annotate Objects/classobject.c @ 60171:1ff8dd67be82 legacy-trunk

#6647: document that catch_warnings is not thread-safe
author Andrew M. Kuchling <amk@amk.ca>
date Fri, 02 Apr 2010 17:48:23 +0000
parents 7b8ba019cd15
children fd25030223b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 /* Class object implementation */
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3
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4 #include "Python.h"
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5 #include "structmember.h"
6
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6
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a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
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7 /* Free list for method objects to safe malloc/free overhead
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8 * The im_self element is used to chain the elements.
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9 */
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10 static PyMethodObject *free_list;
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11 static int numfree = 0;
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12 #ifndef PyMethod_MAXFREELIST
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13 #define PyMethod_MAXFREELIST 256
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14 #endif
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15
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16 #define TP_DESCR_GET(t) \
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17 (PyType_HasFeature(t, Py_TPFLAGS_HAVE_CLASS) ? (t)->tp_descr_get : NULL)
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18
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d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
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19 /* Forward */
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a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
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20 static PyObject *class_lookup(PyClassObject *, PyObject *,
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21 PyClassObject **);
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22 static PyObject *instance_getattr1(PyInstanceObject *, PyObject *);
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23 static PyObject *instance_getattr2(PyInstanceObject *, PyObject *);
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24
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25 static PyObject *getattrstr, *setattrstr, *delattrstr;
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26
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27
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28 PyObject *
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29 PyClass_New(PyObject *bases, PyObject *dict, PyObject *name)
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30 /* bases is NULL or tuple of classobjects! */
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31 {
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32 PyClassObject *op, *dummy;
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904a4d783a33 When creating a class, set its __module__ attribute to the module
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33 static PyObject *docstr, *modstr, *namestr;
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34 if (docstr == NULL) {
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35 docstr= PyString_InternFromString("__doc__");
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36 if (docstr == NULL)
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37 return NULL;
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38 }
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39 if (modstr == NULL) {
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40 modstr= PyString_InternFromString("__module__");
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41 if (modstr == NULL)
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42 return NULL;
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43 }
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44 if (namestr == NULL) {
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45 namestr= PyString_InternFromString("__name__");
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46 if (namestr == NULL)
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47 return NULL;
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48 }
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49 if (name == NULL || !PyString_Check(name)) {
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50 PyErr_SetString(PyExc_TypeError,
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51 "PyClass_New: name must be a string");
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52 return NULL;
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53 }
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54 if (dict == NULL || !PyDict_Check(dict)) {
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55 PyErr_SetString(PyExc_TypeError,
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56 "PyClass_New: dict must be a dictionary");
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57 return NULL;
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58 }
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59 if (PyDict_GetItem(dict, docstr) == NULL) {
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60 if (PyDict_SetItem(dict, docstr, Py_None) < 0)
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61 return NULL;
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62 }
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63 if (PyDict_GetItem(dict, modstr) == NULL) {
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64 PyObject *globals = PyEval_GetGlobals();
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65 if (globals != NULL) {
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66 PyObject *modname = PyDict_GetItem(globals, namestr);
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67 if (modname != NULL) {
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68 if (PyDict_SetItem(dict, modstr, modname) < 0)
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69 return NULL;
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70 }
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71 }
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72 }
465
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73 if (bases == NULL) {
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74 bases = PyTuple_New(0);
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75 if (bases == NULL)
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76 return NULL;
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77 }
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78 else {
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79 Py_ssize_t i, n;
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560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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80 PyObject *base;
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81 if (!PyTuple_Check(bases)) {
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82 PyErr_SetString(PyExc_TypeError,
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83 "PyClass_New: bases must be a tuple");
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84 return NULL;
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85 }
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560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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86 n = PyTuple_Size(bases);
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87 for (i = 0; i < n; i++) {
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88 base = PyTuple_GET_ITEM(bases, i);
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89 if (!PyClass_Check(base)) {
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90 if (PyCallable_Check(
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91 (PyObject *) base->ob_type))
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1fdf29a88f0e Replace PyObject_CallFunction calls with only object args
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parents: 37920
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92 return PyObject_CallFunctionObjArgs(
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93 (PyObject *) base->ob_type,
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94 name, bases, dict, NULL);
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95 PyErr_SetString(PyExc_TypeError,
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e78b6174bec9 Check that all base classes are indeed class objects, rather than
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96 "PyClass_New: base must be a class");
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97 return NULL;
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98 }
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99 }
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100 Py_INCREF(bases);
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101 }
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Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
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102
a745a2bd48af Move initialization of interned strings to before allocating the
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parents: 39481
diff changeset
103 if (getattrstr == NULL) {
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parents: 47294
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104 getattrstr = PyString_InternFromString("__getattr__");
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parents: 39481
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105 if (getattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
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parents: 39481
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106 goto alloc_error;
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52294af4b663 This reverts r63675 based on the discussion in this thread:
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parents: 47294
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107 setattrstr = PyString_InternFromString("__setattr__");
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108 if (setattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
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parents: 39481
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109 goto alloc_error;
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52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
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110 delattrstr = PyString_InternFromString("__delattr__");
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a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
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111 if (delattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
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112 goto alloc_error;
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
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113 }
a745a2bd48af Move initialization of interned strings to before allocating the
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parents: 39481
diff changeset
114
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
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115 op = PyObject_GC_New(PyClassObject, &PyClass_Type);
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parents: 441
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116 if (op == NULL) {
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117 alloc_error:
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118 Py_DECREF(bases);
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119 return NULL;
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120 }
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parents:
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121 op->cl_bases = bases;
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122 Py_INCREF(dict);
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123 op->cl_dict = dict;
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124 Py_XINCREF(name);
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0598f4f25d04 Add several secret __*__ attributes
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125 op->cl_name = name;
60112
7b8ba019cd15 Issue #8268: Old-style classes (not just instances) now support weak
Antoine Pitrou <solipsis@pitrou.net>
parents: 55798
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126 op->cl_weakreflist = NULL;
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Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
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127
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
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128 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd:
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parents: 3769
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129 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd:
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130 op->cl_delattr = class_lookup(op, delattrstr, &dummy);
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131 Py_XINCREF(op->cl_getattr);
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132 Py_XINCREF(op->cl_setattr);
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133 Py_XINCREF(op->cl_delattr);
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134 _PyObject_GC_TRACK(op);
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135 return (PyObject *) op;
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136 }
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137
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138 PyObject *
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139 PyMethod_Function(PyObject *im)
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140 {
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141 if (!PyMethod_Check(im)) {
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142 PyErr_BadInternalCall();
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143 return NULL;
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144 }
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145 return ((PyMethodObject *)im)->im_func;
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146 }
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147
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148 PyObject *
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149 PyMethod_Self(PyObject *im)
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150 {
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151 if (!PyMethod_Check(im)) {
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152 PyErr_BadInternalCall();
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153 return NULL;
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154 }
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155 return ((PyMethodObject *)im)->im_self;
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156 }
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157
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158 PyObject *
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159 PyMethod_Class(PyObject *im)
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160 {
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161 if (!PyMethod_Check(im)) {
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162 PyErr_BadInternalCall();
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163 return NULL;
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164 }
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165 return ((PyMethodObject *)im)->im_class;
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166 }
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167
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168 PyDoc_STRVAR(class_doc,
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169 "classobj(name, bases, dict)\n\
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170 \n\
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171 Create a class object. The name must be a string; the second argument\n\
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172 a tuple of classes, and the third a dictionary.");
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173
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174 static PyObject *
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175 class_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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176 {
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177 PyObject *name, *bases, *dict;
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178 static char *kwlist[] = {"name", "bases", "dict", 0};
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179
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180 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SOO", kwlist,
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181 &name, &bases, &dict))
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182 return NULL;
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183 return PyClass_New(bases, dict, name);
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184 }
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185
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186 /* Class methods */
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187
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188 static void
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189 class_dealloc(PyClassObject *op)
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190 {
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191 _PyObject_GC_UNTRACK(op);
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192 if (op->cl_weakreflist != NULL)
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193 PyObject_ClearWeakRefs((PyObject *) op);
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194 Py_DECREF(op->cl_bases);
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195 Py_DECREF(op->cl_dict);
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196 Py_XDECREF(op->cl_name);
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197 Py_XDECREF(op->cl_getattr);
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198 Py_XDECREF(op->cl_setattr);
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199 Py_XDECREF(op->cl_delattr);
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200 PyObject_GC_Del(op);
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201 }
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202
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203 static PyObject *
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204 class_lookup(PyClassObject *cp, PyObject *name, PyClassObject **pclass)
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205 {
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206 Py_ssize_t i, n;
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207 PyObject *value = PyDict_GetItem(cp->cl_dict, name);
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208 if (value != NULL) {
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209 *pclass = cp;
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210 return value;
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211 }
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212 n = PyTuple_Size(cp->cl_bases);
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213 for (i = 0; i < n; i++) {
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214 /* XXX What if one of the bases is not a class? */
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215 PyObject *v = class_lookup(
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216 (PyClassObject *)
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217 PyTuple_GetItem(cp->cl_bases, i), name, pclass);
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218 if (v != NULL)
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219 return v;
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220 }
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221 return NULL;
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222 }
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223
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224 static PyObject *
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225 class_getattr(register PyClassObject *op, PyObject *name)
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226 {
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227 register PyObject *v;
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228 register char *sname = PyString_AsString(name);
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229 PyClassObject *klass;
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230 descrgetfunc f;
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231
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232 if (sname[0] == '_' && sname[1] == '_') {
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233 if (strcmp(sname, "__dict__") == 0) {
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234 if (PyEval_GetRestricted()) {
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235 PyErr_SetString(PyExc_RuntimeError,
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236 "class.__dict__ not accessible in restricted mode");
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237 return NULL;
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238 }
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239 Py_INCREF(op->cl_dict);
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240 return op->cl_dict;
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241 }
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242 if (strcmp(sname, "__bases__") == 0) {
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243 Py_INCREF(op->cl_bases);
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244 return op->cl_bases;
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245 }
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246 if (strcmp(sname, "__name__") == 0) {
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247 if (op->cl_name == NULL)
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248 v = Py_None;
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249 else
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250 v = op->cl_name;
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251 Py_INCREF(v);
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252 return v;
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253 }
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254 }
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255 v = class_lookup(op, name, &klass);
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256 if (v == NULL) {
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257 PyErr_Format(PyExc_AttributeError,
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258 "class %.50s has no attribute '%.400s'",
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259 PyString_AS_STRING(op->cl_name), sname);
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260 return NULL;
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261 }
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262 f = TP_DESCR_GET(v->ob_type);
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263 if (f == NULL)
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264 Py_INCREF(v);
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265 else
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266 v = f(v, (PyObject *)NULL, (PyObject *)op);
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267 return v;
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268 }
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269
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270 static void
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271 set_slot(PyObject **slot, PyObject *v)
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272 {
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diff changeset
273 PyObject *temp = *slot;
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diff changeset
274 Py_XINCREF(v);
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diff changeset
275 *slot = v;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
276 Py_XDECREF(temp);
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Guido van Rossum <guido@python.org>
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diff changeset
277 }
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diff changeset
278
8649
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parents: 8496
diff changeset
279 static void
13449
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diff changeset
280 set_attr_slots(PyClassObject *c)
8649
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Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
281 {
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
282 PyClassObject *dummy;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
283
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
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parents: 8496
diff changeset
284 set_slot(&c->cl_getattr, class_lookup(c, getattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
285 set_slot(&c->cl_setattr, class_lookup(c, setattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
286 set_slot(&c->cl_delattr, class_lookup(c, delattrstr, &dummy));
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
287 }
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
288
8464
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diff changeset
289 static char *
13449
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diff changeset
