1100 lines
43 KiB
Python
1100 lines
43 KiB
Python
#
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# torrentmanager.py
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#
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# Copyright (C) 2007, 2008 Andrew Resch <andrewresch@gmail.com>
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#
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# Deluge is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# deluge is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with deluge. If not, write to:
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# The Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor
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# Boston, MA 02110-1301, USA.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# library.
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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#
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#
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"""TorrentManager handles Torrent objects"""
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import cPickle
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import os
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import shutil
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import operator
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import logging
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from collections import defaultdict
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from twisted.internet.task import LoopingCall
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from twisted.internet.defer import Deferred, DeferredList
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from deluge._libtorrent import lt
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from deluge.event import *
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from deluge.error import *
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import deluge.component as component
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from deluge.configmanager import ConfigManager, get_config_dir
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from deluge.core.authmanager import AUTH_LEVEL_ADMIN
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from deluge.core.torrent import Torrent
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from deluge.core.torrent import TorrentOptions
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import deluge.core.oldstateupgrader
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from deluge.common import utf8_encoded
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log = logging.getLogger(__name__)
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class TorrentState:
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def __init__(self,
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torrent_id=None,
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filename=None,
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total_uploaded=0,
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trackers=None,
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compact=False,
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paused=False,
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save_path=None,
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max_connections=-1,
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max_upload_slots=-1,
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max_upload_speed=-1.0,
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max_download_speed=-1.0,
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prioritize_first_last=False,
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sequential_download=False,
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file_priorities=None,
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queue=None,
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auto_managed=True,
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is_finished=False,
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stop_ratio=2.00,
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stop_at_ratio=False,
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remove_at_ratio=False,
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move_completed=False,
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move_completed_path=None,
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magnet=None,
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time_added=-1,
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last_seen_complete=0.0, # 0 is the default returned when the info
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owner="", # does not exist on lt >= .16
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shared=False
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):
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self.torrent_id = torrent_id
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self.filename = filename
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self.total_uploaded = total_uploaded
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self.trackers = trackers
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self.queue = queue
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self.is_finished = is_finished
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self.magnet = magnet
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self.time_added = time_added
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self.last_seen_complete = last_seen_complete
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self.owner = owner
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# Options
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self.compact = compact
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self.paused = paused
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self.save_path = save_path
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self.max_connections = max_connections
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self.max_upload_slots = max_upload_slots
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self.max_upload_speed = max_upload_speed
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self.max_download_speed = max_download_speed
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self.prioritize_first_last = prioritize_first_last
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self.sequential_download = sequential_download
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self.file_priorities = file_priorities
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self.auto_managed = auto_managed
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self.stop_ratio = stop_ratio
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self.stop_at_ratio = stop_at_ratio
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self.remove_at_ratio = remove_at_ratio
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self.move_completed = move_completed
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self.move_completed_path = move_completed_path
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self.shared = shared
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class TorrentManagerState:
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def __init__(self):
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self.torrents = []
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class TorrentManager(component.Component):
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"""
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TorrentManager contains a list of torrents in the current libtorrent
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session. This object is also responsible for saving the state of the
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session for use on restart.
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"""
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def __init__(self):
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component.Component.__init__(self, "TorrentManager", interval=5,
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depend=["CorePluginManager", "AlertManager"])
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log.debug("TorrentManager init..")
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# Set the libtorrent session
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self.session = component.get("Core").session
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# Set the alertmanager
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self.alerts = component.get("AlertManager")
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# Get the core config
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self.config = ConfigManager("core.conf")
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# Make sure the state folder has been created
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if not os.path.exists(os.path.join(get_config_dir(), "state")):
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os.makedirs(os.path.join(get_config_dir(), "state"))
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# Create the torrents dict { torrent_id: Torrent }
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self.torrents = {}
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self.last_seen_complete_loop = None
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self.queued_torrents = set()
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# This is a map of torrent_ids to Deferreds used to track needed resume data.
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# The Deferreds will be completed when resume data has been saved.
