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| author | Serhiy Storchaka <storchaka@gmail.com> | 2020-04-27 07:27:21 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-27 07:27:21 (GMT) |
| commit | 6292be7adf247589bbf03524f8883cb4cb61f3e9 (patch) | |
| tree | 491a02064847cb3158bd029e178486b42bbc23e7 /Lib/typing.py | |
| parent | caf1aadf3d020f742ba3d7fcf678ca700224914b (diff) | |
| download | cpython-6292be7adf247589bbf03524f8883cb4cb61f3e9.zip cpython-6292be7adf247589bbf03524f8883cb4cb61f3e9.tar.gz cpython-6292be7adf247589bbf03524f8883cb4cb61f3e9.tar.bz2 | |
bpo-40398: Fix typing.get_args() for special generic aliases. (GH-19720)
Diffstat (limited to 'Lib/typing.py')
| -rw-r--r-- | Lib/typing.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/typing.py b/Lib/typing.py index 1aefcb8..c829898 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -1420,11 +1420,13 @@ def get_args(tp): """ if isinstance(tp, _AnnotatedAlias): return (tp.__origin__,) + tp.__metadata__ - if isinstance(tp, (_GenericAlias, GenericAlias)): + if isinstance(tp, _GenericAlias) and not tp._special: res = tp.__args__ if tp.__origin__ is collections.abc.Callable and res[0] is not Ellipsis: res = (list(res[:-1]), res[-1]) return res + if isinstance(tp, GenericAlias): + return tp.__args__ return () |