comparison demos/echo.py @ 331:9741b52f194a

Reformat code and documentation

-
-from auditok import ADSFactory, AudioEnergyValidator, StreamTokenizer, player_for
+from auditok import (
+    ADSFactory,
+    AudioEnergyValidator,
+    StreamTokenizer,
+    player_for,
+)
 import pyaudio
 import sys
 
 try:
 
-   energy_threshold = 45
-   duration = 10 # seconds
+    energy_threshold = 45
+    duration = 10  # seconds
 
+    if len(sys.argv) > 1:
+        energy_threshold = float(sys.argv[1])
 
-   if len(sys.argv) > 1:
-     energy_threshold = float(sys.argv[1])
+    if len(sys.argv) > 2:
+        duration = float(sys.argv[2])
 
-   if len(sys.argv) > 2:
-     duration = float(sys.argv[2])
+    # record = True so that we'll be able to rewind the source.
+    # max_time = 10: read 10 seconds from the microphone
+    asource = ADSFactory.ads(record=True, max_time=duration)
 
-   # record = True so that we'll be able to rewind the source.
-   # max_time = 10: read 10 seconds from the microphone
-   asource = ADSFactory.ads(record=True, max_time = duration)
+    validator = AudioEnergyValidator(
+        sample_width=asource.get_sample_width(),
+        energy_threshold=energy_threshold,
+    )
+    tokenizer = StreamTokenizer(
+        validator=validator,
+        min_length=20,
+        max_length=250,
+        max_continuous_silence=30,
+    )
 
-   validator = AudioEnergyValidator(sample_width=asource.get_sample_width(), energy_threshold = energy_threshold)
-   tokenizer = StreamTokenizer(validator=validator, min_length=20, max_length=250, max_continuous_silence=30)
+    player = player_for(asource)
 
-   player = player_for(asource)
+    def echo(data, start, end):
+        print("Acoustic activity at: {0}--{1}".format(start, end))
+        player.play(b"".join(data))
 
-   def echo(data, start, end):
-      print("Acoustic activity at: {0}--{1}".format(start, end))
-      player.play(b''.join(data))
+    asource.open()
 
-   asource.open()
+    print(
+        "\n  ** Make some noise (dur:{}, energy:{})...".format(
+            duration, energy_threshold
+        )
+    )
 
-   print("\n  ** Make some noise (dur:{}, energy:{})...".format(duration, energy_threshold))
+    tokenizer.tokenize(asource, callback=echo)
 
-   tokenizer.tokenize(asource, callback=echo)
-
-   asource.close()
-   player.stop()
+    asource.close()
+    player.stop()
 
 except KeyboardInterrupt:
 
-   player.stop()
-   asource.close()
-   sys.exit(0)
+    player.stop()
+    asource.close()
+    sys.exit(0)
 
 except Exception as e:
-   
-   sys.stderr.write(str(e) + "\n")
-   sys.exit(1)
+
+    sys.stderr.write(str(e) + "\n")
+    sys.exit(1)