290 set_dict(PyClassObject *c, PyObject *v)
8464
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diff changeset
291 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
292 if (v == NULL || !PyDict_Check(v))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
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diff changeset
293 return "__dict__ must be a dictionary object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
294 set_slot(&c->cl_dict, v);
8649
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
295 set_attr_slots(c);
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
296 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
297 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
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298
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
299 static char *
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diff changeset
300 set_bases(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
301 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
302 Py_ssize_t i, n;
8464
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diff changeset
303
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
304 if (v == NULL || !PyTuple_Check(v))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
305 return "__bases__ must be a tuple object";
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diff changeset
306 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
307 for (i = 0; i < n; i++) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
308 PyObject *x = PyTuple_GET_ITEM(v, i);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
309 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
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diff changeset
310 return "__bases__ items must be classes";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
311 if (PyClass_IsSubclass(x, (PyObject *)c))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
312 return "a __bases__ item causes an inheritance cycle";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
313 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
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diff changeset
314 set_slot(&c->cl_bases, v);
8649
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
315 set_attr_slots(c);
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
316 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
317 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
318
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
319 static char *
13449
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Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
320 set_name(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
321 {
47527
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Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
322 if (v == NULL || !PyString_Check(v))
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
323 return "__name__ must be a string object";
47527
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Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
324 if (strlen(PyString_AS_STRING(v)) != (size_t)PyString_GET_SIZE(v))
8464
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
325 return "__name__ must not contain null bytes";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
326 set_slot(&c->cl_name, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
327 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
328 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
329
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
330 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
331 class_setattr(PyClassObject *op, PyObject *name, PyObject *v)
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
332 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
333 char *sname;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
334 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
335 PyErr_SetString(PyExc_RuntimeError,
2889
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
336 "classes are read-only in restricted mode");
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
337 return -1;
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
338 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
339 sname = PyString_AsString(name);
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
340 if (sname[0] == '_' && sname[1] == '_') {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
341 Py_ssize_t n = PyString_Size(name);
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
342 if (sname[n-1] == '_' && sname[n-2] == '_') {
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
343 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
344 if (strcmp(sname, "__dict__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
345 err = set_dict(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
346 else if (strcmp(sname, "__bases__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
347 err = set_bases(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
348 else if (strcmp(sname, "__name__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
349 err = set_name(op, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
350 else if (strcmp(sname, "__getattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
351 set_slot(&op->cl_getattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
352 else if (strcmp(sname, "__setattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
353 set_slot(&op->cl_setattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
354 else if (strcmp(sname, "__delattr__") == 0)
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
355 set_slot(&op->cl_delattr, v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
356 /* For the last three, we fall through to update the
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
357 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
358 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
359 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
360 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
361 PyErr_SetString(PyExc_TypeError, err);
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
362 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
363 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
364 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
365 }
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
366 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
367 int rv = PyDict_DelItem(op->cl_dict, name);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
368 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
369 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
370 "class %.50s has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
371 PyString_AS_STRING(op->cl_name), sname);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
372 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
373 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
374 else
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
375 return PyDict_SetItem(op->cl_dict, name, v);
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
376 }
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
377
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
378 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
379 class_repr(PyClassObject *op)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
380 {
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
381 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
382 char *name;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
383 if (op->cl_name == NULL || !PyString_Check(op->cl_name))
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
384 name = "?";
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
385 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
386 name = PyString_AsString(op->cl_name);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
387 if (mod == NULL || !PyString_Check(mod))
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
388 return PyString_FromFormat("<class ?.%s at %p>", name, op);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
389 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
390 return PyString_FromFormat("<class %s.%s at %p>",
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
391 PyString_AsString(mod),
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
392 name, op);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
393 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
394
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
395 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
396 class_str(PyClassObject *op)
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
397 {
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
398 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
399 PyObject *name = op->cl_name;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
400 PyObject *res;
37920
ce5585afc20f Fix more ssize_t issues.
Martin v. Löwis <martin@v.loewis.de>
parents: 37756
diff changeset
401 Py_ssize_t m, n;
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
402
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
403 if (name == NULL || !PyString_Check(name))
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
404 return class_repr(op);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
405 if (mod == NULL || !PyString_Check(mod)) {
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
406 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
407 return name;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
408 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
409 m = PyString_GET_SIZE(mod);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
410 n = PyString_GET_SIZE(name);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
411 res = PyString_FromStringAndSize((char *)NULL, m+1+n);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
412 if (res != NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
413 char *s = PyString_AS_STRING(res);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
414 memcpy(s, PyString_AS_STRING(mod), m);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
415 s += m;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
416 *s++ = '.';
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
417 memcpy(s, PyString_AS_STRING(name), n);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
418 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
419 return res;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
420 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
421
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
422 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
423 class_traverse(PyClassObject *o, visitproc visit, void *arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
424 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
425 Py_VISIT(o->cl_bases);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
426 Py_VISIT(o->cl_dict);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
427 Py_VISIT(o->cl_name);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
428 Py_VISIT(o->cl_getattr);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
429 Py_VISIT(o->cl_setattr);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
430 Py_VISIT(o->cl_delattr);
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
431 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
432 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
433
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
434 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
435 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
436 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
437 "classobj",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
438 sizeof(PyClassObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
439 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
440 (destructor)class_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
441 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
442 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
443 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
444 0, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
445 (reprfunc)class_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
446 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
447 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
448 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
449 0, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
450 PyInstance_New, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
451 (reprfunc)class_str, /* tp_str */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
452 (getattrofunc)class_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
453 (setattrofunc)class_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
454 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
455 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
456 class_doc, /* tp_doc */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
457 (traverseproc)class_traverse, /* tp_traverse */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
458 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
459 0, /* tp_richcompare */
60112
7b8ba019cd15 Issue #8268: Old-style classes (not just instances) now support weak
Antoine Pitrou <solipsis@pitrou.net>
parents: 55798
diff changeset
460 offsetof(PyClassObject, cl_weakreflist), /* tp_weaklistoffset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
461 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
462 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
463 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
464 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
465 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
466 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
467 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
468 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
469 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
470 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
471 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
472 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
473 class_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
474 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
475
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
476 int
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
477 PyClass_IsSubclass(PyObject *klass, PyObject *base)
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
478 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
479 Py_ssize_t i, n;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
480 PyClassObject *cp;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
481 if (klass == base)
1293
ac3c80abbf43 * classobject.c: in instance_getattr, don't make a method out of a
Guido van Rossum <guido@python.org>
parents: 1290
diff changeset
482 return 1;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
483 if (PyTuple_Check(base)) {
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
484 n = PyTuple_GET_SIZE(base);
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
485 for (i = 0; i < n; i++) {
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
486 if (PyClass_IsSubclass(klass, PyTuple_GET_ITEM(base, i)))
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
487 return 1;
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
488 }
26622
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly
Walter Dörwald <walter@livinglogic.de>
parents: 26612
diff changeset
489 return 0;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
490 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
491 if (klass == NULL || !PyClass_Check(klass))
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
492 return 0;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
493 cp = (PyClassObject *)klass;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
494 n = PyTuple_Size(cp->cl_bases);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
495 for (i = 0; i < n; i++) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
496 if (PyClass_IsSubclass(PyTuple_GetItem(cp->cl_bases, i), base))
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
497 return 1;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
498 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
499 return 0;
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
500 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
501
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
502
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
503 /* Instance objects */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
504
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
505 PyObject *
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
506 PyInstance_NewRaw(PyObject *klass, PyObject *dict)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
507 {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
508 PyInstanceObject *inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
509
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
510 if (!PyClass_Check(klass)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
511 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
512 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
513 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
514 if (dict == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
515 dict = PyDict_New();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
516 if (dict == NULL)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
517 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
518 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
519 else {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
520 if (!PyDict_Check(dict)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
521 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
522 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
523 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
524 Py_INCREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
525 }
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
526 inst = PyObject_GC_New(PyInstanceObject, &PyInstance_Type);
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
527 if (inst == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
528 Py_DECREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
529 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
530 }
17154
3b8a5bbfd2e5 A small change to the C API for weakly-referencable types: Such types
Fred Drake <fdrake@acm.org>
parents: 16768
diff changeset
531 inst->in_weakreflist = NULL;
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
532 Py_INCREF(klass);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
533 inst->in_class = (PyClassObject *)klass;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
534 inst->in_dict = dict;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
535 _PyObject_GC_TRACK(inst);
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
536 return (PyObject *)inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
537 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
538
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
539 PyObject *
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
540 PyInstance_New(PyObject *klass, PyObject *arg, PyObject *kw)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
541 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
542 register PyInstanceObject *inst;
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
543 PyObject *init;
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
544 static PyObject *initstr;
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
545
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
546 if (initstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
547 initstr = PyString_InternFromString("__init__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
548 if (initstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
549 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
550 }
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
551 inst = (PyInstanceObject *) PyInstance_NewRaw(klass, NULL);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
552 if (inst == NULL)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
553 return NULL;
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
554 init = instance_getattr2(inst, initstr);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
555 if (init == NULL) {
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
556 if (PyErr_Occurred()) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
557 Py_DECREF(inst);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
558 return NULL;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
559 }
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
560 if ((arg != NULL && (!PyTuple_Check(arg) ||
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
561 PyTuple_Size(arg) != 0))
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
562 || (kw != NULL && (!PyDict_Check(kw) ||
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
563 PyDict_Size(kw) != 0))) {
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
564 PyErr_SetString(PyExc_TypeError,
2864
5f951912e995 changes for keyword args to built-in functions and classes
Guido van Rossum <guido@python.org>
parents: 2827
diff changeset
565 "this constructor takes no arguments");
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
566 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
567 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
568 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
569 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
570 else {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
571 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
572 Py_DECREF(init);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
573 if (res == NULL) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
574 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
575 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
576 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
577 else {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
578 if (res != Py_None) {
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
579 PyErr_SetString(PyExc_TypeError,
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
580 "__init__() should return None");
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
581 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
582 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
583 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
584 Py_DECREF(res);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
585 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
586 }
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
587 return (PyObject *)inst;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
588 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
589
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
590 /* Instance methods */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
591
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
592 PyDoc_STRVAR(instance_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
593 "instance(class[, dict])\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
594 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
595 Create an instance without calling its __init__() method.\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
596 The class must be a classic class.\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
597 If present, dict must be a dictionary or None.");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
598
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
599 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
600 instance_new(PyTypeObject* type, PyObject* args, PyObject *kw)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
601 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
602 PyObject *klass;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
603 PyObject *dict = Py_None;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
604
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
605 if (!PyArg_ParseTuple(args, "O!|O:instance",
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
606 &PyClass_Type, &klass, &dict))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
607 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
608
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
609 if (dict == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
610 dict = NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
611 else if (!PyDict_Check(dict)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
612 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
613 "instance() second arg must be dictionary or None");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
614 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
615 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
616 return PyInstance_NewRaw(klass, dict);
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
617 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
618
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
619
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
620 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
621 instance_dealloc(register PyInstanceObject *inst)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
622 {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
623 PyObject *error_type, *error_value, *error_traceback;
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
624 PyObject *del;
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
625 static PyObject *delstr;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
626
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
627 _PyObject_GC_UNTRACK(inst);
20698
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
628 if (inst->in_weakreflist != NULL)
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
629 PyObject_ClearWeakRefs((PyObject *) inst);
16385
1fb6672b20ef PEP 205, Weak References -- initial checkin.