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self.waiting_on_resume_data = defaultdict(list)
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# Keeps track of resume data
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self.resume_data = {}
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# Register set functions
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self.config.register_set_function("max_connections_per_torrent",
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self.on_set_max_connections_per_torrent)
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self.config.register_set_function("max_upload_slots_per_torrent",
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self.on_set_max_upload_slots_per_torrent)
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self.config.register_set_function("max_upload_speed_per_torrent",
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self.on_set_max_upload_speed_per_torrent)
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self.config.register_set_function("max_download_speed_per_torrent",
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self.on_set_max_download_speed_per_torrent)
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# Register alert functions
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self.alerts.register_handler("torrent_finished_alert",
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self.on_alert_torrent_finished)
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self.alerts.register_handler("torrent_paused_alert",
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self.on_alert_torrent_paused)
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self.alerts.register_handler("torrent_checked_alert",
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self.on_alert_torrent_checked)
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self.alerts.register_handler("tracker_reply_alert",
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self.on_alert_tracker_reply)
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self.alerts.register_handler("tracker_announce_alert",
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self.on_alert_tracker_announce)
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self.alerts.register_handler("tracker_warning_alert",
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self.on_alert_tracker_warning)
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self.alerts.register_handler("tracker_error_alert",
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self.on_alert_tracker_error)
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self.alerts.register_handler("storage_moved_alert",
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self.on_alert_storage_moved)
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self.alerts.register_handler("torrent_resumed_alert",
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self.on_alert_torrent_resumed)
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self.alerts.register_handler("state_changed_alert",
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self.on_alert_state_changed)
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self.alerts.register_handler("save_resume_data_alert",
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self.on_alert_save_resume_data)
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self.alerts.register_handler("save_resume_data_failed_alert",
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self.on_alert_save_resume_data_failed)
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self.alerts.register_handler("file_renamed_alert",
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self.on_alert_file_renamed)
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self.alerts.register_handler("metadata_received_alert",
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self.on_alert_metadata_received)
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self.alerts.register_handler("file_error_alert",
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self.on_alert_file_error)
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self.alerts.register_handler("file_completed_alert",
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self.on_alert_file_completed)
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def start(self):
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# Get the pluginmanager reference
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self.plugins = component.get("CorePluginManager")
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# Run the old state upgrader before loading state
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deluge.core.oldstateupgrader.OldStateUpgrader()
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# Try to load the state from file
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self.load_state()
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# Save the state periodically
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self.save_state_timer = LoopingCall(self.save_state)
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self.save_state_timer.start(200, False)
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self.save_resume_data_timer = LoopingCall(self.save_resume_data)
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self.save_resume_data_timer.start(190, False)
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# Force update for all resume data a bit less frequently
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self.save_all_resume_data_timer = LoopingCall(self.save_resume_data, self.torrents.keys())
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self.save_all_resume_data_timer.start(900, False)
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if self.last_seen_complete_loop:
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self.last_seen_complete_loop.start(60)
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def stop(self):
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# Stop timers
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if self.save_state_timer.running:
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self.save_state_timer.stop()
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if self.save_resume_data_timer.running:
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self.save_resume_data_timer.stop()
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if self.save_all_resume_data_timer.running:
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self.save_all_resume_data_timer.stop()
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if self.last_seen_complete_loop:
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self.last_seen_complete_loop.stop()
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# Save state on shutdown
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self.save_state()
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self.session.pause()
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for key in self.torrents:
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# Stop the status cleanup LoopingCall here
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self.torrents[key].prev_status_cleanup_loop.stop()
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return self.save_resume_data(self.torrents.keys())
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def update(self):
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for torrent_id, torrent in self.torrents.items():
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if torrent.options["stop_at_ratio"] and torrent.state not in (
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"Checking", "Allocating", "Paused", "Queued"):
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# If the global setting is set, but the per-torrent isn't..
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# Just skip to the next torrent.
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# This is so that a user can turn-off the stop at ratio option
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# on a per-torrent basis
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if not torrent.options["stop_at_ratio"]:
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continue
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if torrent.get_ratio() >= torrent.options["stop_ratio"] and torrent.is_finished:
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if torrent.options["remove_at_ratio"]:
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self.remove(torrent_id)
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break
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if not torrent.handle.is_paused():
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torrent.pause()
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def __getitem__(self, torrent_id):
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"""Return the Torrent with torrent_id"""
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return self.torrents[torrent_id]
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def get_torrent_list(self):
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"""Returns a list of torrent_ids"""
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torrent_ids = self.torrents.keys()
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if component.get("RPCServer").get_session_auth_level() == AUTH_LEVEL_ADMIN:
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return torrent_ids
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current_user = component.get("RPCServer").get_session_user()
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for torrent_id in torrent_ids[:]:
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torrent_status = self[torrent_id].get_status(["owner", "shared"])
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if torrent_status["owner"] != current_user and torrent_status["shared"] == False:
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torrent_ids.pop(torrent_ids.index(torrent_id))
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return torrent_ids
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def get_torrent_info_from_file(self, filepath):
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"""Returns a torrent_info for the file specified or None"""
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torrent_info = None
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# Get the torrent data from the torrent file
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try:
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log.debug("Attempting to create torrent_info from %s", filepath)
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_file = open(filepath, "rb")
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torrent_info = lt.torrent_info(lt.bdecode(_file.read()))
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_file.close()
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except (IOError, RuntimeError), e:
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log.warning("Unable to open %s: %s", filepath, e)
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return torrent_info
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def legacy_get_resume_data_from_file(self, torrent_id):
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"""Returns an entry with the resume data or None"""
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fastresume = ""
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try:
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_file = open(os.path.join(get_config_dir(), "state",
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torrent_id + ".fastresume"), "rb")
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fastresume = _file.read()
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_file.close()
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except IOError, e:
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log.debug("Unable to load .fastresume: %s", e)
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return str(fastresume)
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def legacy_delete_resume_data(self, torrent_id):
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"""Deletes the .fastresume file"""
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path = os.path.join(get_config_dir(), "state",
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torrent_id + ".fastresume")
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log.debug("Deleting fastresume file: %s", path)
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try:
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os.remove(path)
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except Exception, e:
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log.warning("Unable to delete the fastresume file: %s", e)
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def add(self, torrent_info=None, state=None, options=None, save_state=True,
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filedump=None, filename=None, magnet=None, resume_data=None, owner=None):
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"""Add a torrent to the manager and returns it's torrent_id"""
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if owner is None:
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owner = component.get("RPCServer").get_session_user()
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if not owner:
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owner = "localclient"
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if torrent_info is None and state is None and filedump is None and magnet is None:
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log.debug("You must specify a valid torrent_info, torrent state or magnet.")
