annotate Objects/classobject.c @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents 5d2b66e01968
children 7b8ba019cd15
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.
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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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920a7633ae08 Unified naming convention for free lists and their limits. All free lists
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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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733cb268ad2f Protect references to tp_descr_get and tp_dict with the appropriate test:
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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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19 /* Forward */
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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! */
6
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31 {
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32 PyClassObject *op, *dummy;
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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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ca0391a812f8 The cl_bases member of a class object is now never NULL.
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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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7fdc639bc5b4 Merge ssize_t branch.
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79 Py_ssize_t i, n;
19805
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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e78b6174bec9 Check that all base classes are indeed class objects, rather than
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81 if (!PyTuple_Check(bases)) {
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82 PyErr_SetString(PyExc_TypeError,
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e78b6174bec9 Check that all base classes are indeed class objects, rather than
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83 "PyClass_New: bases must be a tuple");
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84 return NULL;
e78b6174bec9 Check that all base classes are indeed class objects, rather than
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parents: 6309
diff changeset
85 }
19805
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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parents: 19751
diff changeset
86 n = PyTuple_Size(bases);
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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diff changeset
87 for (i = 0; i < n; i++) {
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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diff changeset
88 base = PyTuple_GET_ITEM(bases, i);
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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diff changeset
89 if (!PyClass_Check(base)) {
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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diff changeset
90 if (PyCallable_Check(
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
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diff changeset
91 (PyObject *) base->ob_type))
38314
1fdf29a88f0e Replace PyObject_CallFunction calls with only object args
Georg Brandl <georg@python.org>
parents: 37920
diff changeset
92 return PyObject_CallFunctionObjArgs(
19805
560155e75087 PyClass_New(): put the extended Don Beaudry hook back in. When one of
Guido van Rossum <guido@python.org>
parents: 19751
diff changeset
93 (PyObject *) base->ob_type,
38314
1fdf29a88f0e Replace PyObject_CallFunction calls with only object args
Georg Brandl <georg@python.org>
parents: 37920
diff changeset
94 name, bases, dict, NULL);
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09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
95 PyErr_SetString(PyExc_TypeError,
6430
e78b6174bec9 Check that all base classes are indeed class objects, rather than
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diff changeset
96 "PyClass_New: base must be a class");
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diff changeset
97 return NULL;
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parents: 6309
diff changeset
98 }
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99 }
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100 Py_INCREF(bases);
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e78b6174bec9 Check that all base classes are indeed class objects, rather than
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diff changeset
101 }
39582
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
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
diff changeset
104 getattrstr = PyString_InternFromString("__getattr__");
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a745a2bd48af Move initialization of interned strings to before allocating the
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diff changeset
105 if (getattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
106 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>
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diff changeset
107 setattrstr = PyString_InternFromString("__setattr__");
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a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
108 if (setattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
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
diff changeset
110 delattrstr = PyString_InternFromString("__delattr__");
39582
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
111 if (delattrstr == NULL)
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
112 goto alloc_error;
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
113 }
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
114
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
115 op = PyObject_GC_New(PyClassObject, &PyClass_Type);
465
ca0391a812f8 The cl_bases member of a class object is now never NULL.
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parents: 441
diff changeset
116 if (op == NULL) {
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parents: 39481
diff changeset
117 alloc_error:
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118 Py_DECREF(bases);
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fc6fcd7df4f7 Initial revision
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parents:
diff changeset
119 return NULL;
465
ca0391a812f8 The cl_bases member of a class object is now never NULL.
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parents: 441
diff changeset
120 }
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
121 op->cl_bases = bases;
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122 Py_INCREF(dict);
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4d292c7857d4 Access checks now work, at least for instance data (not for methods
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parents: 1288
diff changeset
123 op->cl_dict = dict;
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124 Py_XINCREF(name);
386
0598f4f25d04 Add several secret __*__ attributes
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parents: 224
diff changeset
125 op->cl_name = name;
39582
a745a2bd48af Move initialization of interned strings to before allocating the
Neal Norwitz <nnorwitz@gmail.com>
parents: 39481
diff changeset
126
3987
6fbc5c665812 Optimizations by Sjoerd:
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parents: 3769
diff changeset
127 op->cl_getattr = class_lookup(op, getattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd:
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parents: 3769
diff changeset
128 op->cl_setattr = class_lookup(op, setattrstr, &dummy);
6fbc5c665812 Optimizations by Sjoerd:
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parents: 3769
diff changeset
129 op->cl_delattr = class_lookup(op, delattrstr, &dummy);
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130 Py_XINCREF(op->cl_getattr);
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131 Py_XINCREF(op->cl_setattr);
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132 Py_XINCREF(op->cl_delattr);
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
133 _PyObject_GC_TRACK(op);
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134 return (PyObject *) op;
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135 }
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136
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137 PyObject *
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138 PyMethod_Function(PyObject *im)
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139 {
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140 if (!PyMethod_Check(im)) {
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141 PyErr_BadInternalCall();
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142 return NULL;
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143 }
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144 return ((PyMethodObject *)im)->im_func;
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145 }
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146
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147 PyObject *
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148 PyMethod_Self(PyObject *im)
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149 {
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150 if (!PyMethod_Check(im)) {
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151 PyErr_BadInternalCall();
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152 return NULL;
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153 }
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154 return ((PyMethodObject *)im)->im_self;
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155 }
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156
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157 PyObject *
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158 PyMethod_Class(PyObject *im)
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159 {
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160 if (!PyMethod_Check(im)) {
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161 PyErr_BadInternalCall();
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162 return NULL;
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163 }
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164 return ((PyMethodObject *)im)->im_class;
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165 }
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166
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167 PyDoc_STRVAR(class_doc,
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168 "classobj(name, bases, dict)\n\
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169 \n\
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170 Create a class object. The name must be a string; the second argument\n\
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171 a tuple of classes, and the third a dictionary.");
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172
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173 static PyObject *
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174 class_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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175 {
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176 PyObject *name, *bases, *dict;
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177 static char *kwlist[] = {"name", "bases", "dict", 0};
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178
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179 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SOO", kwlist,
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180 &name, &bases, &dict))
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181 return NULL;
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182 return PyClass_New(bases, dict, name);
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183 }
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184
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185 /* Class methods */
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186
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187 static void
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188 class_dealloc(PyClassObject *op)
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189 {
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190 _PyObject_GC_UNTRACK(op);
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191 Py_DECREF(op->cl_bases);
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192 Py_DECREF(op->cl_dict);
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193 Py_XDECREF(op->cl_name);
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194 Py_XDECREF(op->cl_getattr);
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195 Py_XDECREF(op->cl_setattr);
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196 Py_XDECREF(op->cl_delattr);
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197 PyObject_GC_Del(op);
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198 }
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199
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200 static PyObject *
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201 class_lookup(PyClassObject *cp, PyObject *name, PyClassObject **pclass)
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202 {
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203 Py_ssize_t i, n;
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204 PyObject *value = PyDict_GetItem(cp->cl_dict, name);
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205 if (value != NULL) {
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206 *pclass = cp;
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207 return value;
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208 }
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209 n = PyTuple_Size(cp->cl_bases);
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210 for (i = 0; i < n; i++) {
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211 /* XXX What if one of the bases is not a class? */
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212 PyObject *v = class_lookup(
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213 (PyClassObject *)
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214 PyTuple_GetItem(cp->cl_bases, i), name, pclass);
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215 if (v != NULL)
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216 return v;
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217 }
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218 return NULL;
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219 }
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220
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221 static PyObject *
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222 class_getattr(register PyClassObject *op, PyObject *name)
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223 {
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224 register PyObject *v;
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225 register char *sname = PyString_AsString(name);
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226 PyClassObject *klass;
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227 descrgetfunc f;
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228
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229 if (sname[0] == '_' && sname[1] == '_') {
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230 if (strcmp(sname, "__dict__") == 0) {
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231 if (PyEval_GetRestricted()) {
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232 PyErr_SetString(PyExc_RuntimeError,
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233 "class.__dict__ not accessible in restricted mode");
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234 return NULL;
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235 }
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236 Py_INCREF(op->cl_dict);
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237 return op->cl_dict;
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238 }
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239 if (strcmp(sname, "__bases__") == 0) {
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240 Py_INCREF(op->cl_bases);
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241 return op->cl_bases;
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242 }
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243 if (strcmp(sname, "__name__") == 0) {
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244 if (op->cl_name == NULL)
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245 v = Py_None;
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246 else
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247 v = op->cl_name;
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248 Py_INCREF(v);
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249 return v;
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250 }
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251 }
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252 v = class_lookup(op, name, &klass);
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253 if (v == NULL) {
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254 PyErr_Format(PyExc_AttributeError,
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255 "class %.50s has no attribute '%.400s'",
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256 PyString_AS_STRING(op->cl_name), sname);
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257 return NULL;
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258 }
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259 f = TP_DESCR_GET(v->ob_type);
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260 if (f == NULL)
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261 Py_INCREF(v);
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262 else
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263 v = f(v, (PyObject *)NULL, (PyObject *)op);
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264 return v;
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265 }
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266
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267 static void
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268 set_slot(PyObject **slot, PyObject *v)
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269 {
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270 PyObject *temp = *slot;
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271 Py_XINCREF(v);
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272 *slot = v;
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diff changeset
273 Py_XDECREF(temp);
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diff changeset
274 }
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diff changeset
275
8649
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parents: 8496
diff changeset
276 static void
13449
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diff changeset
277 set_attr_slots(PyClassObject *c)
8649
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Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
278 {
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
279 PyClassObject *dummy;
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
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parents: 8496
