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.
>
>
>
>
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--
Best regards,
Adam GROSZER
--
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Him; who seeks Him with all his heart because he knows Him not.
- Nikita Ivanovich Panin
_______________________________________________
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