connector_dialog.py 文件源码

def _widget_checker(self):
        """
        Make sure widgets are good, turning bad widgets pink.
        """

        for k in self._arg_widgets.keys():

            caster = self._arg_types[k]
            if caster == bool:
                continue

            try:
                value = caster(self._arg_widgets[k].text())
                if type(value) is str and value.strip() == "":
                    raise ValueError 
                color = "#FFFFFF"
            except ValueError:
                color = "#FFB6C1"

            self._arg_widgets[k].setStyleSheet("QLineEdit {{ background-color: {} }}".format(color))