Install rpm : irpm

[Mark McEahern]

[Fernando Perez]
> Well, Mandrake has urpmi which is GPLd, so I assume you are doing 
> this for your own education. In that case, I'd look at the urpmi code 
> to learn how they addressed various issues. This can be a bit of a 
> messy problem, so looking at their code might help; it's pretty robust 
> in general.

You may also want to look at gentoo's Portage:

  http://www.gentoo.org/doc/portage-manual.html 

which is written in (or at least uses) Python.

Cheers,

// mark