Re: Custom User Profiles + Signals

why you don't create the profile only if needed ?

class UserProfile(models.Model):
user = models.ForeignKey(User, unique=True)

User.profile = property(lambda u: UserProfile.objects.get_or_create(user=u)[0])

2011/3/2 Jeremiah <wanderinweezard@gmail.com>:
> Hi All,
>
> I'm going through the help document (http://docs.djangoproject.com/en/
> 1.2/topics/auth/#storing-additional-information-about-users) and I'm
> starting to figure out how signals work.  What I'm having problems
> with is getting my signal to trigger (or at least figuring out if the
> signal is actually triggering?)
>
> So, if I do the following from the shell (as spawned by manage.py):
>>>> import cc.models
>>>> from django.contrib.auth.models import User
>>>> u = User.objects.get(username__exact="duh3")
>>>> try:
> ...     u.userprofile
> ... except:
> ...     profile = cc.models.UserProfile()
> ...     profile.user = u
> ...     profile.thing = "Test"
> ...     profile.save()
> ...
> <UserProfile: duh3>
>>>> u.userprofile.user
> <User: duh3>
>>>> u.userprofile.thing
> u'Test'
>
> I can get the profile to work.  So, then I add the following lines to
> my "models.py" file:
> from django.db.models.signals import post_save
> ...
> def profile_handler(sender, **kwargs):
>        """ Signal handler to deal with a save on the User model """
>        try:
>                sender.userprofile
>        except:
>                profile = cc.models.UserProfile()
>                profile.user = sender
>                profile.save()
>
> post_save.connect(profile_handler, sender=User)
>
> But, what i can't tell is if anything is happening.  If I create a new
> user and then try userinstance.userprofile, I get the expected
> exception.
>
> Could someone please point me at my issue?
>
> Thanks,
> Jeremiah
>
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