是否有一种简单的方法来区分哪些url是未使用的?

I have a Django project which is entering its fourth year of development. Over those four years, a number of URLs (and therefore view functions) have become obsolete. Instead of deleting them as I go, I've left them in a "just in case" attitude. Now I'm looking to clean out the unused URLs and unused view functions. I have a Django project which is entering its f