Nick,
Are you using something like appengine-patch or appengine_django to write
your application?
On Sat, May 30, 2009 at 3:49 AM, Nick Johnson (Google) <
nick.john...@google.com> wrote:
>
> Hi roderic,
>
> You can't use a an App Engine datastore ReferenceProperty to refer to
> a Django model instance.
>
> -Nick Johnson
>
> On Wed, May 27, 2009 at 12:51 PM, roderic <rode...@gmail.com> wrote:
> >
> > Hello,
> > The problem that I'm having is that my cron job seems to break on the
> > import of my models. The traceback looks like this:
> >
> > <class 'google.appengine.ext.db.KindError'>: reference_class must be
> > Model or _SELF_REFERENCE
> > Traceback (most recent call last):
> > File "/base/data/home/apps/rcapp01/1.333786861669922384/cron.py",
> > line 1, in <module>
> > from callme.models import CAction
> > File "/base/data/home/apps/rcapp01/1.333786861669922384/callme/
> > models.py", line 9, in <module>
> > class CUser(db.Model):
> > File "/base/data/home/apps/rcapp01/1.333786861669922384/callme/
> > models.py", line 11, in CUser
> > user = db.ReferenceProperty(User)
> > File "/base/python_lib/versions/1/google/appengine/ext/db/
> > __init__.py", line 2577, in __init__
> > raise KindError('reference_class must be Model or
> > _SELF_REFERENCE')
> >
> > The code in question deals with the ReferenceProperty that I am using
> > to extend the basic django user. The code for that looks like this:
> >
> > from google.appengine.ext import db
> > from django.contrib.auth.models import User
> >
> > # Create your models here.
> > class CUser(db.Model):
> > user = db.ReferenceProperty(User)
> >
> > I don't seem to have much problem interacting with the profile through
> > the web requests, but when the cron job tries to run it blows up. I am
> > not going to include the cron job as you can see that the traceback
> > happens on the import.
> >
> > Any thoughts on this? Why would the cron job be blowing up on import?
> > Have I set something up wrong? The development environment doesn't
> > seem to blow up when this happens.
> >
> > Thanks in advance.
> >
> > >
>
> >
>
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