Hello, Thanks for the advices on the generation script, but I think the problem lies in that the broken object is loaded fine but cannot be written back again to ZODB. Or do I misunderstand that broken is a sort of proxy for the missing class that allows it to be around?
Wednesday, November 5, 2008, 11:31:21 AM, you wrote: LR> Broken objects occur when the class for a pickled object cannot be LR> imported. To change the location of a class, you need to provide an LR> alias at the old location so that the object can be unpickled, i.e. LR> MyOldClassName = MyNewClassName. You can only remove MyOldClassName LR> after you have updated all of the pickles (with your code below). LR> Laurence LR> Adam GROSZER wrote: >> Hello, >> >> I'm having a problem with broken objects here. >> It's coming when I'm trying to evolve generations and the generation >> just touches all objects in the ZODB to store them again with the >> non-deprecated classes. >> >> The code is like this: >> storage = context.connection._storage >> >> next_oid = None >> n = 0 >> while True: >> oid, tid, data, next_oid = storage.record_iternext(next_oid) >> >> obj = context.connection.get(oid) >> # Make sure that we tell all objects that they have been changed. Who >> # cares whether it is true! :-) >> obj._p_activate() >> obj._p_changed = True >> >> if next_oid is None: >> break >> >> >> 2008-11-04T19:40:16 ERROR SiteError >> http://localhost:8080/++etc++process/@@generations.html >> Traceback (most recent call last): >> File "F:\W\Zope3\src\zope\publisher\publish.py", line 133, in publish >> result = publication.callObject(request, obj) >> ... >> File "F:\W\Zope3\src\zope\tal\talinterpreter.py", line 343, in interpret >> handlers[opcode](self, args) >> File "F:\W\Zope3\src\zope\tal\talinterpreter.py", line 583, in >> do_setLocal_tal >> self.engine.setLocal(name, self.engine.evaluateValue(expr)) >> File "F:\W\Zope3\src\zope\tales\tales.py", line 696, in evaluate >> return expression(self) >> File "F:\W\Zope3\src\zope\tales\expressions.py", line 217, in __call__ >> return self._eval(econtext) >> File "F:\W\Zope3\src\zope\tales\expressions.py", line 211, in _eval >> return ob() >> File "F:\W\Zope3\src\zope\app\generations\browser\managers.py", line 182, >> in evolve >> transaction.commit() >> File "F:\W\Zope3\src\transaction\_manager.py", line 93, in commit >> return self.get().commit() >> File "F:\W\Zope3\src\transaction\_transaction.py", line 322, in commit >> self._commitResources() >> File "F:\W\Zope3\src\transaction\_transaction.py", line 416, in >> _commitResources >> rm.commit(self) >> File "F:\W\Zope3\src\ZODB\Connection.py", line 541, in commit >> self._commit(transaction) >> File "F:\W\Zope3\src\ZODB\Connection.py", line 586, in _commit >> self._store_objects(ObjectWriter(obj), transaction) >> File "F:\W\Zope3\src\ZODB\Connection.py", line 620, in _store_objects >> p = writer.serialize(obj) # This calls __getstate__ of obj >> File "F:\W\Zope3\src\ZODB\serialize.py", line 405, in serialize >> meta = klass, newargs() >> File "F:\W\Zope3\src\ZODB\broken.py", line 325, in __getnewargs__ >> return self.__Broken_newargs__ >> AttributeError: 'VocabularyManager' object has no attribute >> '__Broken_newargs__' >> >> LR> _______________________________________________ LR> For more information about ZODB, see the ZODB Wiki: LR> http://www.zope.org/Wikis/ZODB/ LR> ZODB-Dev mailing list - ZODB-Dev@zope.org LR> http://mail.zope.org/mailman/listinfo/zodb-dev -- Best regards, Adam GROSZER mailto:[EMAIL PROTECTED] -- Quote of the day: Every absurdity has a champion who will defend it. _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev
