[BlueBream] [Zope-dev] Referring to same interface using zope.schema.Object

Robert Niederreiter rnix at squarewave.at
Fri Jul 22 09:30:43 EDT 2011


Hi,

On 22.07.2011 12:59, Joe Steeve wrote:
> Hello,
>
> I am trying to construct an object tree.
Take a look at http://pypi.python.org/pypi/node
This is probably what you need.

Regards, Robert

>   Every node in the tree is of
> the same type. I am trying to achieve something like:
>
>          class INode(Interface):
>
>              parent = Object(
>                  title=u"Parent node",
>                  schema=INode
>                  )
>
>              children = List(
>                  title=u'Child nodes',
>                  value_type=Object(schema=INode)
>                  )
>
> The above fails with "NameError: name 'INode' is not defined". Any clues
> as to how to solve this?
>
> Regards,
> Joe
>
>
>
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-- 
Robert Niederreiter

Squarewave Computing
Aflingerstraße 19
A-6176 Völs
Tel: +43 699 160 20 192
Web: http://www.squarewave.at

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