import socket
from tkinter import *

sendsocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sendsocket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)

mainsocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
mainsocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
mainsocket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
mainsocket.bind(('0.0.0.0', 11719))
mainsocket.setblocking(False)
'''
while True:
    message = mainsocket.recv(1024)
    print(message)
'''
root = Tk()
usermessage = StringVar()
usermessage.set('')

def listen():
    #print('Errrororor')
    try:
        #print(mainsocket.recv(1024).decode())
        log.insert(END, mainsocket.recv(1024).decode() + '\n')
        log.update()
        root.after(1, listen)
    except:
        root.after(1, listen)



def sendmessage(event):
    sendsocket.sendto(str(userinput.get()).encode(), ('255.255.255.255',11719))
    usermessage.set('')

log = Text(width=60, height=15)
log.pack()
userinput = Entry(width=60, textvariable=usermessage)
userinput.pack()

userinput.bind('<Return>', sendmessage)

root.after(1, listen)
root.mainloop()