Examples:

rudix install bazaar Will install bzr like if the user has typed "rudix install bzr". The package name is in fact bzr, bazaar is an alias.

rudix search hg Will search for mercurial (the real package name) and so on.

The aliases can be hard coded into rudix.py or better, downloadable from rudix site or Google site.

http://code.google.com/p/rudix/source/detail?r=787b6ecafb31efcf4e08bd3ca1008b24d858c0ac