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Extend work on rev 52962 and 53830 eliminating redundant PyObject_Hash() calls and fixing set/dict interoperability.

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Raymond Hettinger 2007-03-20 21:45:04 +00:00
parent 42f4cfa9b6
commit f94e89c578
4 changed files with 44 additions and 5 deletions
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18
Objects/dictobject.c
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@ -1175,6 +1175,24 @@ dict_fromkeys(PyObject *cls, PyObject *args)
if (d == NULL)
return NULL;
if (PyDict_CheckExact(d) && PyAnySet_CheckExact(seq)) {
dictobject *mp = (dictobject *)d;
Py_ssize_t pos = 0;
PyObject *key;
long hash;
if (dictresize(mp, PySet_GET_SIZE(seq)))
return NULL;
while (_PySet_NextEntry(seq, &pos, &key, &hash)) {
Py_INCREF(key);
Py_INCREF(Py_None);
if (insertdict(mp, key, hash, Py_None))
return NULL;
}
return d;
}
it = PyObject_GetIter(seq);
if (it == NULL){
Py_DECREF(d);