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SickRage/sickbeard/generic_queue.py
echel0n 0d9fbc1ad7 Welcome to our SickBeard-TVRage Edition ...
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer.

Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer.

Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk!

Enjoy!
2014-03-09 22:39:12 -07:00

135 lines
3.7 KiB
Python

# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of Sick Beard.
#
# Sick Beard is free software: you can 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.
#
# Sick Beard 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 Sick Beard. If not, see <http://www.gnu.org/licenses/>.
import datetime
import threading
from sickbeard import logger
class QueuePriorities:
LOW = 10
NORMAL = 20
HIGH = 30
class GenericQueue(object):
def __init__(self):
self.currentItem = None
self.queue = []
self.thread = None
self.queue_name = "QUEUE"
self.min_priority = 0
self.currentItem = None
def pause(self):
logger.log(u"Pausing queue")
self.min_priority = 999999999999
def unpause(self):
logger.log(u"Unpausing queue")
self.min_priority = 0
def add_item(self, item):
item.added = datetime.datetime.now()
self.queue.append(item)
return item
def run(self):
# only start a new task if one isn't already going
if self.thread == None or self.thread.isAlive() == False:
# if the thread is dead then the current item should be finished
if self.currentItem != None:
self.currentItem.finish()
self.currentItem = None
# if there's something in the queue then run it in a thread and take it out of the queue
if len(self.queue) > 0:
# sort by priority
def sorter(x,y):
"""
Sorts by priority descending then time ascending
"""
if x.priority == y.priority:
if y.added == x.added:
return 0
elif y.added < x.added:
return 1
elif y.added > x.added:
return -1
else:
return y.priority-x.priority
self.queue.sort(cmp=sorter)
queueItem = self.queue[0]
if queueItem.priority < self.min_priority:
return
# launch the queue item in a thread
# TODO: improve thread name
threadName = self.queue_name + '-' + queueItem.get_thread_name()
self.thread = threading.Thread(None, queueItem.execute, threadName)
self.thread.start()
self.currentItem = queueItem
# take it out of the queue
del self.queue[0]
class QueueItem:
def __init__(self, name, action_id = 0):
self.name = name
self.inProgress = False
self.priority = QueuePriorities.NORMAL
self.thread_name = None
self.action_id = action_id
self.added = None
def get_thread_name(self):
if self.thread_name:
return self.thread_name
else:
return self.name.replace(" ","-").upper()
def execute(self):
"""Implementing classes should call this"""
self.inProgress = True
def finish(self):
"""Implementing Classes should call this"""
self.inProgress = False