def parse_args(self, args=None, namespace=None):
        args, argv = self.parse_known_args(args, namespace)
        if argv:
            msg = _('unrecognized arguments: %s')
            self.error(msg % ' '.join(argv))
        return args
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/argparse/argparse.py/ArgumentParser.parse_args/original