PyGTK GC (was Re: [pygtk] Compiling PyGTK2)

[John Finlay]

What is the thinking behind the PyGTK GC mechanism? I've looked at the code but don't think that I understand it. What I see is that PyGTK widgets that are GObjects are viewed as Python containers and the Python GC system is used to track and presumably dispose of them. It seems that PyGTK objects are not GC'd if they have a GTK reference which keeps alive unreferenced (in Python) widgets that are added to a GTK container. What other things am I missing in understanding the PyGTK memory management?

As Thomas Leonard points out there is a problem with handling cyclic references involving signal handler closures that reference the Python object. Are there other problems?

Thanks

John

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