You ought to be able to this via UML/AGX, but the method doesn't seem to work. Here's how it actually works, and what ought to happen with AGX

In Plone 2.5x and 3.x, this is how to set up RSS

Sometimes you get TraversalErrors in the error log, which don't appear to show up on the site. Here's why...

You can change the code in the usual viewlet way, and change the items displayed and the text/link used via the ZMI

The move from Plone 2.5 to 3.x meant you have to use a different way of allowing your site users to remain logged in.

You need a whole special load of stuff to run Plone or Zope scripts for the command line. These centre around getting hold of the portal object from which everything else is available, setting a fake request object so you can traverse around the site and setting a user so you have permission to do whatever it is you want to do. Then at the end you have to commit your transaction and sync the zeoclients.

Getting the portal URL, or a reference to the portal in a python script is easy

Some info which may be useful when they're really not playing ball.

With particular regard to ReferenceBrowserWidget, as that's the one we must often use

Images in the browser images resource folder are called with ++resource++my.theme.images/image-name.png. This works perfectly except in portal_factory. Here's how to fix it.