Files
2014-06-23 01:09:32 +02:00

83 lines
2.5 KiB
Python

from apscheduler.scheduler import Scheduler as Sched
from couchpotato.core.event import addEvent
from couchpotato.core.logger import CPLog
from couchpotato.core.plugins.base import Plugin
log = CPLog(__name__)
autoload = 'Scheduler'
class Scheduler(Plugin):
crons = {}
intervals = {}
started = False
def __init__(self):
addEvent('schedule.cron', self.cron)
addEvent('schedule.interval', self.interval)
addEvent('schedule.remove', self.remove)
addEvent('schedule.queue', self.queue)
self.sched = Sched(misfire_grace_time = 60)
self.sched.start()
self.started = True
def remove(self, identifier):
for cron_type in ['intervals', 'crons']:
try:
self.sched.unschedule_job(getattr(self, cron_type)[identifier]['job'])
log.debug('%s unscheduled %s', (cron_type.capitalize(), identifier))
except:
pass
def doShutdown(self, *args, **kwargs):
self.stop()
return super(Scheduler, self).doShutdown(*args, **kwargs)
def stop(self):
if self.started:
log.debug('Stopping scheduler')
self.sched.shutdown(wait = False)
log.debug('Scheduler stopped')
self.started = False
def cron(self, identifier = '', handle = None, day = '*', hour = '*', minute = '*'):
log.info('Scheduling "%s", cron: day = %s, hour = %s, minute = %s', (identifier, day, hour, minute))
self.remove(identifier)
self.crons[identifier] = {
'handle': handle,
'day': day,
'hour': hour,
'minute': minute,
'job': self.sched.add_cron_job(handle, day = day, hour = hour, minute = minute)
}
def interval(self, identifier = '', handle = None, hours = 0, minutes = 0, seconds = 0):
log.info('Scheduling %s, interval: hours = %s, minutes = %s, seconds = %s', (identifier, hours, minutes, seconds))
self.remove(identifier)
self.intervals[identifier] = {
'handle': handle,
'hours': hours,
'minutes': minutes,
'seconds': seconds,
'job': self.sched.add_interval_job(handle, hours = hours, minutes = minutes, seconds = seconds)
}
return True
def queue(self, handlers = None):
if not handlers: handlers = []
for h in handlers:
h()
if self.shuttingDown():
break
return True