SF patch #659536: Use PyArg_UnpackTuple where possible.
Obtain cleaner coding and a system wide
performance boost by using the fast, pre-parsed
PyArg_Unpack function instead of PyArg_ParseTuple
function which is driven by a format string.
diff --git a/Objects/listobject.c b/Objects/listobject.c
index ba47028..461350c 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -1654,7 +1654,7 @@
assert(self != NULL);
if (args != NULL) {
- if (!PyArg_ParseTuple(args, "|O:sort", &compare))
+ if (!PyArg_UnpackTuple(args, "sort", 0, 1, &compare))
return NULL;
}
merge_init(&ms, compare);