[pygtk] Subprocess and changing it's priority

[Vláďa]

Hello,

I have a GUI program which runs some CLI processes. I  use modified code 
of this module:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/440554

It is a black magic for me. :-)

Then I run the CLI application:
self.p = 
subprocess2.Popen(cmd,shell=False,bufsize=0,stdout=subprocess2.PIPE,stderr=subprocess2.STDOUT)

and add a callback:
gobject.timeout_add(200,self.progress_callback)

Everything works fine. But I'd like to add an option to change priority 
of the process I started. It is a video encoder, so it uses 100% of CPU 
and takes hours to finish. So you might want to lower it's priority. Is 
there an easy way do do it? Thank you.

Best regards,
Vlada