how to get information of a running prog in python

[Jimmy]

On May 13, 11:18 am, Ivan Illarionov <ivan.illario... at gmail.com>
wrote:
> On Mon, 12 May 2008 19:19:05 -0700, Jimmy wrote:
> > Well, i know it may be a little non-python thing, however, I can think
> > of no place better to post this question :)
>
> > can anyone tell me, in python, how to obtain some information of a
> > running program?
> > paticularly, if i am playing some music in audacious or other media
> > player, how can i get the the name and some other info of current
> > playing song? It seems that audicious doesn't output on run-time
>
> In case of Audatious running on X11 all you need is Python X libraryhttp://python-xlib.sourceforge.net/
>
> And something like:
>
> from Xlib import display
>
> dpy = display.Display()
> root = dpy.screen().root
>
> NET_WM_NAME = dpy.intern_atom('_NET_WM_NAME')
> UTF8_STRING = dpy.intern_atom('UTF8_STRING')
>
> for win in root.query_tree().children:
>     try:
>         window_title = win.get_full_property(NET_WM_NAME,
> UTF8_STRING).value
>     except AttributeError:
>         continue
>     if window_title.endswith('Audacious'):
>         song = window_title.split(' - ')[:-1]
>         if song:
>             print song
>
> -- Ivan

 Thanks!
I also found a thing called 'audacious announcer' which can output
detail information of the playing track.
actually I'm working on a small program to display lyrics while
playing music in media player.