def publishSubtitle(self, infohash, lang, pathToSrtSubtitle):
channelid = bin2str(self.my_permid)
base64infohash = bin2str(infohash)
consinstent = self.channelcast_db.isItemInChannel(channelid, base64infohash)
if not consinstent:
msg = 'Infohash %s not found in my channel. Rejecting subtitle' % base64infohash
if DEBUG:
print >> sys.stderr, msg
raise RichMetadataException(msg)
try:
filepath = self.subtitlesHandler.copyToSubtitlesFolder(pathToSrtSubtitle, self.my_permid, infohash, lang)
except Exception as e:
if DEBUG:
print >> sys.stderr, 'Failed to read and copy subtitle to appropriate folder: %s' % str(e)
metadataDTO = self.richMetadata_db.getMetadata(self.my_permid, infohash)
if metadataDTO is None:
metadataDTO = MetadataDTO(self.my_permid, infohash)
else:
metadataDTO.resetTimestamp()
newSubtitle = SubtitleInfo(lang, filepath)
if newSubtitle.subtitleExists():
newSubtitle.computeChecksum()
else:
msg = 'Inconsistency found. The subtitle was not published'
if DEBUG:
print >> sys.stderr, msg
raise RichMetadataException(msg)
metadataDTO.addSubtitle(newSubtitle)
metadataDTO.sign(self.my_keypair)
self.richMetadata_db.insertMetadata(metadataDTO)
def getMetadata(self, channel, infohash):
query = QUERIES['SELECT METADATA']
infohash = bin2str(infohash)
channel = bin2str(channel)
res = self._db.fetchall(query, (infohash, channel))
if len(res) == 0:
return
if len(res) > 1:
raise MetadataDBException('Metadata DB Constraint violated')
metaTuple = res[0]
subsDictionary = self._getAllSubtitlesByKey(metaTuple[0])
publisher = str2bin(metaTuple[1])
infohash = str2bin(metaTuple[2])
timestamp = int(metaTuple[4])
description = unicode(metaTuple[3])
signature = str2bin(metaTuple[5])
toReturn = MetadataDTO(publisher, infohash, timestamp, description, None, signature)
for sub in subsDictionary.itervalues():
toReturn.addSubtitle(sub)
return toReturn
def getMetadata(self, channel, infohash):
query = QUERIES['SELECT METADATA']
infohash = bin2str(infohash)
channel = bin2str(channel)
res = self._db.fetchall(query, (infohash, channel))
if len(res) == 0:
return
if len(res) > 1:
raise MetadataDBException('Metadata DB Constraint violated')
metaTuple = res[0]
subsDictionary = self._getAllSubtitlesByKey(metaTuple[0])
publisher = str2bin(metaTuple[1])
infohash = str2bin(metaTuple[2])
timestamp = int(metaTuple[4])
description = unicode(metaTuple[3])
signature = str2bin(metaTuple[5])
toReturn = MetadataDTO(publisher, infohash, timestamp, description,
None, signature)
for sub in subsDictionary.itervalues():
toReturn.addSubtitle(sub)
return toReturn