703 lines
26 KiB
Python
703 lines
26 KiB
Python
#
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# torrent.py
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#
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# Copyright (C) 2007, 2008 Andrew Resch ('andar') <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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"""Internal Torrent class"""
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import os
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from urlparse import urlparse
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import deluge.libtorrent as lt
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import deluge.common
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import deluge.component as component
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from deluge.configmanager import ConfigManager
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from deluge.log import LOG as log
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from deluge.core.preferencesmanager import DEFAULT_PREFS
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import deluge.xmlrpclib
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TORRENT_STATE = deluge.common.TORRENT_STATE
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OPTIONS = {
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"max_download_speed": DEFAULT_PREFS["max_download_speed_per_torrent"],
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"max_upload_speed": DEFAULT_PREFS["max_upload_speed_per_torrent"],
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"max_connections": DEFAULT_PREFS["max_connections_per_torrent"],
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"max_upload_slots": DEFAULT_PREFS["max_upload_slots_per_torrent"],
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"prioritize_first_last_pieces": DEFAULT_PREFS["prioritize_first_last_pieces"],
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"auto_managed": DEFAULT_PREFS["auto_managed"],
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"stop_at_ratio": DEFAULT_PREFS["stop_seed_at_ratio"],
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"stop_ratio": DEFAULT_PREFS["stop_seed_ratio"],
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"remove_at_ratio": DEFAULT_PREFS["remove_seed_at_ratio"],
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"move_completed": DEFAULT_PREFS["move_completed"],
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"move_completed_path": DEFAULT_PREFS["move_completed_path"],
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"file_priorities": [],
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"compact_allocation": DEFAULT_PREFS["compact_allocation"],
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"download_location": DEFAULT_PREFS["download_location"],
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"add_paused": DEFAULT_PREFS["add_paused"]
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}
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class Torrent:
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"""Torrent holds information about torrents added to the libtorrent session.
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"""
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def __init__(self, handle, options, state=None, filename=None):
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log.debug("Creating torrent object %s", str(handle.info_hash()))
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# Get the core config
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self.config = ConfigManager("core.conf")
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self.signals = component.get("SignalManager")
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# Set the libtorrent handle
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self.handle = handle
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# Set the torrent_id for this torrent
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self.torrent_id = str(handle.info_hash())
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# We store the filename just in case we need to make a copy of the torrentfile
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if not filename:
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# If no filename was provided, then just use the infohash
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filename = self.torrent_id
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self.filename = filename
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# Holds status info so that we don't need to keep getting it from lt
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self.status = self.handle.status()
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try:
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self.torrent_info = self.handle.get_torrent_info()
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except RuntimeError:
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self.torrent_info = None
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# Files dictionary
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self.files = self.get_files()
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# Default total_uploaded to 0, this may be changed by the state
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self.total_uploaded = 0
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# Set the default options
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self.options = OPTIONS.copy()
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self.options.update(options)
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# We need to keep track if the torrent is finished in the state to prevent
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# some weird things on state load.
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self.is_finished = False
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# Load values from state if we have it
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if state:
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# This is for saving the total uploaded between sessions
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self.total_uploaded = state.total_uploaded
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# Set the trackers
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self.set_trackers(state.trackers)
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# Set the filename
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self.filename = state.filename
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self.is_finished = state.is_finished
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# Set the per-torrent queue options
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self.options["stop_at_ratio"] = state.stop_at_ratio
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self.options["stop_ratio"] = state.stop_ratio
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self.options["remove_at_ratio"] = state.remove_at_ratio
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else:
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# Tracker list
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self.trackers = []
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# Create a list of trackers
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for value in self.handle.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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self.trackers.append(tracker)
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# Various torrent options
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self.handle.resolve_countries(True)
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self.set_options(self.options)
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# Status message holds error info about the torrent
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self.statusmsg = "OK"
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# The torrents state
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self.update_state()
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# The tracker status
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self.tracker_status = ""
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log.debug("Torrent object created.")
