On 19 June 2012 19:54, Claudiu Saftoiu <csaft...@gmail.com> wrote: > That is, a function called whenever the object is loaded, that does all the > necessary backwards-compatibility > work right there. It separates the backwards-compat code cleanly, and also > only updates the objects > as-needed... though still a minor performance hit as it does the check each > time the object is loaded. > > Is there a way to do that last option? What's the best practice for this > sort of thing, in general?
You'll need to override ``__new__``. That's your hook. It's called when the database instantiates the object. Note that this is always true for Python. The ``__new__`` method is always called before an object is instantiated. \malthe _______________________________________________ For more information about ZODB, see http://zodb.org/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev
