Using Google App Engine to generate RSS from Google Code Hosting

I've recently been accepted to try out the new Google service, App Engine. At the same time, I was facing a problem with my Google Code project, Teardrop, which doesn't support RSS syndication for downloads, which means that you can't use an RSS aggregator to get the latest downloads from a Google Code project. This is why I wrote a very simple application, that generates a RSS 2.0 feed from the download page of my project, and returns an RSS 2.0 formatted document. Here is the code for that (This is my first real Python application, no doubts there are better way to code it.