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#
# core.py
#
# Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
#
# Deluge is free software.
#
# You may redistribute it and/or modify it under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation; either version 3 of the License, or (at your option)
# any later version.
#
# deluge is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with deluge. If not, write to:
# The Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor
# Boston, MA 02110-1301, USA.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
#
#
import os
import time
import hashlib
from twisted.internet.utils import getProcessOutputAndValue
from deluge.log import LOG as log
from deluge.plugins.pluginbase import CorePluginBase
import deluge.component as component
from deluge.configmanager import ConfigManager
from deluge.core.rpcserver import export
from deluge.event import DelugeEvent
DEFAULT_CONFIG = {
"commands": []
}
EXECUTE_ID = 0
EXECUTE_EVENT = 1
EXECUTE_COMMAND = 2
EVENT_MAP = {
"complete": "TorrentFinishedEvent",
"added": "TorrentAddedEvent"
}
class ExecuteCommandAddedEvent(DelugeEvent):
"""
Emitted when a new command is added.
"""
def __init__(self, command_id, event, command):
self._args = [command_id, event, command]
class ExecuteCommandRemovedEvent(DelugeEvent):
"""
Emitted when a command is removed.
"""
def __init__(self, command_id):
self._args = [command_id]
class Core(CorePluginBase):
def enable(self):
self.config = ConfigManager("execute.conf", DEFAULT_CONFIG)
event_manager = component.get("EventManager")
self.torrent_manager = component.get("TorrentManager")
self.registered_events = {}
# Go through the commands list and register event handlers
for command in self.config["commands"]:
event = command[EXECUTE_EVENT]
if event in self.registered_events:
continue
def create_event_handler(event):
def event_handler(torrent_id):
self.execute_commands(torrent_id, event)
return event_handler
event_handler = create_event_handler(event)
event_manager.register_event_handler(EVENT_MAP[event], event_handler)
self.registered_events[event] = event_handler
log.debug("Execute core plugin enabled!")
def execute_commands(self, torrent_id, event):
torrent = component.get("TorrentManager").torrents[torrent_id]
info = torrent.get_status(["name", "save_path"])
# Grab the torrent name and save path
torrent_name = info["name"]
if event == "added" and not self.torrent_manager.session_started:
return
else:
save_path = info["save_path"]
# getProcessOutputAndValue requires args to be str
if isinstance(torrent_id, unicode):
torrent_id = torrent_id.encode("utf-8", "ignore")
if isinstance(torrent_name, unicode):
torrent_name = torrent_name.encode("utf-8", "ignore")
if isinstance(save_path, unicode):
save_path = save_path.encode("utf-8", "ignore")
log.debug("[execute] Running commands for %s", event)
def log_error(result, command):
(stdout, stderr, exit_code) = result
if exit_code:
log.warn("[execute] command '%s' failed with exit code %d", command, exit_code)
if stdout:
log.warn("[execute] stdout: %s", stdout)
if stderr:
log.warn("[execute] stderr: %s", stderr)
# Go through and execute all the commands
for command in self.config["commands"]:
if command[EXECUTE_EVENT] == event:
command = os.path.expandvars(command[EXECUTE_COMMAND])
command = os.path.expanduser(command)
log.debug("[execute] running %s", command)
d = getProcessOutputAndValue(command, (torrent_id, torrent_name, save_path), env=os.environ)
d.addCallback(log_error, command)
def disable(self):
self.config.save()
event_manager = component.get("EventManager")
for event, handler in self.registered_events.iteritems():
event_manager.deregister_event_handler(event, handler)
log.debug("Execute core plugin disabled!")
### Exported RPC methods ###
@export
def add_command(self, event, command):
command_id = hashlib.sha1(str(time.time())).hexdigest()
self.config["commands"].append((command_id, event, command))
self.config.save()
component.get("EventManager").emit(ExecuteCommandAddedEvent(command_id, event, command))
@export
def get_commands(self):
return self.config["commands"]
@export
def remove_command(self, command_id):
for command in self.config["commands"]:
if command[EXECUTE_ID] == command_id:
self.config["commands"].remove(command)
component.get("EventManager").emit(ExecuteCommandRemovedEvent(command_id))
break
self.config.save()
@export
def save_command(self, command_id, event, cmd):
for i, command in enumerate(self.config["commands"]):
if command[EXECUTE_ID] == command_id:
self.config["commands"][i] = (command_id, event, cmd)
break
self.config.save()
|
Deluge
