python.org>
parents: 21186
diff changeset
882
61467
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diff changeset
883 dictoffset += (long)size;
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diff changeset
884 assert(dictoffset > 0);
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diff changeset
885 assert(dictoffset % SIZEOF_VOID_P == 0);
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diff changeset
886 }
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887 return (PyObject **) ((char *)obj + dictoffset);
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diff changeset
888 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18887
diff changeset
889
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
890 PyObject *
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28308
diff changeset
891 PyObject_SelfIter(PyObject *obj)
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
892 {
61467
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diff changeset
893 Py_INCREF(obj);
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diff changeset
894 return obj;
28308
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
895 }
9c3572a5575f Created PyObject_GenericGetIter().
Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
896
50755
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parents: 50735
diff changeset
897 /* Helper used when the __next__ method is removed from a type:
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parents: 50735
diff changeset
898 tp_iternext is never NULL and can be safely called without checking
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parents: 50735
diff changeset
899 on every iteration.
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diff changeset
900 */
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diff changeset
901
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diff changeset
902 PyObject *
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diff changeset
903 _PyObject_NextNotImplemented(PyObject *self)
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diff changeset
904 {
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diff changeset
905 PyErr_Format(PyExc_TypeError,
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diff changeset
906 "'%.200s' object is not iterable",
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diff changeset
907 Py_TYPE(self)->tp_name);
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diff changeset
908 return NULL;
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909 }
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parents: 50735
diff changeset
910
33489
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
911 /* Generic GetAttr functions - put these in your tp_[gs]etattro slot */
4cb1016525b7 Move a comment back to its rightful location.
Michael W. Hudson <mwh@python.net>
parents: 32981
diff changeset
912
28308
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Raymond Hettinger <python@rcn.com>
parents: 27966
diff changeset
913 PyObject *
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diff changeset
914 PyObject_GenericGetAttr(PyObject *obj, PyObject *name)
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diff changeset
915 {
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diff changeset
916 PyTypeObject *tp = Py_TYPE(obj);
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diff changeset
917 PyObject *descr = NULL;
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918 PyObject *res = NULL;
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diff changeset
919 descrgetfunc f;
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diff changeset
920 Py_ssize_t dictoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
921 PyObject **dictptr;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
922
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
923 if (!PyUnicode_Check(name)){
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
924 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
925 "attribute name must be string, not '%.200s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
926 name->ob_type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
927 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
928 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
929 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
930 Py_INCREF(name);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
931
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
932 if (tp->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
933 if (PyType_Ready(tp) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
934 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
935 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
936
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
937 #if 0 /* XXX this is not quite _PyType_Lookup anymore */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
938 /* Inline _PyType_Lookup */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
939 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
940 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
941 PyObject *mro, *base, *dict;
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
942
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
943 /* Look in tp_dict of types in MRO */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
944 mro = tp->tp_mro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
945 assert(mro != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
946 assert(PyTuple_Check(mro));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
947 n = PyTuple_GET_SIZE(mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
948 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
949 base = PyTuple_GET_ITEM(mro, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
950 assert(PyType_Check(base));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
951 dict = ((PyTypeObject *)base)->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
952 assert(dict && PyDict_Check(dict));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
953 descr = PyDict_GetItem(dict, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
954 if (descr != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
955 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
956 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
957 }
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
958 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
959 descr = _PyType_Lookup(tp, name);
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
960 #endif
24897
6310a4a21eb8 Another modest speedup in PyObject_GenericGetAttr(): inline the call
Guido van Rossum <guido@python.org>
parents: 24894
diff changeset
961
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
962 Py_XINCREF(descr);
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 28669
diff changeset
963
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
964 f = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
965 if (descr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
966 f = descr->ob_type->tp_descr_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
967 if (f != NULL && PyDescr_IsData(descr)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
968 res = f(descr, obj, (PyObject *)obj->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
969 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
970 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
971 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
972 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
973
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
974 /* Inline _PyObject_GetDictPtr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
975 dictoffset = tp->tp_dictoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
976 if (dictoffset != 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
977 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
978 if (dictoffset < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
979 Py_ssize_t tsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
980 size_t size;
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
981
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
982 tsize = ((PyVarObject *)obj)->ob_size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
983 if (tsize < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
984 tsize = -tsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
985 size = _PyObject_VAR_SIZE(tp, tsize);
24894
8862bc59685a Inline call to _PyObject_GetDictPtr() in PyObject_GenericGetAttr().
