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Remove assert from audio

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This commit is contained in:
Hsiaoming Yang
2014-11-27 15:33:37 +08:00
parent baaa2e54bb
commit 53b6ba378c
1 changed files with 3 additions and 7 deletions
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10
captcha/audio.py
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@@ -36,7 +36,7 @@ def _read_wave_file(filepath):
w = wave.open(filepath)
data = w.readframes(-1)
w.close()
return data
return bytearray(data)
def change_speed(body, speed=1):
@@ -62,8 +62,6 @@ def patch_wave_header(body):
:param body: the wave content body, it should be bytearray.
"""
assert isinstance(body, bytearray)
length = len(body)
padded = length + length % 2
@@ -106,8 +104,6 @@ def create_silence(length):
def change_sound(body, level=1):
assert isinstance(body, bytearray)
if level == 1:
return body
@@ -140,7 +136,7 @@ def mix_wave(src, dst):
return dst
BEEP = bytearray(_read_wave_file(os.path.join(DATA_DIR, 'beep.wav')))
BEEP = _read_wave_file(os.path.join(DATA_DIR, 'beep.wav'))
END_BEEP = change_speed(BEEP, 1.4)
SILENCE = create_silence(int(WAVE_SAMPLE_RATE / 5))
@@ -206,7 +202,7 @@ class AudioCaptcha(object):
for f in os.listdir(dirname):
filepath = os.path.join(dirname, f)
if f.endswith('.wav') and os.path.isfile(filepath):
data.append(bytearray(_read_wave_file(filepath)))
data.append(_read_wave_file(filepath))
self._cache[name] = data
def _twist_pick(self, key):