Measuring open road seventy-four: python process kafka

 

kafka-python Address: https://github.com/dpkp/kafka-python

Installation kafka-python: pip install kafka-python

 

Receive messages

Kafka Import KafkaConsumer from 
Consumer KafkaConsumer = ( 'Test', bootstrap_servers = [ 'localhost: 9092']) # consumer defined 
for MSG in Consumer: 
    Print (MSG)

Clockwork attempting to receive a message, the result is a byte

 

Send a message

Kafka KafkaProducer Import from 
Import JSON 

Data = '123qweasd45' 
Producer = KafkaProducer (bootstrap_servers = [ 'localhost: 9092'], 
                         value_serializer the lambda = V: json.dumps (V) .encode ( 'UTF-. 8')) 
# = the lambda value_serializer v: json.dumps (v) .encode ( 'utf-8'): Since the default data is transmitted byte, a data sequence to be transmitted into this JSON 
producer.send ( 'Test', json.dumps (data), = 0 Partition) 
producer.close ()

执行投递消息，查看消费者的输出

窗口也可以展示