def captcha_audio(request, key):
if settings.CAPTCHA_FLITE_PATH:
try:
store = CaptchaStore.objects.get(hashkey=key)
except CaptchaStore.DoesNotExist:
# HTTP 410 Gone status so that crawlers don't index these expired urls.
return HttpResponse(status=410)
text = store.challenge
if "captcha.helpers.math_challenge" == settings.CAPTCHA_CHALLENGE_FUNCT:
text = text.replace("*",
"times").replace("-",
"minus").replace("+", "plus")
else:
text = ", ".join(list(text))
path = str(os.path.join(tempfile.gettempdir(), "%s.wav" % key))
subprocess.call([settings.CAPTCHA_FLITE_PATH, "-t", text, "-o", path])
# Add arbitrary noise if sox is installed
if settings.CAPTCHA_SOX_PATH:
arbnoisepath = str(
os.path.join(tempfile.gettempdir(), "%s_arbitrary.wav") % key)
mergedpath = str(
os.path.join(tempfile.gettempdir(), "%s_merged.wav") % key)
subprocess.call([
settings.CAPTCHA_SOX_PATH,
"-r",
"8000",
"-n",
arbnoisepath,
"synth",
"2",
"brownnoise",
"gain",
"-15",
])
subprocess.call([
settings.CAPTCHA_SOX_PATH,
"-m",
arbnoisepath,
path,
"-t",
"wavpcm",
"-b",
"16",
mergedpath,
])
os.remove(arbnoisepath)
os.remove(path)
os.rename(mergedpath, path)
if os.path.isfile(path):
response = RangedFileResponse(request,
open(path, "rb"),
content_type="audio/wav")
response[
"Content-Disposition"] = 'attachment; filename="{}.wav"'.format(
key)
return response
raise Http404
def 傳音檔(request, 音檔編號, 開始時間, 結束時間):
全部音檔 = 句表.objects.get(id=音檔編號).聲音檔()
語句音檔 = 全部音檔.照秒數切出音檔(float(開始時間), float(結束時間))
try:
with TemporaryDirectory() as 資料夾:
檔名 = join(資料夾, 'audio.wav')
with open(檔名, 'wb') as 檔案:
指令 = Popen(
[
'sox',
'-',
'-b',
'24',
檔名,
'remix',
'1',
# 'silence', '1', '0.01', '-40db', 'reverse',
# 'silence', '1', '0.01', '-40db', 'reverse',
],
stdin=PIPE)
指令.communicate(input=語句音檔.wav格式資料())
程式腳本._走指令(['normalize-audio', 檔名])
with open(檔名, 'rb') as 檔案:
資料 = 檔案.read()
except RuntimeError:
資料 = 語句音檔.wav格式資料()
return RangedFileResponse(request,
io.BytesIO(資料),
content_type="audio/wav")
def captcha_audio(request, key):
if settings.CAPTCHA_FLITE_PATH:
try:
store = CaptchaStore.objects.get(hashkey=key)
except CaptchaStore.DoesNotExist:
