Class ChineseNumberUnit

tools/cn_tn.py:422–477

中文数字/数位字符 每个字符除繁简体外还有一个额外的大写字符 e.g. '陆' 和 '陸'

class ChineseNumberUnit(ChineseChar):
    """
    中文数字/数位字符
    每个字符除繁简体外还有一个额外的大写字符
    e.g. '陆' 和 '陸'
    """

    def __init__(self, power, simplified, traditional, big_s, big_t):
        super(ChineseNumberUnit, self).__init__(simplified, traditional)
        self.power = power
        self.big_s = big_s
        self.big_t = big_t

    def __str__(self):
        return "10^{}".format(self.power)

    @classmethod
    def create(cls, index, value, numbering_type=NUMBERING_TYPES[1], small_unit=False):
        if small_unit:
            return ChineseNumberUnit(
                power=index + 1,
                simplified=value[0],
                traditional=value[1],
                big_s=value[1],
                big_t=value[1],
            )
        elif numbering_type == NUMBERING_TYPES[0]:
            return ChineseNumberUnit(
                power=index + 8,
                simplified=value[0],
                traditional=value[1],
                big_s=value[0],
                big_t=value[1],
            )
        elif numbering_type == NUMBERING_TYPES[1]:
            return ChineseNumberUnit(
                power=(index + 2) * 4,
                simplified=value[0],
                traditional=value[1],
                big_s=value[0],
                big_t=value[1],
            )
        elif numbering_type == NUMBERING_TYPES[2]:
            return ChineseNumberUnit(
                power=pow(2, index + 3),
                simplified=value[0],
                traditional=value[1],
                big_s=value[0],
                big_t=value[1],
            )
        else:
            raise ValueError(
                "Counting type should be in {0} ({1} provided).".format(
                    NUMBERING_TYPES, numbering_type
                )
            )