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• Django FileResponse not working with uwsgi

  24 août 2017, par Sandeep

  I have the following code which takes in an arbitrary audio stream and converts it to mp3 on the fly using ffmpeg. The code works fine when run using python manage.py runserver but is not working when run using uwsgi server.

  from django.http import FileResponse
  
  
  
  def mp3(request):
  
      audiourl = request.session['audiourl']
  
      title = request.session['title']
  
      process = Popen('ffmpeg -i "{}" -f mp3 -'.format(audiourl), shell=True, stdout=PIPE)
  
      response = FileResponse(process.stdout)
  
      fname = title + '.mp3'
  
      response['Content-Disposition'] = content_disposition(fname)
  
      return response

  It might work with gunicorn but I prefer to use uwsgi if possible. Kindly post your valuable suggestions.

• AudiSegment.from_wav error : OSError : [Errno 2] No such file or directory

  19 mars 2019, par Coder123

  Does anyone know why I am receive a no file or directory error when i execute the code below ? I am using Python 2, FYI. Seems like an easy fix, but I can’t seem to identify it.

  Here is my code that i am using.

  import ffprobe
  
  import ffmpeg
  
  import pydub
  
  from pydub import AudioSegment
  
  
  
  
  
  AudioSegment.from_wav("/home/e136320/sample.wav").export("/output/file.mp3", format="mp3")

  Here is the error message when code is executed :

  OSErrorTraceback (most recent call last)
  
   in <module>()
  
        2 #sound.export("/home/e136320/sample.mp3", format="mp3")
  
        3 
  
  ----> 4 AudioSegment.from_wav("/home/e136320/sample.wav").export("/output/file.mp3", format="mp3")
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_wav(cls, file, parameters)
  
      726     @classmethod
  
      727     def from_wav(cls, file, parameters=None):
  
  --> 728         return cls.from_file(file, 'wav', parameters=parameters)
  
      729 
  
      730     @classmethod
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_file(cls, file, format, codec, parameters, **kwargs)
  
      663             stdin_data = file.read()
  
      664 
  
  --> 665         info = mediainfo_json(orig_file)
  
      666         if info:
  
      667             audio_streams = [x for x in info['streams']
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/utils.pyc in mediainfo_json(filepath)
  
      261 
  
      262     command = [prober, '-of', 'json'] + command_args
  
  --> 263     res = Popen(command, stdin=stdin_parameter, stdout=PIPE, stderr=PIPE)
  
      264     output, stderr = res.communicate(input=stdin_data)
  
      265     output = output.decode("utf-8", 'ignore')
  
  
  
  /opt/cloudera/parcels/Anaconda/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)
  
      388                                 p2cread, p2cwrite,
  
      389                                 c2pread, c2pwrite,
  
  --> 390                                 errread, errwrite)
  
      391         except Exception:
  
      392             # Preserve original exception in case os.close raises.
  
  
  
  /opt/cloudera/parcels/Anaconda/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)
  
     1023                         raise
  
     1024                 child_exception = pickle.loads(data)
  
  -> 1025                 raise child_exception
  
     1026 
  
     1027 
  
  
  
  OSError: [Errno 2] No such file or directory
  
  </module>

• Audi0Segment.from_wav error : OSError : [Errno 2] No such file or directory

  19 mars 2019, par Coder123

  Does anyone know why I am receive a no file or directory error when i execute the code below ? I am using Python 2, FYI. Seems like an easy fix, but I can’t seem to identify it.

  Here is my code that i am using.

  import ffprobe
  
  import ffmpeg
  
  import pydub
  
  from pydub import AudioSegment
  
  
  
  
  
  AudioSegment.from_wav("/home/e136320/sample.wav").export("/output/file.mp3", format="mp3")

  Here is the error message when code is executed :

  OSErrorTraceback (most recent call last)
  
   in <module>()
  
        2 #sound.export("/home/e136320/sample.mp3", format="mp3")
  
        3 
  
  ----> 4 AudioSegment.from_wav("/home/e136320/sample.wav").export("/output/file.mp3", format="mp3")
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_wav(cls, file, parameters)
  
      726     @classmethod
  
      727     def from_wav(cls, file, parameters=None):
  
  --> 728         return cls.from_file(file, 'wav', parameters=parameters)
  
      729 
  
      730     @classmethod
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/audio_segment.pyc in from_file(cls, file, format, codec, parameters, **kwargs)
  
      663             stdin_data = file.read()
  
      664 
  
  --> 665         info = mediainfo_json(orig_file)
  
      666         if info:
  
      667             audio_streams = [x for x in info['streams']
  
  
  
  /home/e136320/.local/lib/python2.7/site-packages/pydub/utils.pyc in mediainfo_json(filepath)
  
      261 
  
      262     command = [prober, '-of', 'json'] + command_args
  
  --> 263     res = Popen(command, stdin=stdin_parameter, stdout=PIPE, stderr=PIPE)
  
      264     output, stderr = res.communicate(input=stdin_data)
  
      265     output = output.decode("utf-8", 'ignore')
  
  
  
  /opt/cloudera/parcels/Anaconda/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)
  
      388                                 p2cread, p2cwrite,
  
      389                                 c2pread, c2pwrite,
  
  --> 390                                 errread, errwrite)
  
      391         except Exception:
  
      392             # Preserve original exception in case os.close raises.
  
  
  
  /opt/cloudera/parcels/Anaconda/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)
  
     1023                         raise
  
     1024                 child_exception = pickle.loads(data)
  
  -> 1025                 raise child_exception
  
     1026 
  
     1027 
  
  
  
  OSError: [Errno 2] No such file or directory
  
  </module>