old_contents: from django.db import models
  from django.contrib.auth.models import User
  from django.contrib.sites.models import Site
  from django.contrib.auth import authenticate
  
  
  class OpenIDProfile(models.Model):
      user = models.ForeignKey(User)
      site = models.ForeignKey(Site, default=Site.objects.get_current)
      identity = models.TextField(unique=True)
  
      def __unicode__(self):
          try:
              return 'OpenID profile for %s, via provider %s' % (self.user, self.identity)
          except User.DoesNotExist:
              return 'OpenID profile for None, via provider None' 
  
      def authenticate(self):
          return authenticate(identity=self.identity)
  
  class OpenIDStore(models.Model):
      site = models.ForeignKey(Site, default=Site.objects.get_current)
      server_url = models.CharField(max_length=255)
      handle = models.CharField(max_length=255)
      secret = models.TextField()
      issued = models.IntegerField()
      lifetime = models.IntegerField()
      assoc_type = models.TextField()
  
      def __unicode__(self):
          return u'OpenID Store %s for %s' % (self.server_url, self.site)
  
  class OpenIDNonce(models.Model):
      server_url = models.CharField(max_length=255)
      timestamp = models.IntegerField()
      salt = models.CharField(max_length=255)
      date_created = models.DateTimeField(auto_now_add=True)
  
      def __unicode__(self):
          return u'OpenID Nonce for %s' % self.server_url
  
new_contents: from django.db import models
  from django.contrib.auth.models import User
  from django.contrib.sites.models import Site
  from django.contrib.auth import authenticate
  
  
  class OpenIDProfile(models.Model):
      user = models.ForeignKey(User)
      site = models.ForeignKey(Site, default=Site.objects.get_current)
      identity = models.TextField()
  
      def __unicode__(self):
          try:
              return 'OpenID profile for %s, via provider %s' % (self.user, self.identity)
          except User.DoesNotExist:
              return 'OpenID profile for None, via provider None' 
  
      def authenticate(self):
          return authenticate(identity=self.identity)
  
  class OpenIDStore(models.Model):
      site = models.ForeignKey(Site, default=Site.objects.get_current)
      server_url = models.CharField(max_length=255)
      handle = models.CharField(max_length=255)
      secret = models.TextField()
      issued = models.IntegerField()
      lifetime = models.IntegerField()
      assoc_type = models.TextField()
  
      def __unicode__(self):
          return u'OpenID Store %s for %s' % (self.server_url, self.site)
  
  class OpenIDNonce(models.Model):
      server_url = models.CharField(max_length=255)
      timestamp = models.IntegerField()
      salt = models.CharField(max_length=255)
      date_created = models.DateTimeField(auto_now_add=True)
  
      def __unicode__(self):
          return u'OpenID Nonce for %s' % self.server_url
  
subject: Remove unique constaint as described in issue 163 of django-socialregistration.