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gh-150700: Fix class-scope inline comprehensions when nested scopes reference __class__ and friends #150735

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Merged
carljm merged 7 commits into from
Jun 9, 2026
Merged

gh-150700: Fix class-scope inline comprehensions when nested scopes reference __class__ and friends #150735

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43d91fd
Fix class-scope inline comprehensions when nested scopes reference `_…
johnslavik Jun 1, 2026
6e4dec5
Merge branch 'main' into gh-150700-class-scope-comprehension-with-lam…
johnslavik Jun 1, 2026
903f916
Fix tests
johnslavik Jun 1, 2026
e2547b8
Fix typo
johnslavik Jun 1, 2026
633c54c
Fix formatting
johnslavik Jun 1, 2026
beac186
Add test checking validity of `__class__` returned
johnslavik Jun 9, 2026
68ee580
Prefer 'used' to 'deferred'
johnslavik Jun 9, 2026
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Add test checking validity of __class__ returned
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@johnslavik
johnslavik committed Jun 9, 2026
commit beac186ab0b9c74ad86db7ad3a49cb7eb94ddd29
7 changes: 6 additions & 1 deletion Lib/test/test_listcomps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,10 +173,15 @@ def test_references___class__(self):

def test_references___class___nested(self):
code = """
res = [lambda: __class__ for _ in [1]]
res = [(lambda: __class__)() for _ in [1]]
"""
self._check_in_scopes(code, raises=NameError)

def test_references___class___nested_deferred(self):
class _C:
res = [lambda: __class__ for _ in [1]]
self.assertIs(_C.res[0](), _C)

def test_references___class___defined(self):
code = """
__class__ = 2
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