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SickRage/sickbeard/scheduler.py
echel0n c5f933e4c8 Fixed app performance issues from recent upgrades.
Fixed issues with manual searches not working.

Moved misc routine tasks to a proper schedualed thread that runs every 1 hour for updating network timezones, scene exceptions, and trimming failed history.

Forced misc routine tasks at startup to complete first before anything else runs, critical since this does our scene exception updates and internal scene cache loading which is needed before searches begin.
2014-05-26 13:16:07 -07:00

88 lines
2.7 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 time
import threading
import traceback
from sickbeard import logger
from sickbeard.exceptions import ex
class Scheduler:
def __init__(self, action, cycleTime=datetime.timedelta(minutes=10), runImmediately=True,
threadName="ScheduledThread", silent=False):
if runImmediately:
self.lastRun = datetime.datetime.fromordinal(1)
else:
self.lastRun = datetime.datetime.now()
self.action = action
self.cycleTime = cycleTime
self.thread = None
self.threadName = threadName
self.silent = silent
self.initThread()
self.abort = False
self.force = False
def initThread(self):
if self.thread == None or not self.thread.isAlive():
self.thread = threading.Thread(None, self.runAction, self.threadName)
def timeLeft(self):
return self.cycleTime - (datetime.datetime.now() - self.lastRun)
def forceRun(self):
if not self.action.amActive:
self.lastRun = datetime.datetime.fromordinal(1)
self.force = True
return True
return False
def runAction(self):
while True:
currentTime = datetime.datetime.now()
if currentTime - self.lastRun > self.cycleTime:
self.lastRun = currentTime
try:
if not self.silent:
logger.log(u"Starting new thread: " + self.threadName, logger.DEBUG)
self.action.run(self.force)
except Exception, e:
logger.log(u"Exception generated in thread " + self.threadName + ": " + ex(e), logger.ERROR)
logger.log(repr(traceback.format_exc()), logger.DEBUG)
if self.abort:
self.abort = False
self.thread = None
return
if self.force:
self.force = False
time.sleep(1)