Ah - the GadgetStateChanged event works with filter, but the filter is
attended to filter on the URL of the gadget, so that you can only listen to
changes for a particular gadget.
We'll improve the documentation to make that clearer.
It's possible that a document changed filter will work for what you want,
since the gadget state is technically a part of the document. I have not
tested that, however.
- pamela
On Wed, Apr 14, 2010 at 5:51 AM, Martin Kreichgauer <
kreichga...@googlemail.com> wrote:
> Hello,
>
> I tried using the filters of the Python v2 Robot API with the
> GadgetStateChanged event. The code looks like this:
>
> def on_gadget_state_changed(event, wavelet):
> # ...
> my_robot = robot.Robot(my_robot, profile_url='url')
> my_robot.register_handler(events.GadgetStateChanged,
> on_gadget_state_changed,
> filter="StringThatDoesNotAppearAnywhereInTheGadgetState")
> appengine_robot_runner.run(my_robot, debug=True)
>
> I would expect that the handler never gets called because the filter
> string can certainly not be found in the wave or any gadget state.
> However, the event handler is called every single time the gadget
> state changes. What am I doing wrong?
>
> Thanks,
> Martin Kreichgauer
>
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