def create_scheduler(self):
self.scheduler = GeventScheduler(
job_defaults={
'coalesce': False,
'max_instances': max_instances
}
)
def __init__(self, config, activate=False):
super(AuctionsDataBridge, self).__init__()
self.config = config
self.tenders_ids_list = []
self.activate = activate
self.client = ApiClient(
'',
host_url=self.config_get('tenders_api_server'),
api_version=self.config_get('tenders_api_version'))
params = {'opt_fields': 'status,auctionPeriod', 'mode': '_all_'}
if parse_version(
self.config_get('tenders_api_version')) > parse_version('0.9'):
params['opt_fields'] += ',lots'
self.client.params.update(params)
self.tz = tzlocal()
self.couch_url = urljoin(self.config_get('couch_url'),
self.config_get('auctions_db'))
self.db = Database(self.couch_url,
session=Session(retry_delays=range(10)))
if self.activate:
self.queue = Queue()
self.scheduler = GeventScheduler()
self.scheduler.add_job(self.run_systemd_cmds,
'interval',
max_instances=1,
minutes=2,
id='run_systemd_cmds')
self.scheduler.start()
class WatchDog(WebSocketWatchDog):
websocket_manage_dict = dict()
def __init__(self, is_auto_connect=True, heart_beat_limit_ms=HEART_BEAT_MS, reconnect_after_ms=RECONNECT_MS, restart_ms=RESTART_MS):
threading.Thread.__init__(self)
self.is_auto_connect = is_auto_connect
self.heart_beat_limit_ms = heart_beat_limit_ms
self.reconnect_after_ms = reconnect_after_ms if reconnect_after_ms > heart_beat_limit_ms else heart_beat_limit_ms
self.restart_ms = restart_ms
self.logger = logger
self.scheduler = Scheduler()
self.scheduler.add_job(check_reconnect, "interval", max_instances=1, seconds=1, args=[self])
self.start()
def get_random_restart_at(self, wm):
return wm.created_at + self.restart_ms + hash(wm) % RESTART_RANGE
def on_connection_closed(self, websocket_manage):
self.mutex.acquire()
self.websocket_manage_list.remove(websocket_manage)
[name] = [name for name, wm in self.websocket_manage_dict.items() if wm == websocket_manage]
del self.websocket_manage_dict[name]
self.mutex.release()
def after_connection_created(self, name):
[wm] = [wm for wm in self.websocket_manage_list if wm not in self.websocket_manage_dict.values()]
self.mutex.acquire()
self.websocket_manage_dict[name] = wm
self.mutex.release()
def delayed_finish():
final_sched = Scheduler()
final_sched.start()
now = datetime.today()
deltaFinal = timedelta( seconds = final_wait )
starttime = now + deltaFinal
final_sched.add_job( final_finish, 'date', run_date = starttime, args= [ ] )
def __init__(self, irc_c, config):
self.config = config
self.scheduler = GeventScheduler()
self._scheduler_greenlet = self.scheduler.start()
log_propagation_message = partial(
irc_c.PRIVMSG,
CONFIG.external['propagation']['logging']['channel'],
)
# Scheduled full wiki update
self.scheduler.add_job(
Propagate.get_wiki_data,
'cron',
kwargs={'reply': log_propagation_message},
**self.cron_to_kwargs(
CONFIG.external['propagation']['all_articles']['often']),
)
# Scheduled recent pages update
self.scheduler.add_job(
Propagate.get_wiki_data,
'cron',
kwargs={
'reply': log_propagation_message,
'seconds': 259200
},
**self.cron_to_kwargs(
CONFIG.external['propagation']['new_articles']['often']),
)
def __init__(self, name='defaultController', workflows_path=core.config.paths.workflows_path):
"""Initializes a Controller object.
Args:
name (str, optional): Name for the controller.
workflows_path (str, optional): Path to the workflows.
"""
self.name = name
self.workflows = {}
self.workflow_status = {}
self.load_all_workflows_from_directory(path=workflows_path)
self.instances = {}
self.tree = None
self.scheduler = GeventScheduler()
self.scheduler.add_listener(self.__scheduler_listener(),
EVENT_SCHEDULER_START | EVENT_SCHEDULER_SHUTDOWN
| EVENT_SCHEDULER_PAUSED | EVENT_SCHEDULER_RESUMED
| EVENT_JOB_ADDED | EVENT_JOB_REMOVED
| EVENT_JOB_EXECUTED | EVENT_JOB_ERROR)
self.ancestry = [self.name]
def workflow_completed_callback(sender, **kwargs):
self.__workflow_completed_callback(sender, **kwargs)
callbacks.WorkflowShutdown.connect(workflow_completed_callback)
class ScheduledEventProducer(EventProducer):
'''
Desciption:
Continuously generates an event based on a defined interval, or if an event is consumed
Parameters:
producers (Optional[int]):
| The number of greenthreads to spawn that each spawn events at the provided interval
| Default: 1
interval (Optional[float] OR dict):
| The interval (in seconds) between each generated event.
| Should have a value > 0.
| Can also be a dict, supporting values of weeks, days, hours, minutes, and seconds
| default: 5
delay (Optional[float]):
| The time (in seconds) to wait before initial event generation.
| Default: 0
interval_grace_time (Optional[int]):
| Sometimes the scheduler can fail to wakeup and execute a job right at the set interval. This is how much
| time (in seconds) the scheduler can miss the interval time by and the job will still be run.
