_cli.py 文件源码

def _globals(command):
    def proxy(verbose, alwaysprompt, neverprompt, **kwargs):
        # handle these global options
        setverbose(verbose)
        if alwaysprompt:
            if neverprompt:
                raise UsageError("--alwaysprompt and --neverprompt options"
                                 " cannot be used together")
            setwantprompt(PROMPT_ALWAYS)
        elif neverprompt:
            setwantprompt(PROMPT_NEVER)
        # pass all other arguments on to the command
        command(**kwargs)
    proxy.__name__ = command.__name__
    proxy.__doc__ = command.__doc__
    proxy = option('-a', '--alwaysprompt', is_flag=True,
                   help="Always prompt the user to answer questions, even"
                   " named questions that they have answered on previous runs"
                   )(proxy)
    proxy = option('-n', '--neverprompt', is_flag=True,
                   help="Never prompt the user to answer questions. Questions"
                   " will be answered automatically using the user's previous"
                   " answer or the `noprompt` value.")(proxy)
    proxy = option('-v', '--verbose', 'verbose', is_flag=True,
                   help="Produce extra output")(proxy)
    return proxy