def get_parameters()

in azure/functions/_thirdparty/typing_inspect.py [0:0]

• 13 lines of code
• 11 McCabe index (conditional complexity)

def get_parameters(tp):
    """Return type parameters of a parameterizable type as a tuple
    in lexicographic order. Parameterizable types are generic types,
    unions, tuple types and callable types. Examples::

        get_parameters(int) == ()
        get_parameters(Generic) == ()
        get_parameters(Union) == ()
        get_parameters(List[int]) == ()

        get_parameters(Generic[T]) == (T,)
        get_parameters(Tuple[List[T], List[S_co]]) == (T, S_co)
        get_parameters(Union[S_co, Tuple[T, T]][int, U]) == (U,)
        get_parameters(Mapping[T, Tuple[S_co, T]]) == (T, S_co)
    """
    if NEW_TYPING:
        if (isinstance(tp, _GenericAlias) or
            isinstance(tp, type) and issubclass(tp, Generic) and
            tp is not Generic):
            return tp.__parameters__
        return ()
    if (
        is_generic_type(tp) or is_union_type(tp) or
        is_callable_type(tp) or is_tuple_type(tp)
    ):
        return tp.__parameters__ if tp.__parameters__ is not None else ()
    return ()