| Default: None (will use apscheduler's default miss_grace_time of 1 second)
'''
'''
MIXIN Attributes:
DEFAULT_INTERVAL = {}
def _parse_interval(self, interval):
def _initialize_jobs(self):
'''
def __init__(self, name, *args, **kwargs):
super(ScheduledEventProducer, self).__init__(name, *args, **kwargs)
self._init_scheduler(*args, **kwargs)
def _init_scheduler(self,
producers=1,
interval=5,
delay=0,
scheduler=None,
interval_grace_time=None,
*args,
**kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
self.interval_grace_time = interval_grace_time
if not self.scheduler:
self.scheduler = GeventScheduler(
misfire_grace_time=self.interval_grace_time)
def pre_hook(self):
#super(ScheduledEventProducer, self).pre_hook()
self._initialize_jobs()
gevent.sleep(self.delay)
self.scheduler.start()
def post_hook(self):
#super(ScheduledEventProducer, self).post_hook()
self.scheduler.shutdown()
def __init__(self):
self.scheduler = GeventScheduler()
self.scheduler.add_listener(self.__scheduler_listener(),
EVENT_SCHEDULER_START | EVENT_SCHEDULER_SHUTDOWN
| EVENT_SCHEDULER_PAUSED | EVENT_SCHEDULER_RESUMED
| EVENT_JOB_ADDED | EVENT_JOB_REMOVED
| EVENT_JOB_EXECUTED | EVENT_JOB_ERROR)
self.id = 'controller'
self.app = None
def deactivate_player(self, player):
player.active = False
scheduler = GeventScheduler()
timeout_date = datetime.now() + timedelta(seconds=PLAYER_TIMEOUT)
scheduler.add_job(self.delete_player,
'date',
run_date=timeout_date,
args=[player])
g = scheduler.start()
g.join()
def __init__(self, socketio):
self.__socketio = socketio
self.__jobs = {}
self.__tiles = {}
self.__cache = {}
executors = {
'default': {'type': 'threadpool', 'max_workers': 20}
}
self.__scheduler = GeventScheduler(executors=executors)
def scheduler_loop(arg):
global sched
sched = Scheduler()
sched.start()
logging.basicConfig()
scheduler_main("")
while True:
sleep( 1 )
sys.stdout.write( '.' )
sys.stdout.flush()
def GeventScheduler_test():
sched = GeventScheduler()
sched.add_job(tick, 'interval', seconds=3)
g = sched.start()
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def startScheduledExecution(interval):
scheduler = GeventScheduler()
fetchAndSaveData()
scheduler.add_job(fetchAndSaveData, 'interval', minutes=interval)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def scheduler_loop(arg):
global sched
ready_for_scheduler.wait()
print("STARTING SCHEDULER.")
sched = Scheduler()
sched.start()
logging.basicConfig()
scheduler_main("")
ready_for_queue.set()
while True:
sys.stdout.write( '.' )
sys.stdout.flush()
gevent.sleep(1)
class ScheduledEventProducer(EventProducer):
'''
Desciption:
Continuously generates an event based on a defined interval, or if an event is consumed
Parameters:
producers (Optional[int]):
| The number of greenthreads to spawn that each spawn events at the provided interval
| Default: 1
interval (Optional[float] OR dict):
| The interval (in seconds) between each generated event.
| Should have a value > 0.
| Can also be a dict, supporting values of weeks, days, hours, minutes, and seconds
| default: 5
delay (Optional[float]):
| The time (in seconds) to wait before initial event generation.
| Default: 0
interval_grace_time (Optional[int]):
| Sometimes the scheduler can fail to wakeup and execute a job right at the set interval. This is how much
| time (in seconds) the scheduler can miss the interval time by and the job will still be run.
| Default: None (will use apscheduler's default miss_grace_time of 1 second)
'''
'''
MIXIN Attributes:
DEFAULT_INTERVAL = {}
def _parse_interval(self, interval):
def _initialize_jobs(self):
'''
def __init__(self, name, *args, **kwargs):
super(ScheduledEventProducer, self).__init__(name, *args, **kwargs)
self._init_scheduler(*args, **kwargs)
def _init_scheduler(self, producers=1, interval=5, delay=0, scheduler=None, interval_grace_time=None, *args, **kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
self.interval_grace_time = interval_grace_time
if not self.scheduler:
self.scheduler = GeventScheduler(misfire_grace_time=self.interval_grace_time)
def pre_hook(self):
#super(ScheduledEventProducer, self).pre_hook()
self._initialize_jobs()
gevent.sleep(self.delay)
self.scheduler.start()
def post_hook(self):
#super(ScheduledEventProducer, self).post_hook()
self.scheduler.shutdown()
def __init__(self,
name,
producers=1,
interval=5,
delay=0,
scheduler=None,
*args,
**kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler()
class MockedSchedulingActor(PrepClazz):
def __init__(self, name, producers=1, interval=5, delay=0, scheduler=None, *args, **kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler()
def _do_produce(self):
self.mock_do_produce()
def pre_hook(self):
self.scheduler.start()
def watch():
scheduler = GeventScheduler()
for web in watchweb.get_watch_webs():
s = int(web[watchweb.INTERVAL_SECONDS])
scheduler.add_job(check_web, "interval", seconds=s, kwargs=web)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print ("Press Ctrl+{0} to exit".format("Break" if os.name == "nt" else "C"))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def _init_scheduler(self,
producers=1,
interval=5,
delay=0,
scheduler=None,
interval_grace_time=None,
*args,
**kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler(
job_defaults={'misfire_grace_time': interval_grace_time})
class Schedule:
def __init__(self, irc_c, config):
self.config = config
self.scheduler = GeventScheduler()
self._scheduler_greenlet = self.scheduler.start()
log_propagation_message = partial(
irc_c.PRIVMSG,
CONFIG.external['propagation']['logging']['channel'],
)
# Scheduled full wiki update
self.scheduler.add_job(
Propagate.get_wiki_data,
'cron',
kwargs={'reply': log_propagation_message},
**self.cron_to_kwargs(
CONFIG.external['propagation']['all_articles']['often']),
)
# Scheduled recent pages update
self.scheduler.add_job(
Propagate.get_wiki_data,
'cron',
kwargs={
'reply': log_propagation_message,
'seconds': 259200
},
**self.cron_to_kwargs(
CONFIG.external['propagation']['new_articles']['often']),
)
@staticmethod
def cron_to_kwargs(cronstring):
"""Converts a cron string to cron kwargs"""
crons = cronstring.split(" ")
if len(crons) != 5:
raise ValueError("Invalid cron {}".format(cronstring))
crons = [cron.replace("_", " ") for cron in crons]
kwargs = {
'minute': crons[0],
'hour': crons[1],
'day': crons[2],
'month': crons[3],
'day_of_week': crons[4],
}
return kwargs
def setup_tasks(self):
"""
Setup all tasks that run periodically.
