string.py 文件源码

def get_value(self, value):
        value = super().get_value(value)
        if isinstance(self._enum, enum.EnumMeta):
            try:
                return self._enum[value]
            except KeyError:
                enums_str = ",".join(self._enum.__members__.keys())
                raise abort(
                    status=400,
                    text='Field {} enum ({})'.format(self.name, enums_str)
                )
        elif value in self._enum:
            return value
        else:
            raise abort(
                status=400,
                text='Field {} enum ({})'.format(self.name,
                                                 ",".join(self._enum))
            )