python播放歌曲_音频-在python上播放mp3歌曲
在这一点上，为什么不提及libasound2-dev：
GitHub：[https://github.com/tuffy/python-audio-tools]
docs：[http://audiotools.sourceforge.net/programming/audiotools.html?highlight=seek#module-audiotools]
这是我发现的最佳解决方案。
(我需要在Raspbian上安装libasound2-dev)
代码摘录大致基于以下内容：
[https://github.com/tuffy/python-audio-tools/blob/master/trackplay]
#!/usr/bin/python
import os
import re
import audiotools.player
START = 0
INDEX = 0
PATH = '/path/to/your/mp3/folder'
class TracklistPlayer:
def __init__(self,
tr_list,
audio_output=audiotools.player.open_output('ALSA'),
replay_gain=audiotools.player.RG_NO_REPLAYGAIN,
skip=False):
if skip:
return
self.track_index = INDEX + START - 1
if self.track_index < -1:
print('--> [track index was negative]')
self.track_index = self.track_index + len(tr_list)
self.track_list = tr_list
self.player = audiotools.player.Player(
audio_output,
replay_gain,
self.play_track)
self.play_track(True, False)
def play_track(self, forward=True, not_1st_track=True):
try:
if forward:
self.track_index += 1
else:
self.track_index -= 1
current_track = self.track_list[self.track_index]
audio_file = audiotools.open(current_track)
self.player.open(audio_file)
self.player.play()
print('--> index: ' + str(self.track_index))
print('--> PLAYING: ' + audio_file.filename)
if not_1st_track:
pass # here I needed to do something :)
if forward:
pass # ... and also here
except IndexError:
print('\n--> playing finished\n')
def toggle_play_pause(self):
self.player.toggle_play_pause()
def stop(self):
self.player.stop()
def close(self):
self.player.stop()
self.player.close()
def natural_key(el):
"""See http://www.codinghorror.com/blog/archives/001018.html"""
return [int(s) if s.isdigit() else s for s in re.split(r'(\d+)', el)]
def natural_cmp(a, b):
return cmp(natural_key(a), natural_key(b))
if __name__ == "__main__":
print('--> path: ' + PATH)
# remove hidden files (i.e. ".thumb")
raw_list = filter(lambda element: not element.startswith('.'), os.listdir(PATH))
# mp3 and wav files only list
file_list = filter(lambda element: element.endswith('.mp3') | element.endswith('.wav'), raw_list)
# natural order sorting
file_list.sort(key=natural_key, reverse=False)
track_list = []
for f in file_list:
track_list.append(os.path.join(PATH, f))
TracklistPlayer(track_list)