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🐛 Fix alias support for Pydantic v2 (#1577)

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Co-authored-by: Motov Yurii <109919500+YuriiMotov@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Yurii Motov <yurii.motov.monte@gmail.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
This commit is contained in:
Ravishankar Sivasubramaniam
2025-12-23 14:57:43 -06:00
committed by GitHub
parent 59adbe76a6
commit 5b1d8e6e7d
2 changed files with 318 additions and 33 deletions
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94
sqlmodel/main.py
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@@ -218,6 +218,8 @@ def Field(
*,
default_factory: Optional[NoArgAnyCallable] = None,
alias: Optional[str] = None,
validation_alias: Optional[str] = None,
serialization_alias: Optional[str] = None,
title: Optional[str] = None,
description: Optional[str] = None,
exclude: Union[
@@ -263,6 +265,8 @@ def Field(
*,
default_factory: Optional[NoArgAnyCallable] = None,
alias: Optional[str] = None,
validation_alias: Optional[str] = None,
serialization_alias: Optional[str] = None,
title: Optional[str] = None,
description: Optional[str] = None,
exclude: Union[
@@ -317,6 +321,8 @@ def Field(
*,
default_factory: Optional[NoArgAnyCallable] = None,
alias: Optional[str] = None,
validation_alias: Optional[str] = None,
serialization_alias: Optional[str] = None,
title: Optional[str] = None,
description: Optional[str] = None,
exclude: Union[
@@ -352,6 +358,8 @@ def Field(
*,
default_factory: Optional[NoArgAnyCallable] = None,
alias: Optional[str] = None,
validation_alias: Optional[str] = None,
serialization_alias: Optional[str] = None,
title: Optional[str] = None,
description: Optional[str] = None,
exclude: Union[
@@ -390,43 +398,63 @@ def Field(
schema_extra: Optional[Dict[str, Any]] = None,
) -> Any:
current_schema_extra = schema_extra or {}
# Extract possible alias settings from schema_extra so we can control precedence
schema_validation_alias = current_schema_extra.pop("validation_alias", None)
schema_serialization_alias = current_schema_extra.pop("serialization_alias", None)
field_info_kwargs = {
"alias": alias,
"title": title,
"description": description,
"exclude": exclude,
"include": include,
"const": const,
"gt": gt,
"ge": ge,
"lt": lt,
"le": le,
"multiple_of": multiple_of,
"max_digits": max_digits,
"decimal_places": decimal_places,
"min_items": min_items,
"max_items": max_items,
"unique_items": unique_items,
"min_length": min_length,
"max_length": max_length,
"allow_mutation": allow_mutation,
"regex": regex,
"discriminator": discriminator,
"repr": repr,
"primary_key": primary_key,
"foreign_key": foreign_key,
"ondelete": ondelete,
"unique": unique,
"nullable": nullable,
"index": index,
"sa_type": sa_type,
"sa_column": sa_column,
"sa_column_args": sa_column_args,
"sa_column_kwargs": sa_column_kwargs,
**current_schema_extra,
}
if IS_PYDANTIC_V2:
# explicit params > schema_extra > alias propagation
field_info_kwargs["validation_alias"] = (
validation_alias or schema_validation_alias or alias
)
field_info_kwargs["serialization_alias"] = (
serialization_alias or schema_serialization_alias or alias
)
else:
if validation_alias or schema_validation_alias is not None:
raise RuntimeError("validation_alias is not supported in Pydantic v1")
if serialization_alias or schema_serialization_alias is not None:
raise RuntimeError("serialization_alias is not supported in Pydantic v1")
field_info = FieldInfo(
default,
default_factory=default_factory,
alias=alias,
title=title,
description=description,
exclude=exclude,
include=include,
const=const,
gt=gt,
ge=ge,
lt=lt,
le=le,
multiple_of=multiple_of,
max_digits=max_digits,
decimal_places=decimal_places,
min_items=min_items,
max_items=max_items,
unique_items=unique_items,
min_length=min_length,
max_length=max_length,
allow_mutation=allow_mutation,
regex=regex,
discriminator=discriminator,
repr=repr,
primary_key=primary_key,
foreign_key=foreign_key,
ondelete=ondelete,
unique=unique,
nullable=nullable,
index=index,
sa_type=sa_type,
sa_column=sa_column,
sa_column_args=sa_column_args,
sa_column_kwargs=sa_column_kwargs,
**current_schema_extra,
**field_info_kwargs,
)
post_init_field_info(field_info)
return field_info