Set proxy environment variables and execute google-chrome based on a dict of proxy servers.

chromoxy.py

#!/usr/bin/python

import sys
import os
import subprocess

proxies = {
  '150': 'http://10.3.100.150:8080/',
  '211': 'http://10.3.100.211:8080/',
  '212': 'http://10.3.100.212:8080/',
  '218': 'http://144.16.192.218:8080/',
  '245': 'http://144.16.192.245:8080/',
  '247': 'http://144.16.192.247:8080/'
}

if __name__ == "__main__":
  try:
    if sys.argv[1] in proxies:
      print "Setting proxy %s" %proxies[sys.argv[1]]
      os.environ['http_proxy'] = proxies[sys.argv[1]]
      os.environ['https_proxy'] = proxies[sys.argv[1]]
      subprocess.call(['google-chrome'])
    else:
      sys.exit("Invalid Proxy specified choose 150, 211, 212, 218, 245 or 247")
  except IndexError:
    sys.exit("No Proxy specified choose: %s (150 | 211 | 212 | 218 | 245 | 247) " % sys.argv[0])