Guido van Rossum <guido@python.org>
parents: 24644
diff changeset
986
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
987 dictoffset += (long)size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
988 assert(dictoffset > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
989 assert(dictoffset % SIZEOF_VOID_P == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
990 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
991 dictptr = (PyObject **) ((char *)obj + dictoffset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
992 dict = *dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
993 if (dict != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
994 Py_INCREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
995 res = PyDict_GetItem(dict, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
996 if (res != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
997 Py_INCREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
998 Py_XDECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
999 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1000 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1001 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1002 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1003 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1004 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1005
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1006 if (f != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1007 res = f(descr, obj, (PyObject *)Py_TYPE(obj));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1008 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1009 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1010 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1011
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1012 if (descr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1013 res = descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1014 /* descr was already increfed above */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1015 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1016 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1017
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1018 PyErr_Format(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1019 "'%.50s' object has no attribute '%U'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1020 tp->tp_name, name);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1021 done:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1022 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1023 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1024 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1025
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1026 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1027 PyObject_GenericSetAttr(PyObject *obj, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1028 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1029 PyTypeObject *tp = Py_TYPE(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1030 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1031 descrsetfunc f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1032 PyObject **dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1033 int res = -1;
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1034
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1035 if (!PyUnicode_Check(name)){
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1036 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1037 "attribute name must be string, not '%.200s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1038 name->ob_type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1039 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1040 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1041 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1042 Py_INCREF(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1043
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1044 if (tp->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1045 if (PyType_Ready(tp) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1046 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1047 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1048
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1049 descr = _PyType_Lookup(tp, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1050 f = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1051 if (descr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1052 f = descr->ob_type->tp_descr_set;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1053 if (f != NULL && PyDescr_IsData(descr)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1054 res = f(descr, obj, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1055 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1056 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1057 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1058
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1059 dictptr = _PyObject_GetDictPtr(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1060 if (dictptr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1061 PyObject *dict = *dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1062 if (dict == NULL && value != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1063 dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1064 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1065 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1066 *dictptr = dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1067 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1068 if (dict != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1069 Py_INCREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1070 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1071 res = PyDict_DelItem(dict, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1072 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1073 res = PyDict_SetItem(dict, name, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1074 if (res < 0 && PyErr_ExceptionMatches(PyExc_KeyError))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1075 PyErr_SetObject(PyExc_AttributeError, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1076 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1077 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1078 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1079 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1080
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1081 if (f != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1082 res = f(descr, obj, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1083 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1084 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1085
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1086 if (descr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1087 PyErr_Format(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1088 "'%.100s' object has no attribute '%U'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1089 tp->tp_name, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1090 goto done;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1091 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18887
diff changeset
1092
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1093 PyErr_Format(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1094 "'%.50s' object attribute '%U' is read-only",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1095 tp->tp_name, name);
21186
0189186f4ed9 PyObject_Generic{Get,Set}Attr(): ensure that the attribute name is a
Guido van Rossum <guido@python.org>
parents: 20865
diff changeset
1096 done:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1097 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1098 return res;
5560
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1099 }
8ec298b255a2 Moved PyObject_{Get,Set}Attr here (from dictobject) and add PyObject_HasAttr.
Guido van Rossum <guido@python.org>
parents: 5535
diff changeset
1100
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1101 /* Test a value used as condition, e.g., in a for or if statement.
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1102 Return -1 if an error occurred */
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1103
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1104 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1105 PyObject_IsTrue(PyObject *v)
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1106 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1107 Py_ssize_t res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1108 if (v == Py_True)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1109 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1110 if (v == Py_False)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1111 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1112 if (v == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1113 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1114 else if (v->ob_type->tp_as_number != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1115 v->ob_type->tp_as_number->nb_bool != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1116 res = (*v->ob_type->tp_as_number->nb_bool)(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1117 else if (v->ob_type->tp_as_mapping != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1118 v->ob_type->tp_as_mapping->mp_length != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1119 res = (*v->ob_type->tp_as_mapping->mp_length)(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1120 else if (v->ob_type->tp_as_sequence != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1121 v->ob_type->tp_as_sequence->sq_length != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1122 res = (*v->ob_type->tp_as_sequence->sq_length)(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1123 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1124 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1125 /* if it is negative, it should be either -1 or -2 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1126 return (res > 0) ? 1 : Py_SAFE_DOWNCAST(res, Py_ssize_t, int);
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1127 }
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1128
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1129 /* equivalent of 'not v'
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1130 Return -1 if an error occurred */
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1131
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1132 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1133 PyObject_Not(PyObject *v)
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1134 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1135 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1136 res = PyObject_IsTrue(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1137 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1138 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1139 return res == 0;
7935
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1140 }
aa7d69d67c81 Add PyObject_Not().
Guido van Rossum <guido@python.org>
parents: 7119
diff changeset
1141
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1142 /* Test whether an object can be called */
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1143
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1144 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1145 PyCallable_Check(PyObject *x)
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1146 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1147 if (x == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1148 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1149 return x->ob_type->tp_call != NULL;
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1150 }
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1151
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1152 /* ------------------------- PyObject_Dir() helpers ------------------------- */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1153
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1154 /* Helper for PyObject_Dir.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1155 Merge the __dict__ of aclass into dict, and recursively also all
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1156 the __dict__s of aclass's base classes. The order of merging isn't
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1157 defined, as it's expected that only the final set of dict keys is
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1158 interesting.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1159 Return 0 on success, -1 on error.
