Method load_attrs

lib/sqlalchemy/ext/mutable.py:529–535

(
            state: InstanceState[_O],
            ctx: Union[object, QueryContext, UOWTransaction],
            attrs: Iterable[Any],
        )

                val._parents[state] = key

        def load_attrs(
            state: InstanceState[_O],
            ctx: Union[object, QueryContext, UOWTransaction],
            attrs: Iterable[Any],
        ) -> None:
            if not attrs or listen_keys.intersection(attrs):
                load(state)

        def set_(
            target: InstanceState[_O],