[Grok-dev] Pickling an object stored in the Zodb. How do I skip the __parent__ attribute?

[Jegenye 2001 Bt (Miklós Prisznyák)]

2008/8/14 Sebastian Ware <sebastian at urbantalk.se>

> I am trying to export and import objects from the Zodb using
> cPickle.dumps().
>
> My problem is that the pickler traverses the __parent__ attribute thus
> returning a much larger object graph than I wish to serialize.
>
> Do I have to subclass the pickler or is there som other smart way of
> making it skip the __parent__ attribute?
>


You could  write an adapter  (or modify the class of the content objects
itself) to use __setstate__ and __getstate__ , etc:

http://www.python.org/doc/2.5/lib/node321.html

-- 
Best regards,
   Miklós
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