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1160 */
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1161
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1162 static int
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1163 merge_class_dict(PyObject* dict, PyObject* aclass)
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1164 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1165 PyObject *classdict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1166 PyObject *bases;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1167
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1168 assert(PyDict_Check(dict));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1169 assert(aclass);
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1170
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1171 /* Merge in the type's dict (if any). */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1172 classdict = PyObject_GetAttrString(aclass, "__dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1173 if (classdict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1174 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1175 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1176 int status = PyDict_Update(dict, classdict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1177 Py_DECREF(classdict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1178 if (status < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1179 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1180 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1181
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1182 /* Recursively merge in the base types' (if any) dicts. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1183 bases = PyObject_GetAttrString(aclass, "__bases__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1184 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1185 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1186 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1187 /* We have no guarantee that bases is a real tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1188 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1189 n = PySequence_Size(bases); /* This better be right */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1190 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1191 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1192 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1193 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1194 int status;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1195 PyObject *base = PySequence_GetItem(bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1196 if (base == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1197 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1198 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1199 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1200 status = merge_class_dict(dict, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1201 Py_DECREF(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1202 if (status < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1203 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1204 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1205 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1206 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1207 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1208 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1209 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1210 return 0;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1211 }
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1212
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1213 /* Helper for PyObject_Dir without arguments: returns the local scope. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1214 static PyObject *
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41124
diff changeset
1215 _dir_locals(void)
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1216 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1217 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1218 PyObject *locals = PyEval_GetLocals();
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1219
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1220 if (locals == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1221 PyErr_SetString(PyExc_SystemError, "frame does not exist");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1222 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1223 }
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1224
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1225 names = PyMapping_Keys(locals);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1226 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1227 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1228 if (!PyList_Check(names)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1229 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1230 "dir(): expected keys() of locals to be a list, "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1231 "not '%.200s'", Py_TYPE(names)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1232 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1233 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1234 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1235 /* the locals don't need to be DECREF'd */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1236 return names;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1237 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1238
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1239 /* Helper for PyObject_Dir of type objects: returns __dict__ and __bases__.
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1240 We deliberately don't suck up its __class__, as methods belonging to the
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1241 metaclass would probably be more confusing than helpful.
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1242 */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1243 static PyObject *
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1244 _specialized_dir_type(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1245 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1246 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1247 PyObject *dict = PyDict_New();
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1248
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1249 if (dict != NULL && merge_class_dict(dict, obj) == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1250 result = PyDict_Keys(dict);
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1251
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1252 Py_XDECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1253 return result;
19932
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1254 }
621ed13445de PyObject_Dir(): Merge in __members__ and __methods__ too (if they exist,
Tim Peters <tim.peters@gmail.com>
parents: 19931
diff changeset
1255
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1256 /* Helper for PyObject_Dir of module objects: returns the module's __dict__. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1257 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1258 _specialized_dir_module(PyObject *obj)
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1259 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1260 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1261 PyObject *dict = PyObject_GetAttrString(obj, "__dict__");
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1262
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1263 if (dict != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1264 if (PyDict_Check(dict))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1265 result = PyDict_Keys(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1266 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1267 const char *name = PyModule_GetName(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1268 if (name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1269 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1270 "%.200s.__dict__ is not a dictionary",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1271 name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1272 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1273 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1274
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1275 Py_XDECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1276 return result;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1277 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1278
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1279 /* Helper for PyObject_Dir of generic objects: returns __dict__, __class__,
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1280 and recursively up the __class__.__bases__ chain.
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1281 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1282 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1283 _generic_dir(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1284 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1285 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1286 PyObject *dict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1287 PyObject *itsclass = NULL;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1288
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1289 /* Get __dict__ (which may or may not be a real dict...) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1290 dict = PyObject_GetAttrString(obj, "__dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1291 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1292 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1293 dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1294 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1295 else if (!PyDict_Check(dict)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1296 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1297 dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1298 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1299 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1300 /* Copy __dict__ to avoid mutating it. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1301 PyObject *temp = PyDict_Copy(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1302 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1303 dict = temp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1304 }
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1305
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1306 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1307 goto error;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1308
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1309 /* Merge in attrs reachable from its class. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1310 itsclass = PyObject_GetAttrString(obj, "__class__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1311 if (itsclass == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1312 /* XXX(tomer): Perhaps fall back to obj->ob_type if no
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1313 __class__ exists? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1314 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1315 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1316 if (merge_class_dict(dict, itsclass) != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1317 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1318 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1319
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1320 result = PyDict_Keys(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1321 /* fall through */
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1322 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1323 Py_XDECREF(itsclass);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1324 Py_XDECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1325 return result;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1326 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1327
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1328 /* Helper for PyObject_Dir: object introspection.
