> class Foo(Persistent): > implements(IFooB) > > def setBar(self, bar): > .... > > def getBar(self): > .... > > bar = property(getBar, setBar) > > > of course a subclasser of Foo needs to know that he is subclassing a > Foo and not simply a IFooB, however this is mostly a documentation issue Superb! Thanks.