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| author | Benjamin Peterson <benjamin@python.org> | 2009-05-09 02:07:04 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2009-05-09 02:07:04 (GMT) |
| commit | 809e22543f8bafd2df66fbe116ad49bbca5793f3 (patch) | |
| tree | c301fd6cd73eda018a1b9c5b8ae1cf9ac5e108c5 /Objects | |
| parent | 84ad84e0bb15e7c64109e88060afdcb60ae7b740 (diff) | |
| download | cpython-809e22543f8bafd2df66fbe116ad49bbca5793f3.zip cpython-809e22543f8bafd2df66fbe116ad49bbca5793f3.tar.gz cpython-809e22543f8bafd2df66fbe116ad49bbca5793f3.tar.bz2 | |
lookup __reversed__ correctly as a special method
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/enumobject.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Objects/enumobject.c b/Objects/enumobject.c index b1e412d..12a226c 100644 --- a/Objects/enumobject.c +++ b/Objects/enumobject.c @@ -222,7 +222,8 @@ static PyObject * reversed_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { Py_ssize_t n; - PyObject *seq; + PyObject *seq, *reversed_meth; + static PyObject *reversed_cache = NULL; reversedobject *ro; if (type == &PyReversed_Type && !_PyArg_NoKeywords("reversed()", kwds)) @@ -231,8 +232,12 @@ reversed_new(PyTypeObject *type, PyObject *args, PyObject *kwds) if (!PyArg_UnpackTuple(args, "reversed", 1, 1, &seq) ) return NULL; - if (PyObject_HasAttrString(seq, "__reversed__")) - return PyObject_CallMethod(seq, "__reversed__", NULL); + reversed_meth = _PyObject_LookupSpecial(seq, "__reversed__", &reversed_cache); + if (reversed_meth != NULL) { + PyObject *res = PyObject_CallFunctionObjArgs(reversed_meth, NULL); + Py_DECREF(reversed_meth); + return res; + } if (!PySequence_Check(seq)) { PyErr_SetString(PyExc_TypeError, |