python:高级python调度程序 - cron样式调度 - 传递函数参数

时间:2011-11-02 13:01:14

标签: python cron scheduler

我正在尝试使用高级python调度程序安排con样式作业。每当我使用不需要任何参数的函数时,一切都很好,但是我无法安排传递一个或多个参数的相同作业。你能告诉我吗?

from apscheduler.scheduler import Scheduler

def job_def(var1, var2):
    print "%s - %s" % (str(var1), str(var2))


s = Scheduler()

s.add_cron_job(job_def,['hello', 'there'], seconds='*/30')

s.start()

错误:

Traceback (most recent call last):   File "<stdin>", line 1, in <module> 

File "/usr/local/lib/python2.7/dist-packages/APScheduler-2.0.2-py2.7.egg/apscheduler scheduler.py", line 346, in add_cron_job start_date=start_date)   

File "/usr/local/lib/python2.7/dist-packages/APScheduler-2.0.2-py2.7.egg/apscheduler/triggers/cron/__init__.py", line 44, in __init__  field = field_class(field_name, exprs, is_default)   

File "/usr/local/lib/python2.7/dist-packages/APScheduler-2.0.2-py2.7.egg/apscheduler/triggers/cron/fields.py", line 29, in __init__ self.compile_expressions(exprs)   

File "/usr/local/lib/python2.7/dist-packages/APScheduler-2.0.2-py2.7.egg/apscheduler/triggers/cron/fields.py", line 56, in compile_expressions self.compile_expression(expr)   

File "/usr/local/lib/python2.7/dist-packages/APScheduler-2.0.2-py2.7.egg/apscheduler/triggers/cron/fields.py", line 69, in compile_expression (expr, self.name))

3 个答案:

答案 0 :(得分:7)

首先,根据to the documentation,它应该是second="*/30"而不是seconds="*30/",然后是add_cron_job method prototype is

    def add_cron_job(self, func, year=None, month=None, day=None,
 week=None, day_of_week=None, hour=None, minute=None, second=None,
 start_date=None, args=None, kwargs=None, **options):

         """
         Schedules a job to be completed on times that match the given
         expressions.

         :param func: callable to run
         :param year: year to run on
         :param month: month to run on
         :param day: day of month to run on
         :param week: week of the year to run on
         :param day_of_week: weekday to run on (0 = Monday)
         :param hour: hour to run on
         :param second: second to run on
         :param args: list of positional arguments to call func with
         :param kwargs: dict of keyword arguments to call func with
         :param name: name of the job
         :param jobstore: alias of the job store to add the job to
         :param misfire_grace_time: seconds after the designated run time that
             the job is still allowed to be run
         :return: the scheduled job
         :rtype: :class:`~apscheduler.job.Job`
         """

所以,在你的情况下,你应该写这样的东西:

from apscheduler.scheduler import Scheduler

def job_def(var1, var2):
    print "%s - %s" % (str(var1), str(var2))


s = Scheduler()

s.add_cron_job(job_def, args=['hello', 'there'], second='*/30')

s.start()

答案 1 :(得分:2)

使用

会不会更容易
  

s.add_interval_job(job_def,ARGS = [&#39;你好&#39;&#39;还有&#39],秒= 30)

代替?

答案 2 :(得分:0)

另一个选项是simple-scheduler

from simple_scheduler.recurring import recurring_scheduler

def job_def(var1, var2):
    print "%s - %s" % (str(var1), str(var2))

recurring_scheduler.add_job(target=job_def,
                            args=("hello", "there")
                            period_in_seconds=30,
                            job_name="job_def")
recurring_scheduler.run()
recurring_scheduler.job_summary()