Compatibility with swappable User model in Django 1.5

Author: spookylukey

piston/models.py

@@ -1,6 +1,7 @@
 import urllib, time, urlparse
 
 # Django imports
+from django.conf import settings
 from django.db.models.signals import post_save, post_delete
 from django.db import models
 from django.contrib.auth.models import User
@@ -21,6 +22,10 @@
     ('rejected', 'Rejected')
 )
 
+
+AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
+
+
 def generate_random(length=SECRET_SIZE):
     return User.objects.make_random_password(length=length)
 
@@ -41,7 +46,8 @@ class Consumer(models.Model):
     secret = models.CharField(max_length=SECRET_SIZE)
 
     status = models.CharField(max_length=16, choices=CONSUMER_STATES, default='pending')
-    user = models.ForeignKey(User, null=True, blank=True, related_name='consumers')
+    user = models.ForeignKey(AUTH_USER_MODEL,
+                             null=True, blank=True, related_name='consumers')
 
     objects = ConsumerManager()
 
@@ -82,7 +88,8 @@ class Token(models.Model):
     timestamp = models.IntegerField(default=long(time.time()))
     is_approved = models.BooleanField(default=False)
 
-    user = models.ForeignKey(User, null=True, blank=True, related_name='tokens')
+    user = models.ForeignKey(AUTH_USER_MODEL,
+                             null=True, blank=True, related_name='tokens')
     consumer = models.ForeignKey(Consumer)
 
     callback = models.CharField(max_length=255, null=True, blank=True)