pylint wave.py

wave.py

@@ -7,17 +7,22 @@ import logging
 log = logging.getLogger(__name__)
 
 from common import Fs
-Fs = int(Fs) # sampling rate
+Fs = int(Fs)  # sampling rate
 bits_per_sample = 16
 bytes_per_second = bits_per_sample * Fs / 8.0
 
-audio_format = 'S{}_LE'.format(bits_per_sample) # PCM signed little endian
+audio_format = 'S{}_LE'.format(bits_per_sample)  # PCM signed little endian
+
 
 def play(fname, **kwargs):
-    return launch('aplay', fname, '-q', '-f', audio_format, '-c', '1', '-r', Fs, **kwargs)
+    args = ['aplay', fname, '-q', '-f', audio_format, '-c', '1', '-r', Fs]
+    return launch(*args, **kwargs)
+
 
 def record(fname, **kwargs):
-    return launch('arecord', fname, '-q', '-f', audio_format, '-c', '1', '-r', Fs, **kwargs)
+    args = ['arecord', fname, '-q', '-f', audio_format, '-c', '1', '-r', Fs]
+    return launch(*args, **kwargs)
+
 
 def launch(*args, **kwargs):
     args = map(str, args)
@@ -34,11 +39,15 @@ if __name__ == '__main__':
     subparsers = parser.add_subparsers()
     fmt = 'a raw audio file (16 bits at {:.1f} kHz)'.format(Fs / 1e3)
     recorder = subparsers.add_parser('record', help='record ' + fmt)
-    recorder.add_argument('filename', default='-', help='path to the audio file to record (otherwise, use stdout)')
+    recorder.add_argument(
+        'filename', default='-',
+        help='path to the audio file to record (otherwise, use stdout)')
     recorder.set_defaults(func=record)
 
     player = subparsers.add_parser('play', help='play ' + fmt)
-    player.add_argument('filename', default='-', help='path to the audio file to play (otherwise, use stdin)')
+    player.add_argument(
+        'filename', default='-',
+        help='path to the audio file to play (otherwise, use stdin)')
     player.set_defaults(func=play)
 
     args = parser.parse_args()