source: trunk/debathena/debathena/kiosk/lightdm-launch-kiosk @ 25561

#!/usr/bin/python -Wall

import os

LAUNCH_COMMAND = "/usr/lib/debathena-kiosk/launch-kiosk"


def main():
    pid = os.fork()
    if pid == 0:
        # Start a new session.
        os.setsid();
            # Fork another child to launch the command.
        pid = os.fork()
        if pid == 0:
            # Here in the second child, exec the command.
            try:
                os.execlp("sudo", "sudo", "-n", LAUNCH_COMMAND)
            except OSError, e:
                print "error: Could not run %s as root: %s" % (LAUNCH_COMMAND, e.strerror)
                os._exit(255)
        else:
            # The first child exits immediately.
            os._exit(0)
    else:
        # Here in the parent: wait for the first child to exit.
        (pid, status) = os.waitpid(pid, 0)
        if status != 0:
            print "error launching command, status %d" % status

if __name__ == '__main__':
    main()