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Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This 

patches PySequence_Contains() to check for a valid sq_contains field.
More to follow.
This commit is contained in:
Guido van Rossum 2000-02-28 15:01:46 +00:00
parent cecb27a49c
commit 46c6b20392
1 changed files with 8 additions and 1 deletions
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7
Objects/abstract.c
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@ -1139,7 +1139,14 @@ PySequence_Contains(w, v) /* v in w */
}
return 0;
}
if(PyType_HasFeature(w->ob_type, Py_TPFLAGS_HAVE_SEQUENCE_IN)) {
sq = w->ob_type->tp_as_sequence;
if(sq != NULL && sq->sq_contains != NULL)
return (*sq->sq_contains)(w, v);
}
/* If there is no better way to check whether an item is is contained,
do it the hard way */
sq = w->ob_type->tp_as_sequence;
if (sq == NULL || sq->sq_item == NULL) {
PyErr_SetString(PyExc_TypeError,