[Paraview] connecting buttons and python

[Sgouros, Thomas]

Turns out you can't use capital letters for the protocol options (what
should I call them?), according to the discussion at this link. Some people
here might find it familiar:
https://groups.google.com/forum/#!topic/autobahnws/mkjF21Fb8ow

 -Tom



On Wed, Feb 21, 2018 at 7:56 PM, Scott Wittenburg <
scott.wittenburg at kitware.com> wrote:

> That actually looks ok to me.  Why isn't pvpython happy with it?  What
> version of ParaView are you running?  If it's a recent ParaView and the
> problem is you can't import wslink, then setting up a virtualenv with the
> missing modules (wslink and its dependencies) might be what you need.  See
> this blog post for more information on how to use pvpython but also bring
> in the modules in your virtualenv:
>
> https://blog.kitware.com/using-pvpython-and-virtualenv/
>
> If the problem is something else, we might need more details.
>
> Hope this helps.
>
> Cheers,
> Scott
>
>
>
> On Wed, Feb 21, 2018 at 5:44 PM, Sgouros, Thomas <thomas_sgouros at brown.edu
> > wrote:
>
>> Thank you that's very helpful. Where will I find how to define the
>> protocols on the python side? I've only found a wslink example that looks
>> like this:
>>
>> from wslink import register as exportRPC
>> from wslink.websocket import LinkProtocol
>>
>> class myProtocol(LinkProtocol):
>>     def __init__(self):
>>         super(myProtocol, self).__init__()
>>
>>     @exportRPC("myprotocol.testButton")
>>     def testButton(self, nothing):
>>         print("******* HELP ********")
>>
>> Pvpython isn't happy with this, but I'm not sure where to look for the
>> right way to do it.
>>
>> Thank you,
>>
>>  -Tom
>>
>> On Wed, Feb 21, 2018 at 6:55 PM, Scott Wittenburg <
>> scott.wittenburg at kitware.com> wrote:
>>
>>> Yes that link is old and broken, but if you navigate through the api
>>> docs links, that is working.  Here's the direct link to the page you
>>> couldn't find though:
>>>
>>> https://kitware.github.io/paraviewweb/api/IO_WebSocket_ParaV
>>> iewWebClient.html
>>>
>>>
>>>
>>> On Wed, Feb 21, 2018 at 4:43 PM, Sgouros, Thomas <
>>> thomas_sgouros at brown.edu> wrote:
>>>
>>>> Hello all:
>>>>
>>>> Got some nice looking buttons and widgets, but I can't seem to find
>>>> examples of how to deliver the button press or other widget output to my
>>>> pvpython server. I imagine the steps are:
>>>>
>>>> 1. Create a protocol on the python side. Can I use wslink.register, or
>>>> is there paraviewweb functionality I should be using?
>>>>
>>>> 2. Create a matching protocol on the js side, with
>>>> ParaviewWebClient.createClient(), but I'm not seeing how to link the
>>>> protocol to a function that can be linked to a button press.
>>>>
>>>> Also, this page, found via a google search, seems potentially useful,
>>>> but gives me a 404.
>>>>
>>>> https://kitware.github.io/paraviewweb/api/ParaViewWebClient.html
>>>>
>>>> Many thanks,
>>>>
>>>>  -Tom
>>>>
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>>
>
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