ZeroMQ

pip install pyzmq

zmq_server.py

import zmq

host = '127.0.0.1'
port = 6789
context = zmq.Context()
server = context.socket(zmq.REP)
server.bind("tcp://%s:%s" % (host, port))

while True:
    # 等待客户端的下一个请求
    request_bytes = server.recv()
    request_str = request_bytes.decode('utf-8')
    print("That voice in my head says: %s" % request_str)
    reply_str = "Stop saying: %s" % request_str
    reply_bytes = bytes(reply_str, 'utf-8')
    server.send(reply_bytes)

zmq_client.py

import zmq

host = '127.0.0.1'
port = 6789
context = zmq.Context()
client = context.socket(zmq.REQ)
client.connect("tcp://%s:%s" % (host, port))

for num in range(1, 6):
    request_str = "message #%s" % num
    request_bytes = request_str.encode('utf-8')
    client.send(request_bytes)
    reply_bytes = client.recv()
    reply_str = reply_bytes.decode('utf-8')
    print("Sent %s, received %s" % (request_str, reply_str))

python zmq_server.py &
python zmq_client.py