On Jun 24, 2009, at 1:19 PM, Reinout van Rees wrote:
> Hi all,
> In messages like http://www.mail-archive.com/zope3-...@zope.org/msg05964.html
> zc.async is mentioned as the solution for cron-like functionality in
> Effectively you would not need zope2's clockserver.
> Reading zc.async's docs, I cannot find how to do a given task
> regularly. For
> example a weekly pack. Or a daily call of one method that archives
> items. That sort of stuff. Many things can be handled by cronjobs,
> but you
> tend to get a lot of them. And you don't want to embed the password
> Anyway: I cannot find the word "cron" anywhere in the zc.async
> source. Or
> "repetitive" or "regular". Is zc.async not intended for this kind
> of usage?
zc.async can be used to do cron-like activities by starting a job, to
be performed after a certain time, that has a callback that
reschedules another job when desired.
This has the advantage over cron-like behavior because it does not
reschedule until the first job is done.
Other zc.async competitors have cron implemented more directly, but I
found it to be very easy and flexible to do what I wanted using the
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