"""
self.scheduler = GeventScheduler()
# Add an initial job
def _job():
job.remove()
self.synchronize(synchronization="startup")
job = self.scheduler.add_job(
_job, max_instances=1, trigger="interval", seconds=1)
# Scheduler task to clean and expire the cache.
cache_interval = self.config['Provider']['item cache prune interval']
self.scheduler.add_job(
self.cache_manager.expire,
max_instances=1, trigger="interval", minutes=cache_interval)
self.scheduler.add_job(
self.cache_manager.clean,
max_instances=1, trigger="interval", minutes=cache_interval)
# Schedule tasks to synchronize each connection.
for connection in self.connections.itervalues():
self.scheduler.add_job(
self.synchronize, args=([connection, "interval"]),
max_instances=1, trigger="interval",
minutes=connection.synchronization_interval)
def gevent_schedule():
from apscheduler.schedulers.gevent import GeventScheduler
def tick():
print('Tick! The time is: %s' % datetime.now())
scheduler = GeventScheduler()
scheduler.add_job(tick, 'interval', seconds=3)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def gevent_schedule():
from apscheduler.schedulers.gevent import GeventScheduler
def tick():
print('Tick! The time is: %s' % datetime.now())
scheduler = GeventScheduler()
scheduler.add_job(tick, 'interval', seconds=3)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def _init_scheduler(self, producers=1, interval=5, delay=0, scheduler=None, *args, **kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler()
def watch():
scheduler = GeventScheduler()
for web in watchweb.get_watch_webs():
s = int(web[watchweb.INTERVAL_SECONDS])
scheduler.add_job(check_web, 'interval', seconds=s,kwargs=web)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def __init__(self):
print "init Task Manager"
self.logger = logging.getLogger('dls')
executors = {
'default': ThreadPoolExecutor(config.EXECUTOR_THREADS_NUMBER),
'monitor': GeventExecutor(),
}
self.scheduler = GeventScheduler(executors=executors)
self.scheduler.start()
# Map of tasks for tracking them on UI
self.tasks = {}
self.scheduler.add_job(self.report_progress,
'interval',
seconds=config.JOB_MONITOR_INTERVAL,
executor='monitor')
class ScheduledEventProducer(EventProducer):
'''
Desciption:
Continuously generates an event based on a defined interval, or if an event is consumed
Parameters:
producers (Optional[int]):
| The number of greenthreads to spawn that each spawn events at the provided interval
| Default: 1
interval (Optional[float] OR dict):
| The interval (in seconds) between each generated event.
| Should have a value > 0.
| Can also be a dict, supporting values of weeks, days, hours, minutes, and seconds
| default: 5
delay (Optional[float]):
| The time (in seconds) to wait before initial event generation.
| Default: 0
'''
'''
MIXIN Attributes:
DEFAULT_INTERVAL = {}
def _parse_interval(self, interval):
def _initialize_jobs(self):
'''
def __init__(self, name, *args, **kwargs):
super(ScheduledEventProducer, self).__init__(name, *args, **kwargs)
self._init_scheduler(*args, **kwargs)
def _init_scheduler(self, producers=1, interval=5, delay=0, scheduler=None, *args, **kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler()
def pre_hook(self):
#super(ScheduledEventProducer, self).pre_hook()
self._initialize_jobs()
gevent.sleep(self.delay)
self.scheduler.start()
def post_hook(self):
#super(ScheduledEventProducer, self).post_hook()
self.scheduler.shutdown()
def run(self):
"""Start apscheduler tasks"""
jobstores = {'mongo': MongoDBJobStore()}
executors = {
'default': ThreadPoolExecutor(self.poolsize),
'processpool': ProcessPoolExecutor(self.procsize)
}
job_defaults = {'coalesce': False, 'max_instances': 3}
scheduler = GeventScheduler()
scheduler.configure(jobstores=jobstores,
executors=executors,
job_defaults=job_defaults,
timezone=utc)
scheduler.add_job(self.job_worker, 'interval', seconds=0.001)
green_let = scheduler.start()
print('Ctrl+{0} to exit.'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here util Ctrl+C (Ctrl+Break on Windows).
try:
green_let.join()
except (KeyboardInterrupt, SystemExit):
pass
def __init__(self, scheduler=None):
if scheduler is None:
try:
from apscheduler.schedulers.gevent import GeventScheduler
self._scheduler = GeventScheduler()
except ImportError:
self._scheduler = BackgroundScheduler()
else:
self._scheduler = scheduler
def __init__(self):
self.scheduler = GeventScheduler()
self.scheduler.add_listener(self.__scheduler_listener(),
EVENT_SCHEDULER_START | EVENT_SCHEDULER_SHUTDOWN
| EVENT_SCHEDULER_PAUSED | EVENT_SCHEDULER_RESUMED
| EVENT_JOB_ADDED | EVENT_JOB_REMOVED
| EVENT_JOB_EXECUTED | EVENT_JOB_ERROR)
self.id = 'controller'
self.app = None
def nsGevent(ns, *args, **kw):
ns.V("/sys/scheduler", GeventScheduler())
s = nsGet(ns, "/sys/scheduler").value
nsSchedulerIntervalJob(ns, 60, "/dev/time", nsGeventTick)
g = s.start()
nsProcAlloc(ns, "scheduler", g, scheduler=s)
glist = nsGet(ns, "/sys/greenlets").value
glist.append(g)
return True
def production(*_, **settings):
"""Hooks exceptions and returns the Flask app."""
hook_exceptions()
app.shiptoasts = ShipToasts()
app.shiptoasts.initial_fill()
scheduler = GeventScheduler()
scheduler.add_job(app.shiptoasts.periodic_call, "interval", seconds=30)
cleaner = scheduler.start()
listener = gevent.Greenlet.spawn(app.shiptoasts.listen_for_updates)
atexit.register(cleaner.join, timeout=2)
atexit.register(listener.join, timeout=2)
atexit.register(scheduler.shutdown)
return app
def __init__(self,
name,
event_class=Event,
event_kwargs=None,
producers=1,
interval=5,
delay=0,
generate_error=False,
*args,
**kwargs):
super(EventGenerator, self).__init__(name, *args, **kwargs)
self.blockdiag_config["shape"] = "flowchart.input"
self.generate_error = generate_error
self.interval = self._parse_interval(interval)
self.delay = delay
self.event_kwargs = event_kwargs or {}
