Method __init__

lib/sqlalchemy/orm/decl_base.py:366–384

(
        self,
        registry: _RegistryType,
        cls_: Type[_O],
        table: Optional[FromClause],
        mapper_kw: _MapperKwArgs,
    )

    __slots__ = ("local_table", "inherits")

    def __init__(
        self,
        registry: _RegistryType,
        cls_: Type[_O],
        table: Optional[FromClause],
        mapper_kw: _MapperKwArgs,
    ):
        super().__init__(registry, cls_)

        self.local_table = self.set_cls_attribute("__table__", table)

        with mapperlib._CONFIGURE_MUTEX:
            clsregistry._add_class(
                self.classname, self.cls, registry._class_registry
            )

            self._setup_inheritance(mapper_kw)

            self._early_mapping(mapper_kw)

    def map(self, mapper_kw: _MapperKwArgs = util.EMPTY_DICT) -> Mapper[Any]:
        mapper_cls = Mapper