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Allow pipe read/write #68

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Merged
bastibe merged 1 commit into from
Jan 19, 2015
Merged

Allow pipe read/write #68

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7 changes: 7 additions & 0 deletions pysoundfile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -673,6 +673,13 @@ def __init__(self, file, mode='r', samplerate=None, channels=None,
# truncate the file, because SFM_RDWR doesn't:
_os.close(_os.open(file, _os.O_WRONLY | _os.O_TRUNC))
self._file = _snd.sf_open(file.encode(), mode_int, self._info)
if mode_int == _snd.SFM_WRITE:
# Due to a bug in libsndfile version <= 1.0.25, frames != 0
# when opening a named pipe in SFM_WRITE mode.
# See http://github.com/erikd/libsndfile/issues/77.
self._info.frames = 0
# This is not necessary for "normal" files (because
# frames == 0 in this case), but it doesn't hurt, either.
elif isinstance(file, int):
self._file = _snd.sf_open_fd(file, mode_int, self._info, closefd)
elif all(hasattr(file, a) for a in ('seek', 'read', 'write', 'tell')):
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