asyncio_tcp_server.py

def main(addr='127.0.0.1', port=2323):
  port = int(port)
  loop = asyncio.get_event_loop()
  server_coro = asyncio.start_server(handle_quries, address, port, loop=loop)
  # Drive server_coro to bring up the server
  server = loop.run_until_complete(server_coro)
  
  host = server.sockets[0].getsockname()
  print(f'Serving on {host}. Hit CTRL-C to stop.')
  try:
    # Run the event loop, this is the where main will block
    loop.run_forever()
   except KeyboardInterrupt:
    pass
    
  print('Server shutting down.)
  server.close()
  loop.run_until_compelete(server.wait.closed())
  loop.close()    
  
 if __name__ == '__main__':
  main(*sys.argv[1:])