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Change string comparison so that it applies even when one (or both)

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arguments are subclasses of str, as long as they don't override rich
comparison.
This commit is contained in:
Guido van Rossum 2001-09-24 16:51:54 +00:00
parent ff0e6d6ef5
commit bb77e6801e
2 changed files with 10 additions and 9 deletions
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7
Objects/stringobject.c
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@ -824,9 +824,10 @@ string_richcompare(PyStringObject *a, PyStringObject *b, int op)
int min_len;
PyObject *result;
/* One of the objects is a string object. Make sure the
other one is one, too. */
if (a->ob_type != b->ob_type) {
/* May sure both arguments use string comparison.
This implies PyString_Check(a) && PyString_Check(b). */
if (a->ob_type->tp_richcompare != (richcmpfunc)string_richcompare ||
b->ob_type->tp_richcompare != (richcmpfunc)string_richcompare) {
result = Py_NotImplemented;
goto out;
}