[vtkusers] VTK web application

沈庄明 zhuangming.shen at sphic.org.cn
Mon Dec 18 02:41:23 EST 2017

Hi Aron and Sebastien,

Thanks for your helpful comments. As you expected, VTK 8.1.0 can support python 3. Up to now, I almost finished except some errors in the client (see the figure). I guess js also need to upgrade, right? Hope some vtk-only examples can be obtained in the future. Thanks again.


Zhuangming Shen

From: Aron Helser <aron.helser at kitware.com>
Sent: Wednesday, December 13, 2017 4:36 AM
To: Sebastien Jourdain
Cc: 沈庄明; vtkusers at vtk.org
Subject: Re: [vtkusers] VTK web application

The older Autobahn had a number of issues with Python 3 - so I would expect you to have problems. We were able to make it work with python 3 by backporting a number of python3 fixes, but can you upgrade to VTK 8.1.0? Then you can use the newest autobahn and twisted, with wslink.

launcher.py has migrated to wslink: https://github.com/Kitware/wslink/blob/master/python/src/wslink/launcher.py
but it didn't change very much.

I don't know if we have a vtk-only example of migration, but the Visualizer app migrated, including the launcher, I believe.


On Tue, Dec 12, 2017 at 8:36 AM, Sebastien Jourdain <sebastien.jourdain at kitware.com<mailto:sebastien.jourdain at kitware.com>> wrote:
VTK 8.1.0 will support Python 3 with our WSLink library.
In order to migrate, you will have a couple of import to fix but the API should be almost the same if not the same.

Aron should be able to give you some pointers on where to look for migration examples.


On Mon, Dec 11, 2017 at 7:33 PM, 沈庄明 <zhuangming.shen at sphic.org.cn<mailto:zhuangming.shen at sphic.org.cn>> wrote:

?Hi all,

I referred vtkweb/launcher.py in VTK 8.0.0 to write my own codes with twisted 17.1.0 and autobahn 0.8.14, it can work using python 2.7. But when I upgraded python to 3.4, it did not respond to http request, and in front-end displayed "404 No such Resource". So I wonder if launcher.py can support python 3.x? Need to modify something? Any suggestions are welcome.

BTW, I noticed that launcher.py has been removed in VTK 8.1.0. Does that mean VTK web application use a new architecture?


Zhuangming Shen

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