歌词解析(面向对象)

class Lyrics:
    """歌词类"""
    def __init__(self, time='', word=''):
        self._time = time
        self.word = word

    @property
    def time(self):
        return self._time
    @time.setter
    def time(self, value):
        fen = float(value[1:3])
        miao = float(value[4:])
        self._time = fen*60+miao

    def __gt__(self, other):
        return self._time > other._time


    def __repr__(self):
        return str(self.__dict__)


class LyricsAnalysis:
    """歌词解析类"""
    # name = ''
    def __init__(self, name):
        self.__name = name  # 歌名
        self.__all_lyric = []  # 保存当前歌名解析出来的歌词对象

    # 分离歌词和时间
    def __split_time_word(self, line):
        # 时间 <-> 歌词
        lines = line.split(']')
        # print(lines)
        # 获取每行的词
        word = lines[-1]
        # 遍历获取每一行的时间
        for time in lines[:-1]:
            # 根据时间和词创建歌词对象
            ly_obj = Lyrics(word=word)
            ly_obj.time = time
            self.__all_lyric.append(ly_obj)


    # 根据时间获取歌词
    def get_lyric(self, time: int):
        # 判断之前是否已经解析过
        if self.__all_lyric:
            print('~~~~~')
            # 解析过，根据时间取值
            for item in self.__all_lyric:
                if item.time < time:
                    return item.word

        # 没有解析过
        # 读文件内容
        try:
            print('======')
            with open('./files/'+self.__name+'.txt', 'r', encoding='utf-8') as f:
                line = f.readline()
                while line:
                    # print(line)
                    self.__split_time_word(line)
                    line = f.readline()

                # __all_lyric保存了所有的歌词对象
                self.__all_lyric.sort(reverse=True)
                # print(self.__all_lyric)

                # 根据时间取值
                for item in self.__all_lyric:
                    if item.time < time:
                        return item.word

        except FileNotFoundError:
            print('没有响应的歌词')


# 蓝莲花 --> 蓝莲花数据 -->
ly_lan = LyricsAnalysis('蓝莲花')
print(ly_lan.get_lyric(10))
print(ly_lan.get_lyric(12))
print(ly_lan.get_lyric(20))
print(ly_lan.get_lyric(30))

# 七里香 --> 七里香数据 -->
# ly_qi = LyricsAnalysis('七里香')