diff changeset
280
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
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parents: 8496
diff changeset
281 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
282 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
283 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
284 }
9af95d7270df Recompute the special getattr/setattr/delattr cache slots after
Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
285
8464
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diff changeset
286 static char *
13449
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diff changeset
287 set_dict(PyClassObject *c, PyObject *v)
8464
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diff changeset
288 {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
289 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
290 return "__dict__ must be a dictionary object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
291 set_slot(&c->cl_dict, v);
8649
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parents: 8496
diff changeset
292 set_attr_slots(c);
8464
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diff changeset
293 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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parents: 8438
diff changeset
294 }
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parents: 8438
diff changeset
295
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
296 static char *
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297 set_bases(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
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298 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
299 Py_ssize_t i, n;
8464
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300
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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301 if (v == NULL || !PyTuple_Check(v))
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302 return "__bases__ must be a tuple object";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
303 n = PyTuple_Size(v);
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
304 for (i = 0; i < n; i++) {
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diff changeset
305 PyObject *x = PyTuple_GET_ITEM(v, i);
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parents: 8438
diff changeset
306 if (!PyClass_Check(x))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
307 return "__bases__ items must be classes";
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parents: 8438
diff changeset
308 if (PyClass_IsSubclass(x, (PyObject *)c))
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
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diff changeset
309 return "a __bases__ item causes an inheritance cycle";
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
310 }
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diff changeset
311 set_slot(&c->cl_bases, v);
8649
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Guido van Rossum <guido@python.org>
parents: 8496
diff changeset
312 set_attr_slots(c);
8464
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Guido van Rossum <guido@python.org>
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diff changeset
313 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
314 }
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diff changeset
315
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
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diff changeset
316 static char *
13449
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Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
317 set_name(PyClassObject *c, PyObject *v)
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
318 {
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Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
319 if (v == NULL || !PyString_Check(v))
8464
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Guido van Rossum <guido@python.org>
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diff changeset
320 return "__name__ must be a string object";
47527
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Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
321 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
322 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
323 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
324 return "";
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
325 }
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
326
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
327 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
328 class_setattr(PyClassObject *op, PyObject *name, PyObject *v)
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
329 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
330 char *sname;
5396
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parents: 5008
diff changeset
331 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
332 PyErr_SetString(PyExc_RuntimeError,
2889
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
333 "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
334 return -1;
e513f0d65368 class objects are read-only in restricted mode
Guido van Rossum <guido@python.org>
parents: 2864
diff changeset
335 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
336 sname = PyString_AsString(name);
6155
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Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
337 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
338 Py_ssize_t n = PyString_Size(name);
6155
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Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
339 if (sname[n-1] == '_' && sname[n-2] == '_') {
8464
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Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
340 char *err = NULL;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
341 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
342 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
343 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
344 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
345 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
346 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
347 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
348 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
349 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
350 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
351 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
352 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
353 /* 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
354 dictionary as well. */
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
355 if (err != NULL) {
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
356 if (*err == '\0')
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
357 return 0;
7160e529e9a1 Allow assignments to special class attributes -- with typechecks, and
Guido van Rossum <guido@python.org>
parents: 8438
diff changeset
358 PyErr_SetString(PyExc_TypeError, err);
6155
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Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
359 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
360 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
361 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
362 }
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
363 if (v == NULL) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
364 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
365 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
366 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
367 "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
368 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
369 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
370 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
371 else
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
372 return PyDict_SetItem(op->cl_dict, name, v);
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
373 }
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
374
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
375 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
376 class_repr(PyClassObject *op)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
377 {
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
378 PyObject *mod = PyDict_GetItemString(op->cl_dict, "__module__");
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
379 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
380 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
381 name = "?";
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
382 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
383 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
384 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
385 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
386 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
387 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
388 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
389 name, op);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
390 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
391
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
392 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
393 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
394 {
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
395 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
396 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
397 PyObject *res;
37920
ce5585afc20f Fix more ssize_t issues.
Martin v. Löwis <martin@v.loewis.de>
parents: 37756
diff changeset
398 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
399
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
400 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
401 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
402 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
403 Py_INCREF(name);
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
404 return name;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
405 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
406 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
407 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
408 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
409 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
410 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
411 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
412 s += m;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
413 *s++ = '.';
47527
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(name), n);
6502
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
415 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
416 return res;
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
417 }
2a2e5b731d1c Write a str() function for class objects that returns
Guido van Rossum <guido@python.org>
parents: 6430
diff changeset
418
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
419 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
420 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
421 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
422 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
423 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
424 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
425 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
426 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
427 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
428 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
429 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
430
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
431 PyTypeObject PyClass_Type = {
d1447950fa04 Quickly renamed the last directory.
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parents: 5008
diff changeset
432 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
433 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
434 "classobj",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
435 sizeof(PyClassObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
436 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
437 (destructor)class_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
438 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
439 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
440 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
441 0, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
442 (reprfunc)class_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
443 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
444 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
445 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
446 0, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
447 PyInstance_New, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
448 (reprfunc)class_str, /* tp_str */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
449 (getattrofunc)class_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
450 (setattrofunc)class_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
451 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
452 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
453 class_doc, /* tp_doc */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
454 (traverseproc)class_traverse, /* tp_traverse */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
455 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
456 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
457 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
458 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
459 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
460 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
461 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
462 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
463 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
464 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
465 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
466 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
467 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
468 0, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
469 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
470 class_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
471 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
472
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
473 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
474 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
475 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
476 Py_ssize_t i, n;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
477 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
478 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
479 return 1;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
480 if (PyTuple_Check(base)) {
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
481 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
482 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
483 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
484 return 1;
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
485 }
26622
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly
Walter Dörwald <walter@livinglogic.de>
parents: 26612
diff changeset
486 return 0;
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25941
diff changeset
487 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
488 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
489 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
490 cp = (PyClassObject *)klass;
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
491 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
492 for (i = 0; i < n; i++) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
493 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
494 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
495 }
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
496 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
497 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
498
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
499
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
500 /* Instance objects */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
501
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
502 PyObject *
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
503 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
504 {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
505 PyInstanceObject *inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
506
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
507 if (!PyClass_Check(klass)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
508 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
509 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
510 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
511 if (dict == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
512 dict = PyDict_New();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
513 if (dict == NULL)
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
514 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
515 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
516 else {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
517 if (!PyDict_Check(dict)) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
518 PyErr_BadInternalCall();
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
519 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
520 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
521 Py_INCREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
522 }
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
523 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
524 if (inst == NULL) {
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
525 Py_DECREF(dict);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
526 return NULL;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
527 }
17154
3b8a5bbfd2e5 A small change to the C API for weakly-referencable types: Such types
Fred Drake <fdrake@acm.org>
parents: 16768
diff changeset
528 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
529 Py_INCREF(klass);
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
530 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
531 inst->in_dict = dict;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
532 _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
533 return (PyObject *)inst;
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
534 }
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
535
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
536 PyObject *
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
537 PyInstance_New(PyObject *klass, PyObject *arg, PyObject *kw)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
538 {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
539 register PyInstanceObject *inst;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
540 PyObject *init;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
541 static PyObject *initstr;
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
542
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
543 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
544 initstr = PyString_InternFromString("__init__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
545 if (initstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
546 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
547 }
16314
24e457ba1f92 Re-factored PyInstance_New() into PyInstance_New() and PyInstance_NewRaw().
