[Grok-dev] Containment Contraints

[Jeroen Michiel]

Souheil CHELFOUH wrote:
> 
> Constaints like that are defined on the interface and the interfaces
> are not grokked
> 

Aha, I see...
I tried with zope.containers.constraints, but this seems to break something
in the generation of add forms...
I didn't have time to really debug, but if you make an IFooContainer and an
IFoo with some schema attirbutes, and apply appropriate constraints, I had
problems rendering a Grok.AddForm for IFoo. Something about an IInputWidget
that couldn't be found. Is it because the form rendering tries to find a
widget for the 'containers' statement somehow?

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