self.output = event_class
self.producers = producers
self.scheduler = GeventScheduler()
def __init__(self, name, event_class=Event, event_kwargs=None, producers=1, interval=5, delay=0, generate_error=False, *args, **kwargs):
super(EventGenerator, self).__init__(name, *args, **kwargs)
self.blockdiag_config["shape"] = "flowchart.input"
self.generate_error = generate_error
self.interval = self._parse_interval(interval)
self.delay = delay
self.event_kwargs = event_kwargs or {}
self.output = event_class
self.producers = producers
self.scheduler = GeventScheduler()
def __init__(self, is_auto_connect=True, heart_beat_limit_ms=HEART_BEAT_MS, reconnect_after_ms=RECONNECT_MS, restart_ms=RESTART_MS):
threading.Thread.__init__(self)
self.is_auto_connect = is_auto_connect
self.heart_beat_limit_ms = heart_beat_limit_ms
self.reconnect_after_ms = reconnect_after_ms if reconnect_after_ms > heart_beat_limit_ms else heart_beat_limit_ms
self.restart_ms = restart_ms
self.logger = logger
self.scheduler = Scheduler()
self.scheduler.add_job(check_reconnect, "interval", max_instances=1, seconds=1, args=[self])
self.start()
def __init__(self, name="defaultController"):
self.name = name
self.workflows = {}
self.load_all_workflows_from_directory()
self.instances = {}
self.tree = None
self.eventlog = []
self.schedulerStatusListener = SchedulerStatusListener(self.eventlog)
self.jobStatusListener = JobStatusListener(self.eventlog)
self.jobExecutionListener = JobExecutionListener(self.eventlog)
self.scheduler = GeventScheduler()
self.scheduler.add_listener(
self.schedulerStatusListener.callback(self),
EVENT_SCHEDULER_START | EVENT_SCHEDULER_SHUTDOWN
| EVENT_SCHEDULER_PAUSED | EVENT_SCHEDULER_RESUMED)
self.scheduler.add_listener(self.jobStatusListener.callback(self),
EVENT_JOB_ADDED | EVENT_JOB_REMOVED)
self.scheduler.add_listener(self.jobExecutionListener.callback(self),
EVENT_JOB_EXECUTED | EVENT_JOB_ERROR)
self.ancestry = [self.name]
class MockedSchedulingActor(PrepClazz):
def __init__(self,
name,
producers=1,
interval=5,
delay=0,
scheduler=None,
*args,
**kwargs):
self.interval = self._parse_interval(interval)
self.delay = delay
self.producers = producers
self.scheduler = scheduler
if not self.scheduler:
self.scheduler = GeventScheduler()
def _do_produce(self):
self.mock_do_produce()
def pre_hook(self):
self.scheduler.start()
def setup_schedule_config(self, endpoint_explorer, node_address):
scheduler = GeventScheduler()
scheduler.add_job(
lambda: notice_explorer_to_be_alive(endpoint_explorer, node_address),
'interval',
minutes=30)
scheduler.start()
class Scheduler:
def __init__(self, app=None):
self._scheduler = GeventScheduler()
self.jobs_list = [monitor_ac_usage, monitor_temperatures]
if app:
self.init_app(app)
def init_app(self, app):
for job in self.jobs_list:
self.add_jobs(app, job)
def add_jobs(self, app, job):
def call_func(*args, **kwargs):
with app.app_context():
func(*args, **kwargs)
func = job
self._scheduler.add_job(call_func, 'interval', minutes=func.minutes, coalesce=True)
def start(self):
self._scheduler.start()
class TaskManager:
"""Simple wrapper for Advanced Python Scheduler"""
def __init__(self):
print "init Task Manager"
self.logger = logging.getLogger('dls')
executors = {
'default': ThreadPoolExecutor(config.EXECUTOR_THREADS_NUMBER),
'monitor': GeventExecutor(),
}
self.scheduler = GeventScheduler(executors=executors)
self.scheduler.start()
# Map of tasks for tracking them on UI
self.tasks = {}
self.scheduler.add_job(self.report_progress,
'interval',
seconds=config.JOB_MONITOR_INTERVAL,
executor='monitor')
# Starts new task
def start_task(self, task):
self.scheduler.add_job(func=task.execute,
misfire_grace_time=config.MISFIRE_GRACE_TIME)
self.tasks[task.id] = task
# Kills task by it's ID
def term_task(self, index):
task = self.tasks[index]
task.kill()
def shutdown(self):
self.scheduler.shutdown()
def report_progress(self):
"""Gathers information from task and sends to clients"""
# self.logger.info("sending tasks progress")
task_data = []
for t in self.tasks.values():
task_data.append(t.status())
# from pprint import pprint
# pprint (task_data)
socketio.emit('task_monitor', json.dumps(task_data))
return task_data
def task_info(self, id):
t = self.tasks[int(id)]
return t.detailed_status()
def setup_schedule_config(self, endpoint_explorer, discoverable, node_address,
raiden_instance):
scheduler = GeventScheduler()
scheduler.add_job(lambda: notice_explorer_to_be_alive(
endpoint_explorer, discoverable, node_address, raiden_instance),
'interval',
minutes=30)
scheduler.start()
def __init__(self, name):
super().__init__(name)
self._commands = {} # cmd_id : command
# self._jobstores = {'default': SQLAlchemyJobStore(url=constants.scheduler_database_url,
# tablename="jobs")}
self._jobstores = {}
self._executors = {}
self._job_defaults = {
'max_instances': 10,
'coalesce': True,
}
self._triggers = {} # cmd_id : trigger
self._scheduler = GeventScheduler(
jobstores=self._jobstores,
executors=self._executors,
job_defaults=self._job_defaults,
timezone=pytz.utc, # TODO: make user configurable
)
self._schedulers.add(self)
s_cmds = constants.internaldb.scheduler_commands.get({})
v = s_cmds.setdefault(self.identifier(), {})
if not v:
constants.internaldb.scheduler_commands.set(s_cmds)
def setup_tasks(self):
"""
Setup all tasks that run periodically.
"""
self.scheduler = GeventScheduler()
# Add an initial job
def _job():
job.remove()
self.synchronize(synchronization="startup")
job = self.scheduler.add_job(_job,
max_instances=1,
trigger="interval",
seconds=1)
# Scheduler task to clean and expire the cache.
cache_interval = self.config['Provider']['item cache prune interval']
self.scheduler.add_job(self.cache_manager.expire,
max_instances=1,
trigger="interval",
minutes=cache_interval)
self.scheduler.add_job(self.cache_manager.clean,
max_instances=1,
trigger="interval",
minutes=cache_interval)
