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authorGuido van Rossum <guido@python.org>2007-08-05 15:29:28 +0000
committerGuido van Rossum <guido@python.org>2007-08-05 15:29:28 +0000
commit33d2689fc900a814f0a7d2f846abe0c34024ae17 (patch)
tree1ecddf8b9e18933d1fd90d5eda510908ec71695b /Demo
parent77553ab531c6a98c3d06b7ba4158b06ed0af8c69 (diff)
downloadcpython-git-33d2689fc900a814f0a7d2f846abe0c34024ae17.tar.gz
Merged revisions 56492-56752 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk ........ r56497 | kurt.kaiser | 2007-07-22 14:55:16 -0700 (Sun, 22 Jul 2007) | 4 lines In the case of syntax errors, in py3k format_exception_only() was including line number and position in the final line of the exception notification, duplicating info in previous lines. ........ r56501 | kurt.kaiser | 2007-07-22 19:35:50 -0700 (Sun, 22 Jul 2007) | 2 lines Hum, needed a newline in the last change. ........ r56536 | kurt.kaiser | 2007-07-24 19:06:48 -0700 (Tue, 24 Jul 2007) | 5 lines Not all instantiations of SyntaxError set the args attribute. e.g. symtable.c Modify format_exception_only() to get SyntaxError attributes directly instead of unpacking 'args'. ........ r56537 | kurt.kaiser | 2007-07-24 19:13:03 -0700 (Tue, 24 Jul 2007) | 3 lines Update doctest strings: traceback.py no longer prints redundant location information in the last line of the exception display. ........ r56627 | kurt.kaiser | 2007-07-29 21:06:57 -0700 (Sun, 29 Jul 2007) | 2 lines Interactive interpreter emulator (code.py) failing to print exceptions. ........ r56628 | kurt.kaiser | 2007-07-29 21:41:02 -0700 (Sun, 29 Jul 2007) | 2 lines Eliminate extra lines before and after tracebacks. ........ r56638 | kurt.kaiser | 2007-07-31 19:36:45 -0700 (Tue, 31 Jul 2007) | 3 lines Refactor syntax error display in shell and edit windows; move colorize_syntax_error() to EditorWindow; update to py3k. ........ r56685 | neal.norwitz | 2007-08-02 22:20:23 -0700 (Thu, 02 Aug 2007) | 10 lines Remove several h/w and o/s specific modules that are undocumented, obsolete, and/or not widely used: linuxaudiodev.c, sunaudiodev.c Lib/plat-sunos5/SUNAUDIODEV.py Lib/audiodev.py Tools/audiopy/audiopy Move Lib/toaiff.py to Demo. See PEP 3108 for most of the details. ........ r56686 | neal.norwitz | 2007-08-02 22:21:48 -0700 (Thu, 02 Aug 2007) | 4 lines Missed one module that should have been removed since it relied on audiodev which was removed. ........ r56748 | neal.norwitz | 2007-08-04 19:19:04 -0700 (Sat, 04 Aug 2007) | 1 line Make from X import * outside module scope an error. ........ r56750 | neal.norwitz | 2007-08-04 19:35:01 -0700 (Sat, 04 Aug 2007) | 1 line Use READONLY consistently instead of RO ........
Diffstat (limited to 'Demo')
-rwxr-xr-xDemo/scripts/morse.py149
-rw-r--r--Demo/scripts/toaiff.py107
2 files changed, 107 insertions, 149 deletions
diff --git a/Demo/scripts/morse.py b/Demo/scripts/morse.py
deleted file mode 100755
index 3da49da9e6..0000000000
--- a/Demo/scripts/morse.py
+++ /dev/null
@@ -1,149 +0,0 @@
-# DAH should be three DOTs.
-# Space between DOTs and DAHs should be one DOT.
-# Space between two letters should be one DAH.
-# Space between two words should be DOT DAH DAH.
-
-import sys, math, audiodev
-
-DOT = 30
-DAH = 3 * DOT
-OCTAVE = 2 # 1 == 441 Hz, 2 == 882 Hz, ...
