# display a splash screen with PyQT

from PyQt4.QtTest import QTest as qt
from PyQt4.QtCore import *
from PyQt4.QtGui import * 

class Splash(QSplashScreen): 
    staticMessage_ = "" 
    def __init__(self): 
        QSplashScreen.__init__(self) 

    def setStaticMessage(self, message): 
        self.staticMessage_ = message 
        self.update() 

    def paintEvent(self, event): 
        QSplashScreen.paintEvent(self, event) 
        painter = QPainter(self) 
        pen = QPen(Qt.red) 
        painter.setPen(pen)
        # in case this message is not part of the image 
        painter.drawText(20, 20, self.staticMessage_) 

app = QApplication([]) 

mainWin = QLabel("   Simple Main Window   ") 

splash = Splash()
splash_image = "CloudSplash.jpg" 
splash.setPixmap(QPixmap(splash_image)) 
splash.setStaticMessage("Version 2.01") 
splash.show() 

# optional message display on splash image
# in case this message is not part of the image 
align = Qt.AlignBottom|Qt.AlignRight
splash.showMessage("wait 6 seconds", align, Qt.yellow) 
app.processEvents() 
qt.qSleep(3000) 
splash.showMessage("wait 3 seconds", align, Qt.green) 
app.processEvents() 
qt.qSleep(3000) 

splash.finish(mainWin) 
mainWin.show() 
# does not use sys.exit(app.exec_()), works well
app.exec_()