[Python]简易terminal歌词滚动播放器

Posted 2020-08-24

　　整合了网易云的一些API，想写一个terminal版的音乐播放器，但是还没有想好写成什么样子。

　　暂时写了一个必须又的功能：带歌词滚动的播放器，用了pygame里的mixer来播放音乐。

　　准备有时间的时候实现一下其他的功能。

 

 1 # -*- coding:utf-8 -*-
 2 import re
 3 import os
 4 import time
 5 import copy
 6 import threading
 7 import pygame
 8 from pygame import mixer
 9 
10 
11 def read_file(path):
12     if not os.path.exists(path):
13         print ‘path : \\‘‘ + path + ‘\\‘ not find.‘
14         return []
15     content = ‘‘
16     try:
17         with open(path, ‘r‘) as fp:
18             content += reduce(lambda x, y: x + y, fp)
19     finally:
20         fp.close()
21     return content.split(‘\\n‘)
22 
23 class Lyrics:
24     TIME_AXIS_REGEXP = re.compile(‘\\[(\\d+)\\:(\\d+)\\.(\\d+)\\]‘)
25     DEL_TIME_AXIS_REGEXP = re.compile(‘\\[\\d+\\:\\d+\\.\\d+\\](.*)‘)
26 
27     def __init__(self, path):
28         self.path = path
29 
30     def _get_time_diff(self, line):
31         tm = map(lambda each: map(int, each), self.TIME_AXIS_REGEXP.findall(line))
32         tm = map(lambda each: each[0] * 60 * 1000 + each[1] * 1000 + each[2], tm)
33         return (tm[0], line)
34 
35     def _show_lyric(self, line):
36         print line
37 
38     def static_lyric(self, lyrics):
39         for line in lyrics:
40             self._show_lyric(line)
41 
42     def dynamic_lyric(self, lyrics):
43         for line in lyrics:
44             try:
45                 time.sleep(float(line[0]) / 1000.0)
46                 self._show_lyric(line[1])
47             except:
48                 pass
49 
50     def get_lyric(self):
51         lyrics = read_file(self.path)
52         tmp_lyric = lyrics
53         lyrics = filter(lambda line: len(self.TIME_AXIS_REGEXP.findall(line))!=0, lyrics)
54         if len(lyrics) == 0:
55             return False, tmp_lyric
56         lyrics = map(self._get_time_diff, lyrics)
57         tmp_lyric = copy.deepcopy(lyrics[:-1])
58         tmp_lyric.insert(0, (0, ‘‘))
59         lyrics = map(lambda x:(x[0][0]-x[1][0], x[0][1]), zip(lyrics, tmp_lyric))
60         lyrics = map(lambda x: (x[0], self.DEL_TIME_AXIS_REGEXP.findall(x[1])[0]), lyrics)
61         return True, lyrics
62 
63     def show_lyric(self):
64         play_option, lyrics = self.get_lyric()
65         if play_option == True:
66             self.dynamic_lyric(lyrics)
67         else:
68             self.static_lyric(lyrics)
69 
70 def play_mp3(path):
71     mixer.init()
72     track = mixer.music.load(path)
73     mixer.music.play(1)
74 
75 def play(mp3_path, lrc_path):
76     t_mp3 = threading.Thread(target=play_mp3(mp3_path))
77     lyrics = Lyrics(lrc_path)
78     t_lyric = threading.Thread(target=lyrics.show_lyric())
79 
80     t_mp3.start()
81     t_lyric.start()
82     t_mp3.join()
83     t_lyric.join()
84 
85 
86 def __main__():
87     play(‘./test1.mp3‘, ‘./test1.lrc‘)
88 
89 if __name__ == ‘__main__‘:
90     __main__()