diff options
Diffstat (limited to 'lib/python2.7/toaiff.py')
-rw-r--r-- | lib/python2.7/toaiff.py | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/lib/python2.7/toaiff.py b/lib/python2.7/toaiff.py deleted file mode 100644 index 3a2b80c..0000000 --- a/lib/python2.7/toaiff.py +++ /dev/null @@ -1,110 +0,0 @@ -"""Convert "arbitrary" sound files to AIFF (Apple and SGI's audio format). - -Input may be compressed. -Uncompressed file type may be AIFF, WAV, VOC, 8SVX, NeXT/Sun, and others. -An exception is raised if the file is not of a recognized type. -Returned filename is either the input filename or a temporary filename; -in the latter case the caller must ensure that it is removed. -Other temporary files used are removed by the function. -""" -from warnings import warnpy3k -warnpy3k("the toaiff module has been removed in Python 3.0", stacklevel=2) -del warnpy3k - -import os -import tempfile -import pipes -import sndhdr - -__all__ = ["error", "toaiff"] - -table = {} - -t = pipes.Template() -t.append('sox -t au - -t aiff -r 8000 -', '--') -table['au'] = t - -# XXX The following is actually sub-optimal. -# XXX The HCOM sampling rate can be 22k, 22k/2, 22k/3 or 22k/4. -# XXX We must force the output sampling rate else the SGI won't play -# XXX files sampled at 5.5k or 7.333k; however this means that files -# XXX sampled at 11k are unnecessarily expanded. -# XXX Similar comments apply to some other file types. -t = pipes.Template() -t.append('sox -t hcom - -t aiff -r 22050 -', '--') -table['hcom'] = t - -t = pipes.Template() -t.append('sox -t voc - -t aiff -r 11025 -', '--') -table['voc'] = t - -t = pipes.Template() -t.append('sox -t wav - -t aiff -', '--') -table['wav'] = t - -t = pipes.Template() -t.append('sox -t 8svx - -t aiff -r 16000 -', '--') -table['8svx'] = t - -t = pipes.Template() -t.append('sox -t sndt - -t aiff -r 16000 -', '--') -table['sndt'] = t - -t = pipes.Template() -t.append('sox -t sndr - -t aiff -r 16000 -', '--') -table['sndr'] = t - -uncompress = pipes.Template() -uncompress.append('uncompress', '--') - - -class error(Exception): - pass - -def toaiff(filename): - temps = [] - ret = None - try: - ret = _toaiff(filename, temps) - finally: - for temp in temps[:]: - if temp != ret: - try: - os.unlink(temp) - except os.error: - pass - temps.remove(temp) - return ret - -def _toaiff(filename, temps): - if filename[-2:] == '.Z': - (fd, fname) = tempfile.mkstemp() - os.close(fd) - temps.append(fname) - sts = uncompress.copy(filename, fname) - if sts: - raise error, filename + ': uncompress failed' - else: - fname = filename - try: - ftype = sndhdr.whathdr(fname) - if ftype: - ftype = ftype[0] # All we're interested in - except IOError, msg: - if type(msg) == type(()) and len(msg) == 2 and \ - type(msg[0]) == type(0) and type(msg[1]) == type(''): - msg = msg[1] - if type(msg) != type(''): - msg = repr(msg) - raise error, filename + ': ' + msg - if ftype == 'aiff': - return fname - if ftype is None or not ftype in table: - raise error, '%s: unsupported audio file type %r' % (filename, ftype) - (fd, temp) = tempfile.mkstemp() - os.close(fd) - temps.append(temp) - sts = table[ftype].copy(fname, temp) - if sts: - raise error, filename + ': conversion to aiff failed' - return temp |