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| author | Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com> | 2021-03-16 04:02:25 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-16 04:02:25 (GMT) |
| commit | 448801da96c70699e2ca0798efdfe86d45f37f06 (patch) | |
| tree | babbdb97bfc46fffe4cb0f938c95154b53b22665 /Modules | |
| parent | d69ae758a0606c142c305123dcbad3e3e42d664f (diff) | |
| download | cpython-448801da96c70699e2ca0798efdfe86d45f37f06.zip cpython-448801da96c70699e2ca0798efdfe86d45f37f06.tar.gz cpython-448801da96c70699e2ca0798efdfe86d45f37f06.tar.bz2 | |
bpo-41361: Optimized argument parsing for deque_rotate (GH-24796)
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/_collectionsmodule.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c index 90bafb0..ca63f71 100644 --- a/Modules/_collectionsmodule.c +++ b/Modules/_collectionsmodule.c @@ -880,9 +880,20 @@ deque_rotate(dequeobject *deque, PyObject *const *args, Py_ssize_t nargs) { Py_ssize_t n=1; - if (!_PyArg_ParseStack(args, nargs, "|n:rotate", &n)) { + if (!_PyArg_CheckPositional("deque.rotate", nargs, 0, 1)) { return NULL; } + if (nargs) { + PyObject *index = _PyNumber_Index(args[0]); + if (index == NULL) { + return NULL; + } + n = PyLong_AsSsize_t(index); + Py_DECREF(index); + if (n == -1 && PyErr_Occurred()) { + return NULL; + } + } if (!_deque_rotate(deque, n)) Py_RETURN_NONE; |