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return
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log.debug("torrentmanager.add")
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add_torrent_params = {}
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if filedump is not None:
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try:
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torrent_info = lt.torrent_info(lt.bdecode(filedump))
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except Exception, e:
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log.error("Unable to decode torrent file!: %s", e)
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# XXX: Probably should raise an exception here..
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return
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if torrent_info is None and state:
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# We have no torrent_info so we need to add the torrent with information
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# from the state object.
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# Populate the options dict from state
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options = TorrentOptions()
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options["max_connections"] = state.max_connections
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options["max_upload_slots"] = state.max_upload_slots
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options["max_upload_speed"] = state.max_upload_speed
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options["max_download_speed"] = state.max_download_speed
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options["prioritize_first_last_pieces"] = state.prioritize_first_last
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options["sequential_download"] = state.sequential_download
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options["file_priorities"] = state.file_priorities
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options["compact_allocation"] = state.compact
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options["download_location"] = state.save_path
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options["auto_managed"] = state.auto_managed
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options["stop_at_ratio"] = state.stop_at_ratio
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options["stop_ratio"] = state.stop_ratio
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options["remove_at_ratio"] = state.remove_at_ratio
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options["move_completed"] = state.move_completed
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options["move_completed_path"] = state.move_completed_path
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options["add_paused"] = state.paused
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options["shared"] = state.shared
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ti = self.get_torrent_info_from_file(
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os.path.join(get_config_dir(),
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"state", state.torrent_id + ".torrent"))
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if ti:
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add_torrent_params["ti"] = ti
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elif state.magnet:
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magnet = state.magnet
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else:
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log.error("Unable to add torrent!")
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return
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# Handle legacy case with storing resume data in individual files
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# for each torrent
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if resume_data is None:
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resume_data = self.legacy_get_resume_data_from_file(state.torrent_id)
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self.legacy_delete_resume_data(state.torrent_id)
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add_torrent_params["resume_data"] = resume_data
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else:
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# We have a torrent_info object or magnet uri so we're not loading from state.
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if torrent_info:
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add_torrent_id = str(torrent_info.info_hash())
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if add_torrent_id in self.get_torrent_list():
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# Torrent already exists just append any extra trackers.
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log.debug("Torrent (%s) exists, checking for trackers to add...", add_torrent_id)
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add_torrent_trackers = []
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for value in torrent_info.trackers():
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tracker = {}
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tracker["url"] = value.url
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tracker["tier"] = value.tier
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add_torrent_trackers.append(tracker)
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torrent_trackers = {}
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tracker_list = []
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for tracker in self[add_torrent_id].get_status(["trackers"])["trackers"]:
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torrent_trackers[(tracker["url"])] = tracker
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tracker_list.append(tracker)
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added_tracker = False
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for tracker in add_torrent_trackers:
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if tracker['url'] not in torrent_trackers:
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tracker_list.append(tracker)
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added_tracker = True
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if added_tracker:
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self[add_torrent_id].set_trackers(tracker_list)
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return
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# Check if options is None and load defaults
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if options == None:
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options = TorrentOptions()
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else:
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o = TorrentOptions()
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o.update(options)
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options = o
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# Check for renamed files and if so, rename them in the torrent_info
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# before adding to the session.
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if options["mapped_files"]:
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for index, fname in options["mapped_files"].items():
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try:
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fname = unicode(fname, "utf-8")
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except TypeError:
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pass
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fname = deluge.core.torrent.sanitize_filepath(fname)
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log.debug("renaming file index %s to %s", index, fname)
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try:
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torrent_info.rename_file(index, fname)
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except TypeError:
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torrent_info.rename_file(index, fname.encode("utf-8"))
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add_torrent_params["ti"] = torrent_info
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#log.info("Adding torrent: %s", filename)
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log.debug("options: %s", options)
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# Set the right storage_mode
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if options["compact_allocation"]:
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storage_mode = lt.storage_mode_t(2)
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else:
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storage_mode = lt.storage_mode_t(1)
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# Fill in the rest of the add_torrent_params dictionary
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add_torrent_params["save_path"] = utf8_encoded(options["download_location"])
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add_torrent_params["storage_mode"] = storage_mode
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add_torrent_params["paused"] = True
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add_torrent_params["auto_managed"] = False
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add_torrent_params["duplicate_is_error"] = True
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# We need to pause the AlertManager momentarily to prevent alerts
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# for this torrent being generated before a Torrent object is created.
