Pydub from_mp3给出[Errno 2]没有这样的文件或目录

Question

我发现自己在这里的墙前,只是试图将一个音频文件加载到pydub进行转换它继续抛出"[Errno 2]没有这样的文件或目录"错误.

当然,我花了太多时间确保路径有效,尝试相对和绝对路径并确认python方法open()在完全相同的路径下正常工作.

我正在使用python 2.7通过ubuntu上的anaconda 2.3 distrib在ipython 3.2中工作.

from pydub import AudioSegment
sound = AudioSegment.from_mp3("/absolute/path/to/file.mp3")

也尝试在路径中没有空格,因为它有时是一个问题.这是完整的错误日志:

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-15-8b1ec013ca8e> in <module>()
      1 import pydub
----> 2 sound = pydub.AudioSegment.from_mp3("/absolute/path/to/file.mp3")

/home/ludo/anaconda3/envs/python2/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_mp3(cls, file)
    421     @classmethod
    422     def from_mp3(cls, file):
--> 423         return cls.from_file(file, 'mp3')
    424 
    425     @classmethod

/home/ludo/anaconda3/envs/python2/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_file(cls, file, format, **kwargs)
    404         log_conversion(conversion_command)
    405 
--> 406         p = subprocess.Popen(conversion_command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    407         p_out, p_err = p.communicate()
    408 

/home/ludo/anaconda3/envs/python2/lib/python2.7/subprocess.pyc in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags)
    708                                 p2cread, p2cwrite,
    709                                 c2pread, c2pwrite,
--> 710                                 errread, errwrite)
    711         except Exception:
    712             # Preserve original exception in case os.close raises.

/home/ludo/anaconda3/envs/python2/lib/python2.7/subprocess.pyc in _execute_child(self, args, executable, preexec_fn, close_fds, cwd, env, universal_newlines, startupinfo, creationflags, shell, to_close, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite)
   1333                         raise
   1334                 child_exception = pickle.loads(data)
-> 1335                 raise child_exception
   1336 
   1337 

OSError: [Errno 2] No such file or directory

我对这里非常简单的事情视而不见......或者？

编辑:我也尝试将原始文本r"/absolute/path/to/file.mp3"传递给Vaulstein查询 - 这给了我同样的错误.

Answer 1

例外与您提供的文件名没有任何关系.查看回溯,它是无法找到conversion_command的subprocess.Popen呼叫.这反过来可以解释既avconv不能ffmpeg也不能找到的警告.解决方案应该是在控制台中安装libav-tools软件包sudo apt-get install libav-tools.