Fix the slow RSS feed.

Remove the overhead of parsing blog entries when generating the rss
feed. This saves a lot of CPU.

Signed-off-by: Gaël Utard <gael.utard@laposte.net>
Signed-off-by: Maxime Petazzoni <maxime.petazzoni@bulix.org>

www/maposmatic/context_processors.py

@@ -21,15 +21,21 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from models import MapRenderingJob
+from django.core.urlresolvers import reverse
 import feedparser
 
+from models import MapRenderingJob
+
 def get_latest_blog_posts():
     f = feedparser.parse("http://news.maposmatic.org/?feed=rss2")
     return f.entries[:5]
 
 def all(request):
-    d = {}
-    d['randommap'] = MapRenderingJob.objects.get_random_with_thumbnail()
-    d['blogposts'] = get_latest_blog_posts()
-    return d
+    # Do not add the useless overhead of parsing blog entries when generating
+    # the rss feed
+    if request.path == reverse('rss-feed', args=['maps']):
+        return {}
+    return {
+        'randommap': = MapRenderingJob.objects.get_random_with_thumbnail(),
+        'blogposts': = get_latest_blog_posts()
+    }

www/urls.py

@@ -73,7 +73,7 @@ urlpatterns = patterns('',
 
     # Feeds
     (r'^feeds/(?P<url>.*)/$', 'django.contrib.syndication.views.feed',
-     {'feed_dict': feeds}),
+     {'feed_dict': feeds}, 'rss-feed'),
 )
 
 if settings.DEBUG: