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From: Lele Gaifax <lele@metapensiero.it>
Subject: Re: Creating an object that can track when its attributes are modified
Date: Wed, 06 Mar 2013 17:56:05 +0100
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Xref: csiph.com comp.lang.python:40646

Ben Sizer <kylotan@gmail.com> writes:

> I also believe that this won't catch modification to existing
> attributes as opposed to assignments: eg. if one of the attributes is
> a list and I append to it, this system won't notice. Is that something
> I can rectify easily?

It's really up to how far you wanna go: a similar use case is
implemented by SQLAlchemy__, which "instrument" builtin collection
classes to achieve the goal. But I'd not call that "easy" though :-)

ciao, lele.

__ http://www.sqlalchemy.org/trac/browser/lib/sqlalchemy/orm/collections.py
-- 
nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri
real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia.
lele@metapensiero.it  |                 -- Fortunato Depero, 1929.