# Schedule tasks to synchronize each connection.
for connection in self.connections.itervalues():
self.scheduler.add_job(self.synchronize,
args=([connection, "interval"]),
max_instances=1,
trigger="interval",
minutes=connection.synchronization_interval)
def __init__(self, scheduler):
'''
https://apscheduler.readthedocs.io/en/latest/userguide.html?highlight=add_job
Parameters
----------
scheduler:
[str] 调度器，根据开发需求选择相应的调度器
'BlockingScheduler' 阻塞式调度器：
适用于只跑调度器的程序
'BackgroundScheduler' 后台调度器：
适用于非阻塞的情况，调度器会在后台独立运行
'AsyncIOScheduler' AsyncIO调度器：
适用于应用使用AsnycIO的情况
'GeventScheduler' Gevent调度器：
适用于应用通过Gevent的情况
'TornadoScheduler' Tornado调度器：
适用于构建Tornado应用
'TwistedScheduler' Twisted调度器：
适用于构建Twisted应用
'QtScheduler' Qt调度器：
适用于构建Qt应用
'''
import logging
logging.basicConfig()
scheduler = str(scheduler).lower()
if ('blocking' in scheduler):
from apscheduler.schedulers.blocking import BlockingScheduler
self.scheduler = BlockingScheduler()
elif ('background' in scheduler):
from apscheduler.schedulers.background import BackgroundScheduler
self.scheduler = BackgroundScheduler()
elif ('asyncio' in scheduler):
from apscheduler.schedulers.asyncio import AsyncIOScheduler
self.scheduler = AsyncIOScheduler()
elif ('gevent' in scheduler):
from apscheduler.schedulers.gevent import GeventScheduler
self.scheduler = GeventScheduler()
elif ('tornado' in scheduler):
from apscheduler.schedulers.tornado import TornadoScheduler
self.scheduler = TornadoScheduler()
elif ('twisted' in scheduler):
from apscheduler.schedulers.twisted import TwistedScheduler
self.scheduler = TwistedScheduler()
elif ('qt' in scheduler):
from apscheduler.schedulers.qt import QtScheduler
self.scheduler = QtScheduler()
def main():
scheduler = GeventScheduler()
url = os.environ.get('SQLALCHEMY_DATABASE_URI', 'sqlite:///database.db')
scheduler.add_jobstore('sqlalchemy', url=url)
scheduler.add_job(tick, 'interval', seconds=3, id='example_job', replace_existing=True)
# g is the greenlet that runs the scheduler loop.
g = scheduler.start()
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
class Scheduler(object):
def __init__(self):
self.scheduler = GeventScheduler()
self.scheduler.add_listener(self.__scheduler_listener(),
EVENT_SCHEDULER_START | EVENT_SCHEDULER_SHUTDOWN
| EVENT_SCHEDULER_PAUSED | EVENT_SCHEDULER_RESUMED
| EVENT_JOB_ADDED | EVENT_JOB_REMOVED
| EVENT_JOB_EXECUTED | EVENT_JOB_ERROR)
self.id = 'controller'
self.app = None
def schedule_workflows(self, task_id, executable, workflow_ids, trigger):
"""
Schedules a workflow for execution
Args:
task_id (int): Id of the scheduled task
executable (func): A callable to execute must take in one argument -- a workflow id
workflow_ids (iterable(str)): An iterable of workflow ids
trigger (Trigger): The trigger to use for this scheduled task
"""
def execute(id_):
with self.app.app_context():
executable(id_)
for workflow_id in workflow_ids:
self.scheduler.add_job(execute, args=(workflow_id,),
id=construct_task_id(task_id, workflow_id),
trigger=trigger, replace_existing=True)
def get_all_scheduled_workflows(self):
"""
Gets all the scheduled workflows
Returns:
(dict{str: list[str]}) A dict of task_id to workflow execution ids
"""
tasks = {}
for job in self.scheduler.get_jobs():
task, workflow_execution_id = split_task_id(job.id)
if task not in tasks:
tasks[task] = [workflow_execution_id]
else:
tasks[task].append(workflow_execution_id)
return tasks
def get_scheduled_workflows(self, task_id):
"""
Gets all the scheduled worfklows for a given task id
Args:
task_id (str): The task id
Returns:
(list[str]) A list fo workflow execution id associated with this task id
"""
tasks = []
for job in self.scheduler.get_jobs():
task, workflow_execution_id = split_task_id(job.id)
if task == task_id:
tasks.append(workflow_execution_id)
return tasks
def update_workflows(self, task_id, trigger):
"""
Updates the workflows for a given task id to use a different trigger
Args:
task_id (str|int): The task id to update
trigger (Trigger): The new trigger to use
"""
existing_tasks = {construct_task_id(task_id, workflow_execution_id) for workflow_execution_id in
self.get_scheduled_workflows(task_id)}
for job_id in existing_tasks:
self.scheduler.reschedule_job(job_id=job_id, trigger=trigger)
def unschedule_workflows(self, task_id, workflow_execution_ids):
"""
Unschedules a workflow
Args:
task_id (str|int): The task ID to unschedule
workflow_execution_ids (list[str]): The list of workflow execution IDs to update
"""
for workflow_execution_id in workflow_execution_ids:
try:
self.scheduler.remove_job(construct_task_id(task_id, workflow_execution_id))
except JobLookupError:
logger.warning('Cannot delete task {}. '
'No task found in scheduler'.format(construct_task_id(task_id, workflow_execution_id)))
def start(self):
"""Starts the scheduler for active execution. This function must be called before any workflows are executed.
Returns:
The state of the scheduler if successful, error message if scheduler is in "stopped" state.
"""
if self.scheduler.state == STATE_STOPPED:
logger.info('Starting scheduler')
self.scheduler.start()
else:
logger.warning('Cannot start scheduler. Scheduler is already running or is paused')
return "Scheduler already running."
return self.scheduler.state
def stop(self, wait=True):
"""Stops active execution.
Args:
wait (bool, optional): Boolean to synchronously or asynchronously wait for the scheduler to shutdown.
Default is True.
Returns:
The state of the scheduler if successful, error message if scheduler is already in "stopped" state.
"""
if self.scheduler.state != STATE_STOPPED:
logger.info('Stopping scheduler')
self.scheduler.shutdown(wait=wait)
else:
logger.warning('Cannot stop scheduler. Scheduler is already stopped')
return "Scheduler already stopped."
return self.scheduler.state
def pause(self):
"""Pauses active execution.
Returns:
The state of the scheduler if successful, error message if scheduler is not in the "running" state.
"""
if self.scheduler.state == STATE_RUNNING:
logger.info('Pausing scheduler')
self.scheduler.pause()
elif self.scheduler.state == STATE_PAUSED:
logger.warning('Cannot pause scheduler. Scheduler is already paused')
return "Scheduler already paused."
elif self.scheduler.state == STATE_STOPPED:
logger.warning('Cannot pause scheduler. Scheduler is stopped')
return "Scheduler is in STOPPED state and cannot be paused."
return self.scheduler.state
def resume(self):
"""Resumes active execution.
Returns:
The state of the scheduler if successful, error message if scheduler is not in the "paused" state.
