Tim Black schrieb:
> I'm trying to use TurboGears' scheduler to automate sending bills by
> email. I have this code as a controller method:
>
> def send1MonthBills(self):
> '''Email bills for projects marked billable where frequency is 1
> Month'''
> projects = model.Project.select(model.Project.q.billable==True)
> for p in projects:
> if p.billFrequency.frequency=='1 Month':
> self.emailBill(p.id)
> print "emailed bill for %s" % p.name
> scheduler.add_monthday_task(action=send1MonthBills,
> taskname='send1MonthBills', monthdays=[1], timeonday=(9,0))
> ## scheduler.add_interval_task(action=send1MonthBills,
> taskname='send1MonthBillsTest', initialdelay=10, interval=60)
>
> Since it's a controller method, send1MonthBills() requires 1 argument:
> self, and it references the controller class (Root()) when it calls
> self.emailBill(), which is @exposed in order to use a template to make
> the email pretty.
>
> The problem is, scheduler.add_monthday_task(action=send1MonthBills...
> doesn't let me enter "self" as an argument to send1MonthBills, so I get
> this error:
>
> ERROR DURING TASK EXECUTION send1MonthBills() takes exactly 1 argument
> (0 given)
> ...
> TypeError: send1MonthBills() takes exactly 1 argument (0 given)
>
> So, is there a way to either:
>
> - give send1MonthBills() the "self" argument? I don't think there is.
> - or to call self.emailBill() from outside the controller class, but
> within controllers.py? I think this is what I need to do, but can't
> find documentation on it. I tried importing cherrypy then calling
> cherrypy.root.emailBill() and it didn't work.
There are ways to accomplish that. You actually should be able to call a
method on the root controller, or pass a callback-method that has self
already attached (google bound method). If cherrypy.root is the
root-controlle-instance, you should get a hold on the method with a simple
cherrypy.root.send1MonthBills
which you could
However, this is not going to work for other reasons: your exposed
emailBill-method won't render because calling it won't invoke the whole
template rendering mechanism.
I did this once like this:
message =
turbomail.Message(turbogears.config.get('events.from'), customer.email,
subject)
kid_engine = turbogears.view.engines['kid']
message.rich = unicode(kid_engine.render(params,
template='varms.templates.sales.events_email'), 'utf-8')
turbomail.enqueue(message)
HTH,
Diez
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