Search in google/appengine/ext/db/__init__.py for protobuf functions.

On Jan 16, 9:21 pm, Nickolas Daskalou <[email protected]> wrote:
> Does anyone have an answer for this? Google guys?
>
> 2010/1/15 Kapil Kaisare <[email protected]>
>
>
>
> > As an aside: what is an EntityProto, and is there a link in the GAE
> > documentation for it?
>
> > Regards,
> > Kaisare, Kapil Sadashiv
>
> > On Fri, Jan 15, 2010 at 09:37, Nickolas Daskalou <[email protected]>wrote:
>
> >> How can I convert an EntityProto to a Model instance?
>
> >> I have a Model method, pre_put(), that I want to call on each Model
> >> instance before it's Put into the Datastore, using hooks (eg:
> >>http://code.google.com/appengine/articles/hooks.html).
>
> >> My hook code looks like this:
>
> >> def hook(service, call, request, response):
> >>     assert service == 'datastore_v3'
> >>     if call == 'Put':
> >>         for entity in request.entity_list():
> >>             entity.pre_put()
>
> >> When the hook is called and runs, I get this error:
>
> >> AttributeError: EntityProto instance has no attribute 'pre_put'
>
> >> Is there any way to convert the entities in request.entity_list() to their
> >> original Models, manipulate them, and then convert them back to an
> >> EntityProto instance? Or even better, if the EntityProto instances have
> >> references to the actual Model instances which we can access and 
> >> manipulate?
>
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