"""
if self.scheduler.state == STATE_PAUSED:
logger.info('Resuming scheduler')
self.scheduler.resume()
else:
logger.warning("Scheduler is not in PAUSED state and cannot be resumed.")
return "Scheduler is not in PAUSED state and cannot be resumed."
return self.scheduler.state
def pause_workflows(self, task_id, workflow_execution_ids):
"""
Pauses some workflows associated with a task
Args:
task_id (int|str): The id of the task to pause
workflow_execution_ids (list[str]): The list of workflow execution IDs to pause
"""
for workflow_execution_id in workflow_execution_ids:
job_id = construct_task_id(task_id, workflow_execution_id)
try:
self.scheduler.pause_job(job_id=job_id)
logger.info('Paused job {0}'.format(job_id))
except JobLookupError:
logger.warning('Cannot pause scheduled workflow {}. Workflow ID not found'.format(job_id))
def resume_workflows(self, task_id, workflow_execution_ids):
"""
Resumes some workflows associated with a task
Args:
task_id (int|str): The id of the task to pause
workflow_execution_ids (list[str]): The list of workflow execution IDs to resume
"""
for workflow_execution_id in workflow_execution_ids:
job_id = construct_task_id(task_id, workflow_execution_id)
try:
self.scheduler.resume_job(job_id=job_id)
logger.info('Resumed job {0}'.format(job_id))
except JobLookupError:
logger.warning('Cannot resume scheduled workflow {}. Workflow ID not found'.format(job_id))
def __scheduler_listener(self):
event_selector_map = {EVENT_SCHEDULER_START: WalkoffEvent.SchedulerStart,
EVENT_SCHEDULER_SHUTDOWN: WalkoffEvent.SchedulerShutdown,
EVENT_SCHEDULER_PAUSED: WalkoffEvent.SchedulerPaused,
EVENT_SCHEDULER_RESUMED: WalkoffEvent.SchedulerResumed,
EVENT_JOB_ADDED: WalkoffEvent.SchedulerJobAdded,
EVENT_JOB_REMOVED: WalkoffEvent.SchedulerJobRemoved,
EVENT_JOB_EXECUTED: WalkoffEvent.SchedulerJobExecuted,
EVENT_JOB_ERROR: WalkoffEvent.SchedulerJobError}
def event_selector(event):
try:
event = event_selector_map[event.code]
event.send(self)
except KeyError: # pragma: no cover
logger.error('Unknown event sent triggered in scheduler {}'.format(event))
return event_selector
class EventGenerator(Actor):
'''**Generates a test event at the chosen interval.**
Parameters:
name (str):
| The instance name
event_class (Optional[compysition.event.Event]):
| The class that the generated event should be created as
| Default: Event
event_kwargs (Optional[int]):
| Any additional kwargs to add to the event, including data
producers (Optional[int]):
| The number of greenthreads to spawn that each spawn events at the provided interval
| Default: 1
interval (Optional[float] OR dict):
| The interval (in seconds) between each generated event.
| Should have a value > 0.
| Can also be a dict, supporting values of weeks, days, hours, minutes, and seconds
| default: 5
delay (Optional[float]):
| The time (in seconds) to wait before initial event generation.
| Default: 0
generate_error (Optional[bool]):
| Whether or not to also send the event via Actor.send_error
| Default: False
'''
DEFAULT_INTERVAL = {'weeks': 0,
'days': 0,
'hours': 0,
'minutes': 0,
'seconds': 5}
def __init__(self, name, event_class=Event, event_kwargs=None, producers=1, interval=5, delay=0, generate_error=False, *args, **kwargs):
super(EventGenerator, self).__init__(name, *args, **kwargs)
self.blockdiag_config["shape"] = "flowchart.input"
self.generate_error = generate_error
self.interval = self._parse_interval(interval)
self.delay = delay
self.event_kwargs = event_kwargs or {}
self.output = event_class
self.producers = producers
self.scheduler = GeventScheduler()
def _parse_interval(self, interval):
_interval = self.DEFAULT_INTERVAL
if isinstance(interval, int):
_interval['seconds'] = interval
elif isinstance(interval, dict):
_interval.update(interval)
return _interval
def _initialize_jobs(self):
for i in xrange(self.producers):
self.scheduler.add_job(self._do_produce, 'interval', **self.interval)
def pre_hook(self):
self._initialize_jobs()
gevent.sleep(self.delay)
self.scheduler.start()
def post_hook(self):
self.scheduler.shutdown()
def _do_produce(self):
event = self.output[0](**self.event_kwargs)
self.logger.debug("Generated new event {event_id}".format(event_id=event.event_id))
self.send_event(event)
if self.generate_error:
event = self.output(**self.event_kwargs)
self.send_error(event)
def consume(self, event, *args, **kwargs):
self._do_produce()
if int(app.conf.automation_status) == 1 or forced is True:
if forced is False:
global l_t_check
l_t_check = app.datetime.now().strftime("%d/%m/%Y, %H:%M:%S")
logging.info("Checking for releases in torrents")
todays_date = app.datetime.now()
schd_albums = app.QueueAlbum.query.all()
for query in schd_albums:
date = app.datetime.strptime(query.date, "%d %B %Y")
if date <= todays_date:
if int(query.status) == 0:
app.download(query.album_name)
data = ({"album": "C_T", "date": "C_T"})
app.pushtoListener(data)
def reschedule():
sched.reschedule_job(job_id="auto_A", trigger='interval', minutes=int(app.conf.automation_interval) * 60)
sched.reschedule_job(job_id="auto_T", trigger='interval', minutes=int(app.conf.automation_interval) * 60)
# ugly
l_t_check = "Never"
l_a_check = "Never"
sched = GeventScheduler()
sched.add_job(look_for_artist, 'interval', id="auto_A", minutes=int(app.conf.automation_interval) * 60)
sched.add_job(look_for_torrents, 'interval', id="auto_T", minutes=int(app.conf.automation_interval) * 60)
sched.add_job(generateSuggestions, 'interval', id="auto_S", seconds=6200)
sched.start()
"""
Demonstrates how to use the gevent compatible scheduler to schedule a job that executes on 3 second intervals.
"""
from datetime import datetime
import os
from apscheduler.schedulers.gevent import GeventScheduler
def tick():
print('Tick! The time is: %s' % datetime.now())
if __name__ == '__main__':
scheduler = GeventScheduler()
scheduler.add_job(tick, 'interval', seconds=3)
g = scheduler.start() # g is the greenlet that runs the scheduler loop
print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))
# Execution will block here until Ctrl+C (Ctrl+Break on Windows) is pressed.
try:
g.join()
except (KeyboardInterrupt, SystemExit):
pass
def __init__(self, app=None):
self._scheduler = GeventScheduler()
self.jobs_list = [monitor_ac_usage, monitor_temperatures]
if app:
self.init_app(app)
def main(global_config, **settings):
""" This function returns a Pyramid WSGI application.
