server.py

import socket

class SocketServer:

    def __init__(self, address, port, conn_lim):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.bind((address, port))
        self.sock.listen(conn_lim)
        self.connection, self.address = self.sock.accept()


    def send(self, data):
        self.connection.send(str.encode(data))


    def recv(self, size):
        buffer = self.connection.recv(size)
        return buffer.decode()


    def serve(self):
        running = True
        while running:

            data = self.recv(64)
            if data != "":
                self.send("Signal Received")
                print(data)

            if data == 'q':
                print("Connection Terminated")
                self.connection.close()
                running = False
        self.sock.close()


server = SocketServer('localhost', 9000, 1)
server.serve()