widgets.py 文件源码

def get_option_label(self, value, choices=()):
        option_label = BLANK_CHOICE_DASH[0][1]

        for v, label in chain(self.choices, choices):
            if str(v) == value:
                option_label = label
                break

        if option_label == BLANK_CHOICE_DASH[0][1]:
            option_label = _('All')

        return option_label