restart_screensession.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

#  pip install screenutils
#  pip install git+http://github.com/Christophe31/screenutils.git

import logging
from screenutils import list_screens, Screen
from subprocess import call

logging.basicConfig(filename='/media/modem/modem.log',
                    format='%(levelname)s %(asctime)s %(message)s',
                    #  level=logging.DEBUG
                    level=logging.INFO)
status = 0
for Screen in list_screens():
  if Screen.name == "modem":
    status = 1

if status == 0:
  logging.debug('Es wird eine neue Screensession gestartet')
  call(["screen", "-dmS", "modem", "/media/modem/modem.py"])
else:
  logging.debug('Es läuft bereits eine Screensession')