Fred Drake <fdrake@acm.org>
parents: 16004
diff changeset
548 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
549 if (inst == NULL)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
550 return NULL;
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
551 init = instance_getattr2(inst, initstr);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
552 if (init == NULL) {
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
553 if (PyErr_Occurred()) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
554 Py_DECREF(inst);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
555 return NULL;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
556 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
557 if ((arg != NULL && (!PyTuple_Check(arg) ||
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
558 PyTuple_Size(arg) != 0))
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
559 || (kw != NULL && (!PyDict_Check(kw) ||
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
560 PyDict_Size(kw) != 0))) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
561 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
562 "this constructor takes no arguments");
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
563 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
564 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
565 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
566 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
567 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
568 PyObject *res = PyEval_CallObjectWithKeywords(init, arg, kw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
569 Py_DECREF(init);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
570 if (res == NULL) {
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
571 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
572 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
573 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
574 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
575 if (res != Py_None) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
576 PyErr_SetString(PyExc_TypeError,
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
577 "__init__() should return None");
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
578 Py_DECREF(inst);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
579 inst = NULL;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
580 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
581 Py_DECREF(res);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
582 }
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 return (PyObject *)inst;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
585 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
586
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
587 /* Instance methods */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
588
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
589 PyDoc_STRVAR(instance_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
590 "instance(class[, dict])\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
591 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
592 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
593 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
594 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
595
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
596 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
597 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
598 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
599 PyObject *klass;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
600 PyObject *dict = Py_None;
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 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
603 &PyClass_Type, &klass, &dict))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
604 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
605
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
606 if (dict == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
607 dict = NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
608 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
609 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
610 "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
611 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
612 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
613 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
614 }
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
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
617 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
618 instance_dealloc(register PyInstanceObject *inst)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
619 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
620 PyObject *error_type, *error_value, *error_traceback;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
621 PyObject *del;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
622 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
623
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
624 _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
625 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
626 PyObject_ClearWeakRefs((PyObject *) inst);
16385
1fb6672b20ef PEP 205, Weak References -- initial checkin.
Fred Drake <fdrake@acm.org>
parents: 16356
diff changeset
627
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
628 /* 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
629 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
630 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
631 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
632
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
633 /* Save the current exception, if any. */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
634 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
635 /* 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
636 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
637 delstr = PyString_InternFromString("__del__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
638 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
639 PyErr_WriteUnraisable((PyObject*)inst);
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
640 }
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
641 if (delstr && (del = instance_getattr2(inst, delstr)) != NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
642 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
643 if (res == NULL)
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14180
diff changeset
644 PyErr_WriteUnraisable(del);
4003
138fa15a1032 Disable support for access statement
Guido van Rossum <guido@python.org>
parents: 3987
diff changeset
645 else
5396
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Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
646 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
647 Py_DECREF(del);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
648 }
14653
3d6fe64bcd21 Fix for SF bug 110688: Instance deallocation neglected to account for
Tim Peters <tim.peters@gmail.com>
parents: 14605
diff changeset
649 /* Restore the saved exception. */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
650 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
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 /* 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
653 * 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
654 */
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
655 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
656 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
657
58303ed72ba1 Fix an edge case whereby the __del__() method of a classic class could
Guido van Rossum <guido@python.org>
parents: 41634
diff changeset
658 /* 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
659 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
660 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
661 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
662 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
663 _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
664 (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
665 }
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
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
667 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
668 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
669 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
670 }
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
671 else {
37920
ce5585afc20f Fix more ssize_t issues.
Martin v. Löwis <martin@v.loewis.de>
parents: 37756
diff changeset
672 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
673 /* __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
674 * 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
675 */
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
676 _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
677 inst->ob_refcnt = refcnt;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
678 _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
679 /* 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
680 * 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
681 _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
682 /* 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
683 * 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
684 * 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
685 * _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
686 * undone.
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
687 */
3022
c5d852735e7f Fixed calling of __del__ method with TRACE_REFS defined.
Sjoerd Mullender <sjoerd@acm.org>
parents: 2889
diff changeset
688 #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
689 --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
690 --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
691 #endif
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
692 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
693 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
694
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
695 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
696 instance_getattr1(register PyInstanceObject *inst, PyObject *name)
6
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 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
699 register char *sname = PyString_AsString(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
700 if (sname[0] == '_' && sname[1] == '_') {
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
701 if (strcmp(sname, "__dict__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
702 if (PyEval_GetRestricted()) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
703 PyErr_SetString(PyExc_RuntimeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
704 "instance.__dict__ not accessible in restricted mode");
2105
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
705 return NULL;
ea7b2bf0b521 add restrictions in restricted mode
Guido van Rossum <guido@python.org>
parents: 2084
diff changeset
706 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
707 Py_INCREF(inst->in_dict);
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
708 return inst->in_dict;
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
709 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
710 if (strcmp(sname, "__class__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
711 Py_INCREF(inst->in_class);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
712 return (PyObject *)inst->in_class;
1356
043da19302ef Several optimizations and speed improvements.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1351
diff changeset
713 }
386
0598f4f25d04 Add several secret __*__ attributes
Guido van Rossum <guido@python.org>
parents: 224
diff changeset
714 }
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
715 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
716 if (v == NULL && !PyErr_Occurred()) {
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
717 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
718 "%.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
719 PyString_AS_STRING(inst->in_class->cl_name), sname);
12504
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
720 }
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
721 return v;
44e521a93648 potentially useless optimization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12321
diff changeset
722 }
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 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
725 instance_getattr2(register PyInstanceObject *inst, PyObject *name)
12504
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 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
728 PyClassObject *klass;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
729 descrgetfunc f;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
730
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
731 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
732 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
733 Py_INCREF(v);
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
734 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
735 }
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
736 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
737 if (v != NULL) {
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
738 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
739 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
740 if (f != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
741 PyObject *w = f(v, (PyObject *)inst,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
742 (PyObject *)(inst->in_class));
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
743 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
744 v = w;
e149c77d173c Makefile, import.c: Lance's alternative module search (allow .pyc file
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
745 }
1290
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
746 }
7971fecbf28e * Lots of small changes related to access.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
747 return v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
748 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
749
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
750 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
751 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
752 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
753 register PyObject *func, *res;
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
754 res = instance_getattr1(inst, name);
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
755 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
756 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
757 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
758 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
759 PyErr_Clear();
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
760 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
761 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
762 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
763 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
764 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
765 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
766 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
767 }
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
28519
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
769 /* 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
770 * 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
771 */
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
772 PyObject *
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
773 _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
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 *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
776 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
777 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
778
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
779 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
780 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
781
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
782 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
783
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
784 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
785 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
786 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
787 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
788 }
2a3095a415b1 New private API function _PyInstance_Lookup. gc will use this to figure
Tim Peters <tim.peters@gmail.com>
parents: 27817
diff changeset
789
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
790 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
791 instance_setattr1(PyInstanceObject *inst, PyObject *name, PyObject *v)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
792 {
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
793 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
794 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
795 if (rv < 0)
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
796 PyErr_Format(PyExc_AttributeError,
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 15010
diff changeset
797 "%.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
798 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
799 PyString_AS_STRING(name));
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
800 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 1021
diff changeset
801 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
802 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
803 return PyDict_SetItem(inst->in_dict, name, v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
804 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
805
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
806 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
807 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
808 {
6155
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
809 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
810 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
811 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
812 Py_ssize_t n = PyString_Size(name);
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
813 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
814 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
815 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
816 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
817 "__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
818 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
819 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
820 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
821 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
822 "__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
823 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
824 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
825 tmp = inst->in_dict;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
826 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
827 inst->in_dict = v;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
828 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
829 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
830 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
831 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
832 if (PyEval_GetRestricted()) {
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
833 PyErr_SetString(PyExc_RuntimeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
834 "__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
835 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
836 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
837 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
838 PyErr_SetString(PyExc_TypeError,
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
839 "__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
840 return -1;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
841 }
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
842 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
843 Py_INCREF(v);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
844 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
845 Py_DECREF(tmp);
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
846 return 0;
47867006f076 Allow assignments to instance.__dict__ and instance.__class__. The
Guido van Rossum <guido@python.org>
parents: 5932
diff changeset
847 }
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
848 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
849 }
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
850 if (v == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
851 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
852 else
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
853 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
854 if (func == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
855 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
856 if (v == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
857 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
858 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
859 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
860 if (args == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
861 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
862 res = PyEval_CallObject(func, args);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
863 Py_DECREF(args);
1861
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
864 if (res == NULL)
d405e3e8ffd3 Yet another version (by me) of __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1860
diff changeset
865 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
866 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
867 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
868 }
78898b04a65b Mods (really diffs to 2.29) by Michael Scharf for alternative __getattr__ etc.
