disablegss/disablegss.py

   1 #! /usr/bin/env python
   2 #disablegss.py
   3 #
   4 #  Copyright (c) 2006 crazy___cow@hotmail.com
   5 #
   6 #  This program is free software; you can redistribute it and/or
   7 #  modify it under the terms of the GNU General Public License as
   8 #  published by the Free Software Foundation; either version 2 of the
   9 #  License, or (at your option) any later version.
  10 #
  11 #  This program is distributed in the hope that it will be useful,
  12 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #  GNU General Public License for more details.
  15 #
  16 #  You should have received a copy of the GNU General Public License
  17 #  along with this program; if not, write to the Free Software
  18 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19 #  USA
  20
  21
  22
  23 import dbus
  24 import dbus.glib
  25 import sys
  26 import os
  27 import string
  28 import time
  29 from stat import *
  30
  31
  32
  33 def disable_sleep(myprogram):
  34         try:
  35                 bus = dbus.Bus(dbus.Bus.TYPE_SESSION)
  36                 devobj = bus.get_object('org.gnome.ScreenSaver',  '/org/gnome/ScreenSaver')
  37                 dev = dbus.Interface(devobj, "org.gnome.ScreenSaver")
  38                 cookie = dev.Inhibit(myprogram, 'Disabled by DisableGSS Daemon')
  39                 print "DisableGSS: gnome screensaver stopped."
  40                 return (dev, cookie)
  41         except Exception, e:
  42                 print "DisableGSS: could not send the dbus Inhibit signal: %s" % e
  43                 #sys.exit(0)
  44                 return (False, False)
  45
  46
  47 def allow_sleep(dev, cookie):
  48         try:
  49                 dev.UnInhibit(cookie)
  50                 print "DisableGSS: gnome screensaver enabled."
  51                 return(True)
  52         except Exception, e:
  53                 print "DisableGSS: could not send the dbus UnInhibit signal: %s" % e
  54                 #sys.exit(0)
  55                 return (False)
  56
  57
  58 def pids(program):
  59         result = []
  60         f = os.popen('ps aux', 'r')
  61         for l in f.readlines():
  62                 fields = string.split(l)
  63                 if fields[10] == program:
  64                         #print fields[1]+"   "+fields[10]
  65                         return(True)
  66
  67
  68
  69 def read_file():
  70         __psaux = []
  71         try:
  72                 f=open(homedir+'/.disablegss', 'r')
  73                 for line in f:
  74                         #print line.rstrip('\n')
  75                         __psaux.append(line.rstrip('\n'))
  76                 f.close();
  77                 print "DisableGSS: config file read."
  78                 return __psaux
  79         except IOError:
  80                 print "DisableGSS: config file ~/.disablegss doesn't exist! Write it by hand. Add applications name that could disable gnome screensaver: one app name for every line of file."
  81                 sys.exit(0)
  82
  83
  84
  85
  86
  87 if __name__ == '__main__':
  88
  89
  90         homedir = os.getenv('HOME')
  91         condition = True
  92         disabled = False
  93         old_program = ""
  94         psaux = []
  95         last_last_time_modified = ""
  96         last_time_modified = ""
  97
  98         psaux=read_file()
  99         last_time_modified=     os.stat(homedir+'/.disablegss')[ST_MTIME]
 100         last_last_time_modified=last_time_modified
 101
 102         while condition == True:
 103                 found = False
 104                 for i in range(len(psaux)):
 105                         #print "%s->%s" % (i,psaux[i])
 106                         program=psaux[i]
 107                         if pids(program) == True:
 108                                 found = True
 109                                 if program !=old_program:
 110                                         print "DisableGSS: there is a program ("+program+") in the config list that is currently running."
 111                                         old_program=program
 112                                 if disabled==False:
 113                                         (dev, cookie) = disable_sleep(program)
 114                                         disabled=True
 115                                         break
 116
 117                 if found == False and disabled == True:
 118                         print "DisableGSS: there are no more programs that could stop gnome screensaver."
 119                         allow_sleep(dev, cookie)
 120                         disabled = False
 121                 time.sleep(60)
 122                 last_time_modified=     os.stat(homedir+'/.disablegss')[ST_MTIME]
 123                 if last_time_modified!=last_last_time_modified:
 124                         print "DisableGSS: config file modified."
 125                         psaux=read_file()
 126                         last_time_modified=     os.stat(homedir+'/.disablegss')[ST_MTIME]
 127                         last_last_time_modified=last_time_modified
 128                         old_program = ""
 129                 #condition=False
 130
 131
 132