asynchronous timer events - how to?
jarausch at skynet.be
Wed Jan 9 19:31:08 CET 2008
Fredrik Lundh wrote:
> Helmut Jarausch wrote:
>> I'm using a web server (Karrigell) which is based on the asyncore module.
>> I'd like to be able to checkpoint some data (e.g. pickled
>> dictionaries) to disk
>> from time to time.
>> For that I would need to setup a timer which calls a Python
>> object/function when its time interval has expired. While this
>> function is running I need access to the variables of the server.
> the usual way to do that with asyncore is to add an outer control loop
> that calls asyncore.loop with a count argument (or poll directly), and
> checks a "task queue" at regular intervals.
> but in your case, it's probably easier to set up a cron job that does
> a "wget" against your server with a "secret" URL, and have the server do
> the checkpointing whenever that URL is fetched.
Thanks for this ingenious idea,
Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany
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