#!/usr/bin/python

import sys
import subprocess

def extract(iso, path):
	command = ['isoinfo', '-R', '-i', iso, '-x', path]
	pipe = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
	stdout, stderr = pipe.communicate()

	if pipe.returncode != 0:
		raise Exception, stderr

	return stdout

def main():
	iso = sys.argv[1]

	version = extract(iso, '/.disk/info')
	print version

if __name__ == '__main__':
	main()
	sys.exit(0)