[Twisted-Python] scheduling a task

[Andrew Bennetts]

On Tue, Dec 16, 2003 at 11:03:28AM +0100, enrico.sirola at riskmap.it wrote:
> 
> Hello,
> I just wrote my first twisted python application (basically, it's a
> SOAP server). The application layout is something like the following
> pseudocode:
> 
> # validator.py from here
> class A(service.Service):
>         # .... details omitted ...
>         pass

[...]


> anyway, i'd like to add the server a task running every 30s. I saw an
> example using reactor, like the following:
> 
> reactor.callLater(30, task)
> 
> now, where must i put this code in order to be run at application
> bootstrap? I tried putting reactor.callLater into the makeService
> function, but it seems it's executed during mktap only (am i
> wrong?)... 

Put it in the startService method of your service, i.e. A.  

Also, you might find twisted.internet.task.LoopingCall to be slightly more
convenient than manually calling callLater.

-Andrew.