shell_completion.py 文件源码

def shell_complete_option(f):
    def callback(ctx, param, value):
        if not value or ctx.resilient_parsing:
            return

        if value == 'BASH':
            do_bash_complete()
        elif value == 'ZSH':
            do_zsh_complete()
        else:
            raise ValueError('Unsupported shell completion')

        click.get_current_context().exit(0)

    f = click.option('--shell-complete', cls=HiddenOption,
                     is_eager=True, expose_value=False,
                     type=click.Choice(SUPPORTED_SHELLS),
                     callback=callback)(f)
    return f