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1329 This calls one of the above specialized versions if no __dir__ method
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1330 exists. */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1331 static PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1332 _dir_object(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1333 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1334 PyObject * result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1335 PyObject * dirfunc = PyObject_GetAttrString((PyObject*)obj->ob_type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1336 "__dir__");
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1337
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1338 assert(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1339 if (dirfunc == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1340 /* use default implementation */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1341 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1342 if (PyModule_Check(obj))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1343 result = _specialized_dir_module(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1344 else if (PyType_Check(obj))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1345 result = _specialized_dir_type(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1346 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1347 result = _generic_dir(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1348 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1349 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1350 /* use __dir__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1351 result = PyObject_CallFunctionObjArgs(dirfunc, obj, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1352 Py_DECREF(dirfunc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1353 if (result == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1354 return NULL;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1355
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1356 /* result must be a list */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1357 /* XXX(gbrandl): could also check if all items are strings */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1358 if (!PyList_Check(result)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1359 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1360 "__dir__() must return a list, not %.200s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1361 Py_TYPE(result)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1362 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1363 result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1364 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1365 }
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1366
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1367 return result;
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1368 }
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1369
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1370 /* Implementation of dir() -- if obj is NULL, returns the names in the current
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1371 (local) scope. Otherwise, performs introspection of the object: returns a
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1372 sorted list of attribute names (supposedly) accessible from the object
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1373 */
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1374 PyObject *
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1375 PyObject_Dir(PyObject *obj)
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1376 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1377 PyObject * result;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1378
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1379 if (obj == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1380 /* no object -- introspect the locals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1381 result = _dir_locals();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1382 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1383 /* object -- introspect the object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1384 result = _dir_object(obj);
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1385
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1386 assert(result == NULL || PyList_Check(result));
41107
cf452027073e Patch #1591665: implement the __dir__() special function lookup in PyObject_Dir.
Georg Brandl <georg@python.org>
parents: 40737
diff changeset
1387
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1388 if (result != NULL && PyList_Sort(result) != 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1389 /* sorting the list failed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1390 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1391 result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1392 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
1393
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1394 return result;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19633
diff changeset
1395 }
2237
0b0b18d655d2 move callable() here
Guido van Rossum <guido@python.org>
parents: 2160
diff changeset
1396
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1397 /*
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1398 NoObject is usable as a non-NULL undefined value, used by the macro None.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1399 There is (and should be!) no way to create other objects of this type,
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1400 so there is exactly one (which is indestructible, by the way).
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1401 (XXX This type and the type of NotImplemented below should be unified.)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1402 */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1403
739
ab1b3486b226 Fix lint bug
Guido van Rossum <guido@python.org>
parents: 512
diff changeset
1404 /* ARGSUSED */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1405 static PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1406 none_repr(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1407 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1408 return PyUnicode_FromString("None");
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1409 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1410
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1411 /* ARGUSED */
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1412 static void
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1413 none_dealloc(PyObject* ignore)
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1414 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1415 /* This should never get called, but we also don't want to SEGV if
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1416 * we accidentally decref None out of existence.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1417 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1418 Py_FatalError("deallocating None");
16165
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1419 }
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1420
0a72070eab6e A few miscellaneous helpers.
Barry Warsaw <barry@python.org>
parents: 16123
diff changeset
1421
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1422 static PyTypeObject PyNone_Type = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1423 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1424 "NoneType",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1425 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1426 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1427 none_dealloc, /*tp_dealloc*/ /*never called*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1428 0, /*tp_print*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1429 0, /*tp_getattr*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1430 0, /*tp_setattr*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1431 0, /*tp_reserved*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1432 none_repr, /*tp_repr*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1433 0, /*tp_as_number*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1434 0, /*tp_as_sequence*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1435 0, /*tp_as_mapping*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1436 0, /*tp_hash */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1437 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1438
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5006
diff changeset
1439 PyObject _Py_NoneStruct = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1440 _PyObject_EXTRA_INIT
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42196
diff changeset
1441 1, &PyNone_Type
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1442 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1443
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1444 /* NotImplemented is an object that can be used to signal that an
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1445 operation is not implemented for the given type combination. */
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1446
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1447 static PyObject *
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1448 NotImplemented_repr(PyObject *op)
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
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parents: 15318
diff changeset
1449 {
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diff changeset
1450 return PyUnicode_FromString("NotImplemented");
15726
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1451 }