Fred Drake <fdrake@acm.org>
parents: 16356
diff changeset
630
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
631 /* Temporarily resurrect the object. */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
632 assert(inst->ob_type == &PyInstance_Type);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
633 assert(inst->ob_refcnt == 0);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
634 inst->ob_refcnt = 1;
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
635
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
636 /* Save the current exception, if any. */
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
637 PyErr_Fetch(&error_type, &error_value, &error_traceback);
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
638 /* Execute __del__ method, if any. */
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
639 if (delstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
640 delstr = PyString_InternFromString("__del__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
641 if (delstr == NULL)
39481
df9478be0627 Can't return NULL from a void function. If there is a memory error,
Neal Norwitz <nnorwitz@gmail.com>
parents: 39467
diff changeset
642 PyErr_WriteUnraisable((PyObject*)inst);
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
643 }
39481
df9478be0627 Can't return NULL from a void function. If there is a memory error,
Neal Norwitz <nnorwitz@gmail.com>
parents: 39467
diff changeset
644 if (delstr && (del = instance_getattr2(inst, delstr)) != NULL) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
645 PyObject *res = PyEval_CallObject(del, (PyObject *)NULL);
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
646 if (res == NULL)
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14180
diff changeset
647 PyErr_WriteUnraisable(del);
4003
138fa15a1032 Disable support for access statement
Guido van Rossum <guido@python.org>
parents: 3987
diff changeset
648 else
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
649 Py_DECREF(res);
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
650 Py_DECREF(del);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
651 }
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
652 /* Restore the saved exception. */
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
653 PyErr_Restore(error_type, error_value, error_traceback);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
654
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
655 /* Undo the temporary resurrection; can't use DECREF here, it would
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
656 * cause a recursive call.
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
657 */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
658 assert(inst->ob_refcnt > 0);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
659 if (--inst->ob_refcnt == 0) {
44751
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
660
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
661 /* New weakrefs could be created during the finalizer call.
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
662 If this occurs, clear them out without calling their
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
663 finalizers since they might rely on part of the object
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
664 being finalized that has already been destroyed. */
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
665 while (inst->in_weakreflist != NULL) {
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
666 _PyWeakref_ClearRef((PyWeakReference *)
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
667 (inst->in_weakreflist));
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
668 }
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
669
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
670 Py_DECREF(inst->in_class);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
671 Py_XDECREF(inst->in_dict);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
672 PyObject_GC_Del(inst);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
673 }
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
674 else {
37920
ce5585afc20f Fix more ssize_t issues.
Martin v. Löwis <martin@v.loewis.de>
parents: 37756
diff changeset
675 Py_ssize_t refcnt = inst->ob_refcnt;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
676 /* __del__ resurrected it! Make it look like the original
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
677 * Py_DECREF never happened.
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
678 */
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
679 _Py_NewReference((PyObject *)inst);
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
680 inst->ob_refcnt = refcnt;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
681 _PyObject_GC_TRACK(inst);
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
682 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
683 * we need to undo that. */
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
684 _Py_DEC_REFTOTAL;
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
685 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
686 * object chain, so no more to do there.
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
687 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
688 * _Py_NewReference bumped tp_allocs: both of those need to be
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 31003
diff changeset
689 * undone.
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
690 */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
Sjoerd Mullender <sjoerd@acm.org>
parents: 2889
diff changeset
691 #ifdef COUNT_ALLOCS
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
692 --inst->ob_type->tp_frees;
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
693 --inst->ob_type->tp_allocs;
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
694 #endif
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
695 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
697
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
698 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
699 instance_getattr1(register PyInstanceObject *inst, PyObject *name)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
700 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
701 register PyObject *v;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
702 register char *sname = PyString_AsString(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
703 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
704 if (strcmp(sname, "__dict__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
705 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
706 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
707 "instance.__dict__ not accessible in restricted mode");
2105
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
708 return NULL;
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
709 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
710 Py_INCREF(inst->in_dict);
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
711 return inst->in_dict;
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
712 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
713 if (strcmp(sname, "__class__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
714 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
715 return (PyObject *)inst->in_class;
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
716 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
717 }
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
718 v = instance_getattr2(inst, name);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
719 if (v == NULL && !PyErr_Occurred()) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
720 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
721 "%.50s instance has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
722 PyString_AS_STRING(inst->in_class->cl_name), sname);
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
723 }
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
724 return v;
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
725 }
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
726
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
727 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
728 instance_getattr2(register PyInstanceObject *inst, PyObject *name)
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
729 {
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
730 register PyObject *v;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
731 PyClassObject *klass;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
732 descrgetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
733
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
734 v = PyDict_GetItem(inst->in_dict, name);
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
735 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
736 Py_INCREF(v);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
737 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
738 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
739 v = class_lookup(inst->in_class, name, &klass);
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
740 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
741 Py_INCREF(v);
20501
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
742 f = TP_DESCR_GET(v->ob_type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
743 if (f != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
744 PyObject *w = f(v, (PyObject *)inst,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
745 (PyObject *)(inst->in_class));
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
746 Py_DECREF(v);
1351
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
747 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
748 }
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
749 }
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
750 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
751 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
752
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
753 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
754 instance_getattr(register PyInstanceObject *inst, PyObject *name)
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
755 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
756 register PyObject *func, *res;
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
757 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
758 if (res == NULL && (func = inst->in_class->cl_getattr) != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
759 PyObject *args;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
760 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
761 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
762 PyErr_Clear();
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
763 args = PyTuple_Pack(2, inst, name);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
764 if (args == NULL)
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
765 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
766 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
767 Py_DECREF(args);
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
768 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
769 return res;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
770 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
771
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
772 /* See classobject.h comments: this only does dict lookups, and is always
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
773 * safe to call.
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
774 */
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
775 PyObject *
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
776 _PyInstance_Lookup(PyObject *pinst, PyObject *name)
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
777 {
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
778 PyObject *v;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
779 PyClassObject *klass;
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
780 PyInstanceObject *inst; /* pinst cast to the right type */
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
781
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
782 assert(PyInstance_Check(pinst));
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
783 inst = (PyInstanceObject *)pinst;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
784
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
785 assert(PyString_Check(name));
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
786
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
787 v = PyDict_GetItem(inst->in_dict, name);
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
788 if (v == NULL)
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
789 v = class_lookup(inst->in_class, name, &klass);
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
790 return v;
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
791 }
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
792
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
793 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
794 instance_setattr1(PyInstanceObject *inst, PyObject *name, PyObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
795 {
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
796 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
797 int rv = PyDict_DelItem(inst->in_dict, name);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
798 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
799 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
800 "%.50s instance has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
801 PyString_AS_STRING(inst->in_class->cl_name),
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
802 PyString_AS_STRING(name));
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
803 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
804 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
805 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
806 return PyDict_SetItem(inst->in_dict, name, v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
807 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
808
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
809 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
810 instance_setattr(PyInstanceObject *inst, PyObject *name, PyObject *v)
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
811 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
812 PyObject *func, *args, *res, *tmp;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
813 char *sname = PyString_AsString(name);
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
814 if (sname[0] == '_' && sname[1] == '_') {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
815 Py_ssize_t n = PyString_Size(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
816 if (sname[n-1] == '_' && sname[n-2] == '_') {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
817 if (strcmp(sname, "__dict__") == 0) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
818 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
819 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
820 "__dict__ not accessible in restricted mode");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
821 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
822 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
823 if (v == NULL || !PyDict_Check(v)) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
824 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
825 "__dict__ must be set to a dictionary");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
826 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
827 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
828 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
829 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
830 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
831 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
832 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
833 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
834 if (strcmp(sname, "__class__") == 0) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
835 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
836 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
837 "__class__ not accessible in restricted mode");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
838 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
839 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
840 if (v == NULL || !PyClass_Check(v)) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
841 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
842 "__class__ must be set to a class");
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
843 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
844 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
845 tmp = (PyObject *)(inst->in_class);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
846 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
847 inst->in_class = (PyClassObject *)v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
848 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
849 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
850 }
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
851 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
852 }
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
853 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
854 func = inst->in_class->cl_delattr;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
855 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
856 func = inst->in_class->cl_setattr;
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
857 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
858 return instance_setattr1(inst, name, v);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
859 if (v == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
860 args = PyTuple_Pack(2, inst, name);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
861 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
862 args = PyTuple_Pack(3, inst, name, v);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
863 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
864 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
865 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
866 Py_DECREF(args);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
867 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
868 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
869 Py_DECREF(res);
1860
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
870 return 0;
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
871 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
872
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
873 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
874 instance_repr(PyInstanceObject *inst)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
875 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
876 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
877 PyObject *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
878 static PyObject *reprstr;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
879
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
880 if (reprstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
881 reprstr = PyString_InternFromString("__repr__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
882 if (reprstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
883 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
884 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
885 func = instance_getattr(inst, reprstr);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
886 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
887 PyObject *classname, *mod;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
888 char *cname;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
889 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
890 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
891 PyErr_Clear();
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
892 classname = inst->in_class->cl_name;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
893 mod = PyDict_GetItemString(inst->in_class->cl_dict,
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
894 "__module__");
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
895 if (classname != NULL && PyString_Check(classname))
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
896 cname = PyString_AsString(classname);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
897 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
898 cname = "?";
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
899 if (mod == NULL || !PyString_Check(mod))
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
900 return PyString_FromFormat("<?.%s instance at %p>",
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
901 cname, inst);
6727
2662c9fe1b3e Change the default repr() and str() of class instance objects to look
Guido van Rossum <guido@python.org>
parents: 6595
diff changeset
902 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
903 return PyString_FromFormat("<%s.%s instance at %p>",
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
904 PyString_AsString(mod),
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
905 cname, inst);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
906 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
907 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
908 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
909 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
910 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
911
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
912 static PyObject *
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
913 instance_str(PyInstanceObject *inst)
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
914 {
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
915 PyObject *func;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
916 PyObject *res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
917 static PyObject *strstr;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
918
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
919 if (strstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
920 strstr = PyString_InternFromString("__str__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
921 if (strstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
922 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
923 }
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
924 func = instance_getattr(inst, strstr);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
925 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
926 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
927 return NULL;
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
928 PyErr_Clear();
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
929 return instance_repr(inst);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
930 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
931 res = PyEval_CallObject(func, (PyObject *)NULL);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
932 Py_DECREF(func);
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
933 return res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
934 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
935
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
936 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
937 instance_hash(PyInstanceObject *inst)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
938 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
939 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
940 PyObject *res;
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
941 long outcome;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
942 static PyObject *hashstr, *eqstr, *cmpstr;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
943
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
944 if (hashstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
945 hashstr = PyString_InternFromString("__hash__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
946 if (hashstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
947 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
948 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
949 func = instance_getattr(inst, hashstr);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
950 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
951 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
952 return -1;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
953 PyErr_Clear();
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
954 /* If there is no __eq__ and no __cmp__ method, we hash on the
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
955 address. If an __eq__ or __cmp__ method exists, there must
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
956 be a __hash__. */
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
957 if (eqstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
958 eqstr = PyString_InternFromString("__eq__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
959 if (eqstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
960 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
961 }
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
962 func = instance_getattr(inst, eqstr);
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
963 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
964 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
965 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
966 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
967 if (cmpstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
968 cmpstr = PyString_InternFromString("__cmp__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
969 if (cmpstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
970 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
971 }
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
972 func = instance_getattr(inst, cmpstr);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
973 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
974 if (!PyErr_ExceptionMatches(
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
975 PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
976 return -1;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
977 PyErr_Clear();
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
978 return _Py_HashPointer(inst);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
979 }
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
980 }
30437
41c2e1723cdd Fix leak in classobject.c. The leak surfaced on the error exit when
Raymond Hettinger <python@rcn.com>
parents: 28560
diff changeset
981 Py_XDECREF(func);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
