weakref list in python

Question

I\'m in need of a list of weak references that deletes items when they die. Currently the only way I have of doing this is to keep flushing the list (removing dead references ma

Answer 1

Use a callback function passed to second argument of a weakref.

This code should function:

import weakref

class weakRefList(list):

    def addReference(self, obj):
        self._references.append(weakref.proxy(obj, self.remove))