update contrib

contrib/data_safety_training/image_classification/server/receive.py

-import zmq
-import socket
-import msgpack
-import os
-random_port = 60001
-current_ip = socket.gethostbyname(socket.gethostname())
-print(current_ip)
-os.system("python -m SimpleHTTPServer 8080 &")
-
-#listening for client
-context = zmq.Context()
-zmq_socket = context.socket(zmq.REP)
-zmq_socket.bind("tcp://{}:{}".format(current_ip, random_port))
-print("binding tcp://{}:{}".format(current_ip, random_port))
-
-#get mission and return the path of encoder
-message = msgpack.loads(zmq_socket.recv())
-print(message["mission"])
-zmq_socket.send("user.py")
-
-#wait client finish encoding
-while True:
-    message = zmq_socket.recv()
-    if message == 'complete':
-        break
-
-#start training
-os.system("python -u server.py > server.log &")