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Update apscheduler 3.5.0

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This commit is contained in:
JonnyWong16 2018-01-13 20:26:43 -08:00
parent aa844b76fc
commit 8e13bf4f93
33 changed files with 1660 additions and 561 deletions
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67
lib/apscheduler/executors/base.py
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@ -8,13 +8,15 @@ import sys
from pytz import utc
import six
from apscheduler.events import JobExecutionEvent, EVENT_JOB_MISSED, EVENT_JOB_ERROR, EVENT_JOB_EXECUTED
from apscheduler.events import (
JobExecutionEvent, EVENT_JOB_MISSED, EVENT_JOB_ERROR, EVENT_JOB_EXECUTED)
class MaxInstancesReachedError(Exception):
def __init__(self, job):
super(MaxInstancesReachedError, self).__init__(
'Job "%s" has already reached its maximum number of instances (%d)' % (job.id, job.max_instances))
'Job "%s" has already reached its maximum number of instances (%d)' %
(job.id, job.max_instances))
class BaseExecutor(six.with_metaclass(ABCMeta, object)):
@ -30,13 +32,14 @@ class BaseExecutor(six.with_metaclass(ABCMeta, object)):
def start(self, scheduler, alias):
"""
Called by the scheduler when the scheduler is being started or when the executor is being added to an already
running scheduler.
Called by the scheduler when the scheduler is being started or when the executor is being
added to an already running scheduler.
:param apscheduler.schedulers.base.BaseScheduler scheduler: the scheduler that is starting this executor
:param apscheduler.schedulers.base.BaseScheduler scheduler: the scheduler that is starting
this executor
:param str|unicode alias: alias of this executor as it was assigned to the scheduler
"""
"""
self._scheduler = scheduler
self._lock = scheduler._create_lock()
self._logger = logging.getLogger('apscheduler.executors.%s' % alias)
@ -45,7 +48,8 @@ class BaseExecutor(six.with_metaclass(ABCMeta, object)):
"""
Shuts down this executor.
:param bool wait: ``True`` to wait until all submitted jobs have been executed
:param bool wait: ``True`` to wait until all submitted jobs
have been executed
"""
def submit_job(self, job, run_times):
@ -53,10 +57,12 @@ class BaseExecutor(six.with_metaclass(ABCMeta, object)):
Submits job for execution.
:param Job job: job to execute
:param list[datetime] run_times: list of datetimes specifying when the job should have been run
:raises MaxInstancesReachedError: if the maximum number of allowed instances for this job has been reached
"""
:param list[datetime] run_times: list of datetimes specifying
when the job should have been run
:raises MaxInstancesReachedError: if the maximum number of
allowed instances for this job has been reached
"""
assert self._lock is not None, 'This executor has not been started yet'
with self._lock:
if self._instances[job.id] >= job.max_instances:
@ -70,50 +76,71 @@ class BaseExecutor(six.with_metaclass(ABCMeta, object)):
"""Performs the actual task of scheduling `run_job` to be called."""
def _run_job_success(self, job_id, events):
"""Called by the executor with the list of generated events when `run_job` has been successfully called."""
"""
Called by the executor with the list of generated events when :func:`run_job` has been
successfully called.
"""
with self._lock:
self._instances[job_id] -= 1
if self._instances[job_id] == 0:
del self._instances[job_id]
for event in events:
self._scheduler._dispatch_event(event)
def _run_job_error(self, job_id, exc, traceback=None):
"""Called by the executor with the exception if there is an error calling `run_job`."""
"""Called by the executor with the exception if there is an error calling `run_job`."""
with self._lock:
self._instances[job_id] -= 1
if self._instances[job_id] == 0:
del self._instances[job_id]
exc_info = (exc.__class__, exc, traceback)
self._logger.error('Error running job %s', job_id, exc_info=exc_info)
def run_job(job, jobstore_alias, run_times, logger_name):
"""Called by executors to run the job. Returns a list of scheduler events to be dispatched by the scheduler."""
"""
Called by executors to run the job. Returns a list of scheduler events to be dispatched by the
scheduler.
"""
events = []
logger = logging.getLogger(logger_name)
for run_time in run_times:
# See if the job missed its run time window, and handle possible misfires accordingly
# See if the job missed its run time window, and handle
# possible misfires accordingly
if job.misfire_grace_time is not None:
difference = datetime.now(utc) - run_time
grace_time = timedelta(seconds=job.misfire_grace_time)
if difference > grace_time:
events.append(JobExecutionEvent(EVENT_JOB_MISSED, job.id, jobstore_alias, run_time))
events.append(JobExecutionEvent(EVENT_JOB_MISSED, job.id, jobstore_alias,
run_time))
logger.warning('Run time of job "%s" was missed by %s', job, difference)
continue
logger.info('Running job "%s" (scheduled at %s)', job, run_time)
try:
retval = job.func(*job.args, **job.kwargs)
except:
except BaseException:
exc, tb = sys.exc_info()[1:]
formatted_tb = ''.join(format_tb(tb))
events.append(JobExecutionEvent(EVENT_JOB_ERROR, job.id, jobstore_alias, run_time, exception=exc,
traceback=formatted_tb))
events.append(JobExecutionEvent(EVENT_JOB_ERROR, job.id, jobstore_alias, run_time,
exception=exc, traceback=formatted_tb))
logger.exception('Job "%s" raised an exception', job)
# This is to prevent cyclic references that would lead to memory leaks
if six.PY2:
sys.exc_clear()
del tb
else:
import traceback
traceback.clear_frames(tb)
del tb
else:
events.append(JobExecutionEvent(EVENT_JOB_EXECUTED, job.id, jobstore_alias, run_time, retval=retval))
events.append(JobExecutionEvent(EVENT_JOB_EXECUTED, job.id, jobstore_alias, run_time,
retval=retval))
logger.info('Job "%s" executed successfully', job)
return events