Guido van Rossum <guido@python.org>
parents: 1781
diff changeset
869
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
870 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
871 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
872 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
873 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
874 PyObject *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
875 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
876
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
877 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
878 reprstr = PyString_InternFromString("__repr__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
879 if (reprstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
880 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
881 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
882 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
883 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
884 PyObject *classname, *mod;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
885 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
886 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
887 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
888 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
889 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
890 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
891 "__module__");
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
892 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
893 cname = PyString_AsString(classname);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
894 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
895 cname = "?";
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
896 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
897 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
898 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
899 else
47527
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.%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
901 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
902 cname, inst);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
903 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
904 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
905 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
906 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
907 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
908
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
909 static PyObject *
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
910 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
911 {
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
912 PyObject *func;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
913 PyObject *res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
914 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
915
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
916 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
917 strstr = PyString_InternFromString("__str__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
918 if (strstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
919 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
920 }
17643
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
921 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
922 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
923 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
924 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
925 PyErr_Clear();
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
926 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
927 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
928 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
929 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
930 return res;
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
931 }
56c5445ec835 Well darnit! The innocuous fix I made to PyObject_Print() caused
Guido van Rossum <guido@python.org>
parents: 17617
diff changeset
932
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
933 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
934 instance_hash(PyInstanceObject *inst)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
935 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
936 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
937 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
938 long outcome;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
939 static PyObject *hashstr, *eqstr, *cmpstr;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
940
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
941 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
942 hashstr = PyString_InternFromString("__hash__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
943 if (hashstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
944 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
945 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
946 func = instance_getattr(inst, hashstr);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
947 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
948 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
949 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
950 PyErr_Clear();
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
951 /* 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
952 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
953 be a __hash__. */
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
954 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
955 eqstr = PyString_InternFromString("__eq__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
956 if (eqstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
957 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
958 }
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
959 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
960 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
961 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
962 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
963 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
964 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
965 cmpstr = PyString_InternFromString("__cmp__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
966 if (cmpstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
967 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
968 }
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
969 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
970 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
971 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
972 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
973 return -1;
16004
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
974 PyErr_Clear();
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
975 return _Py_HashPointer(inst);
9251cf70ed1f Rich comparisons fallout: instance_hash() should check for both
Guido van Rossum <guido@python.org>
parents: 15972
diff changeset
976 }
1272
7b7411f9b116 Fix bug in class instance hash (forgot to clear error condition).
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
977 }
30437
41c2e1723cdd Fix leak in classobject.c. The leak surfaced on the error exit when
Raymond Hettinger <python@rcn.com>
parents: 28560
diff changeset
978 Py_XDECREF(func);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
979 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
980 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
981 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
982 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
983 Py_DECREF(func);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
984 if (res == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
985 return -1;
39410
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 38806
diff changeset
986 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
987 /* 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
988 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
989 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
990 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
991 "__hash__() should return an int");
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
992 outcome = -1;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
993 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
994 Py_DECREF(res);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
995 return outcome;
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
996 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
997
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
998 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
999 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
1000 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
1001 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
1002 Py_VISIT(o->in_dict);
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
1003 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1004 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
1005
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
1006 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
1007 static PyObject *iterstr, *nextstr;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1008
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1009 static Py_ssize_t
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1010 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
1011 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1012 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1013 PyObject *res;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1014 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
1015
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1016 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
1017 lenstr = PyString_InternFromString("__len__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1018 if (lenstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1019 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1020 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1021 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
1022 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1023 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1024 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1025 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
1026 if (res == NULL)
ce718457b172 * classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
parents: 1051
diff changeset
1027 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1028 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
1029 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
1030 if (outcome == -1 && PyErr_Occurred()) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1031 Py_DECREF(res);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1032 return -1;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1033 }
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
1034 #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
1035 /* 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
1036 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
1037 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
1038 "__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
1039 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
1040 }
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1041 else
9b994c67e909 A minor fix for 64-bit platforms: when __len__() returns Python int
Guido van Rossum <guido@python.org>
parents: 35111
diff changeset
1042 #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
1043 if (outcome < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1044 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1045 "__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
1046 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
1047 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1048 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1049 else {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1050 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1051 "__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
1052 outcome = -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1053 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1054 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
1055 return outcome;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1056 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1057
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1058 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1059 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
1060 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1061 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1062 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1063 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1064
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1065 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
1066 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1067 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1068 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1069 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1070 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
1071 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1072 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1073 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
1074 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1075 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
1076 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1077 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1078 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1079 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1080 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
1081 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1082 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1083
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1084 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1085 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
1086 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1087 PyObject *func;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1088 PyObject *arg;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1089 PyObject *res;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1090
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1091 if (value == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1092 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
1093 delitemstr = PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1094 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1095 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1096 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1097 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1098 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1099 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1100 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
1101 setitemstr = PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1102 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1103 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1104 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1105 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1106 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1107 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1108 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1109 if (value == NULL)
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1110 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
1111 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1112 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
1113 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1114 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1115 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1116 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1117 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1118 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1119 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
1120 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1121 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1122 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
1123 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1124 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1125
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1126 static PyMappingMethods instance_as_mapping = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1127 (lenfunc)instance_length, /* mp_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1128 (binaryfunc)instance_subscript, /* mp_subscript */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1129 (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
1130 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1131
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1132 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1133 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
1134 {
38409
e7af97e278c4 Simplify calling.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1135 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
1136
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1137 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
1138 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1139 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1140 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1141 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1142 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
1143 if (func == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1144 return NULL;
38409
e7af97e278c4 Simplify calling.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1145 res = PyObject_CallFunction(func, "n", i);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1146 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
1147 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1148 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1149
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1150 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1151 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
1152 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1153 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1154 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
1155
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1156 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
1157 getslicestr = PyString_InternFromString("__getslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1158 if (getslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1159 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1160 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1161 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
1162
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1163 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
1164 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
1165 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
1166 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
1167
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1168 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
1169 getitemstr = PyString_InternFromString("__getitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1170 if (getitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1171 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1172 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1173 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
1174 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
1175 return NULL;
37165
45dd938b7feb Stop duplicating code and handle slice indices consistently and correctly
Neal Norwitz <nnorwitz@gmail.com>
parents: 37086
diff changeset
1176 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
1177 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1178 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1179 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
1180 "use __getitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1181 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1182 return NULL;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1183 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1184 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
1185 }
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1186
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1187 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1188 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
1189 return NULL;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1190 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1191 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1192 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1193 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
1194 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1195 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1196
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1197 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1198 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
1199 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1200 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
1201
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1202 if (item == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1203 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
1204 delitemstr = PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1205 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1206 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1207 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1208 func = instance_getattr(inst, delitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1209 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1210 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1211 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
1212 setitemstr = PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1213 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1214 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1215 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1216 func = instance_getattr(inst, setitemstr);
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1217 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1218 if (func == NULL)
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1219 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1220 if (item == NULL)
38485
dcf92dd7408a Correct some value converting strangenesses.
Georg Brandl <georg@python.org>
parents: 38409
diff changeset
1221 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
1222 else
38485
dcf92dd7408a Correct some value converting strangenesses.
Georg Brandl <georg@python.org>
parents: 38409
diff changeset
1223 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
1224 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1225 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1226 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1227 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1228 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1229 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1230 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
1231 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1232 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1233 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
1234 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1235 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1236
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1237 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1238 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
1239 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1240 PyObject *func, *arg, *res;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1241 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
1242
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1243 if (value == NULL) {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1244 if (delslicestr == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1245 delslicestr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1246 PyString_InternFromString("__delslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1247 if (delslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1248 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1249 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1250 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
1251 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
1252 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
1253 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
1254 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1255 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
1256 delitemstr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1257 PyString_InternFromString("__delitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1258 if (delitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1259 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1260 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1261 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
1262 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
1263 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
1264
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1265 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
1266 _PySlice_FromIndices(i, j));
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1267 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1268 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1269 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
1270 "removed; use __delitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1271 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1272 return -1;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1273 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1274 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
1275 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1276 }
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1277 else {
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1278 if (setslicestr == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1279 setslicestr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1280 PyString_InternFromString("__setslice__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1281 if (setslicestr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1282 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1283 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1284 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
1285 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
1286 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
1287 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
1288 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1289 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
1290 setitemstr =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
1291 PyString_InternFromString("__setitem__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1292 if (setitemstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1293 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1294 }
14037
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1295 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
1296 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
1297 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
1298
91f847a783d2 Apply SF patch #101029: call __getitem__ with a proper slice object if there
Thomas Wouters <thomas@python.org>
parents: 13678
diff changeset
1299 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
1300 _PySlice_FromIndices(i, j), value);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1301 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1302 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1303 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
1304 "removed; use __setitem__", 1) < 0) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1305 Py_DECREF(func);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1306 return -1;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 47527
diff changeset
1307 }
36558
d3685f9b7b71 Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1308 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
1309 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1310 }
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1311 if (arg == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1312 Py_DECREF(func);
956
a60cb5321211 * macmodule.c: include allobjects.h, not .c
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
1313 return -1;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1314 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1315 res = PyEval_CallObject(func, arg);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1316 Py_DECREF(func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1317 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
1318 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1319 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1320 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
1321 return 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1322 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1323
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1324 static int
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1325 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
1326 {
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1327 static PyObject *__contains__;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1328 PyObject *func;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1329
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1330 /* Try __contains__ first.
