I recently wanted to do the same kind of thing. See this tread:
http://groups.google.com/group/comp.lang.python/browse_thread/thread/f27c3b7950424e1c
for details on how to do it.
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Paul - thank you very much for your help, it was much appreciated. I
thought that this was the kind of thing I had to do.
I also messed around with properties to try and solve this problem,
but noticed a similar thing (ie, that changing a mutable attribute's
element is different to rebinding it):
On Jun 13, 12:00 pm, "Alan J. Salmoni" <[EMAIL PROTECTED]> wrote:
> My question is how can my program be notified of a change to a class
> attribute that is a list?
You can't. But you can replace lists inside your class with a list
that notifies changes.
Something like this:
class NotifyingList(
