On Sun, Sep 27, 2009 at 5:36 AM, Steven D'Aprano < st...@remove-this-cybersource.com.au> wrote:
> I'm pretty sure the answer to this is No, but I thought I'd ask just in > case... > > Is there a fast way to see that a dict has been modified? I don't care > what the modifications are, I just want to know if it has been changed, > where "changed" means a key has been added, or deleted, or a value has > been set. (Modifications to mutable values aren't important.) In other > words, any of these methods count as modifying the dict: > > __setitem__ > __delitem__ > clear > pop > popitem > setdefault > update > > Of course I can subclass dict to do this, but if there's an existing way, > that would be better. > d1 = {"a": "b", "c": "d"} d2 = d1.copy() assert d1 == d2 d2["e"] = "f" assert d1 == d2 Is that what you're looking for? Geremy Condra
-- http://mail.python.org/mailman/listinfo/python-list