mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-06 01:15:05 -05:00
636bbfa2de
Reduced DB sleep timer to increase overall performance of application. Improved generic queue code for threading.
117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
# Author: Nic Wolfe <nic@wolfeden.ca>
|
|
# URL: http://code.google.com/p/sickbeard/
|
|
#
|
|
# This file is part of SickRage.
|
|
#
|
|
# SickRage 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.
|
|
#
|
|
# SickRage 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 SickRage. 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.queue_name = "QUEUE"
|
|
|
|
self.min_priority = 0
|
|
|
|
self.lock = threading.Lock()
|
|
|
|
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, force=False):
|
|
|
|
# only start a new task if one isn't already going
|
|
if self.currentItem is None or not self.currentItem.isAlive():
|
|
|
|
# if the thread is dead then the current item should be finished
|
|
if self.currentItem:
|
|
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)
|
|
if self.queue[0].priority < self.min_priority:
|
|
return
|
|
|
|
# launch the queue item in a thread
|
|
self.currentItem = self.queue.pop(0)
|
|
self.currentItem.name = self.queue_name + '-' + self.currentItem.name
|
|
self.currentItem.start()
|
|
|
|
class QueueItem(threading.Thread):
|
|
def __init__(self, name, action_id=0):
|
|
super(QueueItem, self).__init__()
|
|
|
|
self.name = name.replace(" ", "-").upper()
|
|
self.inProgress = False
|
|
self.priority = QueuePriorities.NORMAL
|
|
self.action_id = action_id
|
|
self.stop = threading.Event()
|
|
self.added = None
|
|
|
|
def run(self):
|
|
"""Implementing classes should call this"""
|
|
|
|
self.inProgress = True
|
|
|
|
def finish(self):
|
|
"""Implementing Classes should call this"""
|
|
|
|
self.inProgress = False
|
|
|
|
threading.currentThread().name = self.name
|