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1331 * 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
1332 */
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1333
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1334 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
1335 __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
1336 if(__contains__ == NULL)
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1337 return -1;
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1338 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1339 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
1340 if (func) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1341 PyObject *res;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1342 int ret;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1343 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
1344 if(arg == NULL) {
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1345 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
1346 return -1;
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1347 }
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1348 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
1349 Py_DECREF(func);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1350 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
1351 if(res == NULL)
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1352 return -1;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1353 ret = PyObject_IsTrue(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1354 Py_DECREF(res);
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1355 return ret;
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1356 }
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1357
17692
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1358 /* Couldn't find __contains__. */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1359 if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1360 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
1361 /* 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
1362 * __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
1363 */
1812476b7fe4 Reimplement PySequence_Contains() and instance_contains(), so they work
Tim Peters <tim.peters@gmail.com>
parents: 17669
diff changeset
1364 PyErr_Clear();
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1365 rc = _PySequence_IterSearch((PyObject *)inst, member,
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1366 PY_ITERSEARCH_CONTAINS);
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1367 if (rc >= 0)
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1368 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
1369 }
40301
61cd8c87cfe2 Correctly forward exception in instance_contains().
Martin v. Löwis <martin@v.loewis.de>
parents: 39921
diff changeset
1370 return -1;
11869
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1371 }
32c59e2889c4 Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This adds
Guido van Rossum <guido@python.org>
parents: 11673
diff changeset
1372
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1373 static PySequenceMethods
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1374 instance_as_sequence = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1375 (lenfunc)instance_length, /* sq_length */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1376 0, /* sq_concat */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1377 0, /* sq_repeat */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1378 (ssizeargfunc)instance_item, /* sq_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1379 (ssizessizeargfunc)instance_slice, /* sq_slice */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1380 (ssizeobjargproc)instance_ass_item, /* sq_ass_item */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
1381 (ssizessizeobjargproc)instance_ass_slice,/* sq_ass_slice */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1382 (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
1383 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1384
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1385 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1386 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
1387 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1388 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
1389
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1390 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
1391 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1392 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1393 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
1394 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1395 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1396
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
1397 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
1398 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
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 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
1401 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
1402 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
1403 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
1404 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
1405 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
1406 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
1407 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
1408 return Py_NotImplemented;
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
1409 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1410 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
1411 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
1412 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
1413 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
1414 }
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 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
1416 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
1417 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
1418 return result;
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1419 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1420
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1421
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1422 static PyObject *coerce_obj;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1423
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
1424 /* 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
1425 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
1426 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
1427 int swapped)
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1428 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1429 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
1430 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1431 PyObject *coerced = NULL;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1432 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
1433 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
1434
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
1435 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
1436 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
1437 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
1438 }
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
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1440 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
1441 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1442 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
1443 return NULL;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1444 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1445 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
1446 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
1447 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
1448 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1449 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
1450 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
1451 }
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
1452
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1453 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
1454 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
1455 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
1456 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
1457 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1458 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
1459 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
1460 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
1461 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
1462 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
1463 }
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 == 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
1465 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
1466 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
1467 }
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 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
1469 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
1470 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
1471 "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
1472 return NULL;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1473 }
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
1474 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
1475 w = PyTuple_GetItem(coerced, 1);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1476 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
1477 /* 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
1478 * argument */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1479 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
1480 } 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
1481 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
1482 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
1483 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
1484 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
1485 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
1486 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
1487 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
1488 }
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 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
1490 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
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
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 /* 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
1494 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
1495 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
1496 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
1497 {
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 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
1499 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1500 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
1501 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
1502 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1503 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
1504 }
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 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
1507 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
1508 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
1509 {
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 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
1511 if (result == Py_NotImplemented) {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1512 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
1513 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
1514 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1515 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1516 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1517
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1518 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1519 instance_coerce(PyObject **pv, PyObject **pw)
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1520 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1521 PyObject *v = *pv;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1522 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
1523 PyObject *coercefunc;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1524 PyObject *args;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1525 PyObject *coerced;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1526
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1527 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
1528 coerce_obj = PyString_InternFromString("__coerce__");
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1529 if (coerce_obj == NULL)
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1530 return -1;
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1531 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1532 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
1533 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
1534 /* 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
1535 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
1536 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1537 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
1538 return 1;
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1539 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1540 /* Has __coerce__ method: call it */
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1541 args = PyTuple_Pack(1, w);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1542 if (args == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1543 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1544 }
6595
5e0b152bf1e6 Undo another glitch of the automatic not-so-Grand Renaming; some local
Guido van Rossum <guido@python.org>
parents: 6502
diff changeset
1545 coerced = PyEval_CallObject(coercefunc, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1546 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
1547 Py_DECREF(coercefunc);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1548 if (coerced == NULL) {
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1549 /* __coerce__ call raised an exception */
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1550 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1551 }
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
1552 if (coerced == Py_None || coerced == Py_NotImplemented) {
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1553 /* __coerce__ says "I can't do it" */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1554 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1555 return 1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1556 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1557 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
1558 /* __coerce__ return value is malformed */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1559 Py_DECREF(coerced);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1560 PyErr_SetString(PyExc_TypeError,
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1561 "coercion should return None or 2-tuple");
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1562 return -1;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1563 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1564 /* __coerce__ returned two new values */
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1565 *pv = PyTuple_GetItem(coerced, 0);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1566 *pw = PyTuple_GetItem(coerced, 1);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1567 Py_INCREF(*pv);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1568 Py_INCREF(*pw);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1569 Py_DECREF(coerced);
2112
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1570 return 0;
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1571 }
2669ef14c205 implement coercions involving instances properly
Guido van Rossum <guido@python.org>
parents: 2105
diff changeset
1572
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1573 #define UNARY(funcname, methodname) \
13678
3177e2829167 ANSIfy functions that were hiding inside a macro.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
1574 static PyObject *funcname(PyInstanceObject *self) { \
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1575 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
1576 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
1577 if (o == NULL) return NULL; } \
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1578 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
1579 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1580
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
1581 /* 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
1582 #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
1583 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
1584 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
1585 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
1586 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
1587 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
1588 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
1589 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
1590 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
1591 }
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
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
1593 #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
1594 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
1595 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
1596 }
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
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 #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
1599 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
1600 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
1601 "__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
1602 }
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
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1604 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
1605 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
1606 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
1607
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
1608 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
1609 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
1610 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
1611 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
1612 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
1613 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
1614 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
1615 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
1616 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
1617 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
1618 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
1619 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
1620 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
1621
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1622 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
1623 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
1624 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
1625 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
1626 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
1627 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
1628 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
1629 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
1630 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
1631 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
1632 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
1633 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
1634
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1635 /* 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
1636 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1637 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1638 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1639 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1640 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
1641 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1642 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1643 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
1644 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1645 static PyObject *cmp_obj;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1646 PyObject *args;
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1647 PyObject *cmp_func;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1648 PyObject *result;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1649 long l;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1650
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1651 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1652
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1653 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
1654 cmp_obj = PyString_InternFromString("__cmp__");
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1655 if (cmp_obj == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1656 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1657 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1658
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1659 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
1660 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
1661 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
1662 return -2;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1663 PyErr_Clear();
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1664 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
1665 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1666
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1667 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
1668 if (args == NULL) {
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1669 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1670 return -2;
25842
eab7940277fb Fix (real! :-) memory leaks in half_cmp and half_binop.
Guido van Rossum <guido@python.org>
parents: 24910
diff changeset
1671 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1672
16356
4ff2858d7a85 Rename dubiously named local variable 'cmpfunc' -- this is also a
Guido van Rossum <guido@python.org>
parents: 16352
diff changeset
1673 result = PyEval_CallObject(cmp_func, args);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1674 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
1675 Py_DECREF(cmp_func);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1676
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1677 if (result == NULL)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1678 return -2;
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 == Py_NotImplemented) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1681 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1682 return 2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1683 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1684
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1685 l = PyInt_AsLong(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1686 Py_DECREF(result);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1687 if (l == -1 && PyErr_Occurred()) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1688 PyErr_SetString(PyExc_TypeError,
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1689 "comparison did not return an int");
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1690 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1691 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1692
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1693 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
1694 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1695
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1696 /* 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
1697 We first try a coercion. Return:
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1698 -2 for an exception;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1699 -1 if v < w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1700 0 if v == w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1701 1 if v > w;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1702 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
1703 THIS IS ONLY CALLED FROM object.c!
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1704 */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1705 static int
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1706 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
1707 {
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1708 int c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1709
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1710 c = PyNumber_CoerceEx(&v, &w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1711 if (c < 0)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1712 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1713 if (c == 0) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1714 /* If neither is now an instance, use regular comparison */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1715 if (!PyInstance_Check(v) && !PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1716 c = PyObject_Compare(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1717 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1718 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1719 if (PyErr_Occurred())
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1720 return -2;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1721 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
1722 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1723 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1724 else {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1725 /* The coercion didn't do anything.
