避免在Django ORM中对同一对象进行多次引用

We have an app with highly interrelated data, i.e. there are many cases where two objects might refer to the same object via a relationship. As far as I can tell, Django does not make any attempt to return a reference to an already-fetched object if you attempt to fetch it via a different, previously unevaluated relationship.We have an app with highly interrelated data, i