[vtk-developers] Patch for vtkPythonUtil.cxx

[Charl Botha]

2008/8/3 Prabhu Ramachandran <prabhu at aero.iitb.ac.in>:
>> I ran into a bug that causes a crash on some VTK-Python apps at exit. It
>> is hard to reproduce with a small test case but reproducible in some TVTK
>> scripts I have.  Basically, what seems to happen is that if there is a VTK
>> object on which you have a Python callback via an event notification, say
>> "ModifiedEvent" or "DeleteEvent", then it is possible (with VTK 5.2/5.3) for
>> the callback to be called *after* PyFinalize is called.  This will cause a
>> segfault.  The patch just checks to see if the interpreter is initialized
>> and if not return.  This avoids the problem.

Funny coincidence.  I just ran into this with a vtkProgrammableFilter.
:)  Thanks for fixing.