On Wednesday 04 March 2009 00:04:13 Matt Hammond wrote:
> The timeout feature is there, to my mind, because it provide a convenient
> way to provide basic timing facilities, very nearly for free (since the
> threading.Event() object it uses to pause has an optional timeout argument
> already built in)
>
> In my understanding, there is therefore no difference between self.pause()
> for generator based components and threaded components, except from the
> fact that the pause-ing will not happen in a generator based component
> until the next yield statement is reached.
This second paragraph disagrees with the first.
In a generator component, writing:
self.pause(1.0)
Will break. cf:
>>> import Axon
cl>>>
>>>
>>> class T(Axon.Component.component):
... def main(self):
... self.pause(1.0)
... yield 1
...
>>> T().run()
Here 5485
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "Axon/Microprocess.py", line 575, in run
self.__class__.schedulerClass.run.runThreads()
File "Axon/Scheduler.py", line 546, in runThreads
for i in self.main(slowmo,canblock=True): pass
File "Axon/Scheduler.py", line 440, in main
result = mprocess.next()
File "Axon/Microprocess.py", line 399, in next
return self.__thread.next()
File "Axon/Microprocess.py", line 508, in _microprocessGenerator
v = pc.next()
File "<stdin>", line 3, in main
TypeError: pause() takes exactly 1 argument (2 given)
In a threaded component you can write:
* self.pause(1.0)
And it will result in the component pausing for 1 second unless awoken by
traffic sooner.
>>> import Axon
>>> class T(Axon.ThreadedComponent.thread
Axon.ThreadedComponent.threadedadaptivecommscomponent
Axon.ThreadedComponent.threadedcomponent
Axon.ThreadedComponent.threading
>>> class T(Axon.ThreadedComponent.threadedcomponent):
... def main(self):
... self.pause(1.0)
...
>>> T().run()
>>>
Michael.
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