simple JSON TCP server and client

client.py

#!/usr/bin/env python3
import socket
import json

HOST, PORT = "localhost", 9527
data = {
"name": "hello, I am Tom.",
"age": 10,
"info": "sample is simple."
}

# Create a socket (SOCK_STREAM means a TCP socket)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

try:
    # Connect to server and send data
    sock.connect((HOST, PORT))
    sock.send(bytes(json.dumps(data), 'UTF-8'))

    # Receive data from the server and shut down
    received = json.loads(sock.recv(1024).decode('UTF-8'))
finally:
    sock.close()

print ("Sent: {}".format(data))
print ("Received: {}".format(received))

server.py

#!/usr/bin/env python3

import socketserver, subprocess, sys
from threading import Thread
from pprint import pprint
import json

HOST = 'localhost'
PORT = 9527

class SingleTCPHandler(socketserver.BaseRequestHandler):
    "One instance per connection.  Override handle(self) to customize action."
    def handle(self):
        # self.request is the client connection
        data = self.request.recv(1024)  # clip input at 1Kb
        text = data.decode('utf-8')
        pprint(json.loads(text))
        for key in json.loads(text):
            pprint(json.loads(text)[key])
        self.request.send(bytes(json.dumps({"status":"success!"}), 'UTF-8'))
        self.request.close()

class SimpleServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
    # Ctrl-C will cleanly kill all spawned threads
    daemon_threads = True
    # much faster rebinding
    allow_reuse_address = True

    def __init__(self, server_address, RequestHandlerClass):
        socketserver.TCPServer.__init__(self, server_address, RequestHandlerClass)

if __name__ == "__main__":
    server = SimpleServer((HOST, PORT), SingleTCPHandler)
    # terminate with Ctrl-C
    try:
        server.serve_forever()
    except KeyboardInterrupt:
        sys.exit(0)