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1452
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1453 static PyTypeObject PyNotImplemented_Type = {
61467
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1454 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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diff changeset
1455 "NotImplementedType",
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diff changeset
1456 0,
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diff changeset
1457 0,
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diff changeset
1458 none_dealloc, /*tp_dealloc*/ /*never called*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1459 0, /*tp_print*/
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diff changeset
1460 0, /*tp_getattr*/
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diff changeset
1461 0, /*tp_setattr*/
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diff changeset
1462 0, /*tp_reserved*/
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diff changeset
1463 NotImplemented_repr, /*tp_repr*/
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diff changeset
1464 0, /*tp_as_number*/
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1465 0, /*tp_as_sequence*/
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diff changeset
1466 0, /*tp_as_mapping*/
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diff changeset
1467 0, /*tp_hash */
15726
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diff changeset
1468 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1469
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
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diff changeset
1470 PyObject _Py_NotImplementedStruct = {
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1471 _PyObject_EXTRA_INIT
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diff changeset
1472 1, &PyNotImplemented_Type
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diff changeset
1473 };
db9f1893be01 Changes for PEP 208. PyObject_Compare has been rewritten. Instances no
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1474
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1475 void
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1476 _Py_ReadyTypes(void)
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1477 {
61467
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diff changeset
1478 if (PyType_Ready(&PyType_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1479 Py_FatalError("Can't initialize type type");
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1480
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diff changeset
1481 if (PyType_Ready(&_PyWeakref_RefType) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1482 Py_FatalError("Can't initialize weakref type");
32472
4383db77b19a Make weak references subclassable:
Fred Drake <fdrake@acm.org>
parents: 32463
diff changeset
1483
61467
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1484 if (PyType_Ready(&_PyWeakref_CallableProxyType) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1485 Py_FatalError("Can't initialize callable weakref proxy type");
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diff changeset
1486
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diff changeset
1487 if (PyType_Ready(&_PyWeakref_ProxyType) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1488 Py_FatalError("Can't initialize weakref proxy type");
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diff changeset
1489
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diff changeset
1490 if (PyType_Ready(&PyBool_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1491 Py_FatalError("Can't initialize bool type");
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22649
diff changeset
1492
61467
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diff changeset
1493 if (PyType_Ready(&PyByteArray_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1494 Py_FatalError("Can't initialize bytearray type");
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents: 37879
diff changeset
1495
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diff changeset
1496 if (PyType_Ready(&PyBytes_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1497 Py_FatalError("Can't initialize 'str'");
23542
220b98f06415 - A new type object, 'string', is added. This is a common base type
Guido van Rossum <guido@python.org>
parents: 23436
diff changeset
1498
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diff changeset
1499 if (PyType_Ready(&PyList_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1500 Py_FatalError("Can't initialize list type");
19294
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diff changeset
1501
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diff changeset
1502 if (PyType_Ready(&PyNone_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1503 Py_FatalError("Can't initialize None type");
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1504
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diff changeset
1505 if (PyType_Ready(Py_Ellipsis->ob_type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1506 Py_FatalError("Can't initialize type(Ellipsis)");
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1507
61467
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diff changeset
1508 if (PyType_Ready(&PyNotImplemented_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1509 Py_FatalError("Can't initialize NotImplemented type");
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diff changeset
1510
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diff changeset
1511 if (PyType_Ready(&PyTraceBack_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1512 Py_FatalError("Can't initialize traceback type");
53244
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diff changeset
1513
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diff changeset
1514 if (PyType_Ready(&PySuper_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1515 Py_FatalError("Can't initialize super type");
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diff changeset
1516
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diff changeset
1517 if (PyType_Ready(&PyBaseObject_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1518 Py_FatalError("Can't initialize object type");
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diff changeset
1519
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diff changeset
1520 if (PyType_Ready(&PyRange_Type) < 0)
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1521 Py_FatalError("Can't initialize range type");
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1522
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1523 if (PyType_Ready(&PyDict_Type) < 0)
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diff changeset
1524 Py_FatalError("Can't initialize dict type");
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diff changeset
1525
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1526 if (PyType_Ready(&PySet_Type) < 0)
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1527 Py_FatalError("Can't initialize set type");
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diff changeset
1528
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diff changeset
1529 if (PyType_Ready(&PyUnicode_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1530 Py_FatalError("Can't initialize str type");
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diff changeset
1531
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diff changeset
1532 if (PyType_Ready(&PySlice_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1533 Py_FatalError("Can't initialize slice type");
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diff changeset
1534
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diff changeset
1535 if (PyType_Ready(&PyStaticMethod_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1536 Py_FatalError("Can't initialize static method type");
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diff changeset
1537
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diff changeset
1538 #ifndef WITHOUT_COMPLEX
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diff changeset
1539 if (PyType_Ready(&PyComplex_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1540 Py_FatalError("Can't initialize complex type");
53274
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diff changeset
1541 #endif
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diff changeset
1542 if (PyType_Ready(&PyFloat_Type) < 0)
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diff changeset
1543 Py_FatalError("Can't initialize float type");
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diff changeset
1544
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diff changeset
1545 if (PyType_Ready(&PyLong_Type) < 0)
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diff changeset
1546 Py_FatalError("Can't initialize int type");
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diff changeset
1547
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diff changeset
1548 if (PyType_Ready(&PyFrozenSet_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1549 Py_FatalError("Can't initialize frozenset type");
53244
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diff changeset
1550
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diff changeset
1551 if (PyType_Ready(&PyProperty_Type) < 0)
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diff changeset
1552 Py_FatalError("Can't initialize property type");
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diff changeset
1553
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diff changeset
1554 if (PyType_Ready(&PyMemoryView_Type) < 0)
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diff changeset