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## Options methods ##
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def set_options(self, options):
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OPTIONS_FUNCS = {
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# Functions used for setting options
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"max_download_speed": self.set_max_download_speed,
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"max_upload_speed": self.set_max_upload_speed,
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"max_connections": self.handle.set_max_connections,
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"max_upload_slots": self.handle.set_max_uploads,
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"prioritize_first_last_pieces": self.set_prioritize_first_last,
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"auto_managed": self.set_auto_managed,
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"file_priorities": self.set_file_priorities,
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"download_location": self.set_save_path,
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}
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for (key, value) in options.items():
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if OPTIONS_FUNCS.has_key(key):
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OPTIONS_FUNCS[key](value)
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self.options.update(options)
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def get_options(self):
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return self.options
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def set_max_connections(self, max_connections):
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self.options["max_connections"] = int(max_connections)
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self.handle.set_max_connections(max_connections)
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def set_max_upload_slots(self, max_slots):
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self.options["max_upload_slots"] = int(max_slots)
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self.handle.set_max_uploads(max_slots)
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def set_max_upload_speed(self, m_up_speed):
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self.options["max_upload_speed"] = m_up_speed
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if m_up_speed < 0:
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v = -1
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else:
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v = int(m_up_speed * 1024)
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self.handle.set_upload_limit(v)
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def set_max_download_speed(self, m_down_speed):
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self.options["max_download_speed"] = m_down_speed
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if m_down_speed < 0:
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v = -1
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else:
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v = int(m_down_speed * 1024)
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self.handle.set_download_limit(v)
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def set_prioritize_first_last(self, prioritize):
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self.options["prioritize_first_last_pieces"] = prioritize
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if prioritize:
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if self.handle.has_metadata():
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if self.handle.get_torrent_info().num_files() == 1:
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# We only do this if one file is in the torrent
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priorities = [1] * self.handle.get_torrent_info().num_pieces()
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priorities[0] = 7
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priorities[-1] = 7
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self.handle.prioritize_pieces(priorities)
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def set_auto_managed(self, auto_managed):
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self.options["auto_managed"] = auto_managed
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if not (self.handle.is_paused() and not self.handle.is_auto_managed()):
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self.handle.auto_managed(auto_managed)
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self.update_state()
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def set_stop_ratio(self, stop_ratio):
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self.options["stop_ratio"] = stop_ratio
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def set_stop_at_ratio(self, stop_at_ratio):
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self.options["stop_at_ratio"] = stop_at_ratio
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def set_remove_at_ratio(self, remove_at_ratio):
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self.options["remove_at_ratio"] = remove_at_ratio
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def set_file_priorities(self, file_priorities):
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log.debug("setting %s's file priorities: %s", self.torrent_id, file_priorities)
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if len(file_priorities) != len(self.files):
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log.debug("file_priorities len != num_files")
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return
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self.handle.prioritize_files(file_priorities)
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if 0 in self.options["file_priorities"]:
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# We have previously marked a file 'Do Not Download'
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# Check to see if we have changed any 0's to >0 and change state accordingly
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for index, priority in enumerate(self.options["file_priorities"]):
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if priority == 0 and file_priorities[index] > 0:
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# We have a changed 'Do Not Download' to a download priority
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self.is_finished = False
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self.update_state()
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break
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self.options["file_priorities"] = file_priorities
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# Set the first/last priorities if needed
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self.set_prioritize_first_last(self.options["prioritize_first_last_pieces"])
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def set_trackers(self, trackers):
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"""Sets trackers"""
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if trackers == None:
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trackers = []
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log.debug("Setting trackers for %s: %s", self.torrent_id, trackers)
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tracker_list = []
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for tracker in trackers:
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new_entry = lt.announce_entry(tracker["url"])
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new_entry.tier = tracker["tier"]
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tracker_list.append(new_entry)
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self.handle.replace_trackers(tracker_list)
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# Print out the trackers
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for t in self.handle.trackers():
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log.debug("tier: %s tracker: %s", t.tier, t.url)
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# Set the tracker list in the torrent object
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self.trackers = trackers
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if len(trackers) > 0:
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# Force a reannounce if there is at least 1 tracker
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self.force_reannounce()
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### End Options methods ###
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def set_save_path(self, save_path):
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self.options["download_location"] = save_path
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def set_tracker_status(self, status):
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"""Sets the tracker status"""
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self.tracker_status = status
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def update_state(self):
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"""Updates the state based on what libtorrent's state for the torrent is"""
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# Set the initial state based on the lt state
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LTSTATE = deluge.common.LT_TORRENT_STATE
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ltstate = int(self.handle.status().state)
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log.debug("set_state_based_on_ltstate: %s", deluge.common.LT_TORRENT_STATE[ltstate])
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log.debug("session.is_paused: %s", component.get("Core").session.is_paused())
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if ltstate == LTSTATE["Queued"] or ltstate == LTSTATE["Checking"]:
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self.state = "Checking"
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return
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elif ltstate == LTSTATE["Downloading"] or ltstate == LTSTATE["Downloading Metadata"]:
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self.state = "Downloading"
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elif ltstate == LTSTATE["Finished"] or ltstate == LTSTATE["Seeding"]:
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self.state = "Seeding"
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elif ltstate == LTSTATE["Allocating"]:
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self.state = "Allocating"
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if self.handle.is_paused() and len(self.handle.status().error) > 0:
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# This is an error'd torrent
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self.state = "Error"
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self.set_status_message(self.handle.status().error)
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self.handle.auto_managed(False)
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elif self.handle.is_paused() and self.handle.is_auto_managed() and not component.get("Core").session.is_paused():
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self.state = "Queued"
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elif component.get("Core").session.is_paused() or (self.handle.is_paused() and not self.handle.is_auto_managed()):
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self.state = "Paused"
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def set_state(self, state):
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"""Accepts state strings, ie, "Paused", "Seeding", etc."""
