new_contents: import glob
  import subprocess
  
  udevadm = "/sbin/udevadm"
  
  v4ldevs = glob.glob("/sys/class/video4linux/*")
  
  for devpath in v4ldevs:
  	devname = devpath.split("/")[-1]
  	vendor = None
  	model = None
  	serial = None
  
  	output = subprocess.check_output ([udevadm, "info", "--query=all", "--path=%s" % (devpath,)]).split("\n")
  	for line in output:
  		try:
  			t,pair = line.split()
  		except:
  			pass
  		key = None
  		try:
  			key, value = pair.split("=")
  		except:
  			continue
  		if key == "ID_MODEL":
  			model = value
  		elif key == "ID_SERIAL_SHORT":
  			serial = value
  		elif key == "ID_VENDOR":
  			vendor = value
  			
  	print "%s: Vendor=%s Model=%s Serial=%s" % (devname, vendor, model, serial)
  			
  
subject: Add camera finder tool