Function _mapped_collection_cls

lib/sqlalchemy/orm/mapped_collection.py:513–524

(
    keyfunc: Callable[[Any], Any], ignore_unpopulated_attribute: bool
)

def _mapped_collection_cls(
    keyfunc: Callable[[Any], Any], ignore_unpopulated_attribute: bool
) -> Type[KeyFuncDict[_KT, _KT]]:
    class _MKeyfuncMapped(KeyFuncDict[_KT, _KT]):
        def __init__(self, *dict_args: Any) -> None:
            super().__init__(
                keyfunc,
                *dict_args,
                ignore_unpopulated_attribute=ignore_unpopulated_attribute,
            )

    return _MKeyfuncMapped


MappedCollection = KeyFuncDict