Processes in Linux from Python
Diez B. Roggisch
deets at nospam.web.de
Mon Sep 1 08:40:42 CEST 2008
> To get a number of the http processes running on my Linux( Debia box)
> I use
> ps -ef | grep "[h]ttpd" | wc -l
> But If I want to use to get a number of the http processes from my
> Python program I must use a popen command e.g.
> popen2.popen3('ps -ef | grep "[h]ttpd" | wc -l')
> that is I must call an external command from Python.
The shell does the exact same thing. And by the way: i think you miss a
grep -v grep
after the first grep - otherwise you count the grep itself.
> But it creates a zombie.
Try using the subprocess module. It should not require you to call wait
> So my question is:
> Is it possible to get a number of the http processes running on Linux
> directly from Python ?
Not really, or at least not with less effort & without duplicating
system tools functionality.
More information about the Python-list