code: def get_file_location(self, volume_id):
          
          url = ("http://{master_addr}:{master_port}/"
                 "dir/lookup?volumeId={volume_id}").format(
              master_addr=self.master_addr,
              master_port=self.master_port,
              volume_id=volume_id)
          data = json.loads(self.conn.get_data(url))
          _file_location = random.choice(data['locations'])
          FileLocation = namedtuple('FileLocation', "public_url url")
          return FileLocation(_file_location['publicUrl'], _file_location['url'])
docs: Get location for the file,
          WeedFS volume is choosed randomly
  
          :param integer volume_id: volume_id
          :rtype: namedtuple `FileLocation` `{"public_url":"", "url":""}`