SickGear/sickbeard/scheduler.py
JackDandy bf99164978 Refactor scheduler and upstream ports.
Move start time check from properFinder and showUpdater into scheduler.
Add show how long to next propers search at end of each run.
Change proper finder and show updater to silent thread logging.
Change Scheduler runImmediately to run_delay.
2014-06-19 16:38:15 +01:00

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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), run_delay=datetime.timedelta(minutes=0),
start_time=None, threadName="ScheduledThread", silent=True):
self.lastRun = datetime.datetime.now() + run_delay - cycleTime
self.action = action
self.cycleTime = cycleTime
self.start_time = start_time
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:
current_time = datetime.datetime.now()
should_run = False
# check if interval has passed
if current_time - self.lastRun >= self.cycleTime:
# check if wanting to start around certain time taking interval into account
if self.start_time:
hour_diff = current_time.time().hour - self.start_time.hour
if not hour_diff < 0 and hour_diff < self.cycleTime.seconds / 3600:
should_run = True
else:
# set lastRun to only check start_time after another cycleTime
self.lastRun = current_time
else:
should_run = True
if should_run:
self.lastRun = current_time
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)