"""
config = Configurator(settings=settings)
if JournalHandler:
config.add_subscriber(set_journal_handler, ContextFound)
config.add_subscriber(clear_journal_handler, BeforeRender)
config.include('pyramid_exclog')
config.add_route('home', '/')
config.add_route('resync_all', '/resync_all')
config.add_route('resync', '/resync/{tender_id}')
config.add_route('calendar', '/calendar')
config.add_route('calendar_entry', '/calendar/{date}')
config.add_route('streams', '/streams')
config.scan(ignore='openprocurement.chronograph.tests')
config.add_subscriber(start_scheduler, ApplicationCreated)
config.registry.api_token = os.environ.get('API_TOKEN', settings.get('api.token'))
db_name = os.environ.get('DB_NAME', settings['couchdb.db_name'])
server = Server(settings.get('couchdb.url'), session=Session(retry_delays=range(60)))
if 'couchdb.admin_url' not in settings and server.resource.credentials:
try:
server.version()
except Unauthorized:
server = Server(extract_credentials(settings.get('couchdb.url'))[0])
config.registry.couchdb_server = server
if 'couchdb.admin_url' in settings and server.resource.credentials:
aserver = Server(settings.get('couchdb.admin_url'), session=Session(retry_delays=range(10)))
users_db = aserver['_users']
if SECURITY != users_db.security:
INIT_LOGGER.info("Updating users db security", extra={'MESSAGE_ID': 'update_users_security'})
users_db.security = SECURITY
username, password = server.resource.credentials
user_doc = users_db.get('org.couchdb.user:{}'.format(username), {'_id': 'org.couchdb.user:{}'.format(username)})
if not user_doc.get('derived_key', '') or PBKDF2(password, user_doc.get('salt', ''), user_doc.get('iterations', 10)).hexread(int(len(user_doc.get('derived_key', '')) / 2)) != user_doc.get('derived_key', ''):
user_doc.update({
"name": username,
"roles": [],
"type": "user",
"password": password
})
INIT_LOGGER.info("Updating chronograph db main user", extra={'MESSAGE_ID': 'update_chronograph_main_user'})
users_db.save(user_doc)
security_users = [username, ]
if db_name not in aserver:
aserver.create(db_name)
db = aserver[db_name]
SECURITY[u'members'][u'names'] = security_users
if SECURITY != db.security:
INIT_LOGGER.info("Updating chronograph db security", extra={'MESSAGE_ID': 'update_chronograph_security'})
db.security = SECURITY
auth_doc = db.get(VALIDATE_DOC_ID, {'_id': VALIDATE_DOC_ID})
if auth_doc.get('validate_doc_update') != VALIDATE_DOC_UPDATE % username:
auth_doc['validate_doc_update'] = VALIDATE_DOC_UPDATE % username
INIT_LOGGER.info("Updating chronograph db validate doc", extra={'MESSAGE_ID': 'update_chronograph_validate_doc'})
db.save(auth_doc)
else:
if db_name not in server:
server.create(db_name)
config.registry.db = server[db_name]
jobstores = {
#'default': CouchDBJobStore(database=db_name, client=server)
}
#executors = {
#'default': ThreadPoolExecutor(5),
#'processpool': ProcessPoolExecutor(5)
#}
job_defaults = {
'coalesce': False,
'max_instances': 5
}
config.registry.api_url = settings.get('api.url')
config.registry.callback_url = settings.get('callback.url')
scheduler = Scheduler(jobstores=jobstores,
#executors=executors,
job_defaults=job_defaults,
timezone=TZ)
if 'jobstore_db' in settings:
scheduler.add_jobstore('sqlalchemy', url=settings['jobstore_db'])
config.registry.scheduler = scheduler
# scheduler.remove_all_jobs()
# scheduler.start()
resync_all_job = scheduler.get_job('resync_all')
now = datetime.now(TZ)
if not resync_all_job or resync_all_job.next_run_time < now - timedelta(hours=1):
if resync_all_job:
args = resync_all_job.args
else:
args = [settings.get('callback.url') + 'resync_all', None]
run_date = now + timedelta(seconds=60)
scheduler.add_job(push, 'date', run_date=run_date, timezone=TZ,
id='resync_all', args=args,
replace_existing=True, misfire_grace_time=60 * 60)
return config.make_wsgi_app()
BIDS_KEYS_FOR_COPY = (
"bidder_id",
"amount",
"time"
)
SYSTEMD_DIRECORY = '.config/systemd/user/'
SYSTEMD_RELATIVE_PATH = SYSTEMD_DIRECORY + 'auction_{0}.{1}'
TIMER_STAMP = re.compile(
r"OnCalendar=(?P<year>[0-9][0-9][0-9][0-9])"
r"-(?P<mon>[0-9][0-9])-(?P<day>[0123][0-9]) "
r"(?P<hour>[0-2][0-9]):(?P<min>[0-5][0-9]):(?P<sec>[0-5][0-9])"
)
logger = logging.getLogger('Auction Worker')
SCHEDULER = GeventScheduler(job_defaults={"misfire_grace_time": 100},
executors={'default': AuctionsExecutor()},
logger=logger)
SCHEDULER.timezone = timezone('Europe/Kiev')
class Auction(object):
"""docstring for Auction"""
def __init__(self, auction_doc_id,
worker_defaults={},
auction_data={}):
super(Auction, self).__init__()
self.auction_doc_id = auction_doc_id
self.tender_url = urljoin(
worker_defaults["TENDERS_API_URL"],
'/api/{0}/tenders/{1}'.format(
worker_defaults["TENDERS_API_VERSION"], auction_doc_id
class Application(object):
def __init__(self, config_file, data_dir, verbose=0):
"""
Construct a new application instance.
"""
self.config_file = config_file
self.data_dir = data_dir
self.verbose = verbose
self.server = None
self.provider = None
self.connections = {}
# Setup all parts of the application
self.setup_config()
self.setup_open_files()
self.setup_database()
self.setup_state()
self.setup_connections()
self.setup_cache()
self.setup_provider()
self.setup_server()
self.setup_tasks()
def setup_config(self):
"""
Load the application config from file.
"""
logger.debug("Loading config from %s", self.config_file)
self.config = config.get_config(self.config_file)
def setup_open_files(self):
"""
Get and set open files limit.
"""
open_files_limit = resource.getrlimit(resource.RLIMIT_NOFILE)[0]
new_open_files_limit = self.config["Advanced"]["open files limit"]
logger.info(
"System reports open files limit is %d.", open_files_limit)
if new_open_files_limit != -1:
logger.info(
"Changing open files limit to %d.", new_open_files_limit)
try:
resource.setrlimit(resource.RLIMIT_NOFILE, (
new_open_files_limit, resource.RLIM_INFINITY))
except resource.error as e:
logger.warning(
"Failed to increase the number of open files: %s", e)
def setup_database(self):
"""
Initialize database.
