[vtk-developers] Adding a GIL ensure call before all call to python

[David E DeMarle]

This was the commit I was referring to.
http://review.source.kitware.com/#/c/11214/

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Fri, Jul 3, 2015 at 8:47 AM, David E DeMarle <dave.demarle at kitware.com>
wrote:

> Careful there. We took something very much like that out at ParaView 4.0.
> The GIL made ParaView incompatible with many python packages. When I get to
> my desk I can check my notes and refresh my memory.
> On Jul 3, 2015 5:56 AM, "Mathieu Westphal" <mathieu.westphal at kitware.com>
> wrote:
>
>> A client requesting us to apply a patch to paraview so every single call
>> to python
>> (PyRun, Py_Decref, PyImport, PyObject, PyString... ) to be surrounded by
>> PyGILState_Ensure
>> PyGILState_Release
>>
>> if VTK_NO_PYTHON_THREADS is not defined.
>>
>> is this acceptable ? some python calls are already done like that, see
>> vtkPythonUtil.cxx.
>>
>> This option is defined to 1 by default.
>>
>>
>> Mathieu Westphal
>>
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