Hi Janne,
2009/10/12 Janne Hukkinen <h...@sci.fi>:
> While learning python + django + app engine + datastore, I started by
> desiging models and used extensicely PolyModel class. It's a great way
> to abstract common fields. However, it seems that a) PolyModel is
> datastore specific and b) djangoforms therein doesn't suppor it. Am I
> correct?
I have played with DjangoForms using PolyModels recently and yes, they
are supported. It all works just as well as with normal Models.
One gotcha I did find however was that at first I couldn't figure out
how to tell Django not to output the 'class' hierarchy on the form
(since that is set inside the PolyModel base class and not by the
user). I tried to hide 'class' and '__class' but figured out it was
just one underscore '_class'. The code I used was as follows:
class MyPolyModelForm(djangoforms.ModelForm):
class Meta:
model = MyPolyModel
exclude = ['_class']
Hope that helps.
Note: See this article for more information about models and forms:
http://code.google.com/appengine/articles/djangoforms.html
Cheers,
Andy
--
contact: Andrew Chilton
website: http://www.chilts.org/
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