-
-morsetab = {
- 'A': '.-', 'a': '.-',
- 'B': '-...', 'b': '-...',
- 'C': '-.-.', 'c': '-.-.',
- 'D': '-..', 'd': '-..',
- 'E': '.', 'e': '.',
- 'F': '..-.', 'f': '..-.',
- 'G': '--.', 'g': '--.',
- 'H': '....', 'h': '....',
- 'I': '..', 'i': '..',
- 'J': '.---', 'j': '.---',
- 'K': '-.-', 'k': '-.-',
- 'L': '.-..', 'l': '.-..',
- 'M': '--', 'm': '--',
- 'N': '-.', 'n': '-.',
- 'O': '---', 'o': '---',
- 'P': '.--.', 'p': '.--.',
- 'Q': '--.-', 'q': '--.-',
- 'R': '.-.', 'r': '.-.',
- 'S': '...', 's': '...',
- 'T': '-', 't': '-',
- 'U': '..-', 'u': '..-',
- 'V': '...-', 'v': '...-',
- 'W': '.--', 'w': '.--',
- 'X': '-..-', 'x': '-..-',
- 'Y': '-.--', 'y': '-.--',
- 'Z': '--..', 'z': '--..',
- '0': '-----',
- '1': '.----',
- '2': '..---',
- '3': '...--',
- '4': '....-',
- '5': '.....',
- '6': '-....',
- '7': '--...',
- '8': '---..',
- '9': '----.',
- ',': '--..--',
- '.': '.-.-.-',
- '?': '..--..',
- ';': '-.-.-.',
- ':': '---...',
- "'": '.----.',
- '-': '-....-',
- '/': '-..-.',
- '(': '-.--.-',
- ')': '-.--.-',
- '_': '..--.-',
- ' ': ' '
-}
-
-# If we play at 44.1 kHz (which we do), then if we produce one sine
-# wave in 100 samples, we get a tone of 441 Hz. If we produce two
-# sine waves in these 100 samples, we get a tone of 882 Hz. 882 Hz
-# appears to be a nice one for playing morse code.
-def mkwave(octave):
- global sinewave, nowave
- sinewave = ''
- for i in range(100):
- val = int(math.sin(math.pi * float(i) * octave / 50.0) * 30000)
- sinewave = sinewave + chr((val >> 8) & 255) + chr(val & 255)
- nowave = '\0' * 200
-
-mkwave(OCTAVE)
-
-def main():
- import getopt, string
- try:
- opts, args = getopt.getopt(sys.argv[1:], 'o:p:')
- except getopt.error:
- sys.stderr.write('Usage ' + sys.argv[0] +
- ' [ -o outfile ] [ args ] ...\n')
- sys.exit(1)
- dev = None
- for o, a in opts:
- if o == '-o':
- import aifc
- dev = aifc.open(a, 'w')
- dev.setframerate(44100)
- dev.setsampwidth(2)
- dev.setnchannels(1)
- if o == '-p':
- mkwave(string.atoi(a))
- if not dev:
- import audiodev
- dev = audiodev.AudioDev()
- dev.setoutrate(44100)
- dev.setsampwidth(2)
- dev.setnchannels(1)
- dev.close = dev.stop
- dev.writeframesraw = dev.writeframes
- if args:
- line = string.join(args)
- else:
- line = sys.stdin.readline()
- while line:
- mline = morse(line)
- play(mline, dev)
- if hasattr(dev, 'wait'):
- dev.wait()
- if not args:
- line = sys.stdin.readline()
- else:
- line = ''
- dev.close()
-
-# Convert a string to morse code with \001 between the characters in
-# the string.
-def morse(line):
- res = ''
- for c in line:
- try:
- res = res + morsetab[c] + '\001'
- except KeyError:
- pass
- return res
-
-# Play a line of morse code.
-def play(line, dev):
- for c in line:
- if c == '.':
- sine(dev, DOT)
- elif c == '-':
- sine(dev, DAH)
- else: # space
- pause(dev, DAH + DOT)
- pause(dev, DOT)
-
-def sine(dev, length):
- for i in range(length):
- dev.writeframesraw(sinewave)
-
-def pause(dev, length):
- for i in range(length):
- dev.writeframesraw(nowave)
-
-if __name__ == '__main__' or sys.argv[0] == __name__:
- main()
diff --git a/Demo/scripts/toaiff.py b/Demo/scripts/toaiff.py
new file mode 100644
index 0000000000..438d225dd8
--- /dev/null
+++ b/Demo/scripts/toaiff.py
@@ -0,0 +1,107 @@
+"""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.
+"""
+
+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 as 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