1555 Py_FatalError("Can't initialize memoryview type");
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1556
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diff changeset
1557 if (PyType_Ready(&PyTuple_Type) < 0)
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diff changeset
1558 Py_FatalError("Can't initialize tuple type");
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1559
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diff changeset
1560 if (PyType_Ready(&PyEnum_Type) < 0)
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diff changeset
1561 Py_FatalError("Can't initialize enumerate type");
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1562
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1563 if (PyType_Ready(&PyReversed_Type) < 0)
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diff changeset
1564 Py_FatalError("Can't initialize reversed type");
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39623
diff changeset
1565
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diff changeset
1566 if (PyType_Ready(&PyStdPrinter_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1567 Py_FatalError("Can't initialize StdPrinter");
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diff changeset
1568
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1569 if (PyType_Ready(&PyCode_Type) < 0)
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diff changeset
1570 Py_FatalError("Can't initialize code type");
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1571
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1572 if (PyType_Ready(&PyFrame_Type) < 0)
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diff changeset
1573 Py_FatalError("Can't initialize frame type");
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parents: 53244
diff changeset
1574
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1575 if (PyType_Ready(&PyCFunction_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1576 Py_FatalError("Can't initialize builtin function type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1577
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1578 if (PyType_Ready(&PyMethod_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1579 Py_FatalError("Can't initialize method type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1580
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1581 if (PyType_Ready(&PyFunction_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1582 Py_FatalError("Can't initialize function type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1583
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1584 if (PyType_Ready(&PyDictProxy_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1585 Py_FatalError("Can't initialize dict proxy type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1586
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1587 if (PyType_Ready(&PyGen_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1588 Py_FatalError("Can't initialize generator type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1589
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1590 if (PyType_Ready(&PyGetSetDescr_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1591 Py_FatalError("Can't initialize get-set descriptor type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1592
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1593 if (PyType_Ready(&PyWrapperDescr_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1594 Py_FatalError("Can't initialize wrapper type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1595
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1596 if (PyType_Ready(&PyEllipsis_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1597 Py_FatalError("Can't initialize ellipsis type");
53274
8533cfc2420a Merged revisions 71734,71738-71739 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53244
diff changeset
1598
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1599 if (PyType_Ready(&PyMemberDescr_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1600 Py_FatalError("Can't initialize member descriptor type");
53953
261f594014c6 these builtins have to be initialized
Benjamin Peterson <benjamin@python.org>
parents: 53906
diff changeset
1601
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1602 if (PyType_Ready(&PyFilter_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1603 Py_FatalError("Can't initialize filter type");
53953
261f594014c6 these builtins have to be initialized
Benjamin Peterson <benjamin@python.org>
parents: 53906
diff changeset
1604
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1605 if (PyType_Ready(&PyMap_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1606 Py_FatalError("Can't initialize map type");
53953
261f594014c6 these builtins have to be initialized
Benjamin Peterson <benjamin@python.org>
parents: 53906
diff changeset
1607
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1608 if (PyType_Ready(&PyZip_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1609 Py_FatalError("Can't initialize zip type");
19294
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1610 }
1456ec735087 Add a function _Py_ReadyTypes() which initializes various and sundry
Guido van Rossum <guido@python.org>
parents: 19293
diff changeset
1611
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1612
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1613 #ifdef Py_TRACE_REFS
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1614
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1615 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1616 _Py_NewReference(PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1617 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1618 _Py_INC_REFTOTAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1619 op->ob_refcnt = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1620 _Py_AddToAllObjects(op, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1621 _Py_INC_TPALLOCS(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1622 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1623
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1624 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1625 _Py_ForgetReference(register PyObject *op)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1626 {
11673
5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free
Guido van Rossum <guido@python.org>
parents: 11649
diff changeset
1627 #ifdef SLOW_UNREF_CHECK
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1628 register PyObject *p;
11673
5e6e9e893acd The rest of the changes by Trent Mick and Dale Nagata for warning-free
Guido van Rossum <guido@python.org>
parents: 11649
diff changeset
1629 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1630 if (op->ob_refcnt < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1631 Py_FatalError("UNREF negative refcnt");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1632 if (op == &refchain ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1633 op->_ob_prev->_ob_next != op || op->_ob_next->_ob_prev != op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1634 fprintf(stderr, "* ob\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1635 _PyObject_Dump(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1636 fprintf(stderr, "* op->_ob_prev->_ob_next\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1637 _PyObject_Dump(op->_ob_prev->_ob_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1638 fprintf(stderr, "* op->_ob_next->_ob_prev\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1639 _PyObject_Dump(op->_ob_next->_ob_prev);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1640 Py_FatalError("UNREF invalid object");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1641 }
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1642 #ifdef SLOW_UNREF_CHECK
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1643 for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1644 if (p == op)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1645 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1646 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1647 if (p == &refchain) /* Not found */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1648 Py_FatalError("UNREF unknown object");
1017
cb7ef9bd9ede If a type has a repr function but no print function, printing it now
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1649 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1650 op->_ob_next->_ob_prev = op->_ob_prev;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1651 op->_ob_prev->_ob_next = op->_ob_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1652 op->_ob_next = op->_ob_prev = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1653 _Py_INC_TPFREES(op);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1654 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1655
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1656 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1657 _Py_Dealloc(PyObject *op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 58
diff changeset
1658 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1659 destructor dealloc = Py_TYPE(op)->tp_dealloc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1660 _Py_ForgetReference(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1661 (*dealloc)(op);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1662 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1663
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1664 /* Print all live objects. Because PyObject_Print is called, the
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1665 * interpreter must be in a healthy state.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1666 */
4002
4241582636ad Define reference count admin debug functions to return void.
