284 lines
8.9 KiB
Python
284 lines
8.9 KiB
Python
import json
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import os
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import random
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import time
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import urllib.request
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import urllib.parse
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from platypush.context import get_bus
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from platypush.plugins import Plugin, action
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from platypush.message.event.torrent import \
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TorrentDownloadStartEvent, TorrentSeedingStartEvent, \
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TorrentStateChangeEvent, TorrentDownloadProgressEvent, \
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TorrentDownloadCompletedEvent, TorrentDownloadStopEvent
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class TorrentPlugin(Plugin):
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"""
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Plugin to search and download torrents.
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Requires:
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* **python-libtorrent** (``pip install git+https://github.com/arvidn/libtorrent``)
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* **requests** (``pip install requests``) [optional] for torrent info URL download
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"""
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default_torrent_ports = [6881, 6891]
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torrent_state = {}
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transfers = {}
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def __init__(self, download_dir=None, torrent_ports=[], *argv, **kwargs):
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"""
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:param download_dir: Directory where the videos/torrents will be downloaded (default: none)
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:type download_dir: str
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:param torrent_ports: Torrent ports to listen on (default: 6881 and 6891)
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:type torrent_ports: list[int]
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"""
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super().__init__(*argv, **kwargs)
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self.torrent_ports = torrent_ports if torrent_ports else self.default_torrent_ports
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self.download_dir = None
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if download_dir:
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self.download_dir = os.path.abspath(os.path.expanduser(download_dir))
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@action
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def search(self, query):
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"""
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Perform a search of video torrents.
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:param query: Query string, video name or partial name
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:type query: str
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"""
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self.logger.info('Searching matching torrents for "{}"'.format(query))
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request = urllib.request.urlopen(urllib.request.Request(
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'https://api.apidomain.info/list?' + urllib.parse.urlencode({
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'sort': 'relevance',
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'quality': '720p,1080p,3d',
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'page': 1,
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'keywords': query,
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}),
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headers = {
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 ' +
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'(KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36'
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})
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)
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response = request.read()
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if isinstance(response, bytes):
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response = response.decode('utf-8')
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return [
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{
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'url': _['items'][0]['torrent_magnet'],
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'title': _['title'],
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}
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for _ in json.loads(response).get('MovieList', [])
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]
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@action
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def download(self, torrent, download_dir=None):
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"""
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Download a torrent.
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:param torrent: Torrent to download. Supported formats:
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* Magnet URLs
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* Torrent URLs
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* Local torrent file
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:type resource: str
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:param download_dir: Directory to download, overrides the default download_dir attribute (default: None)
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:type download_dir: str
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"""
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import libtorrent as lt
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if not download_dir:
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if self.download_dir:
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download_dir = self.download_dir
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else:
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raise RuntimeError('download_dir not specified')
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download_dir = os.path.abspath(os.path.expanduser(download_dir))
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os.makedirs(download_dir, exist_ok=True)
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info = {}
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torrent_file = None
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magnet = None
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bus = get_bus()
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if torrent.startswith('magnet:?'):
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magnet = torrent
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info = lt.parse_magnet_uri(magnet)
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elif torrent.startswith('http://') or torrent.startswith('https://'):
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import requests
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response = requests.get(torrent, allow_redirects=True)
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torrent_file = os.path.join(download_dir,
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self._generate_rand_filename())
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with open(torrent_file, 'wb') as f:
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f.write(response.content)
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else:
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torrent_file = os.path.abspath(os.path.expanduser(torrent))
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if not os.path.isfile(torrent_file):
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raise RuntimeError('{} is not a valid torrent file'.format(torrent_file))
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if torrent_file:
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file_info = lt.torrent_info(torrent_file)
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info = {
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'name': file_info.name(),
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'url': torrent,
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'trackers': [t.url for t in list(file_info.trackers())],
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'save_path': download_dir,
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}
