[vtk-developers] [VTK 0013409]: Python memory leak for observers
Mantis Bug Tracker
mantis at public.kitware.com
Wed Aug 29 19:34:54 EDT 2012
The following issue has been SUBMITTED.
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http://www.vtk.org/Bug/view.php?id=13409
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Reported By: David Gobbi
Assigned To: David Gobbi
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Project: VTK
Issue ID: 13409
Category: (No Category)
Reproducibility: have not tried
Severity: minor
Priority: normal
Status: tabled
Project: TBD
Type: performance
Resolution: open
Fixed in Version:
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Date Submitted: 2012-08-29 17:34 MDT
Last Modified: 2012-08-29 17:34 MDT
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Summary: Python memory leak for observers
Description:
The PyVTKObject does not check for reference cycles in its observers, even for
things as simple as an observer that is a method of the object itself. The
place for the checks to be performed is PyVTKObject_Traverse, which can check
each observer to see if it is a vtkPythonCommand, and if so, traverse its "obj"
member which is a python object. This will allow simple reference cycles to be
broken.
More complex reference cycles would require a special vtkPythonGarbageCollector
class that could use VTK's ReportReferences function to traverse VTK's reference
tree, looking for python objects.
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Issue History
Date Modified Username Field Change
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2012-08-29 17:34 David Gobbi New Issue
2012-08-29 17:34 David Gobbi Status backlog => tabled
2012-08-29 17:34 David Gobbi Assigned To => David Gobbi
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