cli.py 文件源码

def validate_more_than_one(allow_none=False):
    """
    """

    def validate(ctx, param, value):
        is_valid = False

        if value is None:
            is_valid = allow_none

        elif value > 1:
            is_valid = True

        if not is_valid:
            raise click.BadParameter("invalid choice: {0}. (choose a value greater than 1)".format(value))

        return value

    return validate