alternative to hardcoding system util paths

[Cosme Domínguez]

2010/9/17 Stephen Burke <steve.burke.56 at gmail.com>:
> I'm writing a python script and I'm using aptitude and update-grub in
> the script.  Currently I just use the abolute path to the bins ie.
> /usr/bin/aptitude.  Ultimately I'd like to package it and distribute
> it as a deb.  What's the recommended way to get these paths so they
> will work on any user's machine?  Are there any environment vars that
> I should use or a service of some kind?
>
> Any help or pointing in the right direction would be appreciated or if
> there is a better list to post this let me know.

http://docs.python.org/library/os.html#os.system