Guido van Rossum <guido@python.org>
parents: 3986
diff changeset
1667 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1668 _Py_PrintReferences(FILE *fp)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1669 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1670 PyObject *op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1671 fprintf(fp, "Remaining objects:\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1672 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1673 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] ", op, op->ob_refcnt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1674 if (PyObject_Print(op, fp, 0) != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1675 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1676 putc('\n', fp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1677 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1678 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1679
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1680 /* Print the addresses of all live objects. Unlike _Py_PrintReferences, this
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1681 * doesn't make any calls to the Python C API, so is always safe to call.
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1682 */
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1683 void
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1684 _Py_PrintReferenceAddresses(FILE *fp)
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1685 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1686 PyObject *op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1687 fprintf(fp, "Remaining object addresses:\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1688 for (op = refchain._ob_next; op != &refchain; op = op->_ob_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1689 fprintf(fp, "%p [%" PY_FORMAT_SIZE_T "d] %s\n", op,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1690 op->ob_refcnt, Py_TYPE(op)->tp_name);
28653
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1691 }
56006d97bcef _Py_PrintReferences(): Changed to print object address at start of each
Tim Peters <tim.peters@gmail.com>
parents: 28616
diff changeset
1692
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1693 PyObject *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1694 _Py_GetObjects(PyObject *self, PyObject *args)
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1695 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1696 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1697 PyObject *t = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1698 PyObject *res, *op;
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1699
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1700 if (!PyArg_ParseTuple(args, "i|O", &n, &t))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1701 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1702 op = refchain._ob_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1703 res = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1704 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1705 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1706 for (i = 0; (n == 0 || i < n) && op != &refchain; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1707 while (op == self || op == args || op == res || op == t ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1708 (t != NULL && Py_TYPE(op) != (PyTypeObject *) t)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1709 op = op->_ob_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1710 if (op == &refchain)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1711 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1712 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1713 if (PyList_Append(res, op) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1714 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1715 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1716 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1717 op = op->_ob_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1718 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1719 return res;
3024
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1720 }
54aa87b1ccee Implemented two new functions in sys:
Sjoerd Mullender <sjoerd@acm.org>
parents: 2827
diff changeset
1721
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1722 #endif
3330
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1723
9f1b6e2db8e0 Hack to force loading of cobject.o
Guido van Rossum <guido@python.org>
parents: 3024
diff changeset
1724 /* Hack to force loading of cobject.o */
4588
4dc67fdd9e0b Make gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
1725 PyTypeObject *_Py_cobject_hack = &PyCObject_Type;
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1726
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1727
53816
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630
Benjamin Peterson <benjamin@python.org>
parents: 53274
diff changeset
1728 /* Hack to force loading of pycapsule.o */
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630
Benjamin Peterson <benjamin@python.org>
parents: 53274
diff changeset
1729 PyTypeObject *_PyCapsule_hack = &PyCapsule_Type;
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630
Benjamin Peterson <benjamin@python.org>
parents: 53274
diff changeset
1730
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630
Benjamin Peterson <benjamin@python.org>
parents: 53274
diff changeset
1731
3574
1ec154241747 TRACE_REFS -> Py_TRACE_REFS.
Guido van Rossum <guido@python.org>
parents: 3330
diff changeset
1732 /* Hack to force loading of abstract.o */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1733 Py_ssize_t (*_Py_abstract_hack)(PyObject *) = PyObject_Size;
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1734
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1735
14006
ed369f0aa32b Updated comment
Andrew M. Kuchling <amk@amk.ca>
parents: 13976
diff changeset
1736 /* Python's malloc wrappers (see pymem.h) */
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1737
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1738 void *
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1739 PyMem_Malloc(size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1740 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1741 return PyMem_MALLOC(nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1742 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1743
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1744 void *
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1745 PyMem_Realloc(void *p, size_t nbytes)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1746 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1747 return PyMem_REALLOC(p, nbytes);
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1748 }
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1749
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1750 void
13709
4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1751 PyMem_Free(void *p)
5931
12fe5cc1516d Added _Py_ResetReferences(), if tracing references.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
1752 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1753 PyMem_FREE(p);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1754 }
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1755
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12481
diff changeset
1756
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1757 /* These methods are used to control infinite recursion in repr, str, print,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1758 etc. Container objects that may recursively contain themselves,
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1759 e.g. builtin dictionaries and lists, should used Py_ReprEnter() and
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1760 Py_ReprLeave() to avoid infinite recursion.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1761
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1762 Py_ReprEnter() returns 0 the first time it is called for a particular
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1763 object and 1 every time thereafter. It returns -1 if an exception
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1764 occurred. Py_ReprLeave() has no return value.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1765
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1766 See dictobject.c and listobject.c for examples of use.
