server_chatroom.py

import threading
import socket

host = '192.168.1.50'  # MiniPC
port = 45588

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((host, port))
server.listen()

clients = []
nicknames = []


def broadcast(message):
    for client in clients:
        client.send(message)


def handle(client):
    while True:
        try:
            message = client.recv(1024)
            try:
                broadcast(message)
            except:
                broadcast("Charactere illegal!!!!!")
        except:
            index = clients.index(client)
            clients.remove(client)
            client.close()
            nickname = nicknames[index]
            broadcast(f"{nickname} left the chat!".encode("utf-8"))
            nicknames.remove(nickname)
            break


def receive():
    while True:
        client, address = server.accept()
        print(f"Connected with {str(address)}")

        client.send('NICK'.encode('utf-8'))
        nickname = client.recv(1024).decode('utf-8')
        nicknames.append(nickname)
        clients.append(client)

        print(f"Nickname of the client is '{nickname}'")
        broadcast(f"{nickname} joined the chat!".encode('utf-8'),)
        client.send("Connected to the server".encode('utf-8'))

        thread = threading.Thread(target=handle, args=(client,))
        thread.start()


print("Server is listening...")
receive()