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bpo-40397: Refactor typing._GenericAlias #19719

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Merged
serhiy-storchaka merged 8 commits into from
May 7, 2020
Merged

bpo-40397: Refactor typing._GenericAlias #19719

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c692181
bpo-40397: Refactor typing._GenericAlias
serhiy-storchaka Apr 26, 2020
e626caf
Merge branch 'master' into refactor-typing-generic-alias
serhiy-storchaka Apr 26, 2020
f18888a
Merge branch 'master' into refactor-typing-generic-alias
serhiy-storchaka May 2, 2020
26d44c3
Add _UnionGenericAlias.
serhiy-storchaka May 2, 2020
ee37e56
Refactor __getitem__.
serhiy-storchaka May 2, 2020
f1c1e17
Minor refactoring.
serhiy-storchaka May 2, 2020
5431d6d
Refactor __reduce__.
serhiy-storchaka May 2, 2020
f671199
Merge branch 'master' into refactor-typing-generic-alias
serhiy-storchaka May 4, 2020
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bpo-40397: Refactor typing._GenericAlias
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@serhiy-storchaka
serhiy-storchaka committed Apr 26, 2020
commit c6921813eb8539ac3c5381fb118e5bf443677d18
2 changes: 2 additions & 0 deletions Lib/test/test_typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2972,6 +2972,7 @@ class C(Generic[T]): pass
self.assertIs(get_origin(Generic[T]), Generic)
self.assertIs(get_origin(List[Tuple[T, T]][int]), list)
self.assertIs(get_origin(Annotated[T, 'thing']), Annotated)
self.assertIs(get_origin(List), list)

def test_get_args(self):
T = TypeVar('T')
Expand All @@ -2993,6 +2994,7 @@ class C(Generic[T]): pass
self.assertEqual(get_args(Tuple[int, ...]), (int, ...))
self.assertEqual(get_args(Tuple[()]), ((),))
self.assertEqual(get_args(Annotated[T, 'one', 2, ['three']]), (T, 'one', 2, ['three']))
self.assertEqual(get_args(List), (typing.T,))


class CollectionsAbcTests(BaseTestCase):
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