Django User Authentication

Question

I am trying to set up user authentication for my django project but I keep getting a database error UserProfile_User does not exist. I have tried most of the examples online but none have solved the issue. Below is the code I'm currently trying out. Any relevant pointers would be greatly appreciated. user profile model that I'm currently trying out.

 from datetime import datetime from django.db import models from django.contrib.auth.models import User class UserProfile(models.Model): user = models.OneToOneField(User) dob = models.DateField(default=datetime.today().year - 18) def __unicode__(self): return ('%s' % (self.user.username))

Mark Lavin · Accepted Answer · 2011-04-29 13:30:39Z

Using a OneToOneField is fine in this case but that doesn't mean that the profile will be created for you. It's fairly simple to have the profile created by a signal:

from django.contrib.auth.models import User from django.db.models.signals import post_save def user_post_save(sender, instance, created, **kwargs): # Creates user profile if created: profile, new = UserProfile.objects.get_or_create(user=instance) post_save.connect(user_post_save, sender=User)

This would be included in your models.py just below the UserProfile definition and will ensure that all of your users have a profile associated with them.

Torsten Engelbrecht · Accepted Answer · 2011-04-29 05:36:56Z

I never use OneToOneField, but my guess is, that its is requiring a bidirectional existence of both (user and its profile). If one of both does not exist it will raise an Exception. Maybe you are better of with a ForeignKey.

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