982 PyErr_SetString(PyExc_TypeError, "unhashable instance");
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
983 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
984 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
985 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
986 Py_DECREF(func);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
987 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
988 return -1;
39410
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 38806
diff changeset
989 if (PyInt_Check(res) || PyLong_Check(res))
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 38806
diff changeset
990 /* This already converts a -1 result to -2. */
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 38806
diff changeset
991 outcome = res->ob_type->tp_hash(res);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
992 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
993 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
994 "__hash__() should return an int");
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
995 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
996 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
997 Py_DECREF(res);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
998 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
999 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1000
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1001 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1002 instance_traverse(PyInstanceObject *o, visitproc visit, void *arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1003 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
1004 Py_VISIT(o->in_class);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
1005 Py_VISIT(o->in_dict);
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
1006 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1007 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1008
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1009 static PyObject *getitemstr, *setitemstr, *delitemstr, *lenstr;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1010 static PyObject *iterstr, *nextstr;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1011
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1012 static Py_ssize_t
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1013 instance_length(PyInstanceObject *inst)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1014 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1015 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1016 PyObject *res;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1017 Py_ssize_t outcome;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1018
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1019 if (lenstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1020 lenstr = PyString_InternFromString("__len__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1021 if (lenstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1022 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1023 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1024 func = instance_getattr(inst, lenstr);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1025 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1026 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1027 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1028 Py_DECREF(func);
1096
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1029 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1030 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1031 if (PyInt_Check(res)) {
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1032 outcome = PyInt_AsSsize_t(res);
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1033 if (outcome == -1 && PyErr_Occurred()) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1034 Py_DECREF(res);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1035 return -1;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1036 }
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1037 #if SIZEOF_SIZE_T < SIZEOF_INT
35599
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1038 /* Overflow check -- range of PyInt is more than C int */
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1039 if (outcome != (int)outcome) {
35599
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1040 PyErr_SetString(PyExc_OverflowError,
35610
1f236e598ae9 - On 64-bit platforms, when __len__() returns a value that cannot be
Guido van Rossum <guido@python.org>
parents: 35599
diff changeset
1041 "__len__() should return 0 <= outcome < 2**31");
35599
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1042 outcome = -1;
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1043 }
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1044 else
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1045 #endif
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1046 if (outcome < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1047 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1048 "__len__() should return >= 0");
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1049 outcome = -1;
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
1050 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1051 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1052 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1053 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1054 "__len__() should return an int");
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1055 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1056 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1057 Py_DECREF(res);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1058 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1059 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1060
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1061 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1062 instance_subscript(PyInstanceObject *inst, PyObject *key)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1063 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1064 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1065 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1066 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1067
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1068 if (getitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1069 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1070 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1071 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1072 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1073 func = instance_getattr(inst, getitemstr);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1074 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1075 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1076 arg = PyTuple_Pack(1, key);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1077 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1078 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1079 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1080 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1081 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1082 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1083 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1084 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1085 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1086
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1087 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1088 instance_ass_subscript(PyInstanceObject *inst, PyObject *key, PyObject *value)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1089 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1090 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1091 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1092 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1093
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1094 if (value == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1095 if (delitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1096 delitemstr = PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1097 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1098 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1099 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1100 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1101 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1102 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1103 if (setitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1104 setitemstr = PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1105 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1106 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1107 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1108 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1109 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1110 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1111 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1112 if (value == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1113 arg = PyTuple_Pack(1, key);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1114 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1115 arg = PyTuple_Pack(2, key, value);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1116 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1117 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1118 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1119 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1120 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1121 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1122 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1123 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1124 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1125 Py_DECREF(res);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1126 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1127 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1128
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1129 static PyMappingMethods instance_as_mapping = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1130 (lenfunc)instance_length, /* mp_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1131 (binaryfunc)instance_subscript, /* mp_subscript */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1132 (objobjargproc)instance_ass_subscript, /* mp_ass_subscript */
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1133 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1134
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1135 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1136 instance_item(PyInstanceObject *inst, Py_ssize_t i)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1137 {
38409
e7af97e278c4 Simplify calling.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1138 PyObject *func, *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1139
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1140 if (getitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1141 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1142 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1143 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1144 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1145 func = instance_getattr(inst, getitemstr);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1146 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1147 return NULL;
38409
e7af97e278c4 Simplify calling.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1148 res = PyObject_CallFunction(func, "n", i);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1149 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1150 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1151 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1152
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1153 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1154 instance_slice(PyInstanceObject *inst, Py_ssize_t i, Py_ssize_t j)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1155 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1156 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1157 static PyObject *getslicestr;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1158
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1159 if (getslicestr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1160 getslicestr = PyString_InternFromString("__getslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1161 if (getslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1162 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1163 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1164 func = instance_getattr(inst, getslicestr);
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1165
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1166 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1167 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1168 return NULL;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1169 PyErr_Clear();
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1170
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1171 if (getitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1172 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1173 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1174 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1175 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1176 func = instance_getattr(inst, getitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1177 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1178 return NULL;
37165
45dd938b7feb Stop duplicating code and handle slice indices consistently and correctly
Neal Norwitz <nnorwitz@gmail.com>
parents: 37086
diff changeset
1179 arg = Py_BuildValue("(N)", _PySlice_FromIndices(i, j));
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1180 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1181 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1182 if (PyErr_WarnPy3k("in 3.x, __getslice__ has been removed; "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1183 "use __getitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1184 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1185 return NULL;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1186 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1187 arg = Py_BuildValue("(nn)", i, j);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1188 }
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1189
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1190 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1191 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1192 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1193 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1194 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1195 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1196 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1197 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1198 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1199
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1200 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1201 instance_ass_item(PyInstanceObject *inst, Py_ssize_t i, PyObject *item)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1202 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1203 PyObject *func, *arg, *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1204
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1205 if (item == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1206 if (delitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1207 delitemstr = PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1208 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1209 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1210 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1211 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1212 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1213 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1214 if (setitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1215 setitemstr = PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1216 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1217 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1218 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1219 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1220 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1221 if (func == NULL)
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1222 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1223 if (item == NULL)
38485
dcf92dd7408a Correct some value converting strangenesses.
Georg Brandl <georg@python.org>
parents: 38409
diff changeset
1224 arg = PyInt_FromSsize_t(i);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1225 else
38485
dcf92dd7408a Correct some value converting strangenesses.
Georg Brandl <georg@python.org>
parents: 38409
diff changeset
1226 arg = Py_BuildValue("(nO)", i, item);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1227 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1228 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1229 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1230 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1231 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1232 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1233 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1234 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1235 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1236 Py_DECREF(res);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1237 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1238 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1239
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1240 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1241 instance_ass_slice(PyInstanceObject *inst, Py_ssize_t i, Py_ssize_t j, PyObject *value)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1242 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1243 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1244 static PyObject *setslicestr, *delslicestr;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1245
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1246 if (value == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1247 if (delslicestr == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1248 delslicestr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1249 PyString_InternFromString("__delslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1250 if (delslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1251 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1252 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1253 func = instance_getattr(inst, delslicestr);
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1254 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1255 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1256 return -1;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1257 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1258 if (delitemstr == NULL) {
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1259 delitemstr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1260 PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1261 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1262 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1263 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1264 func = instance_getattr(inst, delitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1265 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1266 return -1;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1267
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1268 arg = Py_BuildValue("(N)",
37165
45dd938b7feb Stop duplicating code and handle slice indices consistently and correctly
Neal Norwitz <nnorwitz@gmail.com>
parents: 37086
diff changeset
1269 _PySlice_FromIndices(i, j));
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1270 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1271 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1272 if (PyErr_WarnPy3k("in 3.x, __delslice__ has been "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1273 "removed; use __delitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1274 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1275 return -1;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1276 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1277 arg = Py_BuildValue("(nn)", i, j);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1278 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1279 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1280 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1281 if (setslicestr == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1282 setslicestr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1283 PyString_InternFromString("__setslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1284 if (setslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1285 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1286 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1287 func = instance_getattr(inst, setslicestr);
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1288 if (func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1289 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1290 return -1;
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1291 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1292 if (setitemstr == NULL) {
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1293 setitemstr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1294 PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1295 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1296 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1297 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1298 func = instance_getattr(inst, setitemstr);
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1299 if (func == NULL)
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1300 return -1;
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1301
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1302 arg = Py_BuildValue("(NO)",
37165
45dd938b7feb Stop duplicating code and handle slice indices consistently and correctly
Neal Norwitz <nnorwitz@gmail.com>
parents: 37086
diff changeset
1303 _PySlice_FromIndices(i, j), value);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1304 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1305 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1306 if (PyErr_WarnPy3k("in 3.x, __setslice__ has been "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1307 "removed; use __setitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1308 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1309 return -1;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1310 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1311 arg = Py_BuildValue("(nnO)", i, j, value);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1312 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1313 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1314 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1315 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1316 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1317 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1318 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1319 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1320 Py_DECREF(arg);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1321 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1322 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1323 Py_DECREF(res);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1324 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1325 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1326
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1327 static int
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1328 instance_contains(PyInstanceObject *inst, PyObject *member)
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1329 {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1330 static PyObject *__contains__;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1331 PyObject *func;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1332
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1333 /* Try __contains__ first.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1334 * If that can't be done, try iterator-based searching.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1335 */
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1336
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1337 if(__contains__ == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1338 __contains__ = PyString_InternFromString("__contains__");
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1339 if(__contains__ == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1340 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1341 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1342 func = instance_getattr(inst, __contains__);
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1343 if (func) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1344 PyObject *res;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1345 int ret;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1346 PyObject *arg = PyTuple_Pack(1, member);
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1347 if(arg == NULL) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1348 Py_DECREF(func);
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1349 return -1;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1350 }
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1351 res = PyEval_CallObject(func, arg);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1352 Py_DECREF(func);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1353 Py_DECREF(arg);
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1354 if(res == NULL)
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1355 return -1;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1356 ret = PyObject_IsTrue(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1357 Py_DECREF(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1358 return ret;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1359 }
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1360
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1361 /* Couldn't find __contains__. */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1362 if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1363 Py_ssize_t rc;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1364 /* Assume the failure was simply due to that there is no
