docs: def create_config_files(directory):
      """
      Initialize directory ready for vpn walker
      :param directory: the path where you want this to happen
      :return:
      """
      # Some constant strings
      config_zip_url = "http://www.ipvanish.com/software/configs/configs.zip"
  
      if not os.path.exists(directory):
          os.makedirs(directory)
  
      logging.info("Starting to download IPVanish config file zip")
      url_opener = urllib.URLopener()
      zip_path = os.path.join(directory, '../configs.zip')
      unzip_path = os.path.join(directory, '../unzipped')
      if not os.path.exists(unzip_path):
          os.makedirs(unzip_path)
  
      url_opener.retrieve(config_zip_url, zip_path)
      logging.info("Extracting zip file")
      unzip(zip_path, unzip_path)
  
      # remove zip file
      os.remove(zip_path)
      # copy ca and key to root path
      shutil.copyfile(os.path.join(unzip_path, 'ca.ipvanish.com.crt'),
                      os.path.join(directory, '../ca.ipvanish.com.crt'))
  
      # move all config files to /vpns
  
      server_country = {}
      for filename in os.listdir(unzip_path):
          if filename.endswith('.ovpn'):
              country = filename.split('-')[1]
  
              file_path = os.path.join(unzip_path, filename)
              lines = [line.rstrip('\n') for line in open(file_path)]
  
              # get ip address for this vpn
              ip = ""
              for line in lines:
                  if line.startswith('remote'):
                      hostname = line.split(' ')[1]
                      ip = socket.gethostbyname(hostname)
                      break
  
              if len(ip) > 0:
                  new_path = os.path.join(directory, ip + '.ovpn')
                  shutil.copyfile(file_path, new_path)
                  server_country[ip] = country
              else:
                  logging.warn("Unable to resolve hostname and remove %s" % filename)
                  os.remove(file_path)
  
      with open(os.path.join(directory, 'servers.txt'), 'w') as f:
          for ip in server_country:
              f.write('|'.join([ip, server_country[ip]]) + '\n')
  
      # remove extracted folder
      shutil.rmtree(unzip_path)