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Update apshceduler-3.8.0

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JonnyWong16 2021-10-14 20:36:43 -07:00
parent ec3702c358
commit dd32f1e5b4
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16 changed files with 81 additions and 50 deletions
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19
lib/apscheduler/triggers/base.py
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@ -22,27 +22,16 @@ class BaseTrigger(six.with_metaclass(ABCMeta)):
def _apply_jitter(self, next_fire_time, jitter, now):
"""
Randomize ``next_fire_time`` by adding or subtracting a random value (the jitter). If the
resulting datetime is in the past, returns the initial ``next_fire_time`` without jitter.
``next_fire_time - jitter <= result <= next_fire_time + jitter``
Randomize ``next_fire_time`` by adding a random value (the jitter).
:param datetime.datetime|None next_fire_time: next fire time without jitter applied. If
``None``, returns ``None``.
:param int|None jitter: maximum number of seconds to add or subtract to
``next_fire_time``. If ``None`` or ``0``, returns ``next_fire_time``
:param int|None jitter: maximum number of seconds to add to ``next_fire_time``
(if ``None`` or ``0``, returns ``next_fire_time``)
:param datetime.datetime now: current datetime
:return datetime.datetime|None: next fire time with a jitter.
"""
if next_fire_time is None or not jitter:
return next_fire_time
next_fire_time_with_jitter = next_fire_time + timedelta(
seconds=random.uniform(-jitter, jitter))
if next_fire_time_with_jitter < now:
# Next fire time with jitter is in the past.
# Ignore jitter to avoid false misfire.
return next_fire_time
return next_fire_time_with_jitter
return next_fire_time + timedelta(seconds=random.uniform(0, jitter))