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Cron jobs with lovely.remotetask - how to start?

 

 

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dusty at qwer

Oct 15, 2008, 1:15 PM

Post #1 of 1 (496 views)
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Cron jobs with lovely.remotetask - how to start?

Hi,
In my application, I'd like to run a service once a day that does some
processing. It seems that lovely.remotetask can do that.

In my scenario, I have multiple sites, whereas each one should have such a
cron job. What I do is the following:

In zope.conf:
<product-config lovely.remotetask>
autostart *@*
</product-config>

And then, I created a subscriber for a INewSiteCreated event:

def cronLog():
logger.debug("Log Entry!")

cronLogTask = SimpleTask(cronLog)
provideUtility(cronLogTask, name=u'cronLog')

@adapter(INewSiteCreated)
def setupTasks(event):
service = TaskService()
sm = event.object.getSiteManager()
sm['default']['testTaskService1'] = service
sm.registerUtility(service, ITaskService, name='TestTaskService1')
jobid = service.addCronJob(u'cronLog',
minute = tuple(range(60)))

Ok, the problem is, that the service is not running, which can be shown
by "service.isProcessing()" -> False.

Thus I tried to add something like that at the end of the function:

service.startProcessing()

But that results in a traceback:

----------------
File "/home/dusty/prog/bsp/buildout/eggs/lovely.remotetask-0.2.13-py2.4.egg/lovely/remotetask/service.py",
line 158, in startProcessing
thread = threading.Thread(
AttributeError: 'NoneType' object has no attribute 'db'
----------------

This "db" attribute refers to an object attribute "self._p_jar.db()" - no clue
what that is or why it's None.

I also thought, that the directives in zope.conf would start my services on a
zope restart, but that's not the case.

Hmmm, any clues how to start my services?

Best Regards,
Hermann

--
hermann [at] qwer
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