On Mon, Aug 16, 2010 at 2:04 PM, Pedro Ferreira <jose.pedro.ferre...@cern.ch> wrote: > I think implementing a stable hash function for your type could make > this work though. > > From what I read, ZODB doesn't use hash functions, relying on __cmp__ > instead. So, I guess I should make my class non-persistent and implement a > __cmp__ function for it...
Right, implementing __cmp__ or all of the rich compare functions would be best. The __hash__ is just used as the default backend for __cmp__ of object. It's probably better to not rely on that indirection and implement compare directly. Hanno _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev
