utils.py 文件源码

def check_keyword_arguments(func):
    @six.wraps(func)
    def wrapper(**kw):
        obj_type = kw.pop('object_type')
        result = func(**kw)

        extra_args = set(kw) - set(result)
        if extra_args:
            raise exception.InvalidParameterValue(
                _("Unknown keyword arguments (%(extra)s) were passed "
                  "while creating a test %(object_type)s object.") %
                {"extra": ", ".join(extra_args),
                 "object_type": obj_type})

        return result

    return wrapper