158 lines
4.8 KiB
Python
158 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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PeerTube service to download torrents in the background
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Copyright (C) 2018 Cyrille Bollu
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Copyright (C) 2021 Thomas Bétous
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SPDX-License-Identifier: GPL-3.0-only
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See LICENSE.txt for more information.
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"""
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import AddonSignals
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from threading import Thread
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import xbmc
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import xbmcvfs
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from resources.lib.kodi_utils import debug, set_property
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class PeertubeDownloader(Thread):
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"""
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A class to download PeerTube torrents in the background
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"""
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def __init__(self, url, temp_dir):
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"""
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Initialise a PeertubeDownloader instance for downloading the torrent
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specified by url
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:param url, temp_dir: str
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:return: None
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"""
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super(PeertubeDownloader, self).__init__(self)
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self.torrent = url
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self.temp_dir = temp_dir
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def debug(self, message):
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"""Log a debug message
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:param str message: Message to log (will be prefixed with the name of
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the class)
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"""
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debug('PeertubeDownloader: {}'.format(message))
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def run(self):
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"""
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Download the torrent specified by self.torrent
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:param: None
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:return: None
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"""
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self.debug('Opening BitTorent session')
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# Open BitTorrent session
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ses = libtorrent.session()
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ses.listen_on(6881, 6891)
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# Add torrent
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self.debug('Adding torrent {}'.format(self.torrent))
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h = ses.add_torrent({'url': self.torrent, 'save_path': self.temp_dir})
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# Set sequential mode to allow watching while downloading
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h.set_sequential_download(True)
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# Download torrent
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self.debug('Downloading torrent {}'.format(self.torrent))
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signal_sent = 0
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while not h.is_seed():
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xbmc.sleep(1000)
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s = h.status()
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# Inform addon that all the metadata has been downloaded and that
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# it may start playing the torrent
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if s.state >=3 and signal_sent == 0:
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self.debug('Received all torrent metadata, notifying'
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' PeertubeAddon')
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i = h.torrent_file()
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f = self.temp_dir + i.name()
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AddonSignals.sendSignal('metadata_downloaded', {'file': f})
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signal_sent = 1
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class PeertubeService():
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"""
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Class used to run a service when Kodi starts
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"""
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def __init__(self):
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"""
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PeertubeService initialisation function
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"""
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# Create our temporary directory
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self.temp = '{}{}'.format(xbmc.translatePath('special://temp'),
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'plugin.video.peertube/')
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if not xbmcvfs.exists(self.temp):
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xbmcvfs.mkdir(self.temp)
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def debug(self, message):
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"""Log a debug message
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:param str message: Message to log (will be prefixed with the name of
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the class)
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"""
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debug('PeertubeService: {}'.format(message))
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def download_torrent(self, data):
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"""
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Start a downloader thread to download torrent specified by data['url']
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:param data: dict
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:return: None
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"""
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self.debug('Received a start_download signal')
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downloader = PeertubeDownloader(data['url'], self.temp)
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downloader.start()
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def run(self):
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"""
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Main loop of the PeertubeService class
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It registers the start_download signal to start a PeertubeDownloader
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thread when needed, and exit when Kodi is shutting down.
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"""
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self.debug('Starting')
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# Launch the download_torrent callback function when the
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# 'start_download' signal is received
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AddonSignals.registerSlot('plugin.video.peertube',
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'start_download',
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self.download_torrent)
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# Monitor Kodi's shutdown signal
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self.debug('Service started, waiting for signals')
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monitor = xbmc.Monitor()
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while not monitor.abortRequested():
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if monitor.waitForAbort(1):
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# Abort was requested while waiting. We must exit
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# TODO: Clean temporary directory
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self.debug('Exiting')
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break
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if __name__ == '__main__':
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# Create a PeertubeService instance
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service = PeertubeService()
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# Import libtorrent here to manage when the library is not installed
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try:
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import libtorrent
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LIBTORRENT_IMPORTED = True
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except ImportError as exception:
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LIBTORRENT_IMPORTED = False
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service.debug('The libtorrent library could not be imported because of'
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' the following error:\n{}'.format(exception))
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# Save whether libtorrent could be imported as a window property so that
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# this information can be retrieved by the add-on
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set_property('libtorrent_imported', str(LIBTORRENT_IMPORTED))
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# Start the service
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service.run()
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