[Zope] Anyone know of a tool to restore/cleanup/reset security/role settings?

Does anyone know of an existing tool for restoring all security settings/rolemaps from the ground up? Obviously I can use rolemap.xml where applicable and update workflow security. I want to first restore the Zope root to code defaults and restore the whole hierarchy to just acquire. I'm going to write something myself if not, but I thought I'd see if there was anything out there. Ross