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Return the orginal string only if it's a real str or unicode

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instance, otherwise make a copy.
This commit is contained in:
Walter Dörwald 2002-04-15 18:42:15 +00:00
parent 8a5e6790d9
commit 0fe940c862
2 changed files with 18 additions and 4 deletions
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11
Objects/stringobject.c
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@ -2401,8 +2401,15 @@ string_zfill(PyStringObject *self, PyObject *args)
return NULL;
if (PyString_GET_SIZE(self) >= width) {
Py_INCREF(self);
return (PyObject*) self;
if (PyString_CheckExact(self)) {
Py_INCREF(self);
return (PyObject*) self;
}
else
return PyString_FromStringAndSize(
PyString_AS_STRING(self),
PyString_GET_SIZE(self)
);
}
fill = width - PyString_GET_SIZE(self);