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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def on_setButton_pressed(self):
 """ Start recording a key combination when the user clicks on the setButton. The button itself is automatically disabled during the recording process. """

        self.keyLabel.setText("Press a key or combination...")  # TODO: i18n
        logger.debug("User starts to record a key combination.")
        self.grabber = iomediator.KeyGrabber(self)
        self.grabber.start()