python_gnome_unlock_on_usb_device

usb_device_monitor.py

import time
import subprocess

def is_screen_locked():
	output = subprocess.Popen(["gnome-screensaver-command", "--query"], stdout=subprocess.PIPE).communicate()[0]
	if "screensaver is inactive" in output:
		return False
	return True

def monitor_and_unlock(usb_id):
	while True:
		if is_screen_locked():
			output = subprocess.Popen(["lsusb"], stdout=subprocess.PIPE).communicate()[0]
			for line in output.split("\n"):
				if usb_id in line:
					print "%s:unlocking!" % time.time()
					subprocess.Popen(["gnome-screensaver-command", "-d"])

		time.sleep(5)

if __name__=="__main__":
	usb_id = ""
	monitor_and_unlock(usb_id)