#!/usr/bin/python2

import glib
from pyudev import Context, Monitor
from pyudev.glib import GUDevMonitorObserver as MonitorObserver

def device_event(observer, action, device):
    command = "/usr/bin/xrandr -d :0 --output HDMI1 --auto --left-of LVDS1 --primary".split(" ")
    glib.spawn_async(command)

context = Context()
monitor = Monitor.from_netlink(context)
monitor.filter_by(subsystem='drm')

observer = MonitorObserver(monitor)

observer.connect('device-event', device_event)
monitor.start()

glib.MainLoop().run()