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1726 Treat this the same as returning v and w unchanged. */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1727 Py_INCREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1728 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
1729 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1730
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1731 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1732 c = half_cmp(v, w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1733 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1734 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1735 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1736 return c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1737 }
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
1738 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1739 if (PyInstance_Check(w)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1740 c = half_cmp(w, v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1741 if (c <= 1) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1742 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1743 Py_DECREF(w);
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 c = -c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1746 return c;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1747 }
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
1748 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1749 Py_DECREF(v);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1750 Py_DECREF(w);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1751 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
1752 }
3e862a51861f Make instances a new style number type. See PEP 208 for details. Instance
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 15318
diff changeset
1753
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1754 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1755 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
1756 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1757 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
1758 long outcome;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1759 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
1760
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1761 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
1762 nonzerostr = PyString_InternFromString("__nonzero__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1763 if (nonzerostr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1764 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1765 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1766 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
1767 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
1768 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1769 PyErr_Clear();
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1770 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
1771 lenstr = PyString_InternFromString("__len__");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1772 if (lenstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1773 return -1;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
1774 }
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1775 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
1776 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
1777 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1778 PyErr_Clear();
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1779 /* 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
1780 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
1781 return 1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1782 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1783 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1784 res = PyEval_CallObject(func, (PyObject *)NULL);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1785 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
1786 if (res == NULL)
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1787 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1788 if (!PyInt_Check(res)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1789 Py_DECREF(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1790 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1791 "__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
1792 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1793 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1794 outcome = PyInt_AsLong(res);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1795 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
1796 if (outcome < 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1797 PyErr_SetString(PyExc_ValueError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1798 "__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
1799 return -1;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1800 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1801 return outcome > 0;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1802 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1803
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1804 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1805 instance_index(PyInstanceObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1806 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1807 PyObject *func, *res;
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1808 static PyObject *indexstr = NULL;
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 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
1811 indexstr = PyString_InternFromString("__index__");
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1812 if (indexstr == NULL)
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1813 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1814 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1815 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
1816 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1817 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1818 PyErr_Clear();
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1819 PyErr_SetString(PyExc_TypeError,
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1820 "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
1821 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1822 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1823 res = PyEval_CallObject(func, (PyObject *)NULL);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1824 Py_DECREF(func);
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
1825 return res;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1826 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1827
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36675
diff changeset
1828
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
1829 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
1830 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
1831
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1832 static PyObject *
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1833 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
1834 {
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1835 PyObject *truncated;
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1836 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
1837 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
1838 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
1839 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
1840 return NULL;
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1841 }
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1842 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
1843 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
1844
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1845 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
1846 /* __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
1847 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
1848 return _PyNumber_ConvertIntegralToInt(
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1849 truncated,
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1850 "__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
1851 }
f03955faffb4 Make int() and long() fall back to __trunc__(). See issue 2002.
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44751
diff changeset
1852
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
1853 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
1854 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
1855 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
1856 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
1857
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
1858 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
1859 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
1860 {
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 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
1862 }
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
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1864 /* 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
1865 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
1866 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
1867 {
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
1868 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
1869 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
1870 }
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 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
1872 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
1873 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
1874 PyObject *result;
3987
6fbc5c665812 Optimizations by Sjoerd:
Guido van Rossum <guido@python.org>
parents: 3769
diff changeset
1875
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
1876 /* 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
1877 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
1878 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
1879 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1880 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
1881 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
1882 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
1883 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
1884 }
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 result = PyEval_CallObject(func, args);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
1886 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
1887 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
1888 return result;
1908
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1889 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1890 }
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1861
diff changeset
1891
14161
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1892 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
1893 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
1894 {
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
1895 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
1896 }
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1897
52fd496d3532 Support for the in-place operations introduced by augmented assignment. Only
Thomas Wouters <thomas@python.org>
parents: 14049
diff changeset
1898
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
1899 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
1900 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
1901 {
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 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
1903 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
1904 "__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
1905 }
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 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
1907 /* 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
1908 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
1909 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
1910 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
1911
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 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1919 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
1920 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
1921 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
1922 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
1923 }
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 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
1925 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
1926 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
1927 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
1928 }
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 }
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
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
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1932 /* 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
1933 #define NAME_OPS 6
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1934 static PyObject **name_op = NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1935
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 24121
diff changeset
1936 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
1937 init_name_op(void)
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1938 {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1939 int i;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1940 char *_name_op[] = {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1941 "__lt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1942 "__le__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1943 "__eq__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1944 "__ne__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1945 "__gt__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1946 "__ge__",
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1947 };
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1948
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1949 name_op = (PyObject **)malloc(sizeof(PyObject *) * NAME_OPS);
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1950 if (name_op == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1951 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1952 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
1953 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
1954 if (name_op[i] == NULL)
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1955 return -1;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1956 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1957 return 0;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1958 }
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1959
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1960 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1961 half_richcompare(PyObject *v, PyObject *w, int op)
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 PyObject *method;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1964 PyObject *args;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1965 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1966
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1967 assert(PyInstance_Check(v));
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1968
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1969 if (name_op == NULL) {
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1970 if (init_name_op() < 0)
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1971 return NULL;
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1972 }
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1973 /* 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
1974 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
1975 exception on failure. */
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1976 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
1977 method = instance_getattr2((PyInstanceObject *)v,
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1978 name_op[op]);
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1979 else
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1980 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
1981 if (method == NULL) {
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1982 if (PyErr_Occurred()) {
17783
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1983 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1984 return NULL;
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1985 PyErr_Clear();
1dacd0d60637 Variant of SF patch 423181
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17692
diff changeset
1986 }
25941
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1987 res = Py_NotImplemented;
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1988 Py_INCREF(res);
7b773a1271c3 Since properties are supported here, is possible that
Guido van Rossum <guido@python.org>
parents: 25842
diff changeset
1989 return res;
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1990 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1991
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30437
diff changeset
1992 args = PyTuple_Pack(1, w);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1993 if (args == NULL) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1994 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1995 return NULL;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1996 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1997
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1998 res = PyEval_CallObject(method, args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
1999 Py_DECREF(args);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2000 Py_DECREF(method);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2001
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2002 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2003 }
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 static PyObject *
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2006 instance_richcompare(PyObject *v, PyObject *w, int op)
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 PyObject *res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2009
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2010 if (PyInstance_Check(v)) {
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2011 res = half_richcompare(v, w, op);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2012 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2013 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2014 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2015 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2016
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2017 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
2018 res = half_richcompare(w, v, _Py_SwappedOp[op]);
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2019 if (res != Py_NotImplemented)
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2020 return res;
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2021 Py_DECREF(res);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2022 }
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2023
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2024 Py_INCREF(Py_NotImplemented);
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2025 return Py_NotImplemented;
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
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
2028
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2029 /* Get the iterator */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2030 static PyObject *
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2031 instance_getiter(PyInstanceObject *self)
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2032 {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2033 PyObject *func;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2034
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2035 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
2036 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
2037 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
2038 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
2039 }
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 (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
2041 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
2042 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
2043 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
2044 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2045
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2046 if ((func = instance_getattr(self, iterstr)) != NULL) {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2047 PyObject *res = PyEval_CallObject(func, (PyObject *)NULL);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2048 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
2049 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
2050 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
2051 "__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
2052 "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
2053 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
2054 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
2055 res = NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2056 }
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2057 return res;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2058 }
23842
6c619c161b87 Major cleanup operation: whenever there's a call that looks for an
Guido van Rossum <guido@python.org>
parents: 23839
diff changeset
2059 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
2060 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2061 PyErr_Clear();
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2062 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
2063 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
2064 "iteration over non-sequence");
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2065 return NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2066 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2067 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
2068 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
2069 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2070
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2071
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2072 /* 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
2073 static PyObject *
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2074 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
2075 {
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2076 PyObject *func;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2077
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2078 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
2079 nextstr = PyString_InternFromString("next");
39467
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2080 if (nextstr == NULL)
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2081 return NULL;
3be6627323b9 Handle a whole lot of failures from PyString_FromInternedString().
Neal Norwitz <nnorwitz@gmail.com>
parents: 39464
diff changeset
2082 }
17617
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2083
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2084 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
2085 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
2086 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
2087 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
2088 return res;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2089 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2090 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
2091 PyErr_Clear();
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2092 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2093 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2094 return NULL;
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2095 }
aac65f50df6f Mondo changes to the iterator stuff, without changing how Python code
Guido van Rossum <guido@python.org>
parents: 17597
diff changeset
2096 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
2097 return NULL;
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2098 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2099
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2100 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2101 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
2102 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2103 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
2104 if (call == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2105 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
2106 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
2107 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2108 PyErr_Clear();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2109 PyErr_Format(PyExc_AttributeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2110 "%.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
2111 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
2112 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2113 }
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
2114 /* 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
2115 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
2116 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
2117 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
2118 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
2119 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
2120 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
2121 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
2122 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
2123 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
2124 }
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2125 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
2126 res = PyObject_Call(call, arg, kw);
30801
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2127 Py_LeaveRecursiveCall();
c42c40034536 Deleting cyclic object comparison.
