Hi!
I prefer using OnetoOne with a pre_delete signal to remove user from a
pirncipal object instance:
from django.contrib.auth.models import User
from django.db.models.signals import pre_delete
from django.dispatch import receiver
class Customer(User):
user = models.OneToOneField(User)
@receiver(pre_delete, sender=Customer)
def delete_user_customer(sender, instance, **kwargs):
user = User.objects.filter(pk=instance.user.id)
if user:
user.delete()
class Seller(User):
user = models.OneToOneField(User)
@receiver(pre_delete, sender=Seller)
def delete_user_seller(sender, instance, **kwargs):
user = User.objects.filter(pk=instance.user.id)
if user:
user.delete()
2012/7/13 sdonk <alessandro.den...@gmail.com>
> Hi,
> I'm starting a new project and for the first time I need to extend the
> User model.
> I read the documentation and I googled a lot to try to figure out what is
> the best approach but I got confused.
>
> What's the the best approach?
>
> Class inheritance:
>
> from django.contrib.gis.db import models
> from django.contrib.auth.models import User, UserManager
>
> class myUser(User):
> birthday = models.DateField(null=True, blank=True)
> address = models.CharField(max_length=255, null=True, blank=True)
>
> objects = UserManager()
>
> Or OneToOneField (as doc suggests)
>
>
> from django.contrib.gis.db import models
> from django.contrib.auth.models import User
> from django.db.models.signals import post_save
>
> class myUser(User):
> user = models.OneToOneField(User)
> birthday = models.DateField(null=True, blank=True)
> address = models.CharField(max_length=255, null=True, blank=True)
>
> def __unicode__(self):
> return u'%s' % self.user
>
> def create_user_profile(sender, instance, created, **kwargs):
> if created:
> myUser.objects.create(user=instance)
>
> post_save.connect(create_user_profile, sender=User)
>
> Thanks,
>
> Alex
>
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