def create_producer()

in pyflink-walkthrough/generator/generate_source_data.py [0:0]

• 12 lines of code
• 3 McCabe index (conditional complexity)

def create_producer():
    print("Connecting to Kafka brokers")
    for i in range(0, 6):
        try:
            producer = KafkaProducer(bootstrap_servers=['kafka:9092'],
                            value_serializer=lambda x: dumps(x).encode('utf-8'))
            print("Connected to Kafka")
            return producer
        except errors.NoBrokersAvailable:
            print("Waiting for brokers to become available")
            sleep(10)

    raise RuntimeError("Failed to connect to brokers within 60 seconds")