[vtkusers] Problems Installing VTK-Python on OSX

Ranveer Aggarwal ranveeraggarwal at gmail.com
Fri Mar 4 12:41:24 EST 2016


When I use the vtkpython executable and do an `import vtk`, it works.

On Fri, 4 Mar 2016 at 23:05 David Gobbi <david.gobbi at gmail.com> wrote:

> 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
>>
>
> --

Sincerely,
Ranveer Aggarwal
Indian Institute of Technology, Bombay
http://ranveeraggarwal.com
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