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Update README, remove obsolete script.
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Georg Brandl
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@ -2,21 +2,21 @@ This directory contains a collection of executable Python scripts.
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See also the Tools/scripts directory!
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beer.py Print the classic 'bottles of beer' list
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eqfix.py Fix .py files to use the correct equality test operator
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fact.py Factorize numbers
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find-uname.py Search for Unicode characters using regexps
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from.py Summarize mailbox
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lpwatch.py Watch BSD line printer queues
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makedir.py Like mkdir -p
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markov.py Markov chain simulation of words or characters
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mboxconvert.py Convert MH or MMDF mailboxes to unix mailbox format
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morse.py Produce morse code (as an AIFF file)
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newslist.py List all newsgroups on a NNTP server as HTML pages
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pi.py Print all digits of pi -- given enough time and memory
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pp.py Emulate some Perl command line options
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primes.py Print prime numbers
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queens.py Dijkstra's solution to Wirth's "N Queens problem"
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script.py Equivalent to BSD script(1) -- by Steen Lumholt
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unbirthday.py Print unbirthday count
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update.py Update a bunch of files according to a script.
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beer.py Print the classic 'bottles of beer' list
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eqfix.py Fix .py files to use the correct equality test operator
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fact.py Factorize numbers
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find-uname.py Search for Unicode characters using regexps
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from.py Summarize mailbox
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lpwatch.py Watch BSD line printer queues
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makedir.py Like mkdir -p
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markov.py Markov chain simulation of words or characters
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mboxconvert.py Convert MH or MMDF mailboxes to unix mailbox format
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morse.py Produce morse code (as an AIFF file)
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newslist.py List all newsgroups on a NNTP server as HTML pages
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pi.py Print all digits of pi -- given enough time and memory
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pp.py Emulate some Perl command line options
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primes.py Print prime numbers
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queens.py Dijkstra's solution to Wirth's "N Queens problem"
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script.py Equivalent to BSD script(1) -- by Steen Lumholt
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unbirthday.py Print unbirthday count
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update.py Update a bunch of files according to a script
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@ -1,107 +0,0 @@
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"""Convert "arbitrary" sound files to AIFF (Apple and SGI's audio format).
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Input may be compressed.
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Uncompressed file type may be AIFF, WAV, VOC, 8SVX, NeXT/Sun, and others.
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An exception is raised if the file is not of a recognized type.
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Returned filename is either the input filename or a temporary filename;
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in the latter case the caller must ensure that it is removed.
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Other temporary files used are removed by the function.
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"""
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import os
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import tempfile
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import pipes
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import sndhdr
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__all__ = ["error", "toaiff"]
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table = {}
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t = pipes.Template()
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t.append('sox -t au - -t aiff -r 8000 -', '--')
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table['au'] = t
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# XXX The following is actually sub-optimal.
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# XXX The HCOM sampling rate can be 22k, 22k/2, 22k/3 or 22k/4.
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# XXX We must force the output sampling rate else the SGI won't play
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# XXX files sampled at 5.5k or 7.333k; however this means that files
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# XXX sampled at 11k are unnecessarily expanded.
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# XXX Similar comments apply to some other file types.
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t = pipes.Template()
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t.append('sox -t hcom - -t aiff -r 22050 -', '--')
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table['hcom'] = t
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t = pipes.Template()
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t.append('sox -t voc - -t aiff -r 11025 -', '--')
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table['voc'] = t
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t = pipes.Template()
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t.append('sox -t wav - -t aiff -', '--')
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table['wav'] = t
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t = pipes.Template()
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t.append('sox -t 8svx - -t aiff -r 16000 -', '--')
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table['8svx'] = t
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t = pipes.Template()
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t.append('sox -t sndt - -t aiff -r 16000 -', '--')
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table['sndt'] = t
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t = pipes.Template()
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t.append('sox -t sndr - -t aiff -r 16000 -', '--')
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table['sndr'] = t
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uncompress = pipes.Template()
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uncompress.append('uncompress', '--')
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class error(Exception):
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pass
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def toaiff(filename):
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temps = []
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ret = None
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try:
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ret = _toaiff(filename, temps)
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finally:
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for temp in temps[:]:
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if temp != ret:
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try:
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os.unlink(temp)
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except os.error:
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pass
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temps.remove(temp)
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return ret
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def _toaiff(filename, temps):
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if filename[-2:] == '.Z':
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(fd, fname) = tempfile.mkstemp()
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os.close(fd)
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temps.append(fname)
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sts = uncompress.copy(filename, fname)
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if sts:
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raise error(filename + ': uncompress failed')
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else:
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fname = filename
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try:
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ftype = sndhdr.whathdr(fname)
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if ftype:
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ftype = ftype[0] # All we're interested in
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except IOError as msg:
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if type(msg) == type(()) and len(msg) == 2 and \
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type(msg.args[0]) == type(0) and type(msg.args[1]) == type(''):
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msg = msg.args[1]
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if type(msg) != type(''):
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msg = repr(msg)
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raise error(filename + ': ' + msg)
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if ftype == 'aiff':
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return fname
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if ftype is None or not ftype in table:
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raise error('%s: unsupported audio file type %r' % (filename, ftype))
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(fd, temp) = tempfile.mkstemp()
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os.close(fd)
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temps.append(temp)
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sts = table[ftype].copy(fname, temp)
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if sts:
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raise error(filename + ': conversion to aiff failed')
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return temp
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