From d592ca487ae4be5b7fdc22e6022bb766eeafab39 Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Fri, 18 Aug 2006 03:31:13 +0000
Subject: [PATCH] Fixed #2541 -- Added helpful error message for
CacheMiddleware in the case of CACHE_ANONYMOUS_ONLY=True and
uninstalled/unordered AuthenticationMiddleware. Thanks,
dummy@habmalnefrage.de
git-svn-id: http://code.djangoproject.com/svn/django/trunk@3603 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
django/middleware/cache.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/django/middleware/cache.py b/django/middleware/cache.py
index 08e77d1375..58800b24da 100644
--- a/django/middleware/cache.py
+++ b/django/middleware/cache.py
@@ -41,6 +41,9 @@ class CacheMiddleware(object):
def process_request(self, request):
"Checks whether the page is already cached and returns the cached version if available."
+ if self.cache_anonymous_only:
+ assert hasattr(request, 'user'), "The Django cache middleware with CACHE_MIDDLEWARE_ANONYMOUS_ONLY=True requires authentication middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.auth.middleware.AuthenticationMiddleware' before the CacheMiddleware."
+
if not request.method in ('GET', 'HEAD') or request.GET:
request._cache_update_cache = False
return None # Don't bother checking the cache.