wizard.py 文件源码

def _custom_unit_changed(self):

        if self.custom_units is None:
            return

        unit = self.custom_units.text()
        if unit == '':
            self.label_status.setText('')
        else:
            try:
                u.Unit(unit)
            except:
                self.label_status.setText('Invalid units')
                self.label_status.setStyleSheet('color: red')
            else:
                self.label_status.setText('Valid units')
                self.label_status.setStyleSheet('color: green')