clamp_realtime_viewer/ClampViewer.py

import sys
from PyQt5.QtWidgets import  QApplication
import MainWnd as mw
import GrpcClient as Stream
if __name__=="__main__":
    app = QApplication(sys.argv)
    win = mw.MainWindow()
    win.show()

    stream=Stream.GrpcStream()
    stream.SetDataCallBack(win.OnCloudHandle,win.OnErrorHandle)
    stream.start()
    sys.exit(app.exec_())