This is a Google AppEngine application that publishes an Atom feed and pings a PubSubHubbub hub whenever an item is added to it.
In order to deploy this application, create a new application on AppEngine and deploy like this:
$ appcfg.py update . -A s~your-app-id 08:01 PM Application: s~your-app-id (was: auto); version: auto 08:01 PM Host: appengine.google.com 08:01 PM Starting update of app: s~your-app-id, version: auto 08:01 PM Getting current resource limits. 08:01 PM Scanning files on local disk. 08:01 PM Cloning 4 application files. 08:01 PM Uploading 1 files and blobs. 08:01 PM Uploaded 1 files and blobs. 08:01 PM Compilation starting. 08:02 PM Compilation completed. 08:02 PM Starting deployment. 08:02 PM Checking if deployment succeeded. 08:02 PM Deployment successful. 08:02 PM Checking if updated app version is serving. 08:02 PM Completed update of app: s~your-app-id, version: auto
It will serve