[Twisted-Python] LoopingCall and object instances

Ladislav Andel ladaan at iptel.org
Wed Aug 22 16:59:28 EDT 2007


I found the answer myself here at 
http://twistedmatrix.com/pipermail/twisted-python/2005-September/011490.html

I followed the code and implemented to my class start and stop methods 
which solved my problem
with taking out object instances from loop testing.

Lada

Ladislav Andel wrote:
> Hello,
> I have got following code:
>
> hosts = ['google.com','yahoo.com']
>
> for host in hosts:
>        c = PingContext(num, host)
>        ctx.append(c)
>        l = task.LoopingCall(c.ping)
>        l.start(30.0, False)
>
> I create a few object instances and pinging those hosts every 30 secs.
> I will have another loop through LoopingCall, where I will be checking 
> dynamically changing list and comparing with already been checking hosts.
> If there is a host missing in the list I will delete the object 
> instance which is not in the list.
> How can I remove it that it will not be anymore called by LoopingCall?
> Or how can I add a new object instance to the LoopingCall in case 
> there is new host in the list?
>
> Hopefully, it's understandable.
>
> Thank you,
> Lada
>
>
>
>
>
>
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