import asyncio import logging from amqtt.client import MQTTClient from amqtt.mqtt.constants import QOS_1, QOS_2 """ This sample shows how to publish messages to secure websocket broker """ logger = logging.getLogger(__name__) config = { "will": { "topic": "/will/client", "message": "Dead or alive", "qos": QOS_1, "retain": True, } } client = MQTTClient(config=config) async def test_coro() -> None: await client.connect("ws://localhost:8080/") tasks = [ asyncio.ensure_future(client.publish("a/b", b"TEST MESSAGE WITH QOS_0")), asyncio.ensure_future(client.publish("a/b", b"TEST MESSAGE WITH QOS_1", qos=QOS_1)), asyncio.ensure_future(client.publish("a/b", b"TEST MESSAGE WITH QOS_2", qos=QOS_2)), ] await asyncio.wait(tasks) logger.info("messages published") await client.disconnect() def __main__(): formatter = "[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s" logging.basicConfig(level=logging.DEBUG, format=formatter) asyncio.run(test_coro()) if __name__ == "__main__": __main__()