Thread: [Python] wait and notify

a program have 2 threads, 1 processing information , acts on it, other listen socket , deliver data received main thread. data shared between multiple hosts, when 1 host start sending should other start sending.

intention of code, send data every 5 s, can sooner if server socket receive data host.

php code:

main_thread
class serversocket(socketserver.baserequesthandler):
    def handle(self):
        data = self.request[0].strip()
        global main_thread
        # store data
        main_thread.acquire()
        main_thread.notify()
        main_thread.release()

def main():
    global main_thread
    main_thread = threading.current_thread()
    
    client = clientsocket()
    server = socketserver.udpserver(('127.0.0.1', 22222), serversocket)
    threading.thread(target=server.serve_forever).start()    

    while true:
        main_thread.acquire() # cause exception
        main_thread.wait(5)
        main_thread.release()

# exception
attributeerror: '_mainthread' object has no attribute 'acquire' 


edit:
solved changing this, using python 3

code:

main_thread = threading.condition()

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