def _decodeGETSUBSMessage(self, message):
try:
values = bdecode(message[1:])
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Error bdecoding message'
return None
if len(values) != 3:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid number of fields in GET_SUBS'
return None
channel_id, infohash, bitmask = values[0], values[1], values[2]
if not validPermid(channel_id):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid channel_id in GET_SUBS'
return None
if not validInfohash(infohash):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid infohash in GET_SUBS'
return None
if not isinstance(bitmask, str) or not len(bitmask) == 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in GET_SUBS'
return None
try:
bitmask, = unpack('!L', bitmask)
languages = self._languagesUtility.maskToLangCodes(bitmask)
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in GET_SUBS'
return None
return (channel_id, infohash, languages)
def _decodeGETSUBSMessage(self, message):
try:
values = bdecode(message[1:])
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Error bdecoding message'
return None
if len(values) != 3:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid number of fields in GET_SUBS'
return None
channel_id, infohash, bitmask = values[0], values[1], values[2]
if not validPermid(channel_id):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid channel_id in GET_SUBS'
return None
if not validInfohash(infohash):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid infohash in GET_SUBS'
return None
if not isinstance(bitmask, str) or not len(bitmask) == 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in GET_SUBS'
return None
try:
bitmask, = unpack('!L', bitmask)
languages = self._languagesUtility.maskToLangCodes(bitmask)
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in GET_SUBS'
return None
return (channel_id, infohash, languages)
def _decodeSUBSMessage(self, message):
try:
values = bdecode(message[1:])
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Error bdecoding SUBS message'
return None
if len(values) != 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid number of fields in SUBS'
return None
channel_id, infohash, bitmask, contents = (values[0], values[1],
values[2], values[3])
if not validPermid(channel_id):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid channel_id in SUBS'
return None
if not validInfohash(infohash):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid infohash in SUBS'
return None
if not isinstance(bitmask, str) or not len(bitmask) == 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in SUBS'
return None
try:
bitmask, = unpack('!L', bitmask)
languages = self._languagesUtility.maskToLangCodes(bitmask)
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in SUBS'
return None
if not isinstance(contents, list):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid contents in SUBS'
return None
if len(languages) != len(contents):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Bitmask and contents do not match in SUBS'
return None
numOfContents = len(languages)
if numOfContents == 0:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Empty message. Discarding.'
return None
contentsDictionary = dict()
for i in range(numOfContents):
lang = languages[i]
subtitle = contents[i]
if len(subtitle) <= self._maxSubSize:
contentsDictionary[lang] = subtitle
elif DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Dropping subtitle, too large', len(
subtitle), self._maxSubSize
else:
continue
bitmask = self._languagesUtility.langCodesToMask(
contentsDictionary.keys())
return (channel_id, infohash, bitmask, contentsDictionary)
def _decodeSUBSMessage(self, message):
try:
values = bdecode(message[1:])
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Error bdecoding SUBS message'
return None
if len(values) != 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid number of fields in SUBS'
return None
channel_id, infohash, bitmask, contents = (values[0],
values[1],
values[2],
values[3])
if not validPermid(channel_id):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid channel_id in SUBS'
return None
if not validInfohash(infohash):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid infohash in SUBS'
return None
if not isinstance(bitmask, str) or not len(bitmask) == 4:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in SUBS'
return None
try:
bitmask, = unpack('!L', bitmask)
languages = self._languagesUtility.maskToLangCodes(bitmask)
except:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid bitmask in SUBS'
return None
if not isinstance(contents, list):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Invalid contents in SUBS'
return None
if len(languages) != len(contents):
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Bitmask and contents do not match in SUBS'
return None
numOfContents = len(languages)
if numOfContents == 0:
if DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Empty message. Discarding.'
return None
contentsDictionary = dict()
for i in range(numOfContents):
lang = languages[i]
subtitle = contents[i]
if len(subtitle) <= self._maxSubSize:
contentsDictionary[lang] = subtitle
elif DEBUG:
print >> sys.stderr, SUBS_LOG_PREFIX + 'Dropping subtitle, too large', len(subtitle), self._maxSubSize
else:
continue
bitmask = self._languagesUtility.langCodesToMask(contentsDictionary.keys())
return (channel_id,
infohash,
bitmask,
contentsDictionary)
