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🐛 Fix alias support for Pydantic v2 #1577

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🐛 Fix alias support for Pydantic v2 #1577

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785270a
feat: Add support for Pydantic v2 aliases
ravishan16 Sep 25, 2025
72e8c36
fix: Skip alias tests in Pydantic v1
ravishan16 Sep 25, 2025
15c7954
feat: Add support for Pydantic v2 aliases
ravishan16 Sep 25, 2025
3cc2b1e
fix: Skip alias tests in Pydantic v1
ravishan16 Sep 25, 2025
34d2a45
fix: Add Pydantic v2 alias support with backward compatibility
ravishan16 Sep 25, 2025
6667109
Apply suggestion from @YuriiMotov
ravishan16 Sep 30, 2025
382a52d
fix: move this outside of if..else.. block to avoid duplicati as per …
ravishan16 Sep 30, 2025
d3e761e
fix: Addressed yurii's comments
ravishan16 Sep 30, 2025
e3dbf75
Merge branch 'fastapi:main' into issue-1536-alias-pydantic-v2
ravishan16 Oct 8, 2025
e07a259
Update tests/test_aliases.py
ravishan16 Oct 8, 2025
6b7a0a1
🎨 [pre-commit.ci] Auto format from pre-commit.com hooks
pre-commit-ci[bot] Oct 8, 2025
322c6af
Field: support schema_extra aliases (v2); add alias tests
ravishan16 Oct 9, 2025
6b13381
Field: support schema_extra aliases (v2); add alias tests
ravishan16 Oct 9, 2025
7b2bc2c
compat: drop redundant v2 check in post_init_field_info;
ravishan16 Oct 9, 2025
68b31d7
Simplify alias propagation logic for Pydantic v2
YuriiMotov Oct 9, 2025
9440956
Fix test name and avoid deprecation warnings
YuriiMotov Oct 9, 2025
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fix: Skip alias tests in Pydantic v1
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@ravishan16
ravishan16 committed Sep 25, 2025
commit 72e8c36b914c2aefbb8208a7d3933328663e7506
2 changes: 2 additions & 0 deletions tests/test_aliases.py
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Expand Up @@ -143,12 +143,14 @@ class SQLModelUserV2(SQLModel):
)


@pytest.mark.skipif(not VERSION.startswith("2."), reason="validation_alias and serialization_alias are not supported in Pydantic v1")
@pytest.mark.parametrize("model", [PydanticUserV2, SQLModelUserV2])
def test_create_with_validation_alias(model: Union[Type[PydanticUserV2], Type[SQLModelUserV2]]):
user = model(firstName="John")
assert user.first_name == "John"


@pytest.mark.skipif(not VERSION.startswith("2."), reason="validation_alias and serialization_alias are not supported in Pydantic v1")
@pytest.mark.parametrize("model", [PydanticUserV2, SQLModelUserV2])
def test_serialize_with_serialization_alias(
model: Union[Type[PydanticUserV2], Type[SQLModelUserV2]]
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