Mercurial > cpython-lru_cache-weakref

annotate Lib/toaiff.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents a89be25072e3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
Guido van Rossum <guido@python.org>
parents: 10300
diff changeset
1 """Convert "arbitrary" sound files to AIFF (Apple and SGI's audio format).
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
Guido van Rossum <guido@python.org>
parents: 10300
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2
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
Guido van Rossum <guido@python.org>
parents: 10300
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3 Input may be compressed.
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
Guido van Rossum <guido@python.org>
parents: 10300
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4 Uncompressed file type may be AIFF, WAV, VOC, 8SVX, NeXT/Sun, and others.
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
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parents: 10300
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5 An exception is raised if the file is not of a recognized type.
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
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6 Returned filename is either the input filename or a temporary filename;
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Guido van Rossum <guido@python.org>
parents: 10300
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7 in the latter case the caller must ensure that it is removed.
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parents: 10300
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8 Other temporary files used are removed by the function.
6f4146846337 The third and final doc-string sweep by Ka-Ping Yee.
Guido van Rossum <guido@python.org>
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9 """
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a89be25072e3 Deprecate the toaiff module for removal in 3.0.
Brett Cannon <bcannon@gmail.com>
parents: 31515
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10 from warnings import warnpy3k
a89be25072e3 Deprecate the toaiff module for removal in 3.0.
Brett Cannon <bcannon@gmail.com>
parents: 31515
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11 warnpy3k("the toaiff module has been removed in Python 3.0", stacklevel=2)
a89be25072e3 Deprecate the toaiff module for removal in 3.0.
Brett Cannon <bcannon@gmail.com>
parents: 31515
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12 del warnpy3k
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13
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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14 import os
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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15 import tempfile
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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16 import pipes
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fd09b3fd1edc Use sndhdr instead of the obsolete whatsound module.
Fred Drake <fdrake@acm.org>
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17 import sndhdr
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18
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0feb63490093 final round of __all__ lists (I hope) - skipped urllib2 because Moshe may be
Skip Montanaro <skip@pobox.com>
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19 __all__ = ["error", "toaiff"]
0feb63490093 final round of __all__ lists (I hope) - skipped urllib2 because Moshe may be
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20
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21 table = {}
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22
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23 t = pipes.Template()
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24 t.append('sox -t au - -t aiff -r 8000 -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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25 table['au'] = t
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26
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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27 # XXX The following is actually sub-optimal.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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28 # XXX The HCOM sampling rate can be 22k, 22k/2, 22k/3 or 22k/4.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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29 # XXX We must force the output sampling rate else the SGI won't play
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30 # XXX files sampled at 5.5k or 7.333k; however this means that files
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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31 # XXX sampled at 11k are unnecessarily expanded.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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32 # XXX Similar comments apply to some other file types.
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33 t = pipes.Template()
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34 t.append('sox -t hcom - -t aiff -r 22050 -', '--')
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35 table['hcom'] = t
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36
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37 t = pipes.Template()
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38 t.append('sox -t voc - -t aiff -r 11025 -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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39 table['voc'] = t
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40
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parents: 1297
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41 t = pipes.Template()
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42 t.append('sox -t wav - -t aiff -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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43 table['wav'] = t
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44
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parents: 1297
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45 t = pipes.Template()
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46 t.append('sox -t 8svx - -t aiff -r 16000 -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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47 table['8svx'] = t
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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48
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560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__()
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parents: 1297
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49 t = pipes.Template()
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50 t.append('sox -t sndt - -t aiff -r 16000 -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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51 table['sndt'] = t
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52
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560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__()
Guido van Rossum <guido@python.org>
parents: 1297
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53 t = pipes.Template()
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245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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54 t.append('sox -t sndr - -t aiff -r 16000 -', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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55 table['sndr'] = t
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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56
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560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__()
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parents: 1297
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57 uncompress = pipes.Template()
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58 uncompress.append('uncompress', '--')
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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59
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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60
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5b34b70ecf22 Convert some old-style string exceptions to class exceptions.
Fred Drake <fdrake@acm.org>
parents: 13620
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61 class error(Exception):
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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62 pass
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63
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
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64 def toaiff(filename):
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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65 temps = []
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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66 ret = None
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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67 try:
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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68 ret = _toaiff(filename, temps)
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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69 finally:
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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70 for temp in temps[:]:
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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71 if temp != ret:
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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72 try:
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73 os.unlink(temp)
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74 except os.error:
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75 pass
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76 temps.remove(temp)
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parents: 15543
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77 return ret
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78
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79 def _toaiff(filename, temps):
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parents: 15543
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80 if filename[-2:] == '.Z':
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11c701038805 Massive changes from SF 589982 (tempfile.py rewrite, by Zack
Guido van Rossum <guido@python.org>
parents: 23620
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81 (fd, fname) = tempfile.mkstemp()
11c701038805 Massive changes from SF 589982 (tempfile.py rewrite, by Zack
Guido van Rossum <guido@python.org>
parents: 23620
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82 os.close(fd)
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83 temps.append(fname)
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Tim Peters <tim.peters@gmail.com>
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84 sts = uncompress.copy(filename, fname)
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Tim Peters <tim.peters@gmail.com>
parents: 15543
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85 if sts:
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Tim Peters <tim.peters@gmail.com>
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86 raise error, filename + ': uncompress failed'
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Tim Peters <tim.peters@gmail.com>
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87 else:
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88 fname = filename
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Tim Peters <tim.peters@gmail.com>
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89 try:
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90 ftype = sndhdr.whathdr(fname)
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91 if ftype:
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92 ftype = ftype[0] # All we're interested in
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4dd38d930157 Capture exception message (PyChecker)
Andrew M. Kuchling <amk@amk.ca>
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93 except IOError, msg:
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Tim Peters <tim.peters@gmail.com>
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94 if type(msg) == type(()) and len(msg) == 2 and \
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95 type(msg[0]) == type(0) and type(msg[1]) == type(''):
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96 msg = msg[1]
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97 if type(msg) != type(''):
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71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
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98 msg = repr(msg)
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Tim Peters <tim.peters@gmail.com>
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99 raise error, filename + ': ' + msg
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100 if ftype == 'aiff':
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Tim Peters <tim.peters@gmail.com>
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101 return fname
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a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 19211
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102 if ftype is None or not ftype in table:
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71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 24725
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103 raise error, '%s: unsupported audio file type %r' % (filename, ftype)
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69079ac7c512 Fix a typo in the mktemp -> mkstemp patch.
Guido van Rossum <guido@python.org>
parents: 24710
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104 (fd, temp) = tempfile.mkstemp()
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11c701038805 Massive changes from SF 589982 (tempfile.py rewrite, by Zack
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105 os.close(fd)
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106 temps.append(temp)
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Tim Peters <tim.peters@gmail.com>
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107 sts = table[ftype].copy(fname, temp)
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Tim Peters <tim.peters@gmail.com>
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108 if sts:
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Tim Peters <tim.peters@gmail.com>
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109 raise error, filename + ': conversion to aiff failed'
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Tim Peters <tim.peters@gmail.com>
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110 return temp