Settingize some stuff and add custom AnonymousUser

core/middleware.py

@@ -0,0 +1,31 @@
+import importlib
+from django.conf import settings
+from django.utils.functional import SimpleLazyObject
+from django.contrib.auth import get_user
+from django.contrib.auth.middleware import AuthenticationMiddleware as DjangoAuthenticationMiddleware
+
+module, klass = settings.AUTH_ANONYMOUS_MODEL.rsplit('.', 1)
+AnonymousUser = getattr(importlib.import_module(module), klass)
+
+
+def get_cached_user(request):
+    if not hasattr(request, '_cached_user'):
+        user = get_user(request)
+        if user.is_anonymous():
+            user = AnonymousUser(request)
+
+        request._cached_user = user
+
+    return request._cached_user
+
+
+class AuthenticationMiddleware(DjangoAuthenticationMiddleware):
+    def process_request(self, request):
+        assert hasattr(request, 'session'), (
+            "The Django authentication middleware requires session middleware "
+            "to be installed. Edit your MIDDLEWARE_CLASSES setting to insert "
+            "'django.contrib.sessions.middleware.SessionMiddleware' before "
+            "'account.middleware.AuthenticationMiddleware'."
+        )
+        request.user = SimpleLazyObject(lambda: get_cached_user(request))
+