Method _recurse_with_dependencies

lib/sqlalchemy/orm/decl_api.py:1436–1453

(
        cls, registries: Set[RegistryType]
    )

    @classmethod
    def _recurse_with_dependencies(
        cls, registries: Set[RegistryType]
    ) -> Iterator[RegistryType]:
        todo = registries
        done = set()
        while todo:
            reg = todo.pop()
            done.add(reg)

            # if yielding would remove dependencies, make sure we have
            # them before
            todo.update(reg._dependencies.difference(done))

            yield reg

            # if yielding would remove dependencies, make sure we have
            # them before
            todo.update(reg._dependencies.difference(done))

    def _mappers_to_configure(self) -> Iterator[Mapper[Any]]:
        return (