pyqt5 udp example
import sys
import os
import socket
from PyQt5 import QtCore, QtWidgets
class UDPWorker(QtCore.QObject):
dataChanged = QtCore.pyqtSignal(str)
def __init__(self, parent=None):
super(UDPWorker, self).__init__(parent)
self.server_start = False
@QtCore.pyqtSlot()
def start(self):
self.server_start = True
ip = "192.168.1.4"
port = 515
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.bind((ip,port))
self.process()
def process(self):
while self.server_start:
data, addr = self.sock.recvfrom(1024)
self.dataChanged.emit(str(data))
class UDPWidget(QtWidgets.QWidget):
started = QtCore.pyqtSignal()
def __init__(self, parent=None):
super(UDPWidget, self).__init__(parent)
btn = QtWidgets.QPushButton("Click Me")
btn.clicked.connect(self.started)
self.lst = QtWidgets.QListWidget()
lay = QtWidgets.QVBoxLayout(self)
lay.addWidget(QtWidgets.QLabel("udp receiver"))
lay.addWidget(btn)
lay.addWidget(self.lst)
self.setWindowTitle("udp receive")
@QtCore.pyqtSlot(str)
def addItem(self, text):
self.lst.insertItem(0, text)
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
w = UDPWidget()
worker = UDPWorker()
thread = QtCore.QThread()
thread.start()
worker.moveToThread(thread)
w.started.connect(worker.start)
worker.dataChanged.connect(w.addItem)
w.show()
sys.exit(app.exec_())