_utils.py 文件源码

def ex_args(cls, f):
        c = f.func_code
        varnames_count, varnames_iter = c.co_argcount, iter(c.co_varnames)
        args = tuple(itertools.islice(varnames_iter, varnames_count))
        res = { a : v for v,a in zip(reversed(f.func_defaults or []), reversed(args)) }
        try: starargs = next(varnames_iter) if c.co_flags & cls.CO_VARARGS else ""
        except StopIteration: starargs = ""
        try: kwdargs = next(varnames_iter) if c.co_flags & cls.CO_VARKEYWORDS else ""
        except StopIteration: kwdargs = ""
        return args, res, (starargs, kwdargs)