On Wed, Mar 3, 2010 at 12:46 AM, Jim N <jim.nach...@gmail.com> wrote:
> Hi,
>
> I am writing a question-and-answer app which serializes data in JSON.
> I have Question, User, and Asking models. Asking is the many-to-many
> relationship table for Question and User, because the Asking
> relationship may be more complicated than it seems. (Several users
> may ask, and re-ask the same question, and I need to store when the
> question was asked, whether the asker is primary or secondary, publish
> date for the question, etc.)
>
> The problem comes when I serialize a Question. I want to get the User
> information in the serialized object.
>
> Models:
>
> class User(models.Model):
> alternate_id = models.CharField(max_length=200, null=True)
> identifier = models.CharField(max_length=200, null=True)
>
> class Asking(models.Model):
> user = models.ForeignKey(User)
> question = models.ForeignKey(Question)
> is_primary_asker = models.BooleanField()
>
> class Question(models.Model):
> text = models.TextField()
> user = models.ManyToManyField('User', through='Asking', null=True)
>
> In the view:
>
> questions = Question.objects.filter(**filters)
> return serializers.serialize("json", questions)
>
> That's not giving me anything but a user Id.
>
> I looked at natural keys, but I'm using Django 1.1.1.
>
> Thanks for any suggestions.
The short answer is you can't - at least, not out of the box. This is
a feature that has been proposed several times [1] in the past.
Django's serializers are primarily designed for use in the testing
system, where the exact structure of the serialized output isn't as
important.
At some point, I'm hoping to be able to do a full teardown of the
serialization infrastructure to make it completely configurable. This
would enable features like [1], along with many others.
In the interim, there is a third-party project called "Django Full
Serializers" [2] that includes this sort of functionality.
[1] http://code.djangoproject.com/ticket/4656
[2] http://code.google.com/p/wadofstuff/wiki/DjangoFullSerializers
Yours,
Russ Magee %-)
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