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

[Mathieu Westphal]

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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