add working oauth and ldap client

passbook/oauth_client/utils.py

@@ -0,0 +1,17 @@
+"""
+OAuth Client User Creation Utils
+"""
+
+from django.contrib.auth import get_user_model
+from django.db.utils import IntegrityError
+
+
+def user_get_or_create(user_model=None, **kwargs):
+    """Create user or return existing user"""
+    if user_model is None:
+        user_model = get_user_model()
+    try:
+        new_user = user_model.objects.create_user(**kwargs)
+    except IntegrityError:
+        new_user = user_model.objects.get(username=kwargs['username'])
+    return new_user