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1767 */
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1768
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1769 #define KEY "Py_Repr"
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1770
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1771 int
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1772 Py_ReprEnter(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1773 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1774 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1775 PyObject *list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1776 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1777
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1778 dict = PyThreadState_GetDict();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1779 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1780 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1781 list = PyDict_GetItemString(dict, KEY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1782 if (list == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1783 list = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1784 if (list == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1785 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1786 if (PyDict_SetItemString(dict, KEY, list) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1787 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1788 Py_DECREF(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1789 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1790 i = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1791 while (--i >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1792 if (PyList_GET_ITEM(list, i) == obj)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1793 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1794 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1795 PyList_Append(list, obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1796 return 0;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1797 }
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1798
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1799 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1800 Py_ReprLeave(PyObject *obj)
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1801 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1802 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1803 PyObject *list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1804 Py_ssize_t i;
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1805
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1806 dict = PyThreadState_GetDict();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1807 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1808 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1809 list = PyDict_GetItemString(dict, KEY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1810 if (list == NULL || !PyList_Check(list))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1811 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1812 i = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1813 /* Count backwards because we always expect obj to be list[-1] */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1814 while (--i >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1815 if (PyList_GET_ITEM(list, i) == obj) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1816 PyList_SetSlice(list, i, i + 1, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1817 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1818 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59859
diff changeset
1819 }
7984
1d0eb2e96d76 Add implementations of Py_Repr{Enter,Leave}.
Guido van Rossum <guido@python.org>
parents: 7935
diff changeset
1820 }
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1821
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1822 /* Trashcan support. */
12052
5d3165e30bce Christian Tismer:
Guido van Rossum <guido@python.org>
parents: 11999
diff changeset
1823
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1824 /* Current call-stack depth of tp_dealloc calls. */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1825 int _PyTrash_delete_nesting = 0;
12481
a8898a172fe2 Christian Tismer -- total rewrite on trashcan code.
Guido van Rossum <guido@python.org>
parents: 12406
diff changeset
1826
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1827 /* List of objects that still need to be cleaned up, singly linked via their
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1828 * gc headers' gc_prev pointers.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1829 */
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1830 PyObject *_PyTrash_delete_later = NULL;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1831
24122
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1832 /* Add op to the _PyTrash_delete_later list. Called when the current
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1833 * call-stack depth gets large. op must be a currently untracked gc'ed
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1834 * object, with refcount 0. Py_DECREF must already have been called on it.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1835 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1836 void
13473
31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1837 _PyTrash_deposit_object(PyObject *op)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1838 {
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1839 assert(PyObject_IS_GC(op));
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1840 assert(_Py_AS_GC(op)->gc.gc_refs == _PyGC_REFS_UNTRACKED);
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1841 assert(op->ob_refcnt == 0);
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1842 _Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyTrash_delete_later;
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1843 _PyTrash_delete_later = op;
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
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1844 }
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
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1845
24122
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Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1846 /* Dealloccate all the objects in the _PyTrash_delete_later list. Called when
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1847 * the call-stack unwinds again.
d332484e394a Trashcan cleanup: Now that cyclic gc is always there, the trashcan
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1848 */
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1849 void
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31b1f691a7d9 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1850 _PyTrash_destroy_chain(void)
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1851 {
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1852 while (_PyTrash_delete_later) {
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1853 PyObject *op = _PyTrash_delete_later;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
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1854 destructor dealloc = Py_TYPE(op)->tp_dealloc;
22649
1616bd8b31bc If the GC is enabled then don't use the ob_type pointer to create a list
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1855
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1856 _PyTrash_delete_later =
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1857 (PyObject*) _Py_AS_GC(op)->gc.gc_prev;
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22469
diff changeset
1858
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1859 /* Call the deallocator directly. This used to try to
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parents: 59859
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1860 * fool Py_DECREF into calling it indirectly, but
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
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1861 * Py_DECREF was already called on this object, and in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
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1862 * assorted non-release builds calling Py_DECREF again ends
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59859
diff changeset
1863 * up distorting allocation statistics.
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parents: 59859
diff changeset
1864 */
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parents: 59859
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1865 assert(op->ob_refcnt == 0);
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parents: 59859
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1866 ++_PyTrash_delete_nesting;
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1867 (*dealloc)(op);
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1868 --_PyTrash_delete_nesting;
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parents: 59859
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1869 }
11999
c94247b5c355 Christian Tismer's "trashcan" patch:
Guido van Rossum <guido@python.org>
parents: 11969
diff changeset
1870 }
37879
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Thomas Wouters <thomas@python.org>
parents: 36977
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1871
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1872 #ifdef __cplusplus
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1873 }
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1874 #endif