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component.pause("AlertManager")
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handle = None
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try:
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if magnet:
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handle = lt.add_magnet_uri(self.session, utf8_encoded(magnet), add_torrent_params)
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else:
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handle = self.session.add_torrent(add_torrent_params)
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except RuntimeError, e:
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log.warning("Error adding torrent: %s", e)
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if not handle or not handle.is_valid():
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log.debug("torrent handle is invalid!")
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# The torrent was not added to the session
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component.resume("AlertManager")
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return
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|
|
log.debug("handle id: %s", str(handle.info_hash()))
|
|
# Set auto_managed to False because the torrent is paused
|
|
handle.auto_managed(False)
|
|
# Create a Torrent object
|
|
owner = state.owner if state else (
|
|
owner if owner else component.get("RPCServer").get_session_user()
|
|
)
|
|
account_exists = component.get("AuthManager").has_account(owner)
|
|
if not account_exists:
|
|
owner = 'localclient'
|
|
torrent = Torrent(handle, options, state, filename, magnet, owner)
|
|
# Add the torrent object to the dictionary
|
|
self.torrents[torrent.torrent_id] = torrent
|
|
if self.config["queue_new_to_top"]:
|
|
handle.queue_position_top()
|
|
|
|
component.resume("AlertManager")
|
|
|
|
# Resume the torrent if needed
|
|
if not options["add_paused"]:
|
|
torrent.resume()
|
|
|
|
# Add to queued torrents set
|
|
self.queued_torrents.add(torrent.torrent_id)
|
|
|
|
# Write the .torrent file to the state directory
|
|
if filedump:
|
|
try:
|
|
save_file = open(os.path.join(get_config_dir(), "state",
|
|
torrent.torrent_id + ".torrent"),
|
|
"wb")
|
|
save_file.write(filedump)
|
|
save_file.close()
|
|
except IOError, e:
|
|
log.warning("Unable to save torrent file: %s", e)
|
|
|
|
# If the user has requested a copy of the torrent be saved elsewhere
|
|
# we need to do that.
|
|
if self.config["copy_torrent_file"] and filename is not None:
|
|
try:
|
|
save_file = open(
|
|
os.path.join(self.config["torrentfiles_location"], filename),
|
|
"wb")
|
|
save_file.write(filedump)
|
|
save_file.close()
|
|
except IOError, e:
|
|
log.warning("Unable to save torrent file: %s", e)
|
|
|
|
if save_state:
|
|
# Save the session state
|
|
self.save_state()
|
|
|
|
# Emit torrent_added signal
|
|
from_state = state is not None
|
|
component.get("EventManager").emit(
|
|
TorrentAddedEvent(torrent.torrent_id, from_state)
|
|
)
|
|
log.info("Torrent %s from user \"%s\" %s",
|
|
torrent.get_status(["name"])["name"],
|
|
torrent.get_status(["owner"])["owner"],
|
|
(from_state and "loaded" or "added"))
|
|
return torrent.torrent_id
|
|
|
|
def load_torrent(self, torrent_id):
|
|
"""Load a torrent file from state and return it's torrent info"""
|
|
filedump = None
|
|
# Get the torrent data from the torrent file
|
|
try:
|
|
log.debug("Attempting to open %s for add.", torrent_id)
|
|
_file = open(
|
|
os.path.join(
|
|
get_config_dir(), "state", torrent_id + ".torrent"),
|
|
"rb")
|
|
filedump = lt.bdecode(_file.read())
|
|
_file.close()
|
|
except (IOError, RuntimeError), e:
|
|
log.warning("Unable to open %s: %s", torrent_id, e)
|
|
return False
|
|
|
|
return filedump
|
|
|
|
def remove(self, torrent_id, remove_data=False):
|
|
"""
|
|
Remove a torrent from the session.
