*(minor): small refactor

passbook/sources/oauth/utils.py

@@ -0,0 +1,17 @@
+"""OAuth Client User Creation Utils"""
+
+from django.db.utils import IntegrityError
+
+from passbook.core.models import User
+
+
+def user_get_or_create(**kwargs):
+    """Create user or return existing user"""
+    try:
+        new_user = User.objects.create_user(**kwargs)
+    except IntegrityError:
+        # At this point we've already checked that there is no existing connection
+        # to any user. Hence if we can't create the user,
+        kwargs['username'] = '%s_1' % kwargs['username']
+        new_user = User.objects.create_user(**kwargs)
+    return new_user