ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

Resolves bug-report http://bugs.openfoam.org/view.php?id=2098

ParaView-5.0.1/VTK/Parallel/MPI4Py/vtkMPI4PyCommunicator.cxx

@@ -0,0 +1,84 @@
+/*=========================================================================
+
+  Program:   Visualization Toolkit
+  Module:    vtkMPI4PyCommunicator.cxx
+
+  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
+  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notice for more information.
+
+=========================================================================*/
+
+#include "vtkMPI4PyCommunicator.h"
+
+#include "vtkObjectFactory.h"
+#include "vtkMPICommunicator.h"
+#include "vtkMPI.h"
+
+#include <mpi4py/mpi4py.h>
+
+vtkStandardNewMacro(vtkMPI4PyCommunicator);
+
+//----------------------------------------------------------------------------
+vtkMPI4PyCommunicator::vtkMPI4PyCommunicator()
+{
+}
+
+//----------------------------------------------------------------------------
+PyObject* vtkMPI4PyCommunicator::ConvertToPython(vtkMPICommunicator* comm)
+{
+  // Import mpi4py if it does not exist.
+  if (!PyMPIComm_New)
+    {
+    if (import_mpi4py() < 0)
+      {
+      Py_RETURN_NONE;
+      }
+    }
+
+  if (!comm || !comm->GetMPIComm())
+    {
+    Py_RETURN_NONE;
+    }
+
+  return PyMPIComm_New(*comm->GetMPIComm()->GetHandle());
+}
+
+//----------------------------------------------------------------------------
+vtkMPICommunicator* vtkMPI4PyCommunicator::ConvertToVTK(PyObject* comm)
+{
+  // Import mpi4py if it does not exist.
+  if (!PyMPIComm_Get)
+    {
+    if (import_mpi4py() < 0)
+      {
+      return NULL;
+      }
+    }
+
+  if (!comm || !PyObject_TypeCheck(comm, &PyMPIComm_Type))
+    {
+    return NULL;
+    }
+
+  MPI_Comm *mpiComm = PyMPIComm_Get(comm);
+  vtkMPICommunicator* vtkComm = vtkMPICommunicator::New();
+  vtkMPICommunicatorOpaqueComm opaqueComm(mpiComm);
+  if (!vtkComm->InitializeExternal(&opaqueComm))
+    {
+    vtkComm->Delete();
+    return NULL;
+    }
+
+  return vtkComm;
+}
+
+//----------------------------------------------------------------------------
+void vtkMPI4PyCommunicator::PrintSelf(ostream& os, vtkIndent indent)
+{
+  this->Superclass::PrintSelf(os,indent);
+}