Add try/except for user.get_profile

Author: gchandrasa

cached_auth/__init__.py

@@ -18,9 +18,23 @@
 CACHE_KEY = 'cached_auth_middleware:%s'
 
 
+try:
+    app_label, model_name = settings.AUTH_PROFILE_MODULE.split('.')
+    profile_model = models.get_model(app_label, model_name)
+except (ValueError, AttributeError):
+    profile_model = None
+
+
 def profile_preprocessor(user, request):
     """ Cache user profile """
-    return user.get_profile()
+    if profile_model:
+        try:
+            user.get_profile()
+        # Handle exception for user with no profile and AnonymousUser
+        except (profile_model.DoesNotExist, AttributeError):
+            pass
+    return user
+
 
 user_preprocessor = None
 if hasattr(settings, 'CACHED_AUTH_PREPROCESSOR'):
@@ -34,12 +48,6 @@ def profile_preprocessor(user, request):
 else:
     user_preprocessor = profile_preprocessor
 
-try:
-    app_label, model_name = settings.AUTH_PROFILE_MODULE.split('.')
-    profile_model = models.get_model(app_label, model_name)
-except (ValueError, AttributeError):
-    profile_model = None
-
 
 def invalidate_cache(sender, instance, **kwargs):
     if isinstance(instance, User):