python歌词解析（按时间）

红太狼 2022-04-13 02:46 299阅读 0赞

class Lyrics(object):
        """歌词类"""
    
        def __init__(self, time, text):
            self.time = time
            self.text = text.replace("\n","")
    
        def __gt__(self, other):
            return self.time > other.time
    
        def __repr__(self):
            return "%.2f: %s" % (self.time, self.text)
    
    
    class LyricsAnalyzer(object):
        """歌词解析"""
    
        def __init__(self, song):
            self.__song = song
            self.__all_lyrics = []
    
        def __analysis_line(self, line):
            lines = line.split("]")
            # 创建歌词对象
            text = lines[-1]
            for time_str in lines[:-1]:
                fen = float(time_str[1:3])
                miao = float(time_str[4:])
                time = fen * 60 + miao
                lyrics = Lyrics(time, text)
                self.__all_lyrics.append(lyrics)
    
        def __analysis_file(self):
            """解析文件"""
            try:
                with open(self.__song, encoding="utf-8") as f:
                    line = f.readline()
                    while line:
                        # 处理
                        self.__analysis_line(line)
                        line = f.readline()
                        # print(line)
            except FileNotFoundError:
                pass
        def get_lyrics(self, time):
            """ 根据时间获取歌词 :param time:时间 :return:歌词 """
            if not self.__all_lyrics:
                # 1.解析歌词文件
                self.__analysis_file()
    
                # 对歌词排序
                self.__all_lyrics.sort(reverse=True)
                # print(self.__all_lyrics)
                
                if not self.__all_lyrics:
                    return "没有歌词！！！"
            # 根据时间查找歌词
            for lyrics in self.__all_lyrics:
                if lyrics.time <= time:
                    return lyrics.text
    
    
    la1 = LyricsAnalyzer("lyricsfile")
    print(la1.get_lyrics(6))
    print(la1.get_lyrics(60))
    print(la1.get_lyrics(86))
    print(la1.get_lyrics(160))
    
    la2 = LyricsAnalyzer("not")
    print(la2.get_lyrics(3))
    >>>>
    没有什么能够阻挡
    蓝莲花
    蓝莲花
    如此的清澈高远
    []
    没有歌词！！！

> \[00:00.20\]蓝莲花  
> \[00:00.80\]没有什么能够阻挡  
> \[00:06.53\]你对自由地向往  
> \[00:11.59\]天马行空的生涯  
> \[00:16.53\]你的心了无牵挂  
> \[02:11.27\]\[01:50.22\]\[00:21.95\]穿过幽暗地岁月  
> \[02:16.51\]\[01:55.46\]\[00:26.83\]也曾感到彷徨  
> \[02:21.81\]\[02:00.60\]\[00:32.30\]当你低头地瞬间  
> \[02:26.79\]\[02:05.72\]\[00:37.16\]才发觉脚下的路  
> \[02:32.17\]\[00:42.69\]心中那自由地世界  
> \[02:37.20\]\[00:47.58\]如此的清澈高远  
> \[02:42.32\]\[00:52.72\]盛开着永不凋零  
> \[02:47.83\]\[00:57.47\]蓝莲花