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annotate gpp/bio/signals.py @ 101:4bbb6a9aa317
Forums: use select_related() with get_object_or_404() to reduce queries.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Wed, 16 Sep 2009 00:39:27 +0000 |
| parents | 08cd19c1ee50 |
| children | b4305e18d3af |
| rev | line source |
|---|---|
| bgneal@44 | 1 """ |
| bgneal@44 | 2 Signal handler(s) for the bio application. |
| bgneal@44 | 3 """ |
| bgneal@44 | 4 from django.db.models.signals import post_save |
| bgneal@44 | 5 from django.contrib.auth.models import User |
| bgneal@44 | 6 from bio.models import UserProfile |
| bgneal@44 | 7 |
| bgneal@44 | 8 def on_user_save(sender, **kwargs): |
| bgneal@44 | 9 """ |
| bgneal@44 | 10 This signal handler ensures that every User has a corresonding |
| bgneal@44 | 11 UserProfile. It is called after User instance is saved. It creates |
| bgneal@44 | 12 a UserProfile for the User if the created argument is True. |
| bgneal@44 | 13 """ |
| bgneal@44 | 14 created = kwargs['created'] |
| bgneal@44 | 15 if created: |
| bgneal@44 | 16 user = kwargs['instance'] |
| bgneal@44 | 17 profile = UserProfile() |
| bgneal@44 | 18 profile.user = user |
| bgneal@44 | 19 profile.save() |
| bgneal@44 | 20 |
| bgneal@44 | 21 |
| bgneal@44 | 22 post_save.connect(on_user_save, sender=User) |