def parse_args(self, args = None, namespace = None,
                   config_file_contents = None, env_vars = os.environ):
        args, argv = self.parse_known_args(args = args,
            namespace = namespace,
            config_file_contents = config_file_contents,
            env_vars = env_vars)
        if argv:
            self.error('unrecognized arguments: %s' % ' '.join(argv))
        return args
Supports all the same args as the ArgumentParser.parse_args(..),
dataset/ETHPy150Open bw2/ConfigArgParse/configargparse.py/ArgumentParser.parse_args