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Dataclass transform typing extension without Final support

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This commit is contained in:
Eric Masseran
2025-03-18 00:59:27 +01:00
parent e20c3c955f
commit e49032ed6b
1 changed files with 12 additions and 4 deletions
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16
test/test_inference/test_signature.py
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@@ -563,18 +563,26 @@ ids = [
'start, start_params, include_params', dataclass_transform_cases, ids=ids 'start, start_params, include_params', dataclass_transform_cases, ids=ids
) )
def test_extensions_dataclass_transform_signature( def test_extensions_dataclass_transform_signature(
Script, skip_pre_python37, start, start_params, include_params Script, skip_pre_python37, start, start_params, include_params, environment
): ):
has_typing_ext = bool(Script('import typing_extensions').infer()) has_typing_ext = bool(Script('import typing_extensions').infer())
if not has_typing_ext: if not has_typing_ext:
raise pytest.skip("typing_extensions needed in target environment to run this test") raise pytest.skip("typing_extensions needed in target environment to run this test")
if environment.version_info < (3, 8):
# Final is not yet supported
price_type = "float"
price_type_infer = "float"
else:
price_type = "Final[float]"
price_type_infer = "object"
code = dedent( code = dedent(
""" f"""
name: str name: str
foo = 3 foo = 3
blob: ClassVar[str] blob: ClassVar[str]
price: Final[float] price: {price_type}
quantity: int = 0.0 quantity: int = 0.0
X(""" X("""
@@ -599,7 +607,7 @@ def test_extensions_dataclass_transform_signature(
quantity, = sig.params[-1].infer() quantity, = sig.params[-1].infer()
assert quantity.name == 'int' assert quantity.name == 'int'
price, = sig.params[-2].infer() price, = sig.params[-2].infer()
assert price.name == 'object' assert price.name == price_type_infer
@pytest.mark.parametrize( @pytest.mark.parametrize(