lbry-sdk/lbry/torrent/torrent.py
2022-10-18 17:23:56 -04:00

72 lines
2.2 KiB
Python

import asyncio
import logging
import typing
log = logging.getLogger(__name__)
class TorrentInfo:
__slots__ = ('dht_seeds', 'http_seeds', 'trackers', 'total_size')
def __init__(self, dht_seeds: typing.Tuple[typing.Tuple[str, int]],
http_seeds: typing.Tuple[typing.Dict[str, typing.Any]],
trackers: typing.Tuple[typing.Tuple[str, int]], total_size: int):
self.dht_seeds = dht_seeds
self.http_seeds = http_seeds
self.trackers = trackers
self.total_size = total_size
@classmethod
def from_libtorrent_info(cls, torrent_info):
return cls(
torrent_info.nodes(), tuple(
{
'url': web_seed['url'],
'type': web_seed['type'],
'auth': web_seed['auth']
} for web_seed in torrent_info.web_seeds()
), tuple(
(tracker.url, tracker.tier) for tracker in torrent_info.trackers()
), torrent_info.total_size()
)
class Torrent:
def __init__(self, loop, handle):
self._loop = loop
self._handle = handle
self.finished = asyncio.Event()
def _threaded_update_status(self):
status = self._handle.status()
if not status.is_seeding:
log.info(
'%.2f%% complete (down: %.1f kB/s up: %.1f kB/s peers: %d) %s',
status.progress * 100, status.download_rate / 1000, status.upload_rate / 1000,
status.num_peers, status.state
)
elif not self.finished.is_set():
self.finished.set()
async def wait_for_finished(self):
while True:
await self._loop.run_in_executor(
None, self._threaded_update_status
)
if self.finished.is_set():
log.info("finished downloading torrent!")
await self.pause()
break
await asyncio.sleep(1)
async def pause(self):
log.info("pause torrent")
await self._loop.run_in_executor(
None, self._handle.pause
)
async def resume(self):
await self._loop.run_in_executor(
None, self._handle.resume
)