This commit is contained in:
2024-10-16 19:37:45 -04:00
parent eaeb98999d
commit e539dc5bbb
2192 changed files with 252808 additions and 147 deletions

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class SchedulerAlreadyRunningError(Exception):
"""Raised when attempting to start or configure the scheduler when it's already running."""
def __str__(self):
return 'Scheduler is already running'
class SchedulerNotRunningError(Exception):
"""Raised when attempting to shutdown the scheduler when it's not running."""
def __str__(self):
return 'Scheduler is not running'

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from __future__ import absolute_import
import asyncio
from functools import wraps, partial
from apscheduler.schedulers.base import BaseScheduler
from apscheduler.util import maybe_ref
def run_in_event_loop(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
wrapped = partial(func, self, *args, **kwargs)
self._eventloop.call_soon_threadsafe(wrapped)
return wrapper
class AsyncIOScheduler(BaseScheduler):
"""
A scheduler that runs on an asyncio (:pep:`3156`) event loop.
The default executor can run jobs based on native coroutines (``async def``).
Extra options:
============== =============================================================
``event_loop`` AsyncIO event loop to use (defaults to the global event loop)
============== =============================================================
"""
_eventloop = None
_timeout = None
def start(self, paused=False):
if not self._eventloop:
self._eventloop = asyncio.get_event_loop()
super(AsyncIOScheduler, self).start(paused)
@run_in_event_loop
def shutdown(self, wait=True):
super(AsyncIOScheduler, self).shutdown(wait)
self._stop_timer()
def _configure(self, config):
self._eventloop = maybe_ref(config.pop('event_loop', None))
super(AsyncIOScheduler, self)._configure(config)
def _start_timer(self, wait_seconds):
self._stop_timer()
if wait_seconds is not None:
self._timeout = self._eventloop.call_later(wait_seconds, self.wakeup)
def _stop_timer(self):
if self._timeout:
self._timeout.cancel()
del self._timeout
@run_in_event_loop
def wakeup(self):
self._stop_timer()
wait_seconds = self._process_jobs()
self._start_timer(wait_seconds)
def _create_default_executor(self):
from apscheduler.executors.asyncio import AsyncIOExecutor
return AsyncIOExecutor()

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from __future__ import absolute_import
from threading import Thread, Event
from apscheduler.schedulers.base import BaseScheduler
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.util import asbool
class BackgroundScheduler(BlockingScheduler):
"""
A scheduler that runs in the background using a separate thread
(:meth:`~apscheduler.schedulers.base.BaseScheduler.start` will return immediately).
Extra options:
========== =============================================================================
``daemon`` Set the ``daemon`` option in the background thread (defaults to ``True``, see
`the documentation
<https://docs.python.org/3.4/library/threading.html#thread-objects>`_
for further details)
========== =============================================================================
"""
_thread = None
def _configure(self, config):
self._daemon = asbool(config.pop('daemon', True))
super(BackgroundScheduler, self)._configure(config)
def start(self, *args, **kwargs):
if self._event is None or self._event.is_set():
self._event = Event()
BaseScheduler.start(self, *args, **kwargs)
self._thread = Thread(target=self._main_loop, name='APScheduler')
self._thread.daemon = self._daemon
self._thread.start()
def shutdown(self, *args, **kwargs):
super(BackgroundScheduler, self).shutdown(*args, **kwargs)
self._thread.join()
del self._thread

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from __future__ import absolute_import
from threading import Event
from apscheduler.schedulers.base import BaseScheduler, STATE_STOPPED
from apscheduler.util import TIMEOUT_MAX
class BlockingScheduler(BaseScheduler):
"""
A scheduler that runs in the foreground
(:meth:`~apscheduler.schedulers.base.BaseScheduler.start` will block).
"""
_event = None
def start(self, *args, **kwargs):
if self._event is None or self._event.is_set():
self._event = Event()
super(BlockingScheduler, self).start(*args, **kwargs)
self._main_loop()
def shutdown(self, wait=True):
super(BlockingScheduler, self).shutdown(wait)
self._event.set()
def _main_loop(self):
wait_seconds = TIMEOUT_MAX
while self.state != STATE_STOPPED:
self._event.wait(wait_seconds)
self._event.clear()
wait_seconds = self._process_jobs()
def wakeup(self):
self._event.set()

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from __future__ import absolute_import
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.schedulers.base import BaseScheduler
try:
from gevent.event import Event
from gevent.lock import RLock
import gevent
except ImportError: # pragma: nocover
raise ImportError('GeventScheduler requires gevent installed')
class GeventScheduler(BlockingScheduler):
"""A scheduler that runs as a Gevent greenlet."""
_greenlet = None
def start(self, *args, **kwargs):
self._event = Event()
BaseScheduler.start(self, *args, **kwargs)
self._greenlet = gevent.spawn(self._main_loop)
return self._greenlet
def shutdown(self, *args, **kwargs):
super(GeventScheduler, self).shutdown(*args, **kwargs)
self._greenlet.join()
del self._greenlet
def _create_lock(self):
return RLock()
def _create_default_executor(self):
from apscheduler.executors.gevent import GeventExecutor
return GeventExecutor()

