docs: def main():
      """Show example using the API."""
      __async__ = True
      logging.basicConfig(format="%(levelname)-10s %(message)s",
                          level=logging.DEBUG)
  
      if len(sys.argv) != 2:
          logging.error("Must specify configuration file")
          sys.exit()
      config = configparser.ConfigParser()
      config.read(sys.argv[1])
  
      password = config.get('default', 'password')
      if __async__:
          client = Client(config.get('default', 'host'),
                          config.getint('default', 'port'), password, _callback)
      else:
          client = Client(config.get('default', 'host'),
                          config.getint('default', 'port'),
                          password)
          status = client.messages()
          msg = status[0]
          print(msg)
          print(client.mp3(msg['sha'].encode('utf-8')))
      while True:
          continue