Class IdentityWeakRef

python/pyfory/lib/collection.py:22–35

class IdentityWeakRef(ref):
    __slots__ = "object_id"

    def __init__(self, obj, callback=None):
        super(IdentityWeakRef, self).__init__(obj, callback)
        self.object_id = id(obj)

    def __hash__(self):
        return self.object_id

    def __eq__(self, other):
        if type(other) is not IdentityWeakRef:
            return False
        return self.object_id == other.object_id


class WeakIdentityKeyDictionary(MutableMapping):