models.py 文件源码

def q(self):
        rtype = self._instance.condition_resource_cls._meta["collection"]
        ids = set()
        for key, value in self.tags.iteritems():
            query = {
                'owner': self._instance.owner,
                'resource_type': rtype,
                'key': key,
            }
            if value:
                query['value'] = value
            ids |= set(tag.resource.id
                       for tag in Tag.objects(**query).only('resource'))
        return me.Q(id__in=ids)