💚 Fix linting in CI (#1340)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

.github/workflows/test.yml

@@ -67,7 +67,7 @@ jobs:
         if: matrix.pydantic-version == 'pydantic-v2'
         run: uv pip install --upgrade "pydantic>=2.0.2,<3.0.0"
       - name: Lint
-        if: matrix.pydantic-version == 'pydantic-v2'
+        if: matrix.pydantic-version == 'pydantic-v2' && matrix.python-version != '3.8'
         run: bash scripts/lint.sh
       - run: mkdir coverage
       - name: Test

sqlmodel/_compat.py

@@ -103,7 +103,14 @@ if IS_PYDANTIC_V2:
         model.model_config[parameter] = value  # type: ignore[literal-required]
 
     def get_model_fields(model: InstanceOrType[BaseModel]) -> Dict[str, "FieldInfo"]:
-        return model.model_fields
+        # TODO: refactor the usage of this function to always pass the class
+        # not the instance, and then remove this extra check
+        # this is for compatibility with Pydantic v3
+        if isinstance(model, type):
+            use_model = model
+        else:
+            use_model = model.__class__
+        return use_model.model_fields
 
     def get_fields_set(
         object: InstanceOrType["SQLModel"],

sqlmodel/main.py

@@ -477,7 +477,7 @@ def Relationship(
 class SQLModelMetaclass(ModelMetaclass, DeclarativeMeta):
     __sqlmodel_relationships__: Dict[str, RelationshipInfo]
     model_config: SQLModelConfig
-    model_fields: Dict[str, FieldInfo]  # type: ignore[assignment]
+    model_fields: ClassVar[Dict[str, FieldInfo]]
     __config__: Type[SQLModelConfig]
     __fields__: Dict[str, ModelField]  # type: ignore[assignment]
 
@@ -839,7 +839,7 @@ class SQLModel(BaseModel, metaclass=SQLModelMetaclass, registry=default_registry
         return cls.__name__.lower()
 
     @classmethod
-    def model_validate(
+    def model_validate(  # type: ignore[override]
         cls: Type[_TSQLModel],
         obj: Any,
         *,
@@ -863,20 +863,25 @@ class SQLModel(BaseModel, metaclass=SQLModelMetaclass, registry=default_registry
         mode: Union[Literal["json", "python"], str] = "python",
         include: Union[IncEx, None] = None,
         exclude: Union[IncEx, None] = None,
-        context: Union[Dict[str, Any], None] = None,
+        context: Union[Any, None] = None,
-        by_alias: bool = False,
+        by_alias: Union[bool, None] = None,
         exclude_unset: bool = False,
         exclude_defaults: bool = False,
         exclude_none: bool = False,
         round_trip: bool = False,
         warnings: Union[bool, Literal["none", "warn", "error"]] = True,
+        fallback: Union[Callable[[Any], Any], None] = None,
         serialize_as_any: bool = False,
     ) -> Dict[str, Any]:
+        if PYDANTIC_MINOR_VERSION < (2, 11):
+            by_alias = by_alias or False
         if PYDANTIC_MINOR_VERSION >= (2, 7):
             extra_kwargs: Dict[str, Any] = {
                 "context": context,
                 "serialize_as_any": serialize_as_any,
             }
+        if PYDANTIC_MINOR_VERSION >= (2, 11):
+            extra_kwargs["fallback"] = fallback
         else:
             extra_kwargs = {}
         if IS_PYDANTIC_V2:
@@ -896,7 +901,7 @@ class SQLModel(BaseModel, metaclass=SQLModelMetaclass, registry=default_registry
             return super().dict(
                 include=include,
                 exclude=exclude,
-                by_alias=by_alias,
+                by_alias=by_alias or False,
                 exclude_unset=exclude_unset,
                 exclude_defaults=exclude_defaults,
                 exclude_none=exclude_none,