Hello, You forgot to paste interfaces.IMyObject definition.
On Tue, 23 Aug 2011 13:16:24 +0530 you wrote: > > Hello all, > While trying to get the length of zope.schema.List field in a view > (like this: len(self.context.list_field) I get the following error > > ForbiddenAttribute: ('__len__', []) > > Even though my zcml configuration for that class is defined as below > > <class class=".app.MyObject"> > > <require > permission="zope.Public" > interface=".interfaces.IMyObject" > /> > > <require > permission="zope.Public" > set_schema=".interfaces.IMyObject" > /> > </class> > > I still get the above error. To circumvent this issue, I added a method > in the interface like say 'getListSize()' which has the following > implementation > > class MyObject(persistent.Persistent): > implements(IMyObject) > > name = u'' > list_field = PersistentList() > ... > > def getListSize(self): > return len(self.list_field) > > This solves my issue. However, I am curious to know whether is this the > only solution available to the above issue. Am I going in the right > direction? > > Please guide me. > > > > > _______________________________________________ > Zope-Dev maillist - Zope-Dev@zope.org > https://mail.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > https://mail.zope.org/mailman/listinfo/zope-announce > https://mail.zope.org/mailman/listinfo/zope ) -- Best regards, Adam GROSZER -- Quote of the day: Two men please God: who serves Him with all his heart because he knows Him; who seeks Him with all his heart because he knows Him not. - Nikita Ivanovich Panin _______________________________________________ Zope-Dev maillist - Zope-Dev@zope.org https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )