mirror of
https://github.com/SickGear/SickGear.git
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79f923dc9c
Cleanup now performed after scene exception retrieval is performed on globals. Fixed db type errors for name parser cache and rss feed cache.
124 lines
No EOL
3.5 KiB
Python
124 lines
No EOL
3.5 KiB
Python
# Author: Nic Wolfe <nic@wolfeden.ca>
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# URL: http://code.google.com/p/sickbeard/
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#
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# This file is part of SickRage.
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#
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# SickRage is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# SickRage 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. See the
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# 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 SickRage. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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import threading
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from sickbeard import logger
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class QueuePriorities:
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LOW = 10
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NORMAL = 20
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HIGH = 30
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class GenericQueue(object):
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def __init__(self):
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self.currentItem = None
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self.queue = []
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self.queue_name = "QUEUE"
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self.min_priority = 0
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self.currentItem = None
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self.lock = threading.Lock()
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def pause(self):
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logger.log(u"Pausing queue")
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self.min_priority = 999999999999
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def unpause(self):
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logger.log(u"Unpausing queue")
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self.min_priority = 0
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def add_item(self, item):
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item.added = datetime.datetime.now()
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self.queue.append(item)
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return item
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def run(self, force=False):
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# if the thread is dead then the current item should be finished
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if self.currentItem is not None:
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self.currentItem.finish()
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self.currentItem = None
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# only start a new task if one isn't already going
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if not self.currentItem or not self.currentItem.isAlive():
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# if there's something in the queue then run it in a thread and take it out of the queue
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if len(self.queue) > 0:
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# sort by priority
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def sorter(x, y):
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"""
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Sorts by priority descending then time ascending
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"""
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if x.priority == y.priority:
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if y.added == x.added:
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return 0
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elif y.added < x.added:
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return 1
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elif y.added > x.added:
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return -1
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else:
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return y.priority - x.priority
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self.queue.sort(cmp=sorter)
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queueItem = self.queue[0]
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if queueItem.priority < self.min_priority:
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return
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# launch the queue item in a thread
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queueItem.name = self.queue_name + '-' + queueItem.name
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queueItem.start()
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self.currentItem = queueItem
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# take it out of the queue
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del self.queue[0]
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class QueueItem(threading.Thread):
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def __init__(self, name, action_id=0):
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super(QueueItem, self).__init__()
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self.name = name.replace(" ", "-").upper()
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self.inProgress = False
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self.priority = QueuePriorities.NORMAL
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self.action_id = action_id
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self.added = None
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self.alive = True
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self.stop = threading.Event()
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def run(self):
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"""Implementing classes should call this"""
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self.inProgress = True
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def finish(self):
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"""Implementing Classes should call this"""
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self.inProgress = False
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self.alive = False |