>> here's one attempt. (I'm no expert, so wait for better :-)
>>  >>> class ModFlagDict(dict):
>>      def __init__(self, *args, **kwargs):
>>              super(ModFlagDict, self).__init__(*args, **kwargs)
>>              self.modified = False
>>      def __setitem__(self, key, value):
>>              self.modified = True
>>              super(ModFlagDict, self).__setitem__(key, value)

You also need to catch __delitem__.

You may need to catch pop, update, clear and setdefault, depending on
whether or not they call the __setitem__/__delitem__. Personally, I'd
catch them all and make sure the flag got set appropriately, because
whether or not they use those methods is an implementation detail that
may change in the future.

    <mike
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Mike Meyer <[EMAIL PROTECTED]>                  http://www.mired.org/home/mwm/
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