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[OpenFOAM.org] set up python path for python in paraview compiled with openfoam

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Old   October 18, 2015, 06:22
Default set up python path for python in paraview compiled with openfoam
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sean read
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I'm trying to get paraview working in external python environments such as idle, from what I've read it's simply a matter of adding a couple of bits to the python path.

I'm using linux mint 17.2.

How do I locate the directories that need to be added to the python path?

I am using OpenFOAM 2.4
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Old   October 24, 2015, 15:18
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Quick answer: If you are using the "paraviewopenfoam410" Debian package, it does not have Python support built into it

Edit: WAIT! I was wrong! This package already has it! The folder that needs to be added the PYTHON search path is this:
Code:
/opt/paraviewopenfoam410/lib/paraview-4.1/site-packages

Last edited by wyldckat; October 24, 2015 at 15:24. Reason: see "Edit:"
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Old   October 24, 2015, 19:05
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hey Bruno,

Thanks for getting back to me,

I didn't use the debian package - it wouldn't install on linux mint - I compiled myself, python is working fine in pvpython. Where would be the equivalent directory as compiled according to the instructions at http://www.openfoam.org/download/git.php?
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Old   October 25, 2015, 07:52
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Quick answer: Mmm... that reminds me that we can use a more generic path that should give us the path in any installation of OpenFOAM with ParaView 4.1.0:
Code:
$ParaView_DIR/lib/paraview-4.1/site-packages
And when in doubt, double-check it with these commands:
Code:
echo $ParaView_DIR/lib/paraview-4.1/site-packages
ls -l $ParaView_DIR/lib/paraview-4.1/site-packages
If by any change it doesn't work as intended, the path in 64-bit installation for 2.4.x with the system's GCC is:
Code:
$HOME/OpenFOAM/ThirdParty-2.4.x/platforms/linux64Gcc/ParaView-4.1.0/lib/paraview-4.1/site-packages
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Old   October 25, 2015, 18:52
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thanks Bruno, That did the trick just fine!
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Old   October 25, 2015, 21:05
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wait, check that, so now I can import paraview no worries, but paraview.simple is still giving an error "No module named vtkCommonCorePython". I checked the site-packages/vtk directory, there is a binary file called vtkCommonCorePython.so, but no .py file. Does this mean that my lib is missing files?

Last edited by seanread; October 25, 2015 at 23:05.
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Old   October 31, 2015, 07:28
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Quick answer: Googled:
Code:
ImportError: No module named vtkCommonCorePython
Got this: http://stackoverflow.com/a/24412030
Therefore, the solution is this:
Code:
export PYTHONPATH=$ParaView_DIR/lib/paraview-4.1/site-packages:$ParaView_DIR/lib/paraview-4.1/site-packages/vtk
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Old   October 31, 2015, 20:20
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Thanks Bruno, that got it working, I saw this thread but didn't think to change to the site-packages in the paraview path
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