can the python wave module accept StringIO object
- by user368005
i'm trying to use the wave module to read wav files in python.
whats not typical of my applications is that I'm NOT using a file or a filename to read the wav file, but instead i have the wav file in a buffer.
And here's what i'm doing
import StringIO
buffer = StringIO.StringIO()
buffer.output(wav_buffer)
file = wave.open(buffer, 'r')
but i'm getting a EOFError when i run it...
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 493, in open
return Wave_read(f)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 163, in __init__
self.initfp(f)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/wave.py", line 128, in initfp
self._file = Chunk(file, bigendian = 0)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/chunk.py", line 63, in __init__
raise EOFError
i know the StringIO stuff works for creation of wav file and i tried the following and it works
import StringIO
buffer = StringIO.StringIO()
audio_out = wave.open(buffer, 'w')
audio_out.setframerate(m.getRate())
audio_out.setsampwidth(2)
audio_out.setcomptype('NONE', 'not compressed')
audio_out.setnchannels(1)
audio_out.writeframes(raw_audio)
audio_out.close()
buffer.flush()
# these lines do not work...
# buffer.output(wav_buffer)
# file = wave.open(buffer, 'r')
# this file plays out fine in VLC
file = open(FILE_NAME + ".wav", 'w')
file.write(buffer.getvalue())
file.close()
buffer.close()