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ses = lt.session()
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ses.listen_on(*self.torrent_ports)
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self.logger.info('Downloading "{}" to "{}" from [{}]'
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.format(info['name'], self.download_dir, torrent))
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params = {
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'save_path': download_dir,
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'storage_mode': lt.storage_mode_t.storage_mode_sparse,
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}
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if magnet:
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transfer = lt.add_magnet_uri(ses, magnet, params)
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elif torrent_file:
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params['ti'] = file_info
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transfer = ses.add_torrent(params)
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status = transfer.status()
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files = []
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self.transfers[torrent] = transfer
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self.torrent_state[torrent] = {
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'url': torrent,
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'title': info['name'],
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'trackers': info['trackers'],
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'save_path': download_dir,
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}
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bus.post(TorrentDownloadStartEvent(**self.torrent_state[torrent]))
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last_status = None
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while not status.is_seeding:
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if not torrent in self.transfers:
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self.logger.info('Torrent {} has been stopped and removed')
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bus.post(TorrentDownloadStopEvent(url=torrent))
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return
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if not last_status:
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bus.post(TorrentSeedingStartEvent(**self.torrent_state[torrent]))
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status = transfer.status()
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torrent_file = transfer.torrent_file()
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if torrent_file:
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files = [os.path.join(
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self.download_dir,
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torrent_file.files().file_path(i))
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for i in range(0, torrent_file.files().num_files())
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]
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self.torrent_state[torrent]['progress'] = round(100 * status.progress, 2)
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self.torrent_state[torrent]['download_rate'] = status.download_rate
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self.torrent_state[torrent]['upload_rate'] = status.upload_rate
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self.torrent_state[torrent]['num_peers'] = status.num_peers
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self.torrent_state[torrent]['state'] = status.state
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if last_status and status.progress != last_status.progress:
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bus.post(TorrentDownloadProgressEvent(**self.torrent_state[torrent]))
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if not last_status or status.state != last_status.state:
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bus.post(TorrentStateChangeEvent(**self.torrent_state[torrent]))
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self.logger.info(('Torrent download: {:.2f}% complete (down: {:.1f} kb/s ' +
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'up: {:.1f} kB/s peers: {} state: {})')
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.format(status.progress * 100,
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status.download_rate / 1000,
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status.upload_rate / 1000,
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status.num_peers, status.state))
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last_status = status
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time.sleep(5)
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if torrent_file:
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try: os.unlink(torrent_file)
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except: pass
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bus.post(TorrentDownloadCompletedEvent(**self.torrent_state[torrent], files=files))
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del self.torrent_state[torrent]
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del self.transfers[torrent]
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return files
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@action
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def get_status(self):
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"""
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Get the status of the current transfers.
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:returns: A dictionary in the format torrent_url -> status
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"""
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return self.torrent_state
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@action
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def pause(self, torrent):
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"""
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Pause a torrent transfer.
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:param torrent: Torrent URL as returned from `get_status()`
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:type torrent: str
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"""
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if torrent not in self.transfers:
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return (None, "No transfer in progress for {}".format(torrent))
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self.transfers[torrent].pause()
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@action
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def resume(self, torrent):
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"""
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Resume a torrent transfer.
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:param torrent: Torrent URL as returned from `get_status()`
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:type torrent: str
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"""
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if torrent not in self.transfers:
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return (None, "No transfer in progress for {}".format(torrent))
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self.transfers[torrent].resume()
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@action
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def remove(self, torrent):
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"""
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Stops and removes a torrent transfer.
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:param torrent: Torrent URL as returned from `get_status()`
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:type torrent: str
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"""
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if torrent not in self.transfers:
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return (None, "No transfer in progress for {}".format(torrent))
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self.transfers[torrent].pause()
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del self.torrent_state[torrent]
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del self.transfers[torrent]
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def _generate_rand_filename(self, length=16):
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name = ''
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for i in range(0, length):
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name += hex(random.randint(0, 15))[2:].upper()
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return name + '.torrent'
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# vim:sw=4:ts=4:et:
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