Update VPNBook password

vpnbook.py

#!/usr/bin/python
import os
import re
import urllib2

AUTH_FILE = '~/vpnbook-openvpn-auth'

resp = urllib2.urlopen('http://www.vpnbook.com/freevpn')
content = resp.read()
match = re.search(r'(?:<\w+>)?Password(?:</\w+>)?: (?:<\w+>)?([a-zA-Z0-9]{8})(?:</\w+>)?', content)
if match is not None:
    with open(os.path.expanduser(AUTH_FILE), 'w') as fp:
        fp.write('vpnbook\n')
        fp.write(match.group(1))
        fp.write('\n')
else:
    raise ValueError('no password found')