On Thu, Nov 13, 2014 at 10:50 AM, MRAB <python@mrabarnett.plus.com> wrote:

There's some code in this that you might find useful:

http://permalink.gmane.org/gmane.comp.python.ideas/20334

thanks -- that does look kind of like what I was thinking I'd need to do -- but in the long run what the gc to do it for me (which maybe it does in py3.4) 

But maybe I'll patch the netCDF lib with something like that -- folks will be using py < 3.4 for a long time yet :-(