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
2128 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2129 Py_DECREF(call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2130 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2131 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2132
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2133
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2134 static PyNumberMethods instance_as_number = {
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2135 instance_add, /* nb_add */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2136 instance_sub, /* nb_subtract */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2137 instance_mul, /* nb_multiply */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2138 instance_div, /* nb_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2139 instance_mod, /* nb_remainder */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2140 instance_divmod, /* nb_divmod */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2141 instance_pow, /* nb_power */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2142 (unaryfunc)instance_neg, /* nb_negative */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2143 (unaryfunc)instance_pos, /* nb_positive */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2144 (unaryfunc)instance_abs, /* nb_absolute */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2145 (inquiry)instance_nonzero, /* nb_nonzero */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2146 (unaryfunc)instance_invert, /* nb_invert */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2147 instance_lshift, /* nb_lshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2148 instance_rshift, /* nb_rshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2149 instance_and, /* nb_and */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2150 instance_xor, /* nb_xor */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2151 instance_or, /* nb_or */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2152 instance_coerce, /* nb_coerce */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2153 (unaryfunc)instance_int, /* nb_int */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2154 (unaryfunc)instance_long, /* nb_long */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2155 (unaryfunc)instance_float, /* nb_float */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2156 (unaryfunc)instance_oct, /* nb_oct */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2157 (unaryfunc)instance_hex, /* nb_hex */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2158 instance_iadd, /* nb_inplace_add */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2159 instance_isub, /* nb_inplace_subtract */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2160 instance_imul, /* nb_inplace_multiply */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2161 instance_idiv, /* nb_inplace_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2162 instance_imod, /* nb_inplace_remainder */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2163 instance_ipow, /* nb_inplace_power */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2164 instance_ilshift, /* nb_inplace_lshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2165 instance_irshift, /* nb_inplace_rshift */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2166 instance_iand, /* nb_inplace_and */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2167 instance_ixor, /* nb_inplace_xor */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2168 instance_ior, /* nb_inplace_or */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2169 instance_floordiv, /* nb_floor_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2170 instance_truediv, /* nb_true_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2171 instance_ifloordiv, /* nb_inplace_floor_divide */
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2172 instance_itruediv, /* nb_inplace_true_divide */
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39410
diff changeset
2173 (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
2174 };
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 791
diff changeset
2175
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2176 PyTypeObject PyInstance_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2177 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2178 0,
174
20fee4e2eecd Change ugly 'class member' to more normal 'instance'.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
2179 "instance",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2180 sizeof(PyInstanceObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2181 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2182 (destructor)instance_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2183 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2184 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2185 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2186 instance_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2187 (reprfunc)instance_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2188 &instance_as_number, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2189 &instance_as_sequence, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2190 &instance_as_mapping, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2191 (hashfunc)instance_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2192 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
2193 (reprfunc)instance_str, /* tp_str */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2194 (getattrofunc)instance_getattr, /* tp_getattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2195 (setattrofunc)instance_setattr, /* tp_setattro */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2196 0, /* tp_as_buffer */
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2197 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
2198 instance_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2199 (traverseproc)instance_traverse, /* tp_traverse */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2200 0, /* tp_clear */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2201 instance_richcompare, /* tp_richcompare */
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2202 offsetof(PyInstanceObject, in_weakreflist), /* tp_weaklistoffset */
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17170
diff changeset
2203 (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
2204 (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
2205 0, /* tp_methods */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2206 0, /* tp_members */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2207 0, /* tp_getset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2208 0, /* tp_base */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2209 0, /* tp_dict */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2210 0, /* tp_descr_get */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2211 0, /* tp_descr_set */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2212 0, /* tp_dictoffset */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2213 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2214 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2215 instance_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2216 };
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2217
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2218
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2219 /* 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
2220 (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
2221 (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
2222 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
2223 */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2224
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2225 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
2226 PyMethod_New(PyObject *func, PyObject *self, PyObject *klass)
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 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
2229 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
2230 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
2231 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
2232 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
2233 numfree--;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2234 }
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2235 else {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2236 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
2237 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
2238 return NULL;
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2239 }
17170
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2240 im->im_weakreflist = NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2241 Py_INCREF(func);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2242 im->im_func = func;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2243 Py_XINCREF(self);
224
e71b6fec86e5 Renamed class methods to instance methods (which they are)
Guido van Rossum <guido@python.org>
parents: 202
diff changeset
2244 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
2245 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
2246 im->im_class = klass;
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2247 _PyObject_GC_TRACK(im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2248 return (PyObject *)im;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2249 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2250
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2251 /* 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
2252
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2253 /* 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
2254
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2255 #define OFF(x) offsetof(PyMethodObject, x)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2256
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2257 static PyMemberDef instancemethod_memberlist[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19966
diff changeset
2258 {"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
2259 "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
2260 {"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
2261 "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
2262 {"__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
2263 "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
2264 {"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
2265 "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
2266 {"__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
2267 "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
2268 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2269 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2270
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2271 /* 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
2272 (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
2273 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
2274 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
2275
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2276 static PyObject *
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2277 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
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 *docstr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2280 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
2281 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
2282 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
2283 return NULL;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2284 }
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2285 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
2286 }
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 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
2289 {"__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
2290 {0}
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2291 };
15894
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido.
Barry Warsaw <barry@python.org>
parents: 15722
diff changeset
2292
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2293 static PyObject *
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2294 instancemethod_getattro(PyObject *obj, PyObject *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2295 {
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2296 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
2297 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
2298 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
2299
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
2300 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
2301 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
2302 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
2303 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
2304 }
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 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
2306 }
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2307
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2308 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
2309 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
2310 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
2311 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
2312 else {
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2313 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
2314 return descr;
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2315 }
3549
f66306bc0663 Added __name__ attribute to class instance method objects.
Guido van Rossum <guido@python.org>
parents: 3096
diff changeset
2316 }
19956
33669c8914b4 Redo the PyMethod attributes using a dir()-friendly approach, creating
Guido van Rossum <guido@python.org>
parents: 19808
diff changeset
2317
31003
278976b19dcc - When method objects have an attribute that can be satisfied either
Guido van Rossum <guido@python.org>
parents: 30801
diff changeset
2318 return PyObject_GetAttr(im->im_func, name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2319 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 27
diff changeset
2320
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2321 PyDoc_STRVAR(instancemethod_doc,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2322 "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
2323 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2324 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
2325
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2326 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2327 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
2328 {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2329 PyObject *func;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2330 PyObject *self;
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2331 PyObject *classObj = NULL;
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2332
39921
49fbddfb1217 Patch #1567691: super() and new.instancemethod() now don't accept
Georg Brandl <georg@python.org>
parents: 39582
diff changeset
2333 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
2334 return NULL;
28560
e92c25d428b8 Make it possible to call instancemethod() with 2 arguments.
Guido van Rossum <guido@python.org>
parents: 28519
diff changeset
2335 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
2336 &func, &self, &classObj))
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2337 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2338 if (!PyCallable_Check(func)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2339 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2340 "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
2341 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2342 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2343 if (self == Py_None)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2344 self = NULL;
34850
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2345 if (self == NULL && classObj == NULL) {
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2346 PyErr_SetString(PyExc_TypeError,
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2347 "unbound methods must have non-NULL im_class");
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2348 return NULL;
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2349 }
aef713de7a23 Backport:
Michael W. Hudson <mwh@python.net>
parents: 33541
diff changeset
2350
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2351 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
2352 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2353
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2354 static void
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2355 instancemethod_dealloc(register PyMethodObject *im)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2356 {
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2357 _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
2358 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
2359 PyObject_ClearWeakRefs((PyObject *)im);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2360 Py_DECREF(im->im_func);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2361 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
2362 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
2363 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
2364 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
2365 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
2366 numfree++;
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2367 }
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2368 else {
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2369 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
2370 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2371 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2372
1021
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2373 static int
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2374 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
2375 {
38659
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2376 int cmp;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2377 cmp = PyObject_Compare(a->im_func, b->im_func);
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2378 if (cmp)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2379 return cmp;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2380
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2381 if (a->im_self == b->im_self)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2382 return 0;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2383 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
2384 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
2385 else
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2386 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
2387 }
0d7c82366704 Compare instance methods by comparing the object and the function.