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1365 * __contains__ attribute, and try iterating instead.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1366 */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1367 PyErr_Clear();
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1368 rc = _PySequence_IterSearch((PyObject *)inst, member,
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1369 PY_ITERSEARCH_CONTAINS);
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1370 if (rc >= 0)
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1371 return rc > 0;
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1372 }
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1373 return -1;
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1374 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1375
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1376 static PySequenceMethods
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1377 instance_as_sequence = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1378 (lenfunc)instance_length, /* sq_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1379 0, /* sq_concat */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1380 0, /* sq_repeat */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1381 (ssizeargfunc)instance_item, /* sq_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1382 (ssizessizeargfunc)instance_slice, /* sq_slice */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1383 (ssizeobjargproc)instance_ass_item, /* sq_ass_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1384 (ssizessizeobjargproc)instance_ass_slice,/* sq_ass_slice */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1385 (objobjproc)instance_contains, /* sq_contains */
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1386 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1387
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1388 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1389 generic_unary_op(PyInstanceObject *self, PyObject *methodname)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1390 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1391 PyObject *func, *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1392
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1393 if ((func = instance_getattr(self, methodname)) == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1394 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1395 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1396 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1397 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1398 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1399
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1400 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1401 generic_binary_op(PyObject *v, PyObject *w, char *opname)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1402 {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1403 PyObject *result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1404 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1405 PyObject *func = PyObject_GetAttrString(v, opname);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1406 if (func == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1407 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1408 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1409 PyErr_Clear();
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1410 Py_INCREF(Py_NotImplemented);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1411 return Py_NotImplemented;
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
1412 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1413 args = PyTuple_Pack(1, w);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1414 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1415 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1416 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1417 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1418 result = PyEval_CallObject(func, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1419 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1420 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1421 return result;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1422 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1423
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1424
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1425 static PyObject *coerce_obj;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1426
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1427 /* Try one half of a binary operator involving a class instance. */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1428 static PyObject *
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1429 half_binop(PyObject *v, PyObject *w, char *opname, binaryfunc thisfunc,
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1430 int swapped)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1431 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1432 PyObject *args;
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1433 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1434 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1435 PyObject *v1;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1436 PyObject *result;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1437
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1438 if (!PyInstance_Check(v)) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1439 Py_INCREF(Py_NotImplemented);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1440 return Py_NotImplemented;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1441 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1442
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1443 if (coerce_obj == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1444 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1445 if (coerce_obj == NULL)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1446 return NULL;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1447 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1448 coercefunc = PyObject_GetAttr(v, coerce_obj);
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1449 if (coercefunc == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1450 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1451 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1452 PyErr_Clear();
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1453 return generic_binary_op(v, w, opname);
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1454 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1455
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1456 args = PyTuple_Pack(1, w);
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1457 if (args == NULL) {
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1458 Py_DECREF(coercefunc);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1459 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1460 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1461 coerced = PyEval_CallObject(coercefunc, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1462 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1463 Py_DECREF(coercefunc);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1464 if (coerced == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1465 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1466 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1467 if (coerced == Py_None || coerced == Py_NotImplemented) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1468 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1469 return generic_binary_op(v, w, opname);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1470 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1471 if (!PyTuple_Check(coerced) || PyTuple_Size(coerced) != 2) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1472 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1473 PyErr_SetString(PyExc_TypeError,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1474 "coercion should return None or 2-tuple");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1475 return NULL;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1476 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1477 v1 = PyTuple_GetItem(coerced, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1478 w = PyTuple_GetItem(coerced, 1);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1479 if (v1->ob_type == v->ob_type && PyInstance_Check(v)) {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1480 /* prevent recursion if __coerce__ returns self as the first
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1481 * argument */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1482 result = generic_binary_op(v1, w, opname);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1483 } else {
38806
74bf573bff4c If a classic class defined a __coerce__() method that just returned its two
Brett Cannon <bcannon@gmail.com>
parents: 38659
diff changeset
1484 if (Py_EnterRecursiveCall(" after coercion"))
74bf573bff4c If a classic class defined a __coerce__() method that just returned its two
Brett Cannon <bcannon@gmail.com>
parents: 38659
diff changeset
1485 return NULL;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1486 if (swapped)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1487 result = (thisfunc)(w, v1);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1488 else
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1489 result = (thisfunc)(v1, w);
38806
74bf573bff4c If a classic class defined a __coerce__() method that just returned its two
Brett Cannon <bcannon@gmail.com>
parents: 38659
diff changeset
1490 Py_LeaveRecursiveCall();
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1491 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1492 Py_DECREF(coerced);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1493 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1494 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1495
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1496 /* Implement a binary operator involving at least one class instance. */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1497 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1498 do_binop(PyObject *v, PyObject *w, char *opname, char *ropname,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1499 binaryfunc thisfunc)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1500 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1501 PyObject *result = half_binop(v, w, opname, thisfunc, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1502 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1503 Py_DECREF(result);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1504 result = half_binop(w, v, ropname, thisfunc, 1);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1505 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1506 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1507 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1508
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1509 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1510 do_binop_inplace(PyObject *v, PyObject *w, char *iopname, char *opname,
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1511 char *ropname, binaryfunc thisfunc)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1512 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1513 PyObject *result = half_binop(v, w, iopname, thisfunc, 0);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1514 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1515 Py_DECREF(result);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1516 result = do_binop(v, w, opname, ropname, thisfunc);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1517 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1518 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1519 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1520
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1521 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1522 instance_coerce(PyObject **pv, PyObject **pw)
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1523 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1524 PyObject *v = *pv;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1525 PyObject *w = *pw;
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1526 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1527 PyObject *args;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1528 PyObject *coerced;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1529
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1530 if (coerce_obj == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1531 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1532 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1533 return -1;
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1534 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1535 coercefunc = PyObject_GetAttr(v, coerce_obj);
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1536 if (coercefunc == NULL) {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1537 /* No __coerce__ method */
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1538 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1539 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1540 PyErr_Clear();
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1541 return 1;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1542 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1543 /* Has __coerce__ method: call it */
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1544 args = PyTuple_Pack(1, w);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1545 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1546 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1547 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1548 coerced = PyEval_CallObject(coercefunc, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1549 Py_DECREF(args);
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1550 Py_DECREF(coercefunc);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1551 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1552 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1553 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1554 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1555 if (coerced == Py_None || coerced == Py_NotImplemented) {
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1556 /* __coerce__ says "I can't do it" */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1557 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1558 return 1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1559 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1560 if (!PyTuple_Check(coerced) || PyTuple_Size(coerced) != 2) {
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1561 /* __coerce__ return value is malformed */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1562 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1563 PyErr_SetString(PyExc_TypeError,
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1564 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1565 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1566 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1567 /* __coerce__ returned two new values */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1568 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1569 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1570 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1571 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1572 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1573 return 0;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1574 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1575
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1576 #define UNARY(funcname, methodname) \
13678
3177e2829167 ANSIfy functions that were hiding inside a macro.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1577 static PyObject *funcname(PyInstanceObject *self) { \
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1578 static PyObject *o; \
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1579 if (o == NULL) { o = PyString_InternFromString(methodname); \
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1580 if (o == NULL) return NULL; } \
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1581 return generic_unary_op(self, o); \
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1582 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1583
41634
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1584 /* unary function with a fallback */
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1585 #define UNARY_FB(funcname, methodname, funcname_fb) \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1586 static PyObject *funcname(PyInstanceObject *self) { \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1587 static PyObject *o; \
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1588 if (o == NULL) { o = PyString_InternFromString(methodname); \
41634
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1589 if (o == NULL) return NULL; } \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1590 if (PyObject_HasAttr((PyObject*)self, o)) \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1591 return generic_unary_op(self, o); \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1592 else \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1593 return funcname_fb(self); \
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1594 }
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1595
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1596 #define BINARY(f, m, n) \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1597 static PyObject *f(PyObject *v, PyObject *w) { \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1598 return do_binop(v, w, "__" m "__", "__r" m "__", n); \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1599 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1600
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1601 #define BINARY_INPLACE(f, m, n) \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1602 static PyObject *f(PyObject *v, PyObject *w) { \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1603 return do_binop_inplace(v, w, "__i" m "__", "__" m "__", \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1604 "__r" m "__", n); \
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1605 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1606
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1607 UNARY(instance_neg, "__neg__")
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1608 UNARY(instance_pos, "__pos__")
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1609 UNARY(instance_abs, "__abs__")
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1610
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1611 BINARY(instance_or, "or", PyNumber_Or)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1612 BINARY(instance_and, "and", PyNumber_And)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1613 BINARY(instance_xor, "xor", PyNumber_Xor)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1614 BINARY(instance_lshift, "lshift", PyNumber_Lshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1615 BINARY(instance_rshift, "rshift", PyNumber_Rshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1616 BINARY(instance_add, "add", PyNumber_Add)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1617 BINARY(instance_sub, "sub", PyNumber_Subtract)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1618 BINARY(instance_mul, "mul", PyNumber_Multiply)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1619 BINARY(instance_div, "div", PyNumber_Divide)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1620 BINARY(instance_mod, "mod", PyNumber_Remainder)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1621 BINARY(instance_divmod, "divmod", PyNumber_Divmod)
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1622 BINARY(instance_floordiv, "floordiv", PyNumber_FloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1623 BINARY(instance_truediv, "truediv", PyNumber_TrueDivide)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1624
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1625 BINARY_INPLACE(instance_ior, "or", PyNumber_InPlaceOr)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1626 BINARY_INPLACE(instance_ixor, "xor", PyNumber_InPlaceXor)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1627 BINARY_INPLACE(instance_iand, "and", PyNumber_InPlaceAnd)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1628 BINARY_INPLACE(instance_ilshift, "lshift", PyNumber_InPlaceLshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1629 BINARY_INPLACE(instance_irshift, "rshift", PyNumber_InPlaceRshift)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1630 BINARY_INPLACE(instance_iadd, "add", PyNumber_InPlaceAdd)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1631 BINARY_INPLACE(instance_isub, "sub", PyNumber_InPlaceSubtract)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1632 BINARY_INPLACE(instance_imul, "mul", PyNumber_InPlaceMultiply)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1633 BINARY_INPLACE(instance_idiv, "div", PyNumber_InPlaceDivide)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1634 BINARY_INPLACE(instance_imod, "mod", PyNumber_InPlaceRemainder)
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1635 BINARY_INPLACE(instance_ifloordiv, "floordiv", PyNumber_InPlaceFloorDivide)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18934
diff changeset
1636 BINARY_INPLACE(instance_itruediv, "truediv", PyNumber_InPlaceTrueDivide)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1637
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1638 /* Try a 3-way comparison, returning an int; v is an instance. Return:
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1639 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1640 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1641 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1642 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1643 2 if this particular 3-way comparison is not implemented or undefined.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1644 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1645 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1646 half_cmp(PyObject *v, PyObject *w)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1647 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1648 static PyObject *cmp_obj;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1649 PyObject *args;
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1650 PyObject *cmp_func;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1651 PyObject *result;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1652 long l;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1653
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1654 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1655
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1656 if (cmp_obj == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1657 cmp_obj = PyString_InternFromString("__cmp__");
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1658 if (cmp_obj == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1659 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1660 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1661
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1662 cmp_func = PyObject_GetAttr(v, cmp_obj);
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1663 if (cmp_func == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1664 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1665 return -2;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1666 PyErr_Clear();
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1667 return 2;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1668 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1669
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1670 args = PyTuple_Pack(1, w);
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1671 if (args == NULL) {
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1672 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1673 return -2;
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1674 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1675
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1676 result = PyEval_CallObject(cmp_func, args);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1677 Py_DECREF(args);
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1678 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1679
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1680 if (result == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1681 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1682
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1683 if (result == Py_NotImplemented) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1684 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1685 return 2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1686 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1687
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1688 l = PyInt_AsLong(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1689 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1690 if (l == -1 && PyErr_Occurred()) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1691 PyErr_SetString(PyExc_TypeError,
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1692 "comparison did not return an int");
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1693 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1694 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1695
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1696 return l < 0 ? -1 : l > 0 ? 1 : 0;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1697 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1698
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1699 /* Try a 3-way comparison, returning an int; either v or w is an instance.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1700 We first try a coercion. Return:
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1701 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1702 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1703 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1704 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1705 2 if this particular 3-way comparison is not implemented or undefined.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1706 THIS IS ONLY CALLED FROM object.c!