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if state not in TORRENT_STATE:
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log.debug("Trying to set an invalid state %s", state)
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return
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self.state = state
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return
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def set_status_message(self, message):
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self.statusmsg = message
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def get_eta(self):
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"""Returns the ETA in seconds for this torrent"""
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if self.status == None:
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status = self.handle.status()
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else:
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status = self.status
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left = status.total_wanted - status.total_done
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if left <= 0 or status.download_payload_rate == 0:
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return 0
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try:
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eta = left / status.download_payload_rate
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except ZeroDivisionError:
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eta = 0
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return eta
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def get_ratio(self):
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"""Returns the ratio for this torrent"""
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if self.status == None:
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status = self.handle.status()
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else:
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status = self.status
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up = self.total_uploaded + status.total_payload_upload
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down = status.total_done
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# Convert 'up' and 'down' to floats for proper calculation
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up = float(up)
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down = float(down)
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try:
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ratio = up / down
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except ZeroDivisionError:
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return 0.0
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return ratio
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def get_files(self):
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"""Returns a list of files this torrent contains"""
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if self.torrent_info == None and self.handle.has_metadata():
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torrent_info = self.handle.get_torrent_info()
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else:
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torrent_info = self.torrent_info
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if not torrent_info:
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return []
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ret = []
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files = torrent_info.files()
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for index, file in enumerate(files):
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ret.append({
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'index': index,
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'path': file.path,
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'size': file.size,
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'offset': file.offset
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})
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return ret
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def get_peers(self):
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"""Returns a list of peers and various information about them"""
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ret = []
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peers = self.handle.get_peer_info()
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for peer in peers:
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# We do not want to report peers that are half-connected
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if peer.flags & peer.connecting or peer.flags & peer.handshake:
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continue
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try:
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client = str(peer.client).decode("utf-8")
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except UnicodeDecodeError:
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client = str(peer.client).decode("latin-1")
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# Make country a proper string
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country = str()
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for c in peer.country:
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if not c.isalpha():
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country += " "
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else:
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country += c
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ret.append({
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"ip": "%s:%s" % (peer.ip[0], peer.ip[1]),
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"up_speed": peer.up_speed,
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"down_speed": peer.down_speed,
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"country": country,
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"client": client,
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"seed": peer.flags & peer.seed,
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"progress": peer.progress
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})
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return ret
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def get_queue_position(self):
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"""Returns the torrents queue position"""
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return self.handle.queue_position()
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def get_file_progress(self):
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"""Returns the file progress as a list of floats.. 0.0 -> 1.0"""
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file_progress = self.handle.file_progress()
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ret = []
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for i,f in enumerate(self.files):
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try:
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ret.append(float(file_progress[i]) / float(f["size"]))
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except ZeroDivisionError:
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ret.append(0.0)
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return ret
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def get_tracker_host(self):
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"""Returns just the hostname of the currently connected tracker
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if no tracker is connected, it uses the 1st tracker."""
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if not self.status:
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self.status = self.handle.status()
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tracker = self.status.current_tracker
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if not tracker and self.trackers:
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tracker = self.trackers[0]["url"]
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if tracker:
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url = urlparse(tracker)
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if hasattr(url, "hostname"):
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host = (url.hostname or 'unknown?')
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parts = host.split(".")
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if len(parts) > 2:
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host = ".".join(parts[-2:])
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return host
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return ""
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def get_status(self, keys):
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"""Returns the status of the torrent based on the keys provided"""
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# Create the full dictionary
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self.status = self.handle.status()
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if self.handle.has_metadata():
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self.torrent_info = self.handle.get_torrent_info()
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# Adjust progress to be 0-100 value
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progress = self.status.progress * 100
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# Adjust status.distributed_copies to return a non-negative value
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distributed_copies = self.status.distributed_copies
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if distributed_copies < 0:
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distributed_copies = 0.0
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#if you add a key here->add it to core.py STATUS_KEYS too.
