> I am trying to use a weak reference to a bound method: > > class MyClass(object): > def myfunc(self): > pass > > o = MyClass() > print o.myfunc > >>>> <bound method MyClass.myfunc of <__main__.MyClass object at 0xc675d0>> > > import weakref > r = weakref.ref(o.myfunc) > print r() > >>>> None > > This is what I do not understand. The object "o" is still alive, and > therefore the bound method "o.myfunc" shall exists. > > Why does the weak reference claim that it is removed? And how can I hold > the reference to the method until the object is removed? >
k = o.myfunc r = weakref.ref(k) print r() >>>>> <weakref at 00B80750; to 'method' at 00B59918 (myfunc)> Don't ask me why! I have just been interested for what you are trying... -- http://mail.python.org/mailman/listinfo/python-list
