mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-23 19:23:37 +00:00
141 lines
5 KiB
Python
141 lines
5 KiB
Python
#
|
|
# This file is part of SickGear.
|
|
#
|
|
# SickGear 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.
|
|
#
|
|
# SickGear 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 SickGear. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from __future__ import division
|
|
|
|
import datetime
|
|
import time
|
|
import threading
|
|
import traceback
|
|
|
|
from . import logger
|
|
from exceptions_helper import ex
|
|
|
|
|
|
class Scheduler(threading.Thread):
|
|
def __init__(self, action, cycle_time=datetime.timedelta(minutes=10), run_delay=datetime.timedelta(minutes=0),
|
|
start_time=None, thread_name="ScheduledThread", silent=True, prevent_cycle_run=None, paused=False):
|
|
super(Scheduler, self).__init__()
|
|
|
|
self.last_run = datetime.datetime.now() + run_delay - cycle_time
|
|
self.action = action
|
|
self.cycle_time = cycle_time
|
|
self.start_time = start_time
|
|
self.prevent_cycle_run = prevent_cycle_run
|
|
|
|
self.name = thread_name
|
|
self.silent = silent
|
|
self._stopper = threading.Event()
|
|
self._unpause = threading.Event()
|
|
if not paused:
|
|
self._unpause.set()
|
|
self.lock = threading.Lock()
|
|
self.force = False
|
|
|
|
def pause(self):
|
|
self._unpause.clear()
|
|
|
|
def unpause(self):
|
|
self._unpause.set()
|
|
|
|
def stopit(self):
|
|
""" Stop the thread's activity.
|
|
"""
|
|
self._stopper.set()
|
|
self.unpause()
|
|
|
|
def set_paused_state(self):
|
|
if hasattr(self.action, 'is_enabled'):
|
|
self.silent = not self.action.is_enabled()
|
|
if self.silent:
|
|
self.pause()
|
|
else:
|
|
self.unpause()
|
|
|
|
def time_left(self):
|
|
return self.cycle_time - (datetime.datetime.now() - self.last_run)
|
|
|
|
def force_run(self):
|
|
if not self.action.amActive:
|
|
self.force = True
|
|
return True
|
|
return False
|
|
|
|
def run(self):
|
|
self.set_paused_state()
|
|
|
|
# load previously saved queue
|
|
try:
|
|
if getattr(self.action, 'load_queue', None):
|
|
self.action.load_queue()
|
|
except (BaseException, Exception):
|
|
pass
|
|
|
|
# if self._unpause Event() is NOT set the loop pauses
|
|
while self._unpause.wait() and not self._stopper.is_set():
|
|
|
|
if getattr(self.action, 'is_enabled', True):
|
|
try:
|
|
current_time = datetime.datetime.now()
|
|
should_run = False
|
|
|
|
# check if interval has passed
|
|
if current_time - self.last_run >= self.cycle_time:
|
|
# 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.cycle_time.seconds // 3600:
|
|
should_run = True
|
|
else:
|
|
# set last_run to only check start_time after another cycle_time
|
|
self.last_run = current_time
|
|
else:
|
|
should_run = True
|
|
|
|
if self.force:
|
|
should_run = True
|
|
|
|
if should_run and ((self.prevent_cycle_run is not None and self.prevent_cycle_run()) or
|
|
getattr(self.action, 'prevent_run', False)):
|
|
logger.warning(f'{self.name} skipping this cycle_time')
|
|
# set last_run to only check start_time after another cycle_time
|
|
self.last_run = current_time
|
|
should_run = False
|
|
|
|
if should_run:
|
|
self.last_run = current_time
|
|
|
|
try:
|
|
if not self.silent:
|
|
logger.debug(f'Starting new thread: {self.name}')
|
|
|
|
self.action.run()
|
|
except (BaseException, Exception) as e:
|
|
logger.error(f'Exception generated in thread {self.name}: {ex(e)}')
|
|
logger.error(repr(traceback.format_exc()))
|
|
|
|
finally:
|
|
if self.force:
|
|
self.force = False
|
|
else:
|
|
# disabled schedulers will only be rechecked every 30 seconds until enabled
|
|
time.sleep(30)
|
|
|
|
time.sleep(1)
|
|
|
|
# exiting thread
|
|
self._stopper.clear()
|
|
self._unpause.clear()
|