|
|
|
|
:param torrent_id: the torrent to remove
|
|
:type torrent_id: string
|
|
:param remove_data: if True, remove the downloaded data
|
|
:type remove_data: bool
|
|
|
|
:returns: True if removed successfully, False if not
|
|
:rtype: bool
|
|
|
|
:raises InvalidTorrentError: if the torrent_id is not in the session
|
|
|
|
"""
|
|
|
|
if torrent_id not in self.torrents:
|
|
raise InvalidTorrentError("torrent_id not in session")
|
|
|
|
torrent_name = self.torrents[torrent_id].get_status(["name"])["name"]
|
|
|
|
# Emit the signal to the clients
|
|
component.get("EventManager").emit(PreTorrentRemovedEvent(torrent_id))
|
|
|
|
try:
|
|
self.session.remove_torrent(self.torrents[torrent_id].handle,
|
|
1 if remove_data else 0)
|
|
except (RuntimeError, KeyError), e:
|
|
log.warning("Error removing torrent: %s", e)
|
|
return False
|
|
|
|
# Remove fastresume data if it is exists
|
|
self.resume_data.pop(torrent_id, None)
|
|
|
|
# Remove the .torrent file in the state
|
|
self.torrents[torrent_id].delete_torrentfile()
|
|
|
|
# Remove the torrent file from the user specified directory
|
|
filename = self.torrents[torrent_id].filename
|
|
if self.config["copy_torrent_file"] \
|
|
and self.config["del_copy_torrent_file"] \
|
|
and filename:
|
|
try:
|
|
users_torrent_file = os.path.join(
|
|
self.config["torrentfiles_location"],
|
|
filename)
|
|
log.info("Delete user's torrent file: %s",
|
|
users_torrent_file)
|
|
os.remove(users_torrent_file)
|
|
except Exception, e:
|
|
log.warning("Unable to remove copy torrent file: %s", e)
|
|
|
|
# Stop the looping call
|
|
self.torrents[torrent_id].prev_status_cleanup_loop.stop()
|
|
|
|
# Remove from set if it wasn't finished
|
|
if not self.torrents[torrent_id].is_finished:
|
|
try:
|
|
self.queued_torrents.remove(torrent_id)
|
|
except KeyError:
|
|
log.debug("%s isn't in queued torrents set?", torrent_id)
|
|
|
|
# Remove the torrent from deluge's session
|
|
try:
|
|
del self.torrents[torrent_id]
|
|
except (KeyError, ValueError):
|
|
return False
|
|
|
|
# Save the session state
|
|
self.save_state()
|
|
|
|
# Emit the signal to the clients
|
|
component.get("EventManager").emit(TorrentRemovedEvent(torrent_id))
|
|
log.info("Torrent %s removed by user: %s", torrent_name,
|
|
component.get("RPCServer").get_session_user())
|
|
return True
|
|
|
|
def load_state(self):
|
|
"""Load the state of the TorrentManager from the torrents.state file"""
|
|
state = TorrentManagerState()
|
|
|
|
try:
|
|
log.debug("Opening torrent state file for load.")
|
|
state_file = open(
|
|
os.path.join(get_config_dir(), "state", "torrents.state"), "rb")
|
|
state = cPickle.load(state_file)
|
|
state_file.close()
|
|
except (EOFError, IOError, Exception, cPickle.UnpicklingError), e:
|
|
log.warning("Unable to load state file: %s", e)
|
|
|
|
# Try to use an old state
|
|
try:
|
|
state_tmp = TorrentState()
|
|
if dir(state.torrents[0]) != dir(state_tmp):
|
|
for attr in (set(dir(state_tmp)) - set(dir(state.torrents[0]))):
|
|
for s in state.torrents:
|
|
setattr(s, attr, getattr(state_tmp, attr, None))
|
|
except Exception, e:
|
|
log.warning("Unable to update state file to a compatible version: %s", e)
|
|
|
|
# Reorder the state.torrents list to add torrents in the correct queue
|
|
# order.
|
|
state.torrents.sort(key=operator.attrgetter("queue"), reverse=self.config["queue_new_to_top"])
|
|
|
|
resume_data = self.load_resume_data_file()
|
|
|
|
for torrent_state in state.torrents:
|
|
try:
|
|
self.add(state=torrent_state, save_state=False,
|
|
resume_data=resume_data.get(torrent_state.torrent_id))
|
|
except AttributeError, e:
|
|
log.error("Torrent state file is either corrupt or incompatible! %s", e)
|
|
break
|
|
|
|
|
|
if lt.version_minor < 16:
|
|
log.debug("libtorrent version is lower than 0.16. Start looping "
|
|
"callback to calculate last_seen_complete info.")
|
|
def calculate_last_seen_complete():
|
|
for torrent in self.torrents.values():
|
|
torrent.calculate_last_seen_complete()
|
|
self.last_seen_complete_loop = LoopingCall(
|
|
calculate_last_seen_complete
|
|
)
|
|
|
|
component.get("EventManager").emit(SessionStartedEvent())
|
|
|
|
def save_state(self):
|
|
"""Save the state of the TorrentManager to the torrents.state file"""
|
|
state = TorrentManagerState()
|
|
# Create the state for each Torrent and append to the list
|
|
for torrent in self.torrents.values():
|
|
paused = False
|
|
if torrent.state == "Paused":
|
|
paused = True
|
|
|
|
torrent_state = TorrentState(
|
|
torrent.torrent_id,
|
|
torrent.filename,
|
|
torrent.get_status(["total_uploaded"])["total_uploaded"],
|
|
torrent.trackers,
|
|
torrent.options["compact_allocation"],
|
|
paused,
|
|
torrent.options["download_location"],
|
|
torrent.options["max_connections"],
|
|
torrent.options["max_upload_slots"],
|
|
torrent.options["max_upload_speed"],
|
|
torrent.options["max_download_speed"],
|
|
torrent.options["prioritize_first_last_pieces"],
|
|
torrent.options["sequential_download"],
|
|
torrent.options["file_priorities"],
|
|
torrent.get_queue_position(),
|
|
torrent.options["auto_managed"],
|
|
torrent.is_finished,
|
|
torrent.options["stop_ratio"],
|
|
torrent.options["stop_at_ratio"],
|
|
torrent.options["remove_at_ratio"],
|
|
torrent.options["move_completed"],
|
|
torrent.options["move_completed_path"],
|
|
torrent.magnet,
|
|
torrent.time_added,
|
|
torrent.get_last_seen_complete(),
|
|
torrent.owner,
|
|
torrent.options["shared"]
|
|
)
|
|
state.torrents.append(torrent_state)
|
|
|
|
# Pickle the TorrentManagerState object
|
|
try:
|
|
log.debug("Saving torrent state file.")
