QUdpSocket имеет метод writeDatagram () .
from PyQt5 import QtCore, QtNetwork
class Sender(QtCore.QObject):
def __init__(self, parent=None):
super(Sender, self).__init__(parent)
self._socket = QtNetwork.QUdpSocket(self)
@QtCore.pyqtSlot()
def send_message(self):
message = QtCore.QDateTime.currentDateTime().toString()
datagram = message.encode()
print("send message:", message)
self._socket.writeDatagram(
datagram, QtNetwork.QHostAddress("127.0.0.1"), 45454
)
class Receiver(QtCore.QObject):
def __init__(self, parent=None):
super(Receiver, self).__init__(parent)
self._socket = QtNetwork.QUdpSocket(self)
self._socket.bind(QtNetwork.QHostAddress("127.0.0.1"), 45454)
self._socket.readyRead.connect(self.on_readyRead)
@QtCore.pyqtSlot()
def on_readyRead(self):
while self._socket.hasPendingDatagrams():
datagram, host, port = self._socket.readDatagram(
self._socket.pendingDatagramSize()
)
print("message from:", host.toString())
print("message port:", port)
print("message:", datagram.decode())
if __name__ == "__main__":
import sys
app = QtCore.QCoreApplication(sys.argv)
receiver = Receiver()
sender = Sender()
timer = QtCore.QTimer(interval=1000, timeout=sender.send_message)
timer.start()
sys.exit(app.exec_())