typeable.py 文件源码

def _from_typing36(t):
    '''Support for 3.6 version of typing module
    '''

    try:
        origin = t.__origin__
    except AttributeError:
        # not typing.Generic
        return Typeable(typ=t, origin=None, args=[], arity=0)

    # is a base type
    if not origin:
        return Typeable(typ=t, origin=None, args=[], arity=1)

    args = [from_type(t_) for t_ in t.__args__]
    return Typeable(typ=t, origin=from_type(origin), args=args, arity=get_arity(origin, args))