my-psb/networking/client.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
client.py

Networking test, client-server talking script
"""
import socket, sys

MSG_ARG_ERROR = "Usage: client.py hostname port"

if len(sys.argv) < 3:
    print(MSG_ARG_ERROR)
    sys.exit(1)

HOST = sys.argv[1]
PORT = int(sys.argv[2])

RECV_BUFFER = 1024

MSG_SERVER_CONNECTED = "Serveur connecté @{}:{}"
MSG_CLOSE_CONNECTION = "Connexion vers [{}:{}] fermée"

STOP_COMMAND = "fin"

SERVER_CONNECTION = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
SERVER_CONNECTION.connect((HOST, PORT))
print(MSG_SERVER_CONNECTED.format(HOST, PORT))

msg_a_envoyer = b""
while msg_a_envoyer != bytes(STOP_COMMAND, 'utf8'):
    msg_a_envoyer = input("> ")
    # Peut planter si vous tapez des caractères spéciaux
    msg_a_envoyer = msg_a_envoyer.encode()
    # On envoie le message
    SERVER_CONNECTION.send(msg_a_envoyer)
    msg_recu = SERVER_CONNECTION.recv(RECV_BUFFER)
    print(msg_recu.decode()) # Là encore, peut planter s'il y a des accents

SERVER_CONNECTION.close()