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1707 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1708 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1709 instance_compare(PyObject *v, PyObject *w)
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1710 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1711 int c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1712
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1713 c = PyNumber_CoerceEx(&v, &w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1714 if (c < 0)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1715 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1716 if (c == 0) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1717 /* If neither is now an instance, use regular comparison */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1718 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1719 c = PyObject_Compare(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1720 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1721 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1722 if (PyErr_Occurred())
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1723 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1724 return c < 0 ? -1 : c > 0 ? 1 : 0;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1725 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1726 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1727 else {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1728 /* The coercion didn't do anything.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1729 Treat this the same as returning v and w unchanged. */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1730 Py_INCREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1731 Py_INCREF(w);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1732 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1733
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1734 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1735 c = half_cmp(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1736 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1737 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1738 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1739 return c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1740 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1741 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1742 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1743 c = half_cmp(w, v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1744 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1745 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1746 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1747 if (c >= -1)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1748 c = -c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1749 return c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1750 }
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1751 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1752 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1753 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1754 return 2;
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1755 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1756
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1757 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1758 instance_nonzero(PyInstanceObject *self)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1759 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1760 PyObject *func, *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1761 long outcome;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1762 static PyObject *nonzerostr;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1763
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1764 if (nonzerostr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1765 nonzerostr = PyString_InternFromString("__nonzero__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1766 if (nonzerostr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1767 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1768 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1769 if ((func = instance_getattr(self, nonzerostr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1770 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1771 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1772 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1773 if (lenstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1774 lenstr = PyString_InternFromString("__len__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1775 if (lenstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1776 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1777 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1778 if ((func = instance_getattr(self, lenstr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1779 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
1780 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1781 PyErr_Clear();
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1782 /* Fall back to the default behavior:
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1783 all instances are nonzero */
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1784 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1785 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1786 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1787 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1788 Py_DECREF(func);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1789 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1790 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1791 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1792 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1793 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1794 "__nonzero__ should return an int");
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1795 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1796 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1797 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1798 Py_DECREF(res);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1799 if (outcome < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1800 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1801 "__nonzero__ should return >= 0");
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1802 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1803 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1804 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1805 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1806
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1807 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1808 instance_index(PyInstanceObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1809 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1810 PyObject *func, *res;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1811 static PyObject *indexstr = NULL;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1812
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1813 if (indexstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1814 indexstr = PyString_InternFromString("__index__");
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1815 if (indexstr == NULL)
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1816 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1817 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1818 if ((func = instance_getattr(self, indexstr)) == NULL) {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1819 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1820 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1821 PyErr_Clear();
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1822 PyErr_SetString(PyExc_TypeError,
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1823 "object cannot be interpreted as an index");
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1824 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1825 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1826 res = PyEval_CallObject(func, (PyObject *)NULL);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1827 Py_DECREF(func);
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1828 return res;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1829 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1830
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1831
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1832 UNARY(instance_invert, "__invert__")
45142
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1833 UNARY(_instance_trunc, "__trunc__")
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1834
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1835 static PyObject *
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1836 instance_int(PyInstanceObject *self)
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1837 {
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1838 PyObject *truncated;
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1839 static PyObject *int_name;
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1840 if (int_name == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1841 int_name = PyString_InternFromString("__int__");
45142
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1842 if (int_name == NULL)
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1843 return NULL;
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1844 }
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1845 if (PyObject_HasAttr((PyObject*)self, int_name))
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1846 return generic_unary_op(self, int_name);
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1847
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1848 truncated = _instance_trunc(self);
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1849 /* __trunc__ is specified to return an Integral type, but
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1850 int() needs to return an int. */
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1851 return _PyNumber_ConvertIntegralToInt(
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1852 truncated,
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1853 "__trunc__ returned non-Integral (type %.200s)");
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1854 }
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1855
41634
54179538a387 As per Armin Rigo's suggestion, remove special handing from intobject.c to deal with the peculiarities of classobject's implementation of the number protocol. The nb_long method of classobject now falls back to nb_int if there is no __long__ attribute present.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 40301
diff changeset
1856 UNARY_FB(instance_long, "__long__", instance_int)
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 1031
diff changeset
1857 UNARY(instance_float, "__float__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 1031
diff changeset
1858 UNARY(instance_oct, "__oct__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 1031
diff changeset
1859 UNARY(instance_hex, "__hex__")
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 1031
diff changeset
1860
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1861 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1862 bin_power(PyObject *v, PyObject *w)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1863 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1864 return PyNumber_Power(v, w, Py_None);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1865 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1866
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1867 /* This version is for ternary calls only (z != None) */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1868 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1869 instance_pow(PyObject *v, PyObject *w, PyObject *z)
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1870 {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1871 if (z == Py_None) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1872 return do_binop(v, w, "__pow__", "__rpow__", bin_power);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1873 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1874 else {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1875 PyObject *func;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1876 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1877 PyObject *result;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1878
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1879 /* XXX Doesn't do coercions... */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1880 func = PyObject_GetAttrString(v, "__pow__");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1881 if (func == NULL)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1882 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1883 args = PyTuple_Pack(2, w, z);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1884 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1885 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1886 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1887 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1888 result = PyEval_CallObject(func, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1889 Py_DECREF(func);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1890 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1891 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1892 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1893 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1894
14161
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1895 static PyObject *
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1896 bin_inplace_power(PyObject *v, PyObject *w)
14161
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1897 {
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1898 return PyNumber_InPlacePower(v, w, Py_None);
14161
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1899 }
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1900
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1901
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1902 static PyObject *
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1903 instance_ipow(PyObject *v, PyObject *w, PyObject *z)
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1904 {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1905 if (z == Py_None) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1906 return do_binop_inplace(v, w, "__ipow__", "__pow__",
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1907 "__rpow__", bin_inplace_power);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1908 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1909 else {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1910 /* XXX Doesn't do coercions... */
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1911 PyObject *func;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1912 PyObject *args;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1913 PyObject *result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1914
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1915 func = PyObject_GetAttrString(v, "__ipow__");
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1916 if (func == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1917 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1918 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1919 PyErr_Clear();
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1920 return instance_pow(v, w, z);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1921 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1922 args = PyTuple_Pack(2, w, z);
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1923 if (args == NULL) {
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1924 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1925 return NULL;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1926 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1927 result = PyEval_CallObject(func, args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1928 Py_DECREF(func);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1929 Py_DECREF(args);
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1930 return result;
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1931 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1932 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1933
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1934
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1935 /* Map rich comparison operators to their __xx__ namesakes */
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1936 #define NAME_OPS 6
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1937 static PyObject **name_op = NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1938
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1939 static int
17894
14da5314664d init_name_op(): add (void) to the argument list to make it a valid
Guido van Rossum <guido@python.org>
parents: 17783
diff changeset
1940 init_name_op(void)
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1941 {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1942 int i;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1943 char *_name_op[] = {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1944 "__lt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1945 "__le__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1946 "__eq__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1947 "__ne__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1948 "__gt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1949 "__ge__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1950 };
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1951
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1952 name_op = (PyObject **)malloc(sizeof(PyObject *) * NAME_OPS);
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1953 if (name_op == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1954 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1955 for (i = 0; i < NAME_OPS; ++i) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1956 name_op[i] = PyString_InternFromString(_name_op[i]);
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1957 if (name_op[i] == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1958 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1959 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1960 return 0;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1961 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1962
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1963 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1964 half_richcompare(PyObject *v, PyObject *w, int op)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1965 {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1966 PyObject *method;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1967 PyObject *args;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1968 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1969
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1970 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1971
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1972 if (name_op == NULL) {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1973 if (init_name_op() < 0)
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1974 return NULL;
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1975 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1976 /* If the instance doesn't define an __getattr__ method, use
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1977 instance_getattr2 directly because it will not set an
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1978 exception on failure. */
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1979 if (((PyInstanceObject *)v)->in_class->cl_getattr == NULL)
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1980 method = instance_getattr2((PyInstanceObject *)v,
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1981 name_op[op]);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1982 else
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1983 method = PyObject_GetAttr(v, name_op[op]);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1984 if (method == NULL) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1985 if (PyErr_Occurred()) {
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1986 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1987 return NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1988 PyErr_Clear();
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1989 }
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1990 res = Py_NotImplemented;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1991 Py_INCREF(res);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1992 return res;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1993 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1994
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1995 args = PyTuple_Pack(1, w);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1996 if (args == NULL) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1997 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1998 return NULL;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1999 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2000
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2001 res = PyEval_CallObject(method, args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2002 Py_DECREF(args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2003 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2004
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2005 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2006 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2007
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2008 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2009 instance_richcompare(PyObject *v, PyObject *w, int op)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2010 {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2011 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2012
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2013 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2014 res = half_richcompare(v, w, op);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2015 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2016 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2017 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2018 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2019
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2020 if (PyInstance_Check(w)) {
33541
781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think
Tim Peters <tim.peters@gmail.com>
parents: 32916
diff changeset
2021 res = half_richcompare(w, v, _Py_SwappedOp[op]);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2022 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2023 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2024 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2025 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2026
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2027 Py_INCREF(Py_NotImplemented);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2028 return Py_NotImplemented;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2029 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2030
15722
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
2031
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2032 /* Get the iterator */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2033 static PyObject *
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2034 instance_getiter(PyInstanceObject *self)
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2035 {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2036 PyObject *func;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2037
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2038 if (iterstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2039 iterstr = PyString_InternFromString("__iter__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2040 if (iterstr == NULL)
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2041 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2042 }
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2043 if (getitemstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2044 getitemstr = PyString_InternFromString("__getitem__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2045 if (getitemstr == NULL)
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2046 return NULL;
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2047 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2048
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2049 if ((func = instance_getattr(self, iterstr)) != NULL) {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2050 PyObject *res = PyEval_CallObject(func, (PyObject *)NULL);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2051 Py_DECREF(func);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2052 if (res != NULL && !PyIter_Check(res)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2053 PyErr_Format(PyExc_TypeError,
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2054 "__iter__ returned non-iterator "
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2055 "of type '%.100s'",
