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GH-103699: Add __orig_bases__ to various typing classes #103698

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Merged
AlexWaygood merged 11 commits into from
Apr 23, 2023
Merged

GH-103699: Add __orig_bases__ to various typing classes #103698

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7a81c98
Add `__orig_bases__` to non-generic TypedDict
adriangb Apr 22, 2023
270cadf
📜🤖 Added by blurb_it.
blurb-it[bot] Apr 22, 2023
29b643d
Use double backticks
adriangb Apr 22, 2023
4037df1
remove whitespace
AlexWaygood Apr 22, 2023
19569f9
add more test cases
adriangb Apr 23, 2023
b777373
one more test
adriangb Apr 23, 2023
4c9ee8c
Make call-based NamedTuples behave like call-based TypedDicts
adriangb Apr 23, 2023
7224ddd
Add (failing) tests
adriangb Apr 23, 2023
631d428
More tests
adriangb Apr 23, 2023
58701ac
Update Misc/NEWS.d/next/Library/2023-04-22-22-37-39.gh-issue-103699.N…
adriangb Apr 23, 2023
3fe75eb
Update Misc/NEWS.d/next/Library/2023-04-22-22-37-39.gh-issue-103699.N…
adriangb Apr 23, 2023
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Add (failing) tests
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@adriangb
adriangb committed Apr 23, 2023
commit 7224ddd2ed79f0d8cbdcf18e3b0444fa3319abab
40 changes: 40 additions & 0 deletions Lib/test/test_typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6695,6 +6695,46 @@ def test_copy_and_pickle(self):
self.assertEqual(jane2, jane)
self.assertIsInstance(jane2, cls)

def test_orig_bases(self):
T = TypeVar('T')

class Parent(NamedTuple):
pass

class Child(Parent):
pass

class OtherChild(Parent):
pass

class MixedChild(Child, OtherChild, Parent):
pass

class GenericParent(NamedTuple, Generic[T]):
pass

class GenericChild(GenericParent[int]):
pass

class OtherGenericChild(GenericParent[str]):
pass

class MixedGenericChild(GenericChild, OtherGenericChild, GenericParent[float]):
pass

class MultipleGenericBases(GenericParent[int], GenericParent[float]):
pass

self.assertEqual(Parent.__orig_bases__, (NamedTuple,))
self.assertEqual(Child.__orig_bases__, (Parent,))
self.assertEqual(OtherChild.__orig_bases__, (Parent,))
self.assertEqual(MixedChild.__orig_bases__, (Child, OtherChild, Parent,))
self.assertEqual(GenericParent.__orig_bases__, (NamedTuple, Generic[T]))
self.assertEqual(GenericChild.__orig_bases__, (GenericParent[int],))
self.assertEqual(OtherGenericChild.__orig_bases__, (GenericParent[str],))
self.assertEqual(MixedGenericChild.__orig_bases__, (GenericChild, OtherGenericChild, GenericParent[float]))
self.assertEqual(MultipleGenericBases.__orig_bases__, (GenericParent[int], GenericParent[float]))


class TypedDictTests(BaseTestCase):
def test_basics_functional_syntax(self):
Expand Down