Super simple UDP-listener for the new (April 2020) uasyncio library. It invokes a callback. The return value of the callback (if any) is sent as a response to the client. If None is turned nothing is sent to the client.

Sending is sync.

Not sure if I should have a zero timeout on the poll. I've defaulted to 1ms which is good enough for me. Opinions welcome.

Usage:

from dgram import UDPServer import uasyncio (..) port=12345 def cb(msg, adr): print('Got:', msg) return 'ack'.encode('ascii') def main(): s = UDPServer() l = uasyncio.get_event_loop() l.run_until_complete(s.serve(cb, '0.0.0.0', port))```