drastic speed improvment in feed generation (was using old method)

pylons_app/controllers/feed.py

@@ -1,81 +1,80
 #!/usr/bin/env python
 # encoding: utf-8
 # feed controller for pylons
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
  
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 """
 Created on April 23, 2010
 feed controller for pylons
 @author: marcink
 """
 from pylons import tmpl_context as c, url, response
 from pylons_app.lib.base import BaseController, render
-from pylons_app.model.hg_model import _full_changelog_cached
+from pylons_app.model.hg_model import HgModel
 from webhelpers.feedgenerator import Atom1Feed, Rss201rev2Feed
 import logging
 log = logging.getLogger(__name__)
 
 class FeedController(BaseController):
     
     #secure it or not ?
     def __before__(self):
         super(FeedController, self).__before__()
         #common values for feeds
         self.description = 'Changes on %s repository'
         self.title = "%s feed"
         self.language = 'en-us'
         self.ttl = "5"
         self.feed_nr = 10
 
     def atom(self, repo_name):
         """Produce an atom-1.0 feed via feedgenerator module"""
         feed = Atom1Feed(title=self.title % repo_name,
                          link=url('summary_home', repo_name=repo_name, qualified=True),
                          description=self.description % repo_name,
                          language=self.language,
                          ttl=self.ttl)
         
+        changesets = HgModel().get_repo(repo_name)
         
-        for cnt, cs in enumerate(_full_changelog_cached(repo_name)):
-            if cnt > self.feed_nr:
-                break
+        for cs in changesets[:self.feed_nr]:
             feed.add_item(title=cs.message,
                           link=url('changeset_home', repo_name=repo_name,
                                    revision=cs.raw_id, qualified=True),
                                    description=str(cs.date))
         
         response.content_type = feed.mime_type
         return feed.writeString('utf-8')
 
     
     def rss(self, repo_name):
         """Produce an rss2 feed via feedgenerator module"""
         feed = Rss201rev2Feed(title=self.title % repo_name,
                          link=url('summary_home', repo_name=repo_name, qualified=True),
                          description=self.description % repo_name,
                          language=self.language,
                          ttl=self.ttl)
         
-        for cnt, cs in enumerate(_full_changelog_cached(repo_name)):
-            if cnt > self.feed_nr:
-                break
+        changesets = HgModel().get_repo(repo_name)
+        for cs in changesets[:self.feed_nr]:
             feed.add_item(title=cs.message,
-                          link=url('changeset_home', repo_name=repo_name, revision=cs.raw_id, qualified=True),
+                          link=url('changeset_home', repo_name=repo_name,
+                                   revision=cs.raw_id, qualified=True),
                           description=str(cs.date))
             
         response.content_type = feed.mime_type
         return feed.writeString('utf-8')