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import datetime, time
from src import ModuleManager, utils
class Module(ModuleManager.BaseModule):
def on_load(self):
now = datetime.datetime.utcnow()
next_minute = now.replace(second=0, microsecond=0)
next_minute += datetime.timedelta(minutes=1)
until = time.time()+((next_minute-now).total_seconds())
self.timers.add("cron", self._minute, 60, until)
def _minute(self, timer):
now = datetime.datetime.utcnow().replace(second=0, microsecond=0)
timer.redo()
timestamp = [now.minute, now.hour]
events = self.events.on("cron")
event = events.make_event()
for cron in events.get_hooks():
schedule = cron.get_kwarg("schedule").split(" ")
if self._schedule_match(timestamp, schedule):
cron.call(event)
def _schedule_match(self, timestamp, schedule):
for timestamp_part, schedule_part in zip(timestamp, schedule):
if not self._schedule_match_part(timestamp_part, schedule_part):
return False
return True
def _schedule_match_part(self, timestamp_part, schedule_part):
if "," in schedule_part:
for schedule_part in schedule_part.split(","):
if self._schedule_match_part([timestamp_part], [schedule_part]):
return True
elif schedule_part.startswith("*/"):
schedule_step = int(schedule_part.split("*/", 1)[1])
if (timestamp_part%schedule_step) == 0:
return True
elif "-" in schedule_part:
left, right = schedule_part.split("-", 1)
return int(left) <= timestamp_part <= int(right)
elif schedule_part == "*":
return True
elif timestamp_part == int(schedule_part):
return True
return False
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