Проверка 09.02.2025

venv/Lib/site-packages/pydantic/_internal/_model_construction.py

@@ -11,7 +11,7 @@ import weakref
 from abc import ABCMeta
 from functools import lru_cache, partial
 from types import FunctionType
-from typing import Any, Callable, Generic, Literal, NoReturn, TypeVar, cast
+from typing import Any, Callable, Generic, Literal, NoReturn, cast
 
 from pydantic_core import PydanticUndefined, SchemaSerializer
 from typing_extensions import TypeAliasType, dataclass_transform, deprecated, get_args
@@ -131,8 +131,6 @@ class ModelMetaclass(ABCMeta):
 
             namespace['__class_vars__'] = class_vars
             namespace['__private_attributes__'] = {**base_private_attributes, **private_attributes}
-            if __pydantic_generic_metadata__:
-                namespace['__pydantic_generic_metadata__'] = __pydantic_generic_metadata__
 
             cls = cast('type[BaseModel]', super().__new__(mcs, cls_name, bases, namespace, **kwargs))
             BaseModel_ = import_cached_base_model()
@@ -255,60 +253,6 @@ class ModelMetaclass(ABCMeta):
             namespace.get('__annotations__', {}).clear()
             return super().__new__(mcs, cls_name, bases, namespace, **kwargs)
 
-    def mro(cls) -> list[type[Any]]:
-        original_mro = super().mro()
-
-        if cls.__bases__ == (object,):
-            return original_mro
-
-        generic_metadata: PydanticGenericMetadata | None = cls.__dict__.get('__pydantic_generic_metadata__')
-        if not generic_metadata:
-            return original_mro
-
-        assert_err_msg = 'Unexpected error occurred when generating MRO of generic subclass. Please report this issue on GitHub: https://github.com/pydantic/pydantic/issues.'
-
-        origin: type[BaseModel] | None
-        origin, args = (
-            generic_metadata['origin'],
-            generic_metadata['args'],
-        )
-        if not origin:
-            return original_mro
-
-        target_params = origin.__pydantic_generic_metadata__['parameters']
-        param_dict = dict(zip(target_params, args))
-
-        indexed_origins = {origin}
-
-        new_mro: list[type[Any]] = [cls]
-        for base in original_mro[1:]:
-            base_origin: type[BaseModel] | None = getattr(base, '__pydantic_generic_metadata__', {}).get('origin')
-            base_params: tuple[TypeVar, ...] = getattr(base, '__pydantic_generic_metadata__', {}).get('parameters', ())
-
-            if base_origin in indexed_origins:
-                continue
-            elif base not in indexed_origins and base_params:
-                assert set(base_params) <= param_dict.keys(), assert_err_msg
-                new_base_args = tuple(param_dict[param] for param in base_params)
-                new_base = base[new_base_args]  # type: ignore
-                new_mro.append(new_base)
-
-                indexed_origins.add(base_origin or base)
-
-                if base_origin is not None:
-                    # dropped previous indexed origins
-                    continue
-            else:
-                indexed_origins.add(base_origin or base)
-
-            # Avoid redundunt case such as
-            # class A(BaseModel, Generic[T]): ...
-            # A[T] is A  # True
-            if base is not new_mro[-1]:
-                new_mro.append(base)
-
-        return new_mro
-
     if not typing.TYPE_CHECKING:  # pragma: no branch
         # We put `__getattr__` in a non-TYPE_CHECKING block because otherwise, mypy allows arbitrary attribute access