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from PyQt4 import QtCore, QtNetwork, QtGui
def exit():
import sys
sys.exit(0)
def sendMessage():
global sock, timer
bl = QtCore.QByteArray()
out = QtCore.QDataStream(bl, QtCore.QIODevice.WriteOnly)
out.writeDouble(10)
sock.write(bl)
timer.start(30)
app = QtGui.QApplication(['Event Driver'])
sock = QtNetwork.QTcpSocket()
sock.connectToHost("localhost", 12345)
sock.disconnected.connect(exit)
timer = QtCore.QTimer()
timer.setSingleShot(True)
timer.timeout.connect(sendMessage)
timer.start(30)
app.exec_()
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