[pygtk] How Do I Get gtk.gdk.Pixbuf to release memory?

[Jeff Bowden]

I can't find anything in the API to tell it to let go and just letting 
pixbuf object go out of scope doesn't seem to do the trick.  I have a 
picture thumbnail display list that just eats up memory until the OOM 
killer gets it.  It loads the images using gtk.gdk.pixbuf_new_from_file 
and then creates a rescaled copy using scale_simple.  The rescaled copy 
is then passed to an ListStore.append.

I suppose it's possible that the (smaller) copy is somehow the same size 
as the original, which would explain the memory consumption, so the bug 
might be in scale_simple.  But I was just wondering if this is a known 
problem or what.  I can't find anything about it other than an 
unanswered message to this list a few months ago.

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