devilspie2_dumpwindows.py

#! /usr/bin/env python2.7
import subprocess
import threading
import re
import tempfile
import os

tmpdir = tempfile.mkdtemp()
luafile = tmpdir + "/dump.lua"

file(luafile, "wt").write('''
-- dump windows --

t = get_window_type()
pid = get_window_property("_NET_WM_PID")
xid = get_window_xid()
x,y,w,h = get_window_geometry()
dtp = tonumber(get_window_property("_NET_WM_DESKTOP"))
if (dtp > 9000) then
  dtp = 9999 -- sticky on all desktops
end
name = get_window_name()
app = get_application_name()
cls = get_class_instance_name()
role = get_window_role()

if (t == 'WINDOW_TYPE_NORMAL' or t == 'WINDOW_TYPE_DIALOG') then
  debug_print("WINDOW " .. x .. " " .. y .. " " .. w .. " " .. h .. 
  			" DESK{" .. dtp ..
  			"} PID{" .. pid ..
  			"} XID{" .. xid ..
  			"} CLS{" .. cls ..
  		  	"} RLE{" .. role .. 
  		  	"} APP{" .. app .. 
  		  	"} NME{".. name .. 
  		  	"}")
end
''')


proc = subprocess.Popen(["devilspie2", "-def",  tmpdir],
						stdout=subprocess.PIPE, 
						stderr=subprocess.PIPE)
timer = threading.Timer(1, proc.kill)
try:
	timer.start()
	stdout, stderr = proc.communicate()
finally:
	timer.cancel()

os.unlink(luafile)
os.rmdir(tmpdir)

print("--- stderr ---\n%s\n" % stderr)

print("--- dump ---\n%s\n" % stdout)

rc = re.compile(r'^WINDOW (\d+) (\d+) (\d+) (\d+) DESK{(\d+)} PID{(\d+)} XID{(\d+)} CLS{(.*)} RLE{(.*)} APP{(.*)} NME{(.*)}$')
for s in stdout.splitlines():
	rx = rc.search(s)
	if not rx:
		continue
	x = int(rx.group(1))
	y = int(rx.group(2))
	w = int(rx.group(3))
	h = int(rx.group(4))
	d = int(rx.group(5))
	pid = int(rx.group(6))
	xid = int(rx.group(7))
	cls = rx.group(8)
	rle = rx.group(9)
	app = rx.group(10)
	nme = rx.group(11)
	if d == 9999:
		deskpart = 'pin_window()'
	else:
		deskpart = 'set_window_workspace(%d)' % d
	fname = "xid_0x%08x.lua" % xid
	f = open(fname, "wt")
	f.write(''' -- xid: 0x%08x pid: %d
if (
    get_application_name() == '%s' and
    get_class_instance_name() == '%s' and
    get_window_role() == '%s' and
    get_window_name() == '%s' and
    true) then
    set_window_geometry(%d,%d,%d,%d)
    %s
end
''' % (xid, pid, app, cls, rle, nme, x, y, w, h, deskpart))
	f.close()
	print("%s prepared" % fname)