def status_server_handler(manager: ControlManager) -> str:
torrents = manager.get_torrents()
if not torrents:
return 'No torrents added'
torrents.sort(key=lambda info: info.download_info.suggested_name)
return [TorrentState(torrent_info) for torrent_info in torrents]
def _finish_downloading_piece(self, piece_index: int):
piece_info = self._download_info.pieces[piece_index]
piece_info.mark_as_downloaded()
self._download_info.downloaded_piece_count += 1
self._download_info.interesting_pieces.remove(piece_index)
peer_data = self._peer_manager.peer_data
for peer in piece_info.owners:
client = peer_data[peer].client
for index in self._download_info.interesting_pieces:
if client.piece_owned[index]:
break
else:
client.am_interested = False
for data in peer_data.values():
data.client.send_have(piece_index)
self._logger.debug('piece %s finished', piece_index)
torrent_state = TorrentState(self._torrent_info)
self._logger.info('progress %.1lf%% (%s / %s pieces)', floor_to(torrent_state.progress * 100, 1),
self._download_info.downloaded_piece_count, torrent_state.selected_piece_count)
if pyqtSignal and self._download_info.downloaded_piece_count < torrent_state.selected_piece_count:
cur_time = time.time()
if self._last_piece_finish_signal_time is None or \
cur_time - self._last_piece_finish_signal_time >= Downloader.PIECE_FINISH_SIGNAL_MIN_INTERVAL:
self.progress.emit()
self._last_piece_finish_signal_time = time.time()
def add(self, torrent_info: TorrentInfo):
info_hash = torrent_info.download_info.info_hash
if info_hash in self._torrents:
raise ValueError('This torrent is already added')
if not torrent_info.paused:
self._start_torrent_manager(torrent_info)
self._torrents[info_hash] = torrent_info
if pyqtSignal:
self.torrent_added.emit(TorrentState(torrent_info))
def _start_torrent_manager(self, torrent_info: TorrentInfo):
info_hash = torrent_info.download_info.info_hash
manager = TorrentManager(torrent_info, self._our_peer_id,
self._server.port)
if pyqtSignal:
manager.state_changed.connect(
lambda: self.torrent_changed.emit(TorrentState(torrent_info)))
self._torrent_managers[info_hash] = manager
self._torrent_manager_executors[info_hash] = asyncio.ensure_future(
manager.run())
def add(self, torrent_info: TorrentInfo):
info_hash = torrent_info.download_info.info_hash
if info_hash in self._torrents:
raise ValueError('This torrent is already added')
#If torrent file was not downloaded previously..
if not torrent_info.paused:
self._start_torrent_manager(torrent_info)
self._torrents[info_hash] = torrent_info
#signal from UI
if pyqtSignal:
self.torrent_added.emit(TorrentState(torrent_info))
def resume(self, info_hash: bytes):
if info_hash not in self._torrents:
raise ValueError('Torrent not found')
torrent_info = self._torrents[info_hash]
if not torrent_info.paused:
raise ValueError('The torrent is already running')
self._start_torrent_manager(torrent_info)
torrent_info.paused = False
if pyqtSignal:
self.torrent_changed.emit(TorrentState(torrent_info))
async def pause(self, info_hash: bytes):
if info_hash not in self._torrents:
raise ValueError('Torrent not found')
torrent_info = self._torrents[info_hash]
if torrent_info.paused:
raise ValueError('The torrent is already paused')
await self._stop_torrent_manager(info_hash)
torrent_info.paused = True
if pyqtSignal:
self.torrent_changed.emit(TorrentState(torrent_info))
def _start_torrent_manager(self, torrent_info: TorrentInfo):
info_hash = torrent_info.download_info.info_hash
#print(" torrent info hash " ,info_hash, "append into a list")
manager = TorrentManager(torrent_info, self._our_peer_id,
self._server.port)
#print(" tracker ", manager)
# establishes connection with trackers to get peer list
if pyqtSignal: #UI linking
manager.state_changed.connect(
lambda: self.torrent_changed.emit(TorrentState(torrent_info)))
self._torrent_managers[info_hash] = manager
self._torrent_manager_executors[info_hash] = asyncio.ensure_future(
manager.run()
) #ensure_future is method to create Task from coroutine.
def status_server_handler(manager: ControlManager) -> List[TorrentState]:
torrents = manager.get_torrents()
torrents.sort(key=lambda info: info.download_info.suggested_name)
return [TorrentState(torrent_info) for torrent_info in torrents]