GIF89a;
EcchiShell v1.0
/
/
lib64/
lib64/
lib64/
lib64/
python2.7/
Demo/
> 8) & 255) + chr(val & 255)
return sinewave
defaultwave = mkwave(OCTAVE)
def main():
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], 'o:p:')
except getopt.error:
sys.stderr.write('Usage ' + sys.argv[0] +
' [ -o outfile ] [ -p octave ] [ words ] ...\n')
sys.exit(1)
dev = None
wave = defaultwave
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':
wave = mkwave(int(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:
source = [' '.join(args)]
else:
source = iter(sys.stdin.readline, '')
for line in source:
mline = morse(line)
play(mline, dev, wave)
if hasattr(dev, 'wait'):
dev.wait()
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 += morsetab[c] + '\001'
except KeyError:
pass
return res
# Play a line of morse code.
def play(line, dev, wave):
for c in line:
if c == '.':
sine(dev, DOT, wave)
elif c == '-':
sine(dev, DAH, wave)
else: # space
pause(dev, DAH + DOT)
pause(dev, DOT)
def sine(dev, length, wave):
for i in range(length):
dev.writeframesraw(wave)
def pause(dev, length):
for i in range(length):
dev.writeframesraw(nowave)
if __name__ == '__main__':
main()