How can I create a dict that sets a flag if it's been modified

[Steve Holden]

Paul Rubin wrote:
> sandravandale at yahoo.com writes:
> 
>>Still, I'd love to hear how you guys would do it.
> 
> 
> Make a subclass of dict, or an object containing a dictionary, that
> has a special __setattr__ method that traps updates and sets that

/__setattr__/__setitem__/ ?

regards
  Steve
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