def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
def on_btn_add_fuzzing_values_clicked(self):
        if self.ui.comboBoxStrategy.currentIndex() == 0:
            self.__add_fuzzing_range()
        elif self.ui.comboBoxStrategy.currentIndex() == 1:
            self.__add_fuzzing_boundaries()
        elif self.ui.comboBoxStrategy.currentIndex() == 2:
            self.__add_random_fuzzing_values()