Python:如何在 tkinter window 中显示 Twisted 反应器接收到的 UDP 消息?
Python: How do I display a UDP message received by a Twisted reactor in a tkinter window?
我正在使用 tkinter 和 twisted 在 GUI 中显示 UDP 消息。这是我的代码:
import tkinter as tk
from twisted.internet import tksupport, reactor
from twisted.internet.protocol import DatagramProtocol
class RX(DatagramProtocol):
def datagramReceived(self, datagram, address):
self.msg = datagram.decode('utf-8')
self.transport.write(datagram, address)
class RX_GUI():
def __init__(self):
self.root = tk.Tk()
tksupport.install(self.root)
self.reactor = reactor.listenUDP(7201, RX())
reactor.run()
self.msg = tk.Label(self.root,text=self.reactor.msg)
self.msg.grid()
self.root.mainloop()
RX_GUI()
这里是一些发送消息的配套代码:
import socket
import time
ip = '127.0.0.1'
port = 7201
msg = "Hello World"
while True:
sock = socket.socket(socket.AF_INET, # Internet
socket.SOCK_DGRAM) # UDP
sock.sendto(msg.encode(), (ip, port))
time.sleep(1)
如何获取消息 "Hello World" 以在收到消息后显示给 tkinter window?
您可以将 self.msg
传递给 RX()
并在收到数据后更新它:
class RX(DatagramProtocol):
def __init__(self, widget):
super().__init__()
self.widget = widget
def datagramReceived(self, datagram, address):
self.msg = datagram.decode('utf-8')
self.widget['text'] = self.msg # update the label
#self.transport.write(datagram, address) # cause recursive issue
class RX_GUI():
def __init__(self):
self.root = tk.Tk()
self.msg = tk.Label(self.root)
self.msg.grid()
self.root.protocol('WM_DELETE_WINDOW', self.quit)
tksupport.install(self.root)
self.reactor = reactor.listenUDP(7201, RX(self.msg)) # pass self.msg to RX()
reactor.run()
# no need to call self.root.mainloop()
def quit(self):
reactor.stop()
self.root.destroy()
RX_GUI()
我正在使用 tkinter 和 twisted 在 GUI 中显示 UDP 消息。这是我的代码:
import tkinter as tk
from twisted.internet import tksupport, reactor
from twisted.internet.protocol import DatagramProtocol
class RX(DatagramProtocol):
def datagramReceived(self, datagram, address):
self.msg = datagram.decode('utf-8')
self.transport.write(datagram, address)
class RX_GUI():
def __init__(self):
self.root = tk.Tk()
tksupport.install(self.root)
self.reactor = reactor.listenUDP(7201, RX())
reactor.run()
self.msg = tk.Label(self.root,text=self.reactor.msg)
self.msg.grid()
self.root.mainloop()
RX_GUI()
这里是一些发送消息的配套代码:
import socket
import time
ip = '127.0.0.1'
port = 7201
msg = "Hello World"
while True:
sock = socket.socket(socket.AF_INET, # Internet
socket.SOCK_DGRAM) # UDP
sock.sendto(msg.encode(), (ip, port))
time.sleep(1)
如何获取消息 "Hello World" 以在收到消息后显示给 tkinter window?
您可以将 self.msg
传递给 RX()
并在收到数据后更新它:
class RX(DatagramProtocol):
def __init__(self, widget):
super().__init__()
self.widget = widget
def datagramReceived(self, datagram, address):
self.msg = datagram.decode('utf-8')
self.widget['text'] = self.msg # update the label
#self.transport.write(datagram, address) # cause recursive issue
class RX_GUI():
def __init__(self):
self.root = tk.Tk()
self.msg = tk.Label(self.root)
self.msg.grid()
self.root.protocol('WM_DELETE_WINDOW', self.quit)
tksupport.install(self.root)
self.reactor = reactor.listenUDP(7201, RX(self.msg)) # pass self.msg to RX()
reactor.run()
# no need to call self.root.mainloop()
def quit(self):
reactor.stop()
self.root.destroy()
RX_GUI()