util.py 文件源码

def argument_list(cls, name):
        """
        A `click.argument` decorator that accepts zero or more command-line
        arguments and converts them all to instances of the class.  If
        `default_params` is not `None`, an empty argument list will be
        defaulted to the resource type's default value.
        """
        if cls.default_params is not None:
            def callback(ctx, param, value):
                return value or [cls.default(ctx.obj)]
        else:
            callback = None
        return click.argument(
            name,
            type=ResourceParamType(cls),
            nargs=-1,
            callback=callback,
        )