add passbook.pretend to use passbook in applications which don't support generic OAuth

passbook/core/views/access.py

@@ -1,7 +1,8 @@
 """passbook access helper classes"""
 from logging import getLogger
 
-from django.http import Http404
+from django.contrib import messages
+from django.utils.translation import gettext as _
 
 from passbook.core.models import Application
 
@@ -11,14 +12,18 @@ class AccessMixin:
     """Mixin class for usage in Authorization views.
     Provider functions to check application access, etc"""
 
+    # request is set by view but since this Mixin has no base class
+    request = None
+
     def provider_to_application(self, provider):
         """Lookup application assigned to provider, throw error if no application assigned"""
         try:
             return provider.application
         except Application.DoesNotExist as exc:
-            # TODO: Log that no provider has no application assigned
-            LOGGER.warning('Provider "%s" has no application assigned...', provider)
-            raise Http404 from exc
+            messages.error(self.request, _('Provider "%(name)s" has no application assigned' % {
+                'name': provider
+                }))
+            raise exc
 
     def user_has_access(self, application, user):
         """Check if user has access to application."""