def __fire(self):
self.__firing = True
try:
while self.__jobs and self.__jobs[0][0] <= dateandtime.Now():
ts, job, interval = self.__jobs.pop(0)
try:
job()
except:
# Hum.
import traceback
traceback.print_exc()
if interval is not None:
self.__schedule(job, ts + interval, interval)
finally:
self.__firing = False
if self.__jobs and self.__nextCall is None:
dt = self.__jobs[0][0] - dateandtime.Now()
nextDuration = int((dt.microseconds + (dt.seconds + dt.days * 24 * 3600) * 10**6) / 10**3)
nextDuration = max(nextDuration, 1)
nextDuration = min(nextDuration, 2**31-1)
from twisted.internet import reactor
self.__nextCall = reactor.callLater(1.0 * nextDuration / 1000, self.__callback)
def schedule(self, function, dateTime):
proxy = ScheduledMethod(function)
def callback():
if proxy in self.__jobs:
del self.__jobs[proxy]
wx.CallAfter(proxy)
if dateTime <= dateandtime.Now() + timedelta.TimeDelta(
milliseconds=500):
callback()
else:
self.__jobs[proxy] = job = self.add_date_job(callback,
dateTime,
misfire_grace_time=0)
return job
def schedule_interval(self, function, days=0, minutes=0, seconds=0):
proxy = ScheduledMethod(function)
def callback():
wx.CallAfter(proxy)
if proxy not in self.__jobs:
start_date = dateandtime.Now().endOfDay() if days > 0 else None
self.__jobs[proxy] = job = self.add_interval_job(
callback,
days=days,
minutes=minutes,
seconds=seconds,
start_date=start_date,
misfire_grace_time=0,
coalesce=True)
return job
def scheduleInterval(self, job, interval, startDateTime=None):
self.__schedule(job, startDateTime or dateandtime.Now() + interval, interval)
def schedule_interval(self, function, days=0, minutes=0, seconds=0):
job = ScheduledMethod(function)
if not self.__scheduler.isScheduled(job):
startDate = dateandtime.Now().endOfDay() if days > 0 else None
self.__scheduler.scheduleInterval(job, timedelta.TimeDelta(days=days, minutes=minutes, seconds=seconds), startDateTime=startDate)
return job
def __finished_recurring(self):
''' Return whether this recurrence is finished, either because the
maximum number of recurrences has happened or because the end date
for the reccurences has passed. '''
return self.max != 0 and self.count >= self.max or \
date.Now() > self.stop_datetime