Function _GetController

Wrapping/Python/vtkmodules/test/rtImageTest.py:12–23

()

import traceback

def _GetController():
    try:
        from vtkmodules.vtkParallelMPI import vtkMPIController
        controller = vtkMPIController();

        # If MPI was not initialized, we do not want to use MPI
        if not controller.GetCommunicator():
            return None
        return controller
    except:
        pass
    return None

def main(test_script):
    """Run a regression test, and compare the contents of the window against