[Paraview] Help with ProgrammableFilter and PATH problem in 5.4.1
Martin Weinberg
martin.weinberg at comcast.net
Wed Mar 7 13:38:05 EST 2018
An easy fix is adding:
export PYTHONUSERBASE=/dev/null
to my bash script that sets the LD_LIBRARY_PATH and PYTHONPATH and
"wraps" the paraview invocation. I also tried setting PYTHONNOUSERSITE
but that did not help.
Thanks, Shawn for the discussion and may this help someone else down the
line.
On 03/07/2018 01:05 PM, Martin Weinberg wrote:
> Okay . . . I figured out the problem but not the fix.
>
> The problem is: I installed some packages with pip, and python is
> prepending ~/.local/lib/python2.7/site-packages paths to PYTHONPATH even
> when I rewrite the that path in the shell.
>
> So if I temporarily rename ~/.local/lib/python2.7/site-packages to
> something else, the programmable filter works as expected.
>
> Any idea how to best handle this?
>
>
> On 03/07/2018 09:03 AM, Shawn Waldon wrote:
>> The only dependent package I can think of for python filters is numpy,
>> which is used in the dataset adapter code (VTK arrays are wrapped to
>> be numpy array-like). But that should be installed with the binaries
>> and you should get a failed import if it is missing.
>>
>> Shawn
>>
>> On Wed, Mar 7, 2018 at 8:57 AM, Martin Weinberg
>> <martin.d.weinberg at gmail.com <mailto:martin.d.weinberg at gmail.com>> wrote:
>>
>> Thanks. The data is definitely loaded; e.g. I can render with an
>> upstream filter.
>>
>> I wonder of I'm missing some dependent package on the problem
>> machine?
>>
>>
>> On March 7, 2018 8:26:13 AM EST, Shawn Waldon
>> <shawn.waldon at kitware.com <mailto:shawn.waldon at kitware.com>> wrote:
>>
>> Hi Martin,
>>
>> My first guess would be that your state file is trying to load
>> data that isn't there. Then when you run your programmable
>> filter inputs[0] is None and you get this error message. I
>> can't think of anything else that could be going wrong with
>> that script, especially since it works on one of your machines.
>>
>> HTH,
>> Shawn
>>
>> On Tue, Mar 6, 2018 at 6:16 PM, Martin Weinberg
>> <martin.weinberg at comcast.net
>> <mailto:martin.weinberg at comcast.net>> wrote:
>>
>> I have two nearly identical machine running Ubuntu 17.10.
>> The both have
>> the latest stable Paraview 5.4.1 from the download page
>> installed in /opt.
>>
>> I wrote a wrapper script like this:
>>
>> --------------------------------------------------------------------------------------------------------------------
>>
>> #!/bin/bash
>>
>> # PVHOME=/opt/ParaView-5.4.1-822-g597adef-Qt5-MPI-Linux-64bit
>> PVHOME=/opt/ParaView-5.4.1-Qt5-OpenGL2-MPI-Linux-64bit
>>
>> export PATH=$PVHOME/bin
>> export LD_LIBRARY_PATH=$PVHOME/lib/
>> export
>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PVHOME/lib/paraview-5.4/
>> export PYTHONPATH=$PVHOME/lib/python2.7/bin/
>> export
>> PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-packages/
>> export
>> PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-packages/vtk/
>> export
>> PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-packages/paraview/
>>
>> $PVHOME/bin/paraview
>> --------------------------------------------------------------------------------------------------------------------
>>
>> On each machine I start paraview and load a state that has a
>> programmable filter with the line:
>>
>> d0 = inputs[0].PointSet['d']
>>
>> One one machine, this works just fine. On the other
>> machine, I get the
>> following message in the Output:
>>
>> --------------------------------------------------------------------------------------------------------------------
>>
>> Traceback (most recent call last): File "", line 24, in
>> File "", line 2,
>> in RequestData TypeError: 'NoneType' object has no
>> attribute '__getitem__'
>>
>> BTW, this is just a test; obviously, my real filter does
>> something.
>>
>> I assume that some module is not being loaded here, but
>> I've tried
>> _everything_ I could think of and I'm not making
>> progress. Any ideas??
>>
>> --
>> Martin Weinberg
>> 6 Grass Hill Rd
>> <https://maps.google.com/?q=6+Grass+Hill+Rd+%0D%0AWest+Whately,+MA&entry=gmail&source=g>
>> West Whately, MA
>> 010039
>>
>>
>>
>> _______________________________________________
>> Powered by www.kitware.com <http://www.kitware.com>
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>> <http://www.kitware.com/opensource/opensource.html>
>>
>> Please keep messages on-topic and check the ParaView Wiki
>> at: http://paraview.org/Wiki/ParaView
>> <http://paraview.org/Wiki/ParaView>
>>
>> Search the list archives at:
>> http://markmail.org/search/?q=ParaView
>> <http://markmail.org/search/?q=ParaView>
>>
>> Follow this link to subscribe/unsubscribe:
>> https://public.kitware.com/mailman/listinfo/paraview
>> <https://public.kitware.com/mailman/listinfo/paraview>
>>
>>
>>
>> --
>> Martin Weinberg
>> 6 Grass Hill Rd
>> <https://maps.google.com/?q=6+Grass+Hill+Rd+%0D%0AWest+Whately,+MA&entry=gmail&source=g>
>> West Whately, MA
>>
>>
--
Martin Weinberg
6 Grass Hill Rd
West Whately, MA
010039
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 455 bytes
Desc: OpenPGP digital signature
URL: <https://public.kitware.com/pipermail/paraview/attachments/20180307/d5d17502/attachment.sig>
More information about the ParaView
mailing list