removed exception handler, implemented clean algorithm

atomstrom.py

@@ -171,22 +171,22 @@ def process_feed_entry(session, feed, entry):
 
 def fetch_single_feed(session, feed):
     print 'processing %s' % feed.url
-    query = session.query(Feedinfo).filter(Feedinfo.feed_id==feed.id)
+    thisfeedinfo = session.query(Feedinfo).\
+                filter(Feedinfo.feed_id==feed.id).\
+                first()
     fetched = False
-    # TODO: remove exception, see above
-    try:
-        feed.feedinfo = query.one()
+    if thisfeedinfo:
+        feed.feedinfo = thisfeedinfo
         nextfetch = (feed.feedinfo.lastfetched + timedelta(minutes=feed.frequency))
         if datetime.now() > nextfetch:
-            print 'fetching...'
+            print 'feed known, fetching...'
             parser = feedparser.parse(feed.url)
             fetched = True
             feed.feedinfo.update(parser)
         else:
             print 'not fetching before: %s' % nextfetch
-    except Exception, e:
-        print 'this feed seems to be new'
-        print 'fetching...'
+    else:
+        print 'feed seems to be new, fetching...'
         parser = feedparser.parse(feed.url)
         fetched = True
         feed.feedinfo = Feedinfo(parser)