Guido van Rossum <guido@python.org>
parents: 956
diff changeset
2388
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2389 static PyObject *
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2390 instancemethod_repr(PyMethodObject *a)
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2391 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2392 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
2393 PyObject *func = a->im_func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2394 PyObject *klass = a->im_class;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2395 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
2396 char *sfuncname = "?", *sklassname = "?";
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2397
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2398 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
2399 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
2400 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
2401 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2402 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
2403 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2404 else if (!PyString_Check(funcname)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2405 Py_DECREF(funcname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2406 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
2407 }
4ba9b70ca56e Marc-Andre Lemburg's patch to support instance methods with other
Guido van Rossum <guido@python.org>
parents: 8649
diff changeset
2408 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2409 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
2410 if (klass == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2411 klassname = NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2412 else {
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2413 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
2414 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
2415 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
2416 return NULL;
19336
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2417 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
2418 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2419 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
2420 Py_DECREF(klassname);
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2421 klassname = NULL;
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2422 }
ebfb74ce7e56 Fix core dump in repr() of instancemethod whose class==NULL.
Guido van Rossum <guido@python.org>
parents: 19334
diff changeset
2423 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2424 sklassname = PyString_AS_STRING(klassname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2425 }
1289
4d292c7857d4 Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents: 1288
diff changeset
2426 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
2427 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
2428 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
2429 else {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2430 /* XXX Shouldn't use repr() here! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2431 PyObject *selfrepr = PyObject_Repr(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2432 if (selfrepr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2433 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
2434 if (!PyString_Check(selfrepr)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2435 Py_DECREF(selfrepr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2436 goto fail;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2437 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2438 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
2439 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
2440 PyString_AS_STRING(selfrepr));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2441 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
2442 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2443 fail:
11378
dc9f1f964690 Fix for PR#98 (Adrian Eyre) -- in instancemethod_repr, the funcname
Guido van Rossum <guido@python.org>
parents: 8806
diff changeset
2444 Py_XDECREF(funcname);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2445 Py_XDECREF(klassname);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2446 return result;
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2447 }
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1272
diff changeset
2448
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2449 static long
13449
0409a98cd582 ANSI-fication of the sources.
Fred Drake <fdrake@acm.org>
parents: 13447
diff changeset
2450 instancemethod_hash(PyMethodObject *a)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2451 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2452 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
2453 if (a->im_self == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2454 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
2455 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2456 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
2457 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2458 return -1;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2459 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
2460 if (y == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2461 return -1;
38659
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2462 x = x ^ y;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2463 if (x == -1)
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2464 x = -2;
5c58fda95aa5 (arre, arigo) SF bug #1350060
Armin Rigo <arigo@tunes.org>
parents: 38485
diff changeset
2465 return x;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2466 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
2467
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2468 static int
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2469 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
2470 {
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37589
diff changeset
2471 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
2472 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
2473 Py_VISIT(im->im_class);
12992
3f990ef66667 traverse functions should return 0 on success
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12990
diff changeset
2474 return 0;
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2475 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2476
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2477 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
2478 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
2479 {
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2480 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
2481
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2482 assert(bufsize > 1);
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2483 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
2484 if (klass == NULL)
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2485 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
2486 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
2487 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
2488 /* 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
2489 PyErr_Clear();
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2490 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
2491 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
2492 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
2493 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
2494 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
2495 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2496 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
2497 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2498
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2499 static void
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2500 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
2501 {
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2502 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
2503
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2504 if (inst == NULL) {
24910
5c38457f6b3b getinstclassname(): Squash new compiler wng in assert (comparison of
Tim Peters <tim.peters@gmail.com>
parents: 24901
diff changeset
2505 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
2506 strcpy(buf, "nothing");
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2507 return;
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2508 }
19480
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2509
37589
aeee85b6a5dd More C++-compliance. Note especially listobject.c - to get C++ to accept the
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37304
diff changeset
2510 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
2511 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
2512 /* 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
2513 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
2514 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
2515 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
2516 }
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 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
2518 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
2519 }
984ffa124606 Improve the error message issued when an unbound method is called with
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
2520
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2521 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2522 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
2523 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2524 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
2525 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
2526 PyObject *result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2527
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2528 func = PyMethod_GET_FUNCTION(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2529 if (self == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2530 /* 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
2531 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
2532 int ok;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2533 if (PyTuple_Size(arg) >= 1)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2534 self = PyTuple_GET_ITEM(arg, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2535 if (self == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2536 ok = 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2537 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
2538 ok = PyObject_IsInstance(self, klass);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2539 if (ok < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2540 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2541 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2542 if (!ok) {
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2543 char clsbuf[256];
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2544 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
2545 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
2546 getinstclassname(self, instbuf, sizeof(instbuf));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2547 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
2548 "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
2549 "%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
2550 "(got %s%s instead)",
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2551 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
2552 PyEval_GetFuncDesc(func),
24901
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2553 clsbuf,
bc660f73795c SF patch 576101, by Oren Tirosh: alternative implementation of
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
2554 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
2555 self == NULL ? "" : " instance");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2556 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2557 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2558 Py_INCREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2559 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2560 else {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 35999
diff changeset
2561 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
2562 PyObject *newarg = PyTuple_New(argcount + 1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2563 int i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2564 if (newarg == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2565 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2566 Py_INCREF(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2567 PyTuple_SET_ITEM(newarg, 0, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2568 for (i = 0; i < argcount; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2569 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
2570 Py_XINCREF(v);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2571 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
2572 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2573 arg = newarg;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2574 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2575 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
2576 Py_DECREF(arg);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2577 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2578 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2579
19280
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2580 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
2581 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
2582 {
19334
60264d1e100e instance_getattr2(): rewritten to remove unnecessary stuff and
Guido van Rossum <guido@python.org>
parents: 19332
diff changeset
2583 /* 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
2584 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
2585
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2586 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
2587 /* Already bound */
19323
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2588 Py_INCREF(meth);
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2589 return meth;
261e28e7fa01 classobject.c:instancemethod_descr_get(): when a bound method is
Guido van Rossum <guido@python.org>
parents: 19280
diff changeset
2590 }
27817
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2591 /* 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
2592 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
2593 /* 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
2594 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
2595 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
2596 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
2597 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
2598 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
2599 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
2600 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2601 }
bf083e35185f Refactor instancemethod_descr_get() to (a) be more clear, (b) be safe
Guido van Rossum <guido@python.org>
parents: 26818
diff changeset
2602 /* 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
2603 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
2604 }
f10b68eceefc PyMethod_Type: add a tp_descr_get slot function to ensure proper
Guido van Rossum <guido@python.org>
parents: 19051
diff changeset
2605
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2606 PyTypeObject PyMethod_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 5008
diff changeset
2607 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2608 0,
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2609 "instancemethod",
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2610 sizeof(PyMethodObject),
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2611 0,
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2612 (destructor)instancemethod_dealloc, /* tp_dealloc */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2613 0, /* tp_print */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2614 0, /* tp_getattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2615 0, /* tp_setattr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2616 (cmpfunc)instancemethod_compare, /* tp_compare */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2617 (reprfunc)instancemethod_repr, /* tp_repr */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2618 0, /* tp_as_number */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2619 0, /* tp_as_sequence */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2620 0, /* tp_as_mapping */
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2621 (hashfunc)instancemethod_hash, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 17894
diff changeset
2622 instancemethod_call, /* tp_call */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2623 0, /* tp_str */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37165
diff changeset
2624 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
2625 PyObject_GenericSetAttr, /* tp_setattro */
15943
5b063baebef8 Rich comparisons.
Guido van Rossum <guido@python.org>
parents: 15894
diff changeset
2626 0, /* tp_as_buffer */
35111
ab83ab27c837 Insert missing flag.
Raymond Hettinger <python@rcn.com>
parents: 34850
diff changeset
2627 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
2628 instancemethod_doc, /* tp_doc */
12990
e615596c5c47 Round 1 of Neil Schemenauer's GC patches:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
2629 (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
2630 0, /* tp_clear */
962196ce7231 Add support for weak references to the function and method types.
Fred Drake <fdrake@acm.org>
parents: 17154
diff changeset
2631 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
2632 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
2633 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
2634 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
2635 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
2636 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
2637 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
2638 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
2639 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
2640 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
2641 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
2642 0, /* tp_dictoffset */
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2643 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2644 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23842
diff changeset
2645 instancemethod_new, /* tp_new */
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2646 };
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2647
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2648 /* 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
2649
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
2650 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
2651 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
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 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
2654
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2655 while (free_list) {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2656 PyMethodObject *im = free_list;
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12504
diff changeset
2657 free_list = (PyMethodObject *)(im->im_self);
19581
fd48a55ac364 Use new GC API.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19480
diff changeset
2658 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
2659 numfree--;
5932
40cfc905c776 Added separate free list for instance method objects, for a few
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2660 }
45189
a4c87c889648 Limit free list of method and builtin function objects to 256 entries each.
Christian Heimes <christian@cheimes.de>
parents: 45142
diff changeset
2661 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
2662 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
2663 }
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
2664
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 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
2666 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
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)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
2669 }