Various important fixes, previous commits were immature.

test_oauth/backend.py

@@ -5,7 +5,7 @@ from django.conf import settings
 from django.db import transaction
 
 
-from test_oauth.models import TESTOAuth2Data
+from test_oauth.models import TESTOAuth2Data, Character
 
 
 class TESTOAuth2Backend(ModelBackend):
@@ -72,11 +72,12 @@ class TESTOAuth2Backend(ModelBackend):
         user.auth.primary_character = None
 
         for c in characters:
-            character, _ = Group.objects.update_or_create(
+            print(c)
+            character, _ = Character.objects.update_or_create(
                 id=c['id'],
                 defaults={
                     'name': c['name'],
-                    'alliance_id': c['alliance']['id'],
+                    'alliance_id': (c['alliance'] or {'id': None})['id'],
                     'corporation_id': c['corporation']['id']
                 }
             )

test_oauth/migrations/0001_initial.py

@@ -9,7 +9,6 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ('auth', '0001_initial'),
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
@@ -18,8 +17,8 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.BigIntegerField(serialize=False, primary_key=True)),
                 ('name', models.CharField(max_length=128)),
-                ('alliance_id', models.BigIntegerField()),
-                ('corporation_id', models.BigIntegerField()),
+                ('alliance_id', models.BigIntegerField(null=True)),
+                ('corporation_id', models.BigIntegerField(null=True)),
             ],
             options={
             },
@@ -40,7 +39,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='character',
             name='auth',
-            field=models.ManyToManyField(related_name='characters', to=settings.AUTH_USER_MODEL, db_index=True),
+            field=models.ManyToManyField(related_name='characters', to='test_oauth.TESTOAuth2Data', db_index=True),
             preserve_default=True,
         ),
     ]

test_oauth/models.py

@@ -7,13 +7,13 @@ class Character(models.Model):
     name = models.CharField(max_length=128)
 
     auth = models.ManyToManyField(
-        settings.AUTH_USER_MODEL,
+        'TESTOAuth2Data',
         db_index=True,
         related_name='characters'
     )
 
-    alliance_id = models.BigIntegerField(null=False)
-    corporation_id = models.BigIntegerField(null=False)
+    alliance_id = models.BigIntegerField(null=True)
+    corporation_id = models.BigIntegerField(null=True)
 
 
 class TESTOAuth2Data(models.Model):