PyQt ProgressBar

[luca72]

Hello i have made anly one test like this:


 from time import sleep
 barra = QtGui.QProgressBar()
 barra.setMinimum(0)
 barra.setMaximum(10)
 for a in range(10):
       sleep(1)
       barra.setValue(a)
       app.processEvents()

But the bar remain fix to 0% don't increase.

can you tell me how to prooced

Regards

Luca