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2056 res->ob_type->tp_name);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2057 Py_DECREF(res);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2058 res = NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2059 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2060 return res;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2061 }
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2062 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2063 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2064 PyErr_Clear();
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2065 if ((func = instance_getattr(self, getitemstr)) == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2066 PyErr_SetString(PyExc_TypeError,
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2067 "iteration over non-sequence");
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2068 return NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2069 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2070 Py_DECREF(func);
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2071 return PySeqIter_New((PyObject *)self);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2072 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2073
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2074
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2075 /* Call the iterator's next */
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2076 static PyObject *
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2077 instance_iternext(PyInstanceObject *self)
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2078 {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2079 PyObject *func;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2080
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2081 if (nextstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2082 nextstr = PyString_InternFromString("next");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2083 if (nextstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2084 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2085 }
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2086
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2087 if ((func = instance_getattr(self, nextstr)) != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2088 PyObject *res = PyEval_CallObject(func, (PyObject *)NULL);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2089 Py_DECREF(func);
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2090 if (res != NULL) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2091 return res;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2092 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2093 if (PyErr_ExceptionMatches(PyExc_StopIteration)) {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2094 PyErr_Clear();
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2095 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2096 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2097 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2098 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2099 PyErr_SetString(PyExc_TypeError, "instance has no next() method");
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2100 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2101 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2102
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2103 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2104 instance_call(PyObject *func, PyObject *arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2105 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2106 PyObject *res, *call = PyObject_GetAttrString(func, "__call__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2107 if (call == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2108 PyInstanceObject *inst = (PyInstanceObject*) func;
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2109 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2110 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2111 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2112 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2113 "%.200s instance has no __call__ method",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2114 PyString_AsString(inst->in_class->cl_name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2115 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2116 }
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2117 /* We must check and increment the recursion depth here. Scenario:
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2118 class A:
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2119 pass
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2120 A.__call__ = A() # that's right
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2121 a = A() # ok
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2122 a() # infinite recursion
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2123 This bounces between instance_call() and PyObject_Call() without
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2124 ever hitting eval_frame() (which has the main recursion check). */
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2125 if (Py_EnterRecursiveCall(" in __call__")) {
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2126 res = NULL;
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2127 }
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2128 else {
23839
c8815bd01ff5 Fix for SF bug 532646. This is a little simpler than what Neal
Guido van Rossum <guido@python.org>
parents: 20698
diff changeset
2129 res = PyObject_Call(call, arg, kw);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2130 Py_LeaveRecursiveCall();
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2131 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2132 Py_DECREF(call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2133 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2134 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2135
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2136
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2137 static PyNumberMethods instance_as_number = {
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2138 instance_add, /* nb_add */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2139 instance_sub, /* nb_subtract */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2140 instance_mul, /* nb_multiply */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2141 instance_div, /* nb_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2142 instance_mod, /* nb_remainder */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2143 instance_divmod, /* nb_divmod */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2144 instance_pow, /* nb_power */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2145 (unaryfunc)instance_neg, /* nb_negative */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2146 (unaryfunc)instance_pos, /* nb_positive */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2147 (unaryfunc)instance_abs, /* nb_absolute */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2148 (inquiry)instance_nonzero, /* nb_nonzero */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2149 (unaryfunc)instance_invert, /* nb_invert */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2150 instance_lshift, /* nb_lshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2151 instance_rshift, /* nb_rshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2152 instance_and, /* nb_and */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2153 instance_xor, /* nb_xor */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2154 instance_or, /* nb_or */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2155 instance_coerce, /* nb_coerce */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2156 (unaryfunc)instance_int, /* nb_int */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2157 (unaryfunc)instance_long, /* nb_long */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2158 (unaryfunc)instance_float, /* nb_float */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2159 (unaryfunc)instance_oct, /* nb_oct */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2160 (unaryfunc)instance_hex, /* nb_hex */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2161 instance_iadd, /* nb_inplace_add */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2162 instance_isub, /* nb_inplace_subtract */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2163 instance_imul, /* nb_inplace_multiply */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2164 instance_idiv, /* nb_inplace_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2165 instance_imod, /* nb_inplace_remainder */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2166 instance_ipow, /* nb_inplace_power */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2167 instance_ilshift, /* nb_inplace_lshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2168 instance_irshift, /* nb_inplace_rshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2169 instance_iand, /* nb_inplace_and */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2170 instance_ixor, /* nb_inplace_xor */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2171 instance_ior, /* nb_inplace_or */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2172 instance_floordiv, /* nb_floor_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2173 instance_truediv, /* nb_true_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2174 instance_ifloordiv, /* nb_inplace_floor_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2175 instance_itruediv, /* nb_inplace_true_divide */
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
2176 (unaryfunc)instance_index, /* nb_index */
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
2177 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
2178
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2179 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2180 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2181 0,
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
2182 "instance",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2183 sizeof(PyInstanceObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2184 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2185 (destructor)instance_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2186 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2187 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2188 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2189 instance_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2190 (reprfunc)instance_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2191 &instance_as_number, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2192 &instance_as_sequence, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2193 &instance_as_mapping, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2194 (hashfunc)instance_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2195 instance_call, /* tp_call */
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
2196 (reprfunc)instance_str, /* tp_str */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2197 (getattrofunc)instance_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2198 (setattrofunc)instance_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2199 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2200 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES,/*tp_flags*/
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2201 instance_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2202 (traverseproc)instance_traverse, /* tp_traverse */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2203 0, /* tp_clear */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2204 instance_richcompare, /* tp_richcompare */
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2205 offsetof(PyInstanceObject, in_weakreflist), /* tp_weaklistoffset */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2206 (getiterfunc)instance_getiter, /* tp_iter */
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2207 (iternextfunc)instance_iternext, /* tp_iternext */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2208 0, /* tp_methods */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2209 0, /* tp_members */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2210 0, /* tp_getset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2211 0, /* tp_base */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2212 0, /* tp_dict */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2213 0, /* tp_descr_get */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2214 0, /* tp_descr_set */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2215 0, /* tp_dictoffset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2216 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2217 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2218 instance_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2219 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2220
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2221
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2222 /* Instance method objects are used for two purposes:
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2223 (a) as bound instance methods (returned by instancename.methodname)
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2224 (b) as unbound methods (returned by ClassName.methodname)
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2225 In case (b), im_self is NULL
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2226 */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2227
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2228 PyObject *
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2229 PyMethod_New(PyObject *func, PyObject *self, PyObject *klass)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2230 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2231 register PyMethodObject *im;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2232 im = free_list;
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2233 if (im != NULL) {
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2234 free_list = (PyMethodObject *)(im->im_self);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2235 PyObject_INIT(im, &PyMethod_Type);
45189
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2236 numfree--;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2237 }
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2238 else {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2239 im = PyObject_GC_New(PyMethodObject, &PyMethod_Type);
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2240 if (im == NULL)
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2241 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2242 }
17170
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2243 im->im_weakreflist = NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2244 Py_INCREF(func);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2245 im->im_func = func;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2246 Py_XINCREF(self);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2247 im->im_self = self;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2248 Py_XINCREF(klass);
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2249 im->im_class = klass;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2250 _PyObject_GC_TRACK(im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2251 return (PyObject *)im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2252 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2253
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2254 /* Descriptors for PyMethod attributes */
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2255
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2256 /* im_class, im_func and im_self are stored in the PyMethod object */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2257
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2258 #define OFF(x) offsetof(PyMethodObject, x)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2259
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2260 static PyMemberDef instancemethod_memberlist[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2261 {"im_class", T_OBJECT, OFF(im_class), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2262 "the class associated with a method"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2263 {"im_func", T_OBJECT, OFF(im_func), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2264 "the function (or other callable) implementing a method"},
45833
edcb3542176a Issue 2332: add new attribute names for instance method objects
Neal Norwitz <nnorwitz@gmail.com>
parents: 45341
diff changeset
2265 {"__func__", T_OBJECT, OFF(im_func), READONLY|RESTRICTED,
edcb3542176a Issue 2332: add new attribute names for instance method objects
Neal Norwitz <nnorwitz@gmail.com>
parents: 45341
diff changeset
2266 "the function (or other callable) implementing a method"},
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2267 {"im_self", T_OBJECT, OFF(im_self), READONLY|RESTRICTED,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2268 "the instance to which a method is bound; None for unbound methods"},
45833
edcb3542176a Issue 2332: add new attribute names for instance method objects
Neal Norwitz <nnorwitz@gmail.com>
parents: 45341
diff changeset
2269 {"__self__", T_OBJECT, OFF(im_self), READONLY|RESTRICTED,
edcb3542176a Issue 2332: add new attribute names for instance method objects
Neal Norwitz <nnorwitz@gmail.com>
parents: 45341
diff changeset
2270 "the instance to which a method is bound; None for unbound methods"},
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2271 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2272 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2273
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2274 /* Christian Tismer argued convincingly that method attributes should
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2275 (nearly) always override function attributes.
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2276 The one exception is __doc__; there's a default __doc__ which
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2277 should only be used for the class, not for instances */
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2278
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2279 static PyObject *
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2280 instancemethod_get_doc(PyMethodObject *im, void *context)
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2281 {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2282 static PyObject *docstr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2283 if (docstr == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2284 docstr= PyString_InternFromString("__doc__");
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2285 if (docstr == NULL)
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2286 return NULL;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2287 }
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2288 return PyObject_GetAttr(im->im_func, docstr);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2289 }
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2290
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2291 static PyGetSetDef instancemethod_getset[] = {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2292 {"__doc__", (getter)instancemethod_get_doc, NULL, NULL},
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2293 {0}
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2294 };
15894
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido.
Barry Warsaw <barry@python.org>
parents: 15722
diff changeset
2295
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2296 static PyObject *
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2297 instancemethod_getattro(PyObject *obj, PyObject *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2298 {
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2299 PyMethodObject *im = (PyMethodObject *)obj;
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2300 PyTypeObject *tp = obj->ob_type;
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2301 PyObject *descr = NULL;
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2302
20501
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2303 if (PyType_HasFeature(tp, Py_TPFLAGS_HAVE_CLASS)) {
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2304 if (tp->tp_dict == NULL) {
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2305 if (PyType_Ready(tp) < 0)
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2306 return NULL;
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2307 }
733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
Guido van Rossum <guido@python.org>
parents: 20183
diff changeset
2308 descr = _PyType_Lookup(tp, name);
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2309 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2310
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2311 if (descr != NULL) {
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2312 descrgetfunc f = TP_DESCR_GET(descr->ob_type);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2313 if (f != NULL)
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2314 return f(descr, obj, (PyObject *)obj->ob_type);
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2315 else {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2316 Py_INCREF(descr);
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2317 return descr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2318 }
3549
f66306bc0663 Added __name__ attribute to class instance method objects.
Guido van Rossum <guido@python.org>
parents: 3096
diff changeset
2319 }
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2320
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2321 return PyObject_GetAttr(im->im_func, name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2322 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2323
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2324 PyDoc_STRVAR(instancemethod_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2325 "instancemethod(function, instance, class)\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2326 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2327 Create an instance method object.");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2328
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2329 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2330 instancemethod_new(PyTypeObject* type, PyObject* args, PyObject *kw)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2331 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2332 PyObject *func;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2333 PyObject *self;
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2334 PyObject *classObj = NULL;
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2335
39921
49fbddfb1217 Patch #1567691: super() and new.instancemethod() now don't accept
Georg Brandl <georg@python.org>
parents: 39582
diff changeset
2336 if (!_PyArg_NoKeywords("instancemethod", kw))
49fbddfb1217 Patch #1567691: super() and new.instancemethod() now don't accept
Georg Brandl <georg@python.org>
parents: 39582
diff changeset
2337 return NULL;
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2338 if (!PyArg_UnpackTuple(args, "instancemethod", 2, 3,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2339 &func, &self, &classObj))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2340 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2341 if (!PyCallable_Check(func)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2342 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2343 "first argument must be callable");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2344 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2345 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2346 if (self == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2347 self = NULL;
34850
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2348 if (self == NULL && classObj == NULL) {
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2349 PyErr_SetString(PyExc_TypeError,
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2350 "unbound methods must have non-NULL im_class");
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2351 return NULL;
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2352 }
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2353
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2354 return PyMethod_New(func, self, classObj);
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2355 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2356
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2357 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2358 instancemethod_dealloc(register PyMethodObject *im)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2359 {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2360 _PyObject_GC_UNTRACK(im);
20698
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
2361 if (im->im_weakreflist != NULL)
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods,
Fred Drake <fdrake@acm.org>
parents: 20601
diff changeset
2362 PyObject_ClearWeakRefs((PyObject *)im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2363 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2364 Py_XDECREF(im->im_self);
19332
0613fa57ae6d Instance methods: allow a NULL value for im_class.
