diff -r b758351d191f -r cc9b7e14412b web/lib/django/contrib/messages/storage/session.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/messages/storage/session.py	Tue May 25 02:43:45 2010 +0200
@@ -0,0 +1,33 @@
+from django.contrib.messages.storage.base import BaseStorage
+
+
+class SessionStorage(BaseStorage):
+    """
+    Stores messages in the session (that is, django.contrib.sessions).
+    """
+    session_key = '_messages'
+
+    def __init__(self, request, *args, **kwargs):
+        assert hasattr(request, 'session'), "The session-based temporary "\
+            "message storage requires session middleware to be installed, "\
+            "and come before the message middleware in the "\
+            "MIDDLEWARE_CLASSES list."
+        super(SessionStorage, self).__init__(request, *args, **kwargs)
+
+    def _get(self, *args, **kwargs):
+        """
+        Retrieves a list of messages from the request's session.  This storage
+        always stores everything it is given, so return True for the
+        all_retrieved flag.
+        """
+        return self.request.session.get(self.session_key), True
+
+    def _store(self, messages, response, *args, **kwargs):
+        """
+        Stores a list of messages to the request's session.
+        """
+        if messages:
+            self.request.session[self.session_key] = messages
+        else:
+            self.request.session.pop(self.session_key, None)
+        return []