[Zope-dev] ZPatterns: Non-ZODB storage and Racks

In Rack.py I noticed the following: a = self.loadAttrib if not a: slot = self._writeableSlot(key) slot[SelfKey] = item.aq_base # strip acquisition wrapping item._setSlot(slot) # Not needed for non-ZODB storage If item._setSlot set is not needed for non-ZODB storage should I subclass rack and override createItem? Roché