91 lines
3.1 KiB
Python
91 lines
3.1 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 time
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import threading
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import traceback
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from sickbeard import logger
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from sickbeard.exceptions import ex
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class Scheduler(threading.Thread):
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def __init__(self, action, cycleTime=datetime.timedelta(minutes=10), run_delay=datetime.timedelta(minutes=0),
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start_time=None, threadName="ScheduledThread", silent=True):
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super(Scheduler, self).__init__()
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self.lastRun = datetime.datetime.now() + run_delay - cycleTime
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self.action = action
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self.cycleTime = cycleTime
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self.start_time = start_time
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self.name = threadName
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self.silent = silent
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self.stop = threading.Event()
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self.force = False
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def timeLeft(self):
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return self.cycleTime - (datetime.datetime.now() - self.lastRun)
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def forceRun(self):
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if not self.action.amActive:
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self.lastRun = datetime.datetime.fromordinal(1)
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self.force = True
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return True
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return False
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def run(self):
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while not self.stop.is_set():
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current_time = datetime.datetime.now()
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should_run = False
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# check if interval has passed
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if current_time - self.lastRun >= self.cycleTime:
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# check if wanting to start around certain time taking interval into account
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if self.start_time:
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hour_diff = current_time.time().hour - self.start_time.hour
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if not hour_diff < 0 and hour_diff < self.cycleTime.seconds / 3600:
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should_run = True
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else:
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# set lastRun to only check start_time after another cycleTime
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self.lastRun = current_time
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else:
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should_run = True
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if should_run:
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self.lastRun = current_time
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try:
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if not self.silent:
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logger.log(u"Starting new thread: " + self.name, logger.DEBUG)
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self.action.run(self.force)
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except Exception, e:
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logger.log(u"Exception generated in thread " + self.name + ": " + ex(e), logger.ERROR)
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logger.log(repr(traceback.format_exc()), logger.DEBUG)
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if self.force:
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self.force = False
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time.sleep(1)
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# exiting thread
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self.stop.clear() |