autorandr_monitor

   1 #!/usr/bin/env python
   2 import os
   3 import pyinotify
   4 from pyinotify import ProcessEvent
   5
   6 SYS_VIDEO_OUTPUTS='/sys/class/drm/card0/'
   7
   8 DEFAULT_PROFILE='mobile'
   9 AUTORANDR_CMD='autorandr --change --default %s' % DEFAULT_PROFILE
  10
  11 class VideoOutputMonitor(ProcessEvent):
  12
  13     def process_IN_ACCESS(self, event):
  14         if event.name == 'status':
  15             print 'Change status of %s' % os.path.basename(event.path)
  16             os.system(AUTORANDR_CMD)
  17
  18
  19 def register_video_cards(manager):
  20     if not os.path.exists(SYS_VIDEO_OUTPUTS):
  21         return
  22
  23     for directory in os.listdir(SYS_VIDEO_OUTPUTS):
  24         path = os.path.join(SYS_VIDEO_OUTPUTS, directory)
  25         status = os.path.join(path, 'status')
  26         if os.path.exists(status):
  27             print 'Monitoring %s' % path
  28             manager.add_watch(path, pyinotify.ALL_EVENTS)
  29
  30 # pyinotify.log.setLevel(10)
  31
  32 manager = pyinotify.WatchManager()
  33 handler = VideoOutputMonitor()
  34 notifier = pyinotify.Notifier(manager, default_proc_fun=handler)
  35
  36 register_video_cards(manager)
  37
  38 notifier.loop()