|
|
state_file = open(os.path.join(get_config_dir(),
|
|
"state", "torrents.state.new"), "wb")
|
|
cPickle.dump(state, state_file)
|
|
state_file.flush()
|
|
os.fsync(state_file.fileno())
|
|
state_file.close()
|
|
except IOError, e:
|
|
log.warning("Unable to save state file: %s", e)
|
|
return True
|
|
|
|
# We have to move the 'torrents.state.new' file to 'torrents.state'
|
|
try:
|
|
shutil.move(
|
|
os.path.join(get_config_dir(), "state", "torrents.state.new"),
|
|
os.path.join(get_config_dir(), "state", "torrents.state"))
|
|
except IOError:
|
|
log.warning("Unable to save state file.")
|
|
return True
|
|
|
|
# We return True so that the timer thread will continue
|
|
return True
|
|
|
|
def save_resume_data(self, torrent_ids=None):
|
|
"""
|
|
Saves resume data for list of torrent_ids or for all torrents
|
|
needing resume data updated if torrent_ids is None
|
|
|
|
:returns: A Deferred whose callback will be invoked when save is complete
|
|
:rtype: twisted.internet.defer.Deferred
|
|
"""
|
|
|
|
if torrent_ids is None:
|
|
torrent_ids = (t[0] for t in self.torrents.iteritems() if t[1].handle.need_save_resume_data())
|
|
|
|
deferreds = []
|
|
|
|
def on_torrent_resume_save(result, torrent_id):
|
|
self.waiting_on_resume_data.pop(torrent_id, None)
|
|
|
|
for torrent_id in torrent_ids:
|
|
d = Deferred().addBoth(on_torrent_resume_save, torrent_id)
|
|
self.waiting_on_resume_data[torrent_id].append(d)
|
|
deferreds.append(d)
|
|
self.torrents[torrent_id].save_resume_data()
|
|
|
|
def on_all_resume_data_finished(result):
|
|
if result:
|
|
self.save_resume_data_file()
|
|
|
|
return DeferredList(deferreds).addBoth(on_all_resume_data_finished)
|
|
|
|
def load_resume_data_file(self):
|
|
resume_data = {}
|
|
try:
|
|
log.debug("Opening torrents fastresume file for load.")
|
|
fastresume_file = open(os.path.join(get_config_dir(), "state",
|
|
"torrents.fastresume"), "rb")
|
|
resume_data = lt.bdecode(fastresume_file.read())
|
|
fastresume_file.close()
|
|
except (EOFError, IOError, Exception), e:
|
|
log.warning("Unable to load fastresume file: %s", e)
|
|
|
|
# If the libtorrent bdecode doesn't happen properly, it will return None
|
|
# so we need to make sure we return a {}
|
|
if resume_data is None:
|
|
return {}
|
|
|
|
return resume_data
|
|
|
|
def save_resume_data_file(self):
|
|
"""
|
|
Saves the resume data file with the contents of self.resume_data.
|
|
"""
|
|
path = os.path.join(get_config_dir(), "state", "torrents.fastresume")
|
|
|
|
try:
|
|
log.debug("Saving fastresume file: %s", path)
|
|
fastresume_file = open(path, "wb")
|
|
fastresume_file.write(lt.bencode(self.resume_data))
|
|
fastresume_file.flush()
|
|
os.fsync(fastresume_file.fileno())
|
|
fastresume_file.close()
|
|
except IOError:
|
|
log.warning("Error trying to save fastresume file")
|
|
|
|
def get_queue_position(self, torrent_id):
|
|
"""Get queue position of torrent"""
|
|
return self.torrents[torrent_id].get_queue_position()
|
|
|
|
def queue_top(self, torrent_id):
|
|
"""Queue torrent to top"""
|
|
if self.torrents[torrent_id].get_queue_position() == 0:
|
|
return False
|
|
|
|
self.torrents[torrent_id].handle.queue_position_top()
|
|
return True
|
|
|
|
def queue_up(self, torrent_id):
|
|
"""Queue torrent up one position"""
|
|
if self.torrents[torrent_id].get_queue_position() == 0:
|
|
return False
|
|
|
|
self.torrents[torrent_id].handle.queue_position_up()
|
|
return True
|
|
|
|
def queue_down(self, torrent_id):
|
|
"""Queue torrent down one position"""
|
|
if self.torrents[torrent_id].get_queue_position() == (len(self.queued_torrents) - 1):
|
|
return False
|
|
|
|
self.torrents[torrent_id].handle.queue_position_down()
|
|
return True
|
|
|
|
def queue_bottom(self, torrent_id):
|
|
"""Queue torrent to bottom"""
|
|
if self.torrents[torrent_id].get_queue_position() == (len(self.queued_torrents) - 1):
|
|
return False
|
|
|
|
self.torrents[torrent_id].handle.queue_position_bottom()
|
|
return True
|
|
|
|
def on_set_max_connections_per_torrent(self, key, value):
|
|
"""Sets the per-torrent connection limit"""
|
|
log.debug("max_connections_per_torrent set to %s..", value)
|
|
for key in self.torrents.keys():
|
|
