kivy/examples/frameworks/twisted/echo_server_app.py

50 lines
1.2 KiB
Python

# install_twisted_rector must be called before importing and using the reactor
from kivy.support import install_twisted_reactor
install_twisted_reactor()
from twisted.internet import reactor
from twisted.internet import protocol
class EchoServer(protocol.Protocol):
def dataReceived(self, data):
response = self.factory.app.handle_message(data)
if response:
self.transport.write(response)
class EchoServerFactory(protocol.Factory):
protocol = EchoServer
def __init__(self, app):
self.app = app
from kivy.app import App
from kivy.uix.label import Label
class TwistedServerApp(App):
label = None
def build(self):
self.label = Label(text="server started\n")
reactor.listenTCP(8000, EchoServerFactory(self))
return self.label
def handle_message(self, msg):
msg = msg.decode('utf-8')
self.label.text = "received: {}\n".format(msg)
if msg == "ping":
msg = "Pong"
if msg == "plop":
msg = "Kivy Rocks!!!"
self.label.text += "responded: {}\n".format(msg)
return msg.encode('utf-8')
if __name__ == '__main__':
TwistedServerApp().run()