"""
self.db = Database(self.config["Provider"]["database"])
self.db.create_database(drop_all=False)
def setup_state(self):
"""
Setup state.
"""
self.state = State(os.path.join(
self.get_cache_dir(), "provider.state"))
def setup_cache(self):
"""
Setup the caches for items and artwork.
"""
# Initialize caches for items and artwork.
item_cache = cache.ItemCache(
path=self.get_cache_dir(
self.config["Provider"]["item cache dir"]),
max_size=self.config["Provider"]["item cache size"],
prune_threshold=self.config[
"Provider"]["item cache prune threshold"])
artwork_cache = cache.ArtworkCache(
path=self.get_cache_dir(self.config[
"Provider"]["artwork cache dir"]),
max_size=self.config["Provider"]["artwork cache size"],
prune_threshold=self.config[
"Provider"]["artwork cache prune threshold"])
# Create a cache manager
self.cache_manager = cache.CacheManager(
db=self.db,
item_cache=item_cache,
artwork_cache=artwork_cache,
connections=self.connections)
def setup_connections(self):
"""
Initialize the connections.
"""
for name, section in self.config["Connections"].iteritems():
index = len(self.connections) + 1
self.connections[index] = Connection(
db=self.db,
state=self.state,
index=index,
name=name,
url=section["url"],
username=section["username"],
password=section["password"],
synchronization=section["synchronization"],
synchronization_interval=section["synchronization interval"],
transcode=section["transcode"],
transcode_unsupported=section["transcode unsupported"])
def setup_provider(self):
"""
Setup the provider.
"""
# Create provider.
logger.debug(
"Setting up provider for %d connection(s).", len(self.connections))
self.provider = Provider(
server_name=self.config["Provider"]["name"],
db=self.db,
state=self.state,
connections=self.connections,
cache_manager=self.cache_manager)
# Do an initial synchronization if required.
for connection in self.connections.itervalues():
connection.synchronizer.provider = self.provider
connection.synchronizer.synchronize(initial=True)
def setup_server(self):
"""
Create the DAAP server.
"""
logger.debug(
"Setting up DAAP server at %s:%d",
self.config["Daap"]["interface"], self.config["Daap"]["port"])
self.server = DaapServer(
provider=self.provider,
password=self.config["Daap"]["password"],
ip=self.config["Daap"]["interface"],
port=self.config["Daap"]["port"],
cache=self.config["Daap"]["cache"],
cache_timeout=self.config["Daap"]["cache timeout"] * 60,
bonjour=self.config["Daap"]["zeroconf"],
debug=self.verbose > 1)
# Extend server with a web interface
if self.config["Daap"]["web interface"]:
webserver.extend_server_app(self, self.server.app)
def setup_tasks(self):
"""
Setup all tasks that run periodically.
"""
self.scheduler = GeventScheduler()
# Add an initial job
def _job():
job.remove()
self.synchronize(synchronization="startup")
job = self.scheduler.add_job(
_job, max_instances=1, trigger="interval", seconds=1)
# Scheduler task to clean and expire the cache.
cache_interval = self.config['Provider']['item cache prune interval']
self.scheduler.add_job(
self.cache_manager.expire,
max_instances=1, trigger="interval", minutes=cache_interval)
self.scheduler.add_job(
self.cache_manager.clean,
max_instances=1, trigger="interval", minutes=cache_interval)
# Schedule tasks to synchronize each connection.
for connection in self.connections.itervalues():
self.scheduler.add_job(
self.synchronize, args=([connection, "interval"]),
max_instances=1, trigger="interval",
minutes=connection.synchronization_interval)
def synchronize(self, connections=None, synchronization="manual"):
"""
Synchronize selected connections (or all) given a synchronization
event.
"""
count = 0
connections = connections or self.connections.values()
logger.debug("Synchronization triggered via '%s'.", synchronization)
for connection in connections:
if synchronization == "interval":
if connection.synchronization == "interval":
connection.synchronizer.synchronize()
count += 1
elif synchronization == "startup":
if connection.synchronization == "startup":
if not connection.synchronizer.is_initial_synced:
connection.synchronizer.synchronize()
count += 1
elif synchronization == "manual":
connection.synchronizer.synchronize()
count += 1
logger.debug("Synchronized %d connections.", count)
# Update the cache.
self.cache_manager.cache()
def start(self):
"""
Start the server.
"""
logger.debug("Starting task scheduler.")
self.scheduler.start()
logger.debug("Starting DAAP server.")
self.server.serve_forever()
def stop(self):
"""
Stop the server.
"""
logger.debug("Stopping DAAP server.")
self.server.stop()
logger.debug("Stopping task scheduler.")
self.scheduler.shutdown()
def get_cache_dir(self, *path):
"""
Resolve the path to a cache directory. The path is relative to the data
directory. The directory will be created if it does not exists, and
will be tested for writing.
"""
full_path = os.path.abspath(os.path.normpath(
os.path.join(self.data_dir, *path)))
logger.debug("Resolved %s to %s", path, full_path)
# Create path if required.
try:
os.makedirs(full_path, 0755)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(full_path):
pass
else:
raise Exception("Could not create folder: %s" % full_path)
# Test for writing.
ok = True
test_file = os.path.join(full_path, ".write-test")
while os.path.exists(test_file):
test_file = test_file + str(random.randint(0, 9))
try:
with open(test_file, "w") as fp:
fp.write("test")
except IOError:
ok = False
finally:
try:
os.remove(test_file)
except OSError:
ok = False
if not ok:
raise Exception("Could not write to cache folder: %s" % full_path)
# Cache directory created and tested for writing.
return full_path
city = HomerHelper.getSettingValue('City')
state = HomerHelper.getSettingValue('State')
timezone = HomerHelper.calcTimeZone(street, city, state)
jobstores = {
'default': MemoryJobStore
}
executors = {
'default': ThreadPoolExecutor(40)
}
job_defaults = {
'misfire_grace_time': None,
'coalesce': True,
'max_instances': 3
}
scheduler = GeventScheduler(executors=executors, job_defaults=job_defaults, timezone=timezone)
scheduler.start()
def schedule(*args, **kwargs):
job = scheduler.add_job(*args, **kwargs)
return job
def KillJob(*args, **kwargs):
scheduler.remove_job(*args, **kwargs)
def KillScheduler():
scheduler.shutdown()
def GetJob(*args, **kwargs):
job = scheduler.get_job(*args, **kwargs)
return job