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from __future__ import absolute_import
from importlib import import_module
from itertools import product
from apscheduler.schedulers.base import BaseScheduler
for version, pkgname in product(range(6, 1, -1), ("PySide", "PyQt")):
try:
qtcore = import_module(pkgname + str(version) + ".QtCore")
except ImportError:
pass
else:
QTimer = qtcore.QTimer
break
else:
raise ImportError(
"QtScheduler requires either PySide/PyQt (v6 to v2) installed"
)
class QtScheduler(BaseScheduler):
"""A scheduler that runs in a Qt event loop."""
_timer = None
def shutdown(self, *args, **kwargs):
super(QtScheduler, self).shutdown(*args, **kwargs)
self._stop_timer()
def _start_timer(self, wait_seconds):
self._stop_timer()
if wait_seconds is not None:
wait_time = min(int(wait_seconds * 1000), 2147483647)
self._timer = QTimer.singleShot(wait_time, self._process_jobs)
def _stop_timer(self):
if self._timer:
if self._timer.isActive():
self._timer.stop()
del self._timer
def wakeup(self):
self._start_timer(0)
def _process_jobs(self):
wait_seconds = super(QtScheduler, self)._process_jobs()
self._start_timer(wait_seconds)

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from __future__ import absolute_import
from datetime import timedelta
from functools import wraps
from apscheduler.schedulers.base import BaseScheduler
from apscheduler.util import maybe_ref
try:
from tornado.ioloop import IOLoop
except ImportError: # pragma: nocover
raise ImportError('TornadoScheduler requires tornado installed')
def run_in_ioloop(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
self._ioloop.add_callback(func, self, *args, **kwargs)
return wrapper
class TornadoScheduler(BaseScheduler):
"""
A scheduler that runs on a Tornado IOLoop.
The default executor can run jobs based on native coroutines (``async def``).
=========== ===============================================================
``io_loop`` Tornado IOLoop instance to use (defaults to the global IO loop)
=========== ===============================================================
"""
_ioloop = None
_timeout = None
@run_in_ioloop
def shutdown(self, wait=True):
super(TornadoScheduler, self).shutdown(wait)
self._stop_timer()
def _configure(self, config):
self._ioloop = maybe_ref(config.pop('io_loop', None)) or IOLoop.current()
super(TornadoScheduler, self)._configure(config)
def _start_timer(self, wait_seconds):
self._stop_timer()
if wait_seconds is not None:
self._timeout = self._ioloop.add_timeout(timedelta(seconds=wait_seconds), self.wakeup)
def _stop_timer(self):
if self._timeout:
self._ioloop.remove_timeout(self._timeout)
del self._timeout
def _create_default_executor(self):
from apscheduler.executors.tornado import TornadoExecutor
return TornadoExecutor()
@run_in_ioloop
def wakeup(self):
self._stop_timer()
wait_seconds = self._process_jobs()
self._start_timer(wait_seconds)

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from __future__ import absolute_import
from functools import wraps
from apscheduler.schedulers.base import BaseScheduler
from apscheduler.util import maybe_ref
try:
from twisted.internet import reactor as default_reactor
except ImportError: # pragma: nocover
raise ImportError('TwistedScheduler requires Twisted installed')
def run_in_reactor(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
self._reactor.callFromThread(func, self, *args, **kwargs)
return wrapper
class TwistedScheduler(BaseScheduler):
"""
A scheduler that runs on a Twisted reactor.
Extra options:
=========== ========================================================
``reactor`` Reactor instance to use (defaults to the global reactor)
=========== ========================================================
"""
_reactor = None
_delayedcall = None
def _configure(self, config):
self._reactor = maybe_ref(config.pop('reactor', default_reactor))
super(TwistedScheduler, self)._configure(config)
@run_in_reactor
def shutdown(self, wait=True):
super(TwistedScheduler, self).shutdown(wait)
self._stop_timer()
def _start_timer(self, wait_seconds):
self._stop_timer()
if wait_seconds is not None:
self._delayedcall = self._reactor.callLater(wait_seconds, self.wakeup)
def _stop_timer(self):
if self._delayedcall and self._delayedcall.active():
self._delayedcall.cancel()
del self._delayedcall
@run_in_reactor
def wakeup(self):
self._stop_timer()
wait_seconds = self._process_jobs()
self._start_timer(wait_seconds)
def _create_default_executor(self):
from apscheduler.executors.twisted import TwistedExecutor
return TwistedExecutor()