[vtkusers] Problems Installing VTK-Python on OSX

[David Gobbi]

You should also try the executable that VTK built (bin/vtkpython) to see if
it gives a different result from running python3 directly.

On Fri, Mar 4, 2016 at 10:31 AM, Ranveer Aggarwal <ranveeraggarwal at gmail.com
> wrote:

> Hi David,
>
> I looked all over CMakeCache.txt and didn't find any instance of
> "python2".
> Any other possible fix?
>
> If not, I'll try Bernard's solution.
>
> Thanks for your suggestions :)
>
> On Fri, 4 Mar 2016 at 19:05 David Gobbi <david.gobbi at gmail.com> wrote:
>
>> Hi Ranveer,
>>
>> The error "PyThreadState_Get: no current thread" almost always means that
>> VTK was linked to the wrong version of Python.  I know you said that you
>> checked this, but I recommend that you load CMakeCache.txt into a text
>> editor and do a thorough search to make sure that "python2" does not appear
>> anywhere.  My own OS X system builds VTK against Python 3.5.
>>
>>  - David
>>
>>
>> On Fri, Mar 4, 2016 at 12:25 AM, Ranveer Aggarwal <
>> ranveeraggarwal at gmail.com> wrote:
>>
>>> Hello all,
>>>
>>> I have been struggling with this problem for quite some time now. Here's
>>> what I did.
>>>
>>> 1. Downloaded source tar.gz and untarred it.
>>> 2. Went to the downloaded folder and made a build folder and ran ccmake
>>> .. in it.
>>> 3. Set Python Wrapping to on and set Python version as 3.5. Went to
>>> advanced options and appropriately set all the Python 3.5 libraries.
>>> 4. Generated the cmake and ran it.
>>> 5. Ran make and then make install
>>> 6. Added
>>> "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/vtk/"
>>> to PYTHONPATH.
>>>
>>> Now, when I run python3 and do an `import vtk`, I get
>>>
>>> Fatal Python error: PyThreadState_Get: no current thread
>>> Segmentation fault: 11
>>>
>>> and Python crashes. Any idea why this could be happening? Any help would
>>> be highly appreciated.
>>> --
>>>
>>> Sincerely,
>>> Ranveer Aggarwal
>>> Indian Institute of Technology, Bombay
>>> http://ranveeraggarwal.com
>>>
>> --
>
> Sincerely,
> Ranveer Aggarwal
> Indian Institute of Technology, Bombay
> http://ranveeraggarwal.com
>
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