Python IRC bot using Twisted

ddtm dr.death.tm at gmail.com
Wed Jul 4 10:42:47 CEST 2007


On 3    , 20:08, Jean-Paul Calderone <exar... at divmod.com> wrote:
> On Tue, 03 Jul 2007 15:51:30 -0000, ddtm <dr.death... at gmail.com> wrote:
> >On 3    , 17:55, Jean-Paul Calderone <exar... at divmod.com> wrote:
> >> On Tue, 03 Jul 2007 13:44:34 -0000, ddtm <dr.death... at gmail.com> wrote:
> >> >On 3    , 16:01, Jean-Paul Calderone <exar... at divmod.com> wrote:
> >> > [snip]
>
> >> >Thank you very much! It's a very useful information. One more
> >> >question: can I cancel the DelayedCall using its ID (it is returned
> >> >from callLater(...)) from another function? In example bot there are
> >> >two functions:
> >> >def joined(self, channel):
> >> >  ...
> >> >def privmsg(self, user, channel, msg):
> >> >  ...
> >> >For example, I add callLater(...) to joined(...) function and I'd like
> >> >to cancel this in privmsg(...) function. What should I do?
>
> >> Yep.  The object callLater returns has a `cancel' method (some others, too)
> >> which will prevent the function from being called at the scheduled time.
>
> >> Jean-Paul
>
> >I know what you are talking about, but the question is: How can I
> >cancel scheduled task in function that differs from
> >function where I scheduled the task? Demo bot on Twisted website has a
> >class with a bunch of predefined functions joined(...), privmsg(...)
> >and so on. I can't see any method of communicating these functions.
> >I'm new to Python and to Twisted framework.
> >The task is:
> >to call callLater(...) in joined(...)
> >to cancel the task in privmsg(...) on special condition
>
> You need to preserve a reference to the object.  For example:
>
>     class IRCBot(Whatever):
>         def joined(...):
>             self.announceJoinedCall = reactor.callLater(...)
>
>         def privmsg(...):
>             self.announceJoinedCall.cancel()
>             self.announceJoinedCall = None
>
> This skips over a bunch of details (what happens on multiple calls to
> joined, what happens if privmsg is called after announceJoinedCall has
> run, etc) but I hope it demonstrates the basic idea.
>
> Jean-Paul

Thank you! Everything works great!




More information about the Python-list mailing list