[Twisted-Python] returning value after addCallback

[Ladislav Andel]

Phil Mayers wrote:
>> test = PingTracker()
>> d = test.check(domain[0], test_opts)
>>
>> print d  # this returns Deferred...
>>
>> test.SipCallback()   # this returns None
>>     
>
> Yes, because no Twisted code has run yet
>
>   
>> reactor.run()
>>     
>
> ...because you haven't started the reactor.
>
>   
So how should I run reactor then ?
Yes, I have difficulties to get on the right "twisted track".
I've seen many examples but probably didn't grasp the way how it works.

Lada
> I don't think you properly understand how Twisted works. Your code is
> executed in response to events (packets being received, timers expiring,
> reactor startup/shutdown events). The reactor runs the event loop.
>
>
>
>
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