Ok, that's what I thought. How can I fix the problem? I think I can
create an IFosterSourceContainer interface and have the constraint
there. Then I would have to implement that interface for FosterRecord.
Would that work? Also, is there any other/better way to do it?
--
Rob Campbell
Philipp von Weitershausen wrote:
Rob Campbell wrote:
Hi Darryl,
That is how I had the IFosterRecord interface before, and I got a lot
more errors than just __setitem__. I am only getting the __setitem__
error now, after changing it to something like:
class IFosterRecord(Interface):
contains('.IFosterSource')
title = TextLine(...)
and the implementation is:
class FosterRecord(BTreeContainer):
implements(IFosterRecord)
title = FieldProperty(IFosterRecord['title'])
I think the problem is coming from contains().
Yup. contains() adds a __setitem__ method to the interface.
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