self.torrents[key].set_max_connections(value)
|
|
|
|
def on_set_max_upload_slots_per_torrent(self, key, value):
|
|
"""Sets the per-torrent upload slot limit"""
|
|
log.debug("max_upload_slots_per_torrent set to %s..", value)
|
|
for key in self.torrents.keys():
|
|
self.torrents[key].set_max_upload_slots(value)
|
|
|
|
def on_set_max_upload_speed_per_torrent(self, key, value):
|
|
log.debug("max_upload_speed_per_torrent set to %s..", value)
|
|
for key in self.torrents.keys():
|
|
self.torrents[key].set_max_upload_speed(value)
|
|
|
|
def on_set_max_download_speed_per_torrent(self, key, value):
|
|
log.debug("max_download_speed_per_torrent set to %s..", value)
|
|
for key in self.torrents.keys():
|
|
self.torrents[key].set_max_download_speed(value)
|
|
|
|
## Alert handlers ##
|
|
def on_alert_torrent_finished(self, alert):
|
|
log.debug("on_alert_torrent_finished")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
torrent_id = str(alert.handle.info_hash())
|
|
except:
|
|
return
|
|
log.debug("%s is finished..", torrent_id)
|
|
|
|
# Get the total_download and if it's 0, do not move.. It's likely
|
|
# that the torrent wasn't downloaded, but just added.
|
|
total_download = torrent.get_status(["total_payload_download"])["total_payload_download"]
|
|
|
|
# Move completed download to completed folder if needed
|
|
if not torrent.is_finished and total_download:
|
|
move_path = None
|
|
|
|
if torrent.options["move_completed"]:
|
|
move_path = torrent.options["move_completed_path"]
|
|
if torrent.options["download_location"] != move_path:
|
|
torrent.move_storage(move_path)
|
|
|
|
component.get("EventManager").emit(TorrentFinishedEvent(torrent_id))
|
|
|
|
torrent.is_finished = True
|
|
torrent.update_state()
|
|
|
|
# Torrent is no longer part of the queue
|
|
try:
|
|
self.queued_torrents.remove(torrent_id)
|
|
except KeyError:
|
|
# Sometimes libtorrent fires a TorrentFinishedEvent twice
|
|
log.debug("%s isn't in queued torrents set?", torrent_id)
|
|
|
|
# Only save resume data if it was actually downloaded something. Helps
|
|
# on startup with big queues with lots of seeding torrents. Libtorrent
|
|
# emits alert_torrent_finished for them, but there seems like nothing
|
|
# worth really to save in resume data, we just read it up in
|
|
# self.load_state().
|
|
if total_download:
|
|
self.save_resume_data((torrent_id, ))
|
|
|
|
def on_alert_torrent_paused(self, alert):
|
|
log.debug("on_alert_torrent_paused")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
torrent_id = str(alert.handle.info_hash())
|
|
except:
|
|
return
|
|
# Set the torrent state
|
|
old_state = torrent.state
|
|
torrent.update_state()
|
|
if torrent.state != old_state:
|
|
component.get("EventManager").emit(TorrentStateChangedEvent(torrent_id, torrent.state))
|
|
|
|
# Write the fastresume file if we are not waiting on a bulk write
|
|
if torrent_id not in self.waiting_on_resume_data:
|
|
self.save_resume_data((torrent_id,))
|
|
|
|
def on_alert_torrent_checked(self, alert):
|
|
log.debug("on_alert_torrent_checked")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
|
|
# Check to see if we're forcing a recheck and set it back to paused
|
|
# if necessary
|
|
if torrent.forcing_recheck:
|
|
torrent.forcing_recheck = False
|
|
if torrent.forcing_recheck_paused:
|
|
torrent.handle.pause()
|
|
|
|
# Set the torrent state
|
|
torrent.update_state()
|
|
|
|
def on_alert_tracker_reply(self, alert):
|
|
log.debug("on_alert_tracker_reply: %s", alert.message().decode("utf8"))
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
|
|
# Set the tracker status for the torrent
|
|
if alert.message() != "Got peers from DHT":
|
|
torrent.set_tracker_status(_("Announce OK"))
|
|
|
|
# Check to see if we got any peer information from the tracker
|
|
if alert.handle.status().num_complete == -1 or \
|
|
alert.handle.status().num_incomplete == -1:
|
|
# We didn't get peer information, so lets send a scrape request
|
|
torrent.scrape_tracker()
|
|
|
|
def on_alert_tracker_announce(self, alert):
|
|
log.debug("on_alert_tracker_announce")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
|
|
# Set the tracker status for the torrent
|
|