Guido van Rossum <guido@python.org>
parents: 19323
diff changeset
2365 Py_XDECREF(im->im_class);
45191
920a7633ae08 Unified naming convention for free lists and their limits. All free lists
Christian Heimes <christian@cheimes.de>
parents: 45189
diff changeset
2366 if (numfree < PyMethod_MAXFREELIST) {
45189
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2367 im->im_self = (PyObject *)free_list;
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2368 free_list = im;
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2369 numfree++;
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2370 }
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2371 else {
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2372 PyObject_GC_Del(im);
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2373 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2374 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2375
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2376 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2377 instancemethod_compare(PyMethodObject *a, PyMethodObject *b)
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2378 {
38659
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2379 int cmp;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2380 cmp = PyObject_Compare(a->im_func, b->im_func);
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2381 if (cmp)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2382 return cmp;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2383
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2384 if (a->im_self == b->im_self)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2385 return 0;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2386 if (a->im_self == NULL || b->im_self == NULL)
2641
f98a2233b337 change comparing instance methods
Guido van Rossum <guido@python.org>
parents: 2239
diff changeset
2387 return (a->im_self < b->im_self) ? -1 : 1;
38659
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2388 else
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2389 return PyObject_Compare(a->im_self, b->im_self);
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2390 }
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2391
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2392 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2393 instancemethod_repr(PyMethodObject *a)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2394 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2395 PyObject *self = a->im_self;
8651
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2396 PyObject *func = a->im_func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2397 PyObject *klass = a->im_class;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2398 PyObject *funcname = NULL, *klassname = NULL, *result = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2399 char *sfuncname = "?", *sklassname = "?";
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2400
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2401 funcname = PyObject_GetAttrString(func, "__name__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2402 if (funcname == NULL) {
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2403 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2404 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2405 PyErr_Clear();
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2406 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2407 else if (!PyString_Check(funcname)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2408 Py_DECREF(funcname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2409 funcname = NULL;
8651
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2410 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2411 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2412 sfuncname = PyString_AS_STRING(funcname);
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2413 if (klass == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2414 klassname = NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2415 else {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2416 klassname = PyObject_GetAttrString(klass, "__name__");
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2417 if (klassname == NULL) {
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2418 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2419 return NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2420 PyErr_Clear();
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2421 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2422 else if (!PyString_Check(klassname)) {
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2423 Py_DECREF(klassname);
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2424 klassname = NULL;
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2425 }
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2426 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2427 sklassname = PyString_AS_STRING(klassname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2428 }
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2429 if (self == NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2430 result = PyString_FromFormat("<unbound method %s.%s>",
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2431 sklassname, sfuncname);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2432 else {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2433 /* XXX Shouldn't use repr() here! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2434 PyObject *selfrepr = PyObject_Repr(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2435 if (selfrepr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2436 goto fail;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2437 if (!PyString_Check(selfrepr)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2438 Py_DECREF(selfrepr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2439 goto fail;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2440 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2441 result = PyString_FromFormat("<bound method %s.%s of %s>",
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19336
diff changeset
2442 sklassname, sfuncname,
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2443 PyString_AS_STRING(selfrepr));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2444 Py_DECREF(selfrepr);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2445 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2446 fail:
11378
dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname
Guido van Rossum <guido@python.org>
parents: 8806
diff changeset
2447 Py_XDECREF(funcname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2448 Py_XDECREF(klassname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2449 return result;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2450 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2451
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2452 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2453 instancemethod_hash(PyMethodObject *a)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2454 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2455 long x, y;
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2456 if (a->im_self == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2457 x = PyObject_Hash(Py_None);
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2458 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2459 x = PyObject_Hash(a->im_self);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2460 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2461 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2462 y = PyObject_Hash(a->im_func);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2463 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2464 return -1;
38659
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2465 x = x ^ y;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2466 if (x == -1)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2467 x = -2;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2468 return x;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2469 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2470
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2471 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2472 instancemethod_traverse(PyMethodObject *im, visitproc visit, void *arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2473 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
2474 Py_VISIT(im->im_func);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
2475 Py_VISIT(im->im_self);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
2476 Py_VISIT(im->im_class);
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
2477 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2478 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2479
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2480 static void
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2481 getclassname(PyObject *klass, char *buf, int bufsize)
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2482 {
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2483 PyObject *name;
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2484
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2485 assert(bufsize > 1);
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2486 strcpy(buf, "?"); /* Default outcome */
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2487 if (klass == NULL)
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2488 return;
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2489 name = PyObject_GetAttrString(klass, "__name__");
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2490 if (name == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2491 /* This function cannot return an exception */
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2492 PyErr_Clear();
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2493 return;
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2494 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2495 if (PyString_Check(name)) {
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2496 strncpy(buf, PyString_AS_STRING(name), bufsize);
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2497 buf[bufsize-1] = '\0';
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2498 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2499 Py_DECREF(name);
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2500 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2501
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2502 static void
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2503 getinstclassname(PyObject *inst, char *buf, int bufsize)
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2504 {
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2505 PyObject *klass;
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2506
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2507 if (inst == NULL) {
24910
5c38457f6b3b getinstclassname(): Squash new compiler wng in assert (comparison of
Tim Peters <tim.peters@gmail.com>
parents: 24901
diff changeset
2508 assert(bufsize > 0 && (size_t)bufsize > strlen("nothing"));
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2509 strcpy(buf, "nothing");
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2510 return;
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2511 }
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2512
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2513 klass = PyObject_GetAttrString(inst, "__class__");
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2514 if (klass == NULL) {
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2515 /* This function cannot return an exception */
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2516 PyErr_Clear();
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2517 klass = (PyObject *)(inst->ob_type);
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2518 Py_INCREF(klass);
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2519 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2520 getclassname(klass, buf, bufsize);
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2521 Py_XDECREF(klass);
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2522 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2523
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2524 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2525 instancemethod_call(PyObject *func, PyObject *arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2526 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2527 PyObject *self = PyMethod_GET_SELF(func);
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2528 PyObject *klass = PyMethod_GET_CLASS(func);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2529 PyObject *result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2530
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2531 func = PyMethod_GET_FUNCTION(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2532 if (self == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2533 /* Unbound methods must be called with an instance of
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2534 the class (or a derived class) as first argument */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2535 int ok;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2536 if (PyTuple_Size(arg) >= 1)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2537 self = PyTuple_GET_ITEM(arg, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2538 if (self == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2539 ok = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2540 else {
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2541 ok = PyObject_IsInstance(self, klass);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2542 if (ok < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2543 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2544 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2545 if (!ok) {
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2546 char clsbuf[256];
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2547 char instbuf[256];
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2548 getclassname(klass, clsbuf, sizeof(clsbuf));
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2549 getinstclassname(self, instbuf, sizeof(instbuf));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2550 PyErr_Format(PyExc_TypeError,
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2551 "unbound method %s%s must be called with "
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2552 "%s instance as first argument "
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2553 "(got %s%s instead)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2554 PyEval_GetFuncName(func),
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2555 PyEval_GetFuncDesc(func),
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2556 clsbuf,
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2557 instbuf,
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2558 self == NULL ? "" : " instance");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2559 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2560 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2561 Py_INCREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2562 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2563 else {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2564 Py_ssize_t argcount = PyTuple_Size(arg);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2565 PyObject *newarg = PyTuple_New(argcount + 1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2566 int i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2567 if (newarg == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2568 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2569 Py_INCREF(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2570 PyTuple_SET_ITEM(newarg, 0, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2571 for (i = 0; i < argcount; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2572 PyObject *v = PyTuple_GET_ITEM(arg, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2573 Py_XINCREF(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2574 PyTuple_SET_ITEM(newarg, i+1, v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2575 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2576 arg = newarg;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2577 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2578 result = PyObject_Call((PyObject *)func, arg, kw);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2579 Py_DECREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2580 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2581 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2582
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2583 static PyObject *
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2584 instancemethod_descr_get(PyObject *meth, PyObject *obj, PyObject *cls)
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2585 {
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
2586 /* Don't rebind an already bound method, or an unbound method
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2587 of a class that's not a base class of cls. */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2588
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2589 if (PyMethod_GET_SELF(meth) != NULL) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2590 /* Already bound */
19323
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2591 Py_INCREF(meth);
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2592 return meth;
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2593 }
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2594 /* No, it is an unbound method */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2595 if (PyMethod_GET_CLASS(meth) != NULL && cls != NULL) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2596 /* Do subclass test. If it fails, return meth unchanged. */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2597 int ok = PyObject_IsSubclass(cls, PyMethod_GET_CLASS(meth));
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2598 if (ok < 0)
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2599 return NULL;
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2600 if (!ok) {
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2601 Py_INCREF(meth);
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2602 return meth;
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2603 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2604 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2605 /* Bind it to obj */
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2606 return PyMethod_New(PyMethod_GET_FUNCTION(meth), obj, cls);
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2607 }
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2608
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2609 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2610 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2611 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2612 "instancemethod",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2613 sizeof(PyMethodObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2614 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2615 (destructor)instancemethod_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2616 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2617 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2618 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2619 (cmpfunc)instancemethod_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2620 (reprfunc)instancemethod_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2621 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2622 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2623 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2624 (hashfunc)instancemethod_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2625 instancemethod_call, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2626 0, /* tp_str */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2627 instancemethod_getattro, /* tp_getattro */
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2628 PyObject_GenericSetAttr, /* tp_setattro */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2629 0, /* tp_as_buffer */
35111
ab83ab27c837 Insert missing flag.
Raymond Hettinger <python@rcn.com>
parents: 34850
diff changeset
2630 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2631 instancemethod_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2632 (traverseproc)instancemethod_traverse, /* tp_traverse */
17170
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2633 0, /* tp_clear */
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2634 0, /* tp_richcompare */
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2635 offsetof(PyMethodObject, im_weakreflist), /* tp_weaklistoffset */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2636 0, /* tp_iter */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2637 0, /* tp_iternext */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2638 0, /* tp_methods */
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2639 instancemethod_memberlist, /* tp_members */
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2640 instancemethod_getset, /* tp_getset */
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2641 0, /* tp_base */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2642 0, /* tp_dict */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2643 instancemethod_descr_get, /* tp_descr_get */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2644 0, /* tp_descr_set */
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2645 0, /* tp_dictoffset */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2646 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2647 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2648 instancemethod_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2649 };
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2650
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2651 /* Clear out the free list */
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2652
45341
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2653 int
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2654 PyMethod_ClearFreeList(void)
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2655 {
45341
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2656 int freelist_size = numfree;
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2657
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2658 while (free_list) {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2659 PyMethodObject *im = free_list;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2660 free_list = (PyMethodObject *)(im->im_self);
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2661 PyObject_GC_Del(im);
45189
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2662 numfree--;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2663 }
45189
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2664 assert(numfree == 0);
45341
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2665 return freelist_size;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2666 }
45341
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2667
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2668 void
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2669 PyMethod_Fini(void)
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2670 {
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2671 (void)PyMethod_ClearFreeList();
65ae68c7aca3 Implemented Martin's suggestion to clear the free lists during the garbage collection of the highest generation.
Christian Heimes <christian@cheimes.de>
parents: 45191
diff changeset
2672 }