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full_status = {
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"distributed_copies": distributed_copies,
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"total_done": self.status.total_done,
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"total_uploaded": self.total_uploaded + self.status.total_payload_upload,
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"state": self.state,
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"paused": self.status.paused,
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"progress": progress,
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"next_announce": self.status.next_announce.seconds,
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"total_payload_download": self.status.total_payload_download,
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"total_payload_upload": self.status.total_payload_upload,
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"download_payload_rate": self.status.download_payload_rate,
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"upload_payload_rate": self.status.upload_payload_rate,
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"num_peers": self.status.num_peers - self.status.num_seeds,
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"num_seeds": self.status.num_seeds,
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"total_peers": self.status.num_incomplete,
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"total_seeds": self.status.num_complete,
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"total_wanted": self.status.total_wanted,
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"tracker": self.status.current_tracker,
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"trackers": self.trackers,
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"tracker_status": self.tracker_status,
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"save_path": self.options["download_location"],
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"files": self.files,
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"file_priorities": self.options["file_priorities"],
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"compact": self.options["compact_allocation"],
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"max_connections": self.options["max_connections"],
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"max_upload_slots": self.options["max_upload_slots"],
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"max_upload_speed": self.options["max_upload_speed"],
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"max_download_speed": self.options["max_download_speed"],
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"prioritize_first_last": self.options["prioritize_first_last_pieces"],
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"message": self.statusmsg,
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"hash": self.torrent_id,
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"active_time": self.status.active_time,
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"seeding_time": self.status.seeding_time,
|
|
"seed_rank": self.status.seed_rank,
|
|
"is_auto_managed": self.options["auto_managed"],
|
|
"stop_ratio": self.options["stop_ratio"],
|
|
"stop_at_ratio": self.options["stop_at_ratio"],
|
|
"remove_at_ratio": self.options["remove_at_ratio"],
|
|
"move_on_completed": self.options["move_completed"],
|
|
"move_on_completed_path": self.options["move_completed_path"]
|
|
}
|
|
|
|
def ti_name():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.name()
|
|
return self.torrent_id
|
|
def ti_priv():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.priv()
|
|
return False
|
|
def ti_total_size():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.total_size()
|
|
return 0
|
|
def ti_num_files():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.num_files()
|
|
return 0
|
|
def ti_num_pieces():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.num_pieces()
|
|
return 0
|
|
def ti_piece_length():
|
|
if self.handle.has_metadata():
|
|
return self.torrent_info.piece_length()
|
|
return 0
|
|
|
|
fns = {
|
|
"name": ti_name,
|
|
"private": ti_priv,
|
|
"total_size": ti_total_size,
|
|
"num_files": ti_num_files,
|
|
"num_pieces": ti_num_pieces,
|
|
"piece_length": ti_piece_length,
|
|
"eta": self.get_eta,
|
|
"ratio": self.get_ratio,
|
|
"file_progress": self.get_file_progress,
|
|
"queue": self.handle.queue_position,
|
|
"is_seed": self.handle.is_seed,
|
|
"peers": self.get_peers,
|
|
"tracker_host": self.get_tracker_host
|
|
}
|
|
|
|
# Create the desired status dictionary and return it
|
|
status_dict = {}
|
|
|
|
if len(keys) == 0:
|
|
status_dict = full_status
|
|
for key in fns:
|
|
status_dict[key] = fns[key]()
|
|
else:
|
|
for key in keys:
|
|
if key in full_status:
|
|
status_dict[key] = full_status[key]
|
|
elif key in fns:
|
|
status_dict[key] = fns[key]()
|
|
|
|
self.status = None
|
|
self.torrent_info = None
|
|
|
|
return status_dict
|
|
|
|
def apply_options(self):
|
|
"""Applies the per-torrent options that are set."""
