cli.py 文件源码

def docopt_cmd(func):
    def fn(self, arg):
        try:
            if fn.__name__ == "do_pub":
                # Fix for negative numbers
                opt = docopt(fn.__doc__, arg, options_first=True)
            else:
                opt = docopt(fn.__doc__, arg)

        except DocoptExit as e:
            print('Command is invalid. See :')
            print(e)
            return

        except SystemExit:
            # The SystemExit exception prints the usage for --help
            # We do not need to do the print here.
            return

        return func(self, opt)

    fn.__name__ = func.__name__
    fn.__doc__ = func.__doc__
    fn.__dict__.update(func.__dict__)
    return fn