config/patches/paraview.001_against_multiple_py_sv_thr.patch

   1 diff -ruN ParaView/VTK/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx ParaView_new/VTK/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx
   2 --- ParaView/VTK/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx   2019-05-28 08:19:55.673481437 +0200
   3 +++ ParaView_new/VTK/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx       2019-05-28 08:08:21.000000000 +0200
   4 @@ -260,8 +260,11 @@
   5      vtkPythonInterpreter::InitializedOnce = true;
   6
   7  #ifdef VTK_PYTHON_FULL_THREADSAFE
   8 -    PyEval_InitThreads(); // safe to call this multiple time
   9 -    PyEval_SaveThread(); // release GIL
  10 +    if(PyEval_ThreadsInitialized() == 0)
  11 +    {
  12 +      PyEval_InitThreads(); // safe to call this multiple time
  13 +      PyEval_SaveThread(); // release GIL
  14 +    }
  15  #endif
  16
  17      // HACK: Calling PyRun_SimpleString for the first time for some reason results in