|
|
self.handle.set_max_connections(self.max_connections)
|
|
self.handle.set_max_uploads(self.max_upload_slots)
|
|
self.handle.set_upload_limit(int(self.max_upload_speed * 1024))
|
|
self.handle.set_download_limit(int(self.max_download_speed * 1024))
|
|
self.handle.prioritize_files(self.file_priorities)
|
|
self.handle.resolve_countries(True)
|
|
|
|
def pause(self):
|
|
"""Pause this torrent"""
|
|
# Turn off auto-management so the torrent will not be unpaused by lt queueing
|
|
self.handle.auto_managed(False)
|
|
if self.handle.is_paused():
|
|
# This torrent was probably paused due to being auto managed by lt
|
|
# Since we turned auto_managed off, we should update the state which should
|
|
# show it as 'Paused'. We need to emit a torrent_paused signal because
|
|
# the torrent_paused alert from libtorrent will not be generated.
|
|
self.update_state()
|
|
self.signals.emit("torrent_paused", self.torrent_id)
|
|
else:
|
|
try:
|
|
self.handle.pause()
|
|
except Exception, e:
|
|
log.debug("Unable to pause torrent: %s", e)
|
|
return False
|
|
|
|
return True
|
|
|
|
def resume(self):
|
|
"""Resumes this torrent"""
|
|
|
|
if self.handle.is_paused() and self.handle.is_auto_managed():
|
|
log.debug("Torrent is being auto-managed, cannot resume!")
|
|
return
|
|
else:
|
|
# Reset the status message just in case of resuming an Error'd torrent
|
|
self.set_status_message("OK")
|
|
|
|
if self.handle.is_finished():
|
|
# If the torrent has already reached it's 'stop_seed_ratio' then do not do anything
|
|
if self.config["stop_seed_at_ratio"] or self.options["stop_at_ratio"]:
|
|
if self.options["stop_at_ratio"]:
|
|
ratio = self.options["stop_ratio"]
|
|
else:
|
|
ratio = self.config["stop_seed_ratio"]
|
|
|
|
if self.get_ratio() >= ratio:
|
|
self.signals.emit("torrent_resume_at_stop_ratio")
|
|
return
|
|
|
|
if self.options["auto_managed"]:
|
|
# This torrent is to be auto-managed by lt queueing
|
|
self.handle.auto_managed(True)
|
|
|
|
try:
|
|
self.handle.resume()
|
|
except:
|
|
pass
|
|
|
|
return True
|
|
|
|
def move_storage(self, dest):
|
|
"""Move a torrent's storage location"""
|
|
try:
|
|
self.handle.move_storage(dest)
|
|
except:
|
|
return False
|
|
|
|
return True
|
|
|
|
def write_fastresume(self):
|
|
"""Writes the .fastresume file for the torrent"""
|
|
resume_data = lt.bencode(self.handle.write_resume_data())
|
|
path = "%s/%s.fastresume" % (
|
|
self.config["state_location"],
|
|
self.torrent_id)
|
|
log.debug("Saving fastresume file: %s", path)
|
|
try:
|
|
self.delete_fastresume()
|
|
fastresume = open(path, "wb")
|
|
fastresume.write(resume_data)
|
|
fastresume.close()
|
|
except IOError:
|
|
log.warning("Error trying to save fastresume file")
|
|
|
|
def delete_fastresume(self):
|
|
"""Deletes the .fastresume file"""
|
|
path = "%s/%s.fastresume" % (
|
|
self.config["state_location"],
|
|
self.torrent_id)
|
|
log.debug("Deleting fastresume file: %s", path)
|
|
try:
|
|
os.remove(path)
|
|
except Exception, e:
|
|
log.warning("Unable to delete the fastresume file: %s", e)
|
|
|
|
def delete_torrentfile(self):
|
|
"""Deletes the .torrent file in the state"""
|
|
path = "%s/%s.torrent" % (
|
|
self.config["state_location"],
|
|
self.torrent_id)
|
|
log.debug("Deleting torrent file: %s", path)
|
|
try:
|
|
os.remove(path)
|
|
except Exception, e:
|
|
log.warning("Unable to delete the torrent file: %s", e)
|
|
|
|
def force_reannounce(self):
|
|
"""Force a tracker reannounce"""
|
|
try:
|
|
self.handle.force_reannounce()
|
|
except Exception, e:
|
|
log.debug("Unable to force reannounce: %s", e)
|
|
return False
|
|
|
|
return True
|
|
|
|
def scrape_tracker(self):
|
|
"""Scrape the tracker"""
|
|
try:
|
|
self.handle.scrape_tracker()
|
|
except Exception, e:
|
|
log.debug("Unable to scrape tracker: %s", e)
|
|
return False
|
|
|
|
return True
|
|
|
|
def force_recheck(self):
|
|
"""Forces a recheck of the torrents pieces"""
|
|
try:
|
|
self.handle.force_recheck()
|
|
except Exception, e:
|
|
log.debug("Unable to force recheck: %s", e)
|
|
return False
|
|
return True
|