use kafka_python in sanic

1.install

pip install kafka_python

2.initialization

eg:

@app.listener('before_server_start')
async def server_init(app, loop):
    kafka_host = "172.16.1.120:19092,172.16.1.121:19092,172.16.1.122:19092"
    app.producer = KafkaProducer(value_serializer=lambda v: json.dumps(v).encode('utf-8'),
                                 bootstrap_servers=kafka_host)

3.use

app.producer.send("topic_name", dict)