def is_many(self) -> bool:
origin = get_origin(self.type_obj)
return isinstance(
origin, type) and (issubclass(origin, collections.abc.Container)
or issubclass(origin, collections.abc.Iterable)
or issubclass(origin, collections.abc.Sized))
def is_nullable(self) -> bool:
return get_origin(self.type_obj) is Union and type(None) in get_args(
self.type_obj)
def test_get_origin(tp):
assert _get_args is not get_origin
assert _get_origin(tp) == get_origin(tp)