# HG changeset patch
# User dirk
# Date 1333424113 -7200
# Node ID 4cb22b47b659d217556f69aebbdad315b87b3503
# Parent  173fd7b9198f4a98733fb5ad4bef96813ecd50ad
Due to a bug in CouchDB it's possible that a view still references deleted documents. Detect this case and don't add NoneType objects into the list of feeds.

diff -r 173fd7b9198f -r 4cb22b47b659 backend/couchdb/CouchDbBackend.py
--- a/backend/couchdb/CouchDbBackend.py	Tue Apr 03 04:54:06 2012 +0200
+++ b/backend/couchdb/CouchDbBackend.py	Tue Apr 03 05:35:13 2012 +0200
@@ -48,7 +48,10 @@
         feedsWithUnreadEntries = []
         for row in viewResults:
             feed = Feed.load(self.database, row["key"])
-            feedsWithUnreadEntries.append(feed)
+            # see https://issues.apache.org/jira/browse/COUCHDB-1279
+            # it's possible that the view references documents that have already been deleted
+            if feed is not None:
+                feedsWithUnreadEntries.append(feed)
         return feedsWithUnreadEntries
 
     def _retrieveEntriesForSelectedFeed(self, hideReadEntries):