def updated_my_channel(self, tdef):
"""
Notify the core that we updated our channel.
"""
with db_session:
my_channel = self.mds.ChannelMetadata.get(
infohash=tdef.get_infohash())
if (my_channel and my_channel.status == COMMITTED
and not self.download_manager.download_exists(
bytes(my_channel.infohash))):
dcfg = DownloadConfig(state_dir=self.state_dir)
dcfg.set_dest_dir(self.mds.channels_dir)
dcfg.set_channel_download(True)
return self.download_manager.start_download(tdef=tdef, config=dcfg)
async def download_channel(self, channel):
"""
Download a channel with a given infohash and title.
:param channel: The channel metadata ORM object.
"""
metainfo = await self.download_manager.get_metainfo(bytes(
channel.infohash),
timeout=60,
hops=0)
if metainfo is None:
# Timeout looking for the channel metainfo. Probably, there are no seeds.
# TODO: count the number of tries we had with the channel, so we can stop trying eventually
return
try:
if metainfo[b'info'][b'name'].decode('utf-8') != channel.dirname:
# Malformed channel
# TODO: stop trying to download this channel until it is updated with a new infohash
return
except (KeyError, TypeError):
return
dcfg = DownloadConfig(state_dir=self.state_dir)
dcfg.set_dest_dir(self.mds.channels_dir)
dcfg.set_channel_download(True)
tdef = TorrentDef(metainfo=metainfo)
download = self.download_manager.start_download(tdef=tdef,
config=dcfg,
hidden=True)
try:
await download.future_finished
except CancelledError:
pass
else:
self.channels_processing_queue[channel.infohash] = (
PROCESS_CHANNEL_DIR, channel)
return download
