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fix case Any() #14479

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merged 2 commits into from
Sep 2, 2023
Merged

fix case Any() #14479

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de4571c
fix case Any()
ds-cbo Jan 20, 2023
875aa91
Merge branch 'master' into fix-any-case
ds-cbo Mar 16, 2023
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6 changes: 6 additions & 0 deletions mypy/checkpattern.py
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Original file line number Diff line number Diff line change
Expand Up @@ -457,6 +457,12 @@ def visit_class_pattern(self, o: ClassPattern) -> PatternType:
typ: Type = Instance(type_info, [any_type] * len(type_info.defn.type_vars))
elif isinstance(type_info, TypeAlias):
typ = type_info.target
elif (
isinstance(type_info, Var)
and type_info.type is not None
and isinstance(get_proper_type(type_info.type), AnyType)
):
typ = type_info.type
else:
if isinstance(type_info, Var):
name = str(type_info.type)
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10 changes: 10 additions & 0 deletions test-data/unit/check-python310.test
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Expand Up @@ -896,6 +896,16 @@ match m:
reveal_type(i)
reveal_type(j)

[case testMatchClassPatternAny]
from typing import Any

Foo: Any
m: object

match m:
case Foo():
pass

[case testMatchClassPatternNestedGenerics]
# From cpython test_patma.py
x = [[{0: 0}]]
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