채팅(pyqt5)

import sys
import socket

from tkinter import *
from _thread import *
from PyQt5.QtCore import Qt, QSize
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QLineEdit, QTextEdit, QVBoxLayout, QHBoxLayout, QScrollArea, \
    QPushButton


class MyApp(QWidget):

    def __init__(self):
        super().__init__()
        self.initUI()


    def initUI(self):
        self.vbox = QVBoxLayout()
        self.hbox = QHBoxLayout()

        self.hbox.addStretch(1)

        self.iplbl = QLabel('Server ip:')
        self.hbox.addWidget(self.iplbl)

        self.iptxt = QLineEdit('14.33.178.245')
        self.hbox.addWidget(self.iptxt)
        self.iptxt.setMaximumWidth(100)
        self.hbox.addStretch(1)

        self.portlbl = QLabel('port:')
        self.hbox.addWidget(self.portlbl)

        self.porttxt = QLineEdit('9999')
        self.porttxt.setMaximumWidth(50)
        self.hbox.addWidget(self.porttxt)
        self.hbox.addStretch(1)

        self.vbox.addLayout(self.hbox)

        self.scrArea = QScrollArea()
        self.vbox.addWidget(self.scrArea)

        self.hbox2 = QHBoxLayout()

        self.serveropenbtn = QPushButton('server open')
        self.serveropenbtn.clicked.connect(self.serveropen)
        self.serveropenbtn.setCheckable(False)
        self.serveropenbtn.toggle()
        # self.serveropenbtn.setMaximumWidth(100)
        self.hbox2.addWidget(self.serveropenbtn)

        self.serverclosebtn = QPushButton('Server close')
        self.serveropenbtn.clicked.connect(self.serverclose)
        self.serverclosebtn.setCheckable(False)
        self.serverclosebtn.toggle()
        # self.serverclosebtn.setMaximumWidth(100)
        self.hbox2.addWidget(self.serverclosebtn)

        self.vbox.addLayout(self.hbox2)

        self.setLayout(self.vbox)

        self.setWindowTitle('server')
        self.move(300, 300)
        self.setFixedSize(QSize(500, 500))
        self.setWindowFlags(Qt.WindowTitleHint | Qt.WindowMinimizeButtonHint | Qt.WindowCloseButtonHint)
        self.show()

    def serveropen(self):
        HOST = self.iptxt.text()
        PORT = int(self.porttxt.text())
        start_new_thread(self.make_server, (HOST, PORT))
        self.serveropenbtn['state'] = 'disabled'
        self.iptext['state'] = 'readonly'
        self.porttxt['state'] = 'readonly'

    def serverclose(self):
        exit()

    def make_server(self, HOST, PORT):
        global server_socket
        server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

        # 포트사용중이라 연결할 수 없다는 WinError 10048 에러를 해결하기 위해 필요합니다.
        # 서버 소켓의 SOL_SOCKET의 SO_REUSEADDR(이미 사용중인 포트에 대해서도 바인드 허용) 를 1(True)로 설정하는 것으로 이해
        server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

        server_socket.bind((HOST, PORT))
        server_socket.listen()
        chat_log['state'] = 'normal'
        chat_log.insert("end", 'Server Start\n')
        chat_log['state'] = 'disabled'

        while 1:
            client_socket, addr = server_socket.accept()
            c_list.append(client_socket)
            start_new_thread(self.threaded, (c_list[-1], addr))

    def threaded(self, client_socket, addr):
        global chat_log
        chat_log['state'] = 'normal'
        chat_log.insert("end", 'Connected by :' + addr[0] + ':' + str(addr[1]) + '\n')
        chat_log['state'] = 'disabled'
        for c in c_list:
            c.sendall(('[System] ' + str(addr[1]) + ' 님이 접속하였습니다.').encode())
        while 1:
            try:
                data = client_socket.recv(1024)
                chat_log['state'] = 'normal'
                chat_log.insert("end",
                                'Received from ' + addr[0] + ' : ' + str(addr[1]) + ' :: ' + str(data.decode()) + '\n')
                chat_log['state'] = 'disabled'
                for c in c_list:
                    c.sendall((str(addr[1]) + ' : ' + data.decode()).encode())
            except ConnectionResetError as e:
                c_list.remove(client_socket)
                for c in c_list:
                    c.sendall(('[System] ' + str(addr[1]) + ' 님이 나갔습니다.').encode())
                chat_log['state'] = 'normal'
                chat_log.insert("end", 'Disconnected by ' + addr[0] + ':' + str(addr[1]) + '\n')
                chat_log['state'] = 'disabled'
                break
        client_socket.close()


c_list = []
close = False
server_socket = None

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = MyApp()
    sys.exit(app.exec_())