torrent.set_tracker_status(_("Announce Sent"))
|
|
|
|
def on_alert_tracker_warning(self, alert):
|
|
log.debug("on_alert_tracker_warning")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
tracker_status = '%s: %s' % (_("Warning"), str(alert.message()))
|
|
# Set the tracker status for the torrent
|
|
torrent.set_tracker_status(tracker_status)
|
|
|
|
def on_alert_tracker_error(self, alert):
|
|
log.debug("on_alert_tracker_error")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
tracker_status = "%s: %s" % (_("Error"), alert.msg)
|
|
torrent.set_tracker_status(tracker_status)
|
|
|
|
def on_alert_storage_moved(self, alert):
|
|
log.debug("on_alert_storage_moved")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
torrent.set_save_path(os.path.normpath(alert.handle.save_path()))
|
|
torrent.set_move_completed(False)
|
|
|
|
def on_alert_torrent_resumed(self, alert):
|
|
log.debug("on_alert_torrent_resumed")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
torrent_id = str(alert.handle.info_hash())
|
|
except:
|
|
return
|
|
old_state = torrent.state
|
|
torrent.update_state()
|
|
if torrent.state != old_state:
|
|
# We need to emit a TorrentStateChangedEvent too
|
|
component.get("EventManager").emit(TorrentStateChangedEvent(torrent_id, torrent.state))
|
|
component.get("EventManager").emit(TorrentResumedEvent(torrent_id))
|
|
|
|
def on_alert_state_changed(self, alert):
|
|
log.debug("on_alert_state_changed")
|
|
try:
|
|
torrent_id = str(alert.handle.info_hash())
|
|
torrent = self.torrents[torrent_id]
|
|
except:
|
|
return
|
|
|
|
old_state = torrent.state
|
|
torrent.update_state()
|
|
|
|
# Torrent may need to download data after checking.
|
|
if torrent.state in ('Checking', 'Checking Resume Data', 'Downloading'):
|
|
torrent.is_finished = False
|
|
self.queued_torrents.add(torrent_id)
|
|
|
|
# Only emit a state changed event if the state has actually changed
|
|
if torrent.state != old_state:
|
|
component.get("EventManager").emit(TorrentStateChangedEvent(torrent_id, torrent.state))
|
|
|
|
def on_alert_save_resume_data(self, alert):
|
|
log.debug("on_alert_save_resume_data")
|
|
torrent_id = str(alert.handle.info_hash())
|
|
|
|
if torrent_id in self.torrents:
|
|
# Libtorrent in add_torrent() expects resume_data to be bencoded
|
|
self.resume_data[torrent_id] = lt.bencode(alert.resume_data)
|
|
|
|
if torrent_id in self.waiting_on_resume_data:
|
|
for d in self.waiting_on_resume_data[torrent_id]:
|
|
d.callback(None)
|
|
|
|
def on_alert_save_resume_data_failed(self, alert):
|
|
log.debug("on_alert_save_resume_data_failed: %s", alert.message())
|
|
torrent_id = alert.handle.info_hash()
|
|
|
|
if torrent_id in self.waiting_on_resume_data:
|
|
self.waiting_on_resume_data[torrent_id].errback(Exception(alert.message()))
|
|
|
|
def on_alert_file_renamed(self, alert):
|
|
log.debug("on_alert_file_renamed")
|
|
log.debug("index: %s name: %s", alert.index, alert.name.decode("utf8"))
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
torrent_id = str(alert.handle.info_hash())
|
|
except:
|
|
return
|
|
|
|
# We need to see if this file index is in a waiting_on_folder dict
|
|
for wait_on_folder in torrent.waiting_on_folder_rename:
|
|
if alert.index in wait_on_folder:
|
|
wait_on_folder[alert.index].callback(None)
|
|
break
|
|
else:
|
|
# This is just a regular file rename so send the signal
|
|
component.get("EventManager").emit(TorrentFileRenamedEvent(torrent_id, alert.index, alert.name))
|
|
self.save_resume_data((torrent_id,))
|
|
|
|
def on_alert_metadata_received(self, alert):
|
|
log.debug("on_alert_metadata_received")
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
torrent.write_torrentfile()
|
|
|
|
def on_alert_file_error(self, alert):
|
|
log.debug("on_alert_file_error: %s", alert.message())
|
|
try:
|
|
torrent = self.torrents[str(alert.handle.info_hash())]
|
|
except:
|
|
return
|
|
torrent.update_state()
|
|
|
|
def on_alert_file_completed(self, alert):
|
|
log.debug("file_completed_alert: %s", alert.message())
|
|
try:
|
|
torrent_id = str(alert.handle.info_hash())
|
|
except:
|
|
return
|
|
component.get("EventManager").emit(
|
|
TorrentFileCompletedEvent(torrent_id, alert.index))
|