# HTTP 410 Gone status so that crawlers don't index these expired urls.
return HttpResponse(status=410)
text = store.challenge
if 'captcha.helpers.math_challenge' == settings.CAPTCHA_CHALLENGE_FUNCT:
text = text.replace('*', 'times').replace('-', 'minus').replace('+', 'plus')
else:
text = ', '.join(list(text))
path = str(os.path.join(tempfile.gettempdir(), '%s.wav' % key))
subprocess.call([settings.CAPTCHA_FLITE_PATH, "-t", text, "-o", path])
# Add arbitrary noise if sox is installed
if settings.CAPTCHA_SOX_PATH:
arbnoisepath = str(os.path.join(tempfile.gettempdir(), '%s_arbitrary.wav') % key)
mergedpath = str(os.path.join(tempfile.gettempdir(), '%s_merged.wav') % key)
subprocess.call([settings.CAPTCHA_SOX_PATH, '-r', '8000', '-n', arbnoisepath, 'synth', '2', 'brownnoise', 'gain', '-15'])
subprocess.call([settings.CAPTCHA_SOX_PATH, '-m', arbnoisepath, path, '-t', 'wavpcm', '-b', '16', mergedpath])
os.remove(arbnoisepath)
os.remove(path)
os.rename(mergedpath, path)
if os.path.isfile(path):
response = RangedFileResponse(request, open(path, 'rb'), content_type='audio/wav')
response['Content-Disposition'] = 'attachment; filename="{}.wav"'.format(key)
return response
raise Http404
def question_download(request, ID):
path = os.path.join(MEDIA_ROOT, 'question')
path = os.path.join(path, str(ID))
output_path = os.path.join(MEDIA_ROOT, 'download')
file_name = str(ID) + '.zip'
if os.path.exists(path):
zip_file_path(path, output_path, file_name)
file_path = os.path.join(output_path, file_name)
"""
def file_itertor(file_path, chunk_size=512):
with open(file_path, 'rb') as f:
while True:
c = f.read(chunk_size)
if c:
yield c
else:
break
response = StreamingHttpResponse(file_itertor(file_path))
response['Content-Type'] = 'application/octet-stream'
response['Content-Length'] = os.path.getsize(file_path)
response['Content-Disposition'] = 'attachment;filename="{0}"'.format(file_name)
return response
"""
response = RangedFileResponse(request,
open(file_path, 'rb'),
content_type='audio/wav')
response['Content-Disposition'] = 'attachment;filename="{0}"'.format(
file_name)
return response
else:
return HttpResponse("bad request")
def test_more_one_char(self):
request = self.factory.get(
'/path', HTTP_RANGE='bytes=10-17'
)
回應 = RangedFileResponse(
request, io.BytesIO(b'sui2khiau2tsiang5'), content_type='audio/wav'
)
self.assertContent(回應, b'tsiang5')
def test_failing(self):
request = self.factory.get(
'/path', HTTP_RANGE='bytes=17-20'
)
回應 = RangedFileResponse(
request, io.BytesIO(b'sui2khiau2tsiang5'), content_type='audio/wav'
)
self.assertEqual(回應.status_code, 416)
def video_stream(request, video_file): _file = "music/" + video_file if not os.path.isfile(_file): return HttpResponseNotFound() response = RangedFileResponse( request, open(_file, 'rb'), content_type=mimetypes.guess_type(_file)[0] ) response['Content-Length'] = os.path.getsize(_file) return response
def serve_media(request, path):
_file = settings.MEDIA_ROOT + path
if not os.path.isfile(_file):
return HttpResponseNotFound()
response = RangedFileResponse(request,
open(_file, 'rb'),
content_type=mimetypes.guess_type(_file)[0])
response['Content-Length'] = os.path.getsize(_file)
return response
def video_download(request, video_file):
_file = settings.DOWNLOAD_PATH + video_file
if not os.path.isfile(_file):
return HttpResponseNotFound()
response = RangedFileResponse(request,
open(_file, 'rb'),
content_type=mimetypes.guess_type(_file)[0])
response['Content-Length'] = os.path.getsize(_file)
response['Content-Disposition'] = 'attachment; filename="%s"' % video_file
return response
def serve_private_file(request, path):
"""
Simple example of a view to serve private files with xsendfile"
:param request:
:param path:
:return:
"""
if has_read_permission(request, path):
fileRes = serve(request, path, settings.MEDIA_ROOT, False)
response = RangedFileResponse(request, fileRes.file_to_stream,
fileRes._headers['content-type'][1])
return response
else:
return HttpResponseForbidden()
def get_response(self, request=None, name=None, add_extension=False):
if not request:
response = HttpResponseRedirect(redirect_to=self.file.url)
else:
response = RangedFileResponse(
request,
self.file.file,
content_type='application/octet-stream')
if not name:
name = posixpath.basename(self.file.name)
if add_extension and "." not in name: # use ending of saved file
ext = self.file.name.rsplit(".", 1)
if len(ext) > 1:
name = "%s.%s" % (name, ext[1])
# name is sanitized to not contain \n, and other ugly control chars
response['Content-Disposition'] = \
'attachment; filename="%s"' % posixpath.basename(name.replace(
r'"', r'\"'
))
return response
def 音檔包做回應(self, request, 音檔):
回應 = RangedFileResponse(
request, io.BytesIO(音檔), content_type='audio/wav'
)
回應['Content-Disposition'] = 'filename="taiwanese.wav"'
return 回應