On Mon, 31 Dec 2012 10:25:25 +1300
Greg Ewing <greg.ew...@canterbury.ac.nz> wrote:
> Richard Oudkerk wrote:
> > Personally I would like to get rid of the "purge globals" behaviour for 
> > modules deleted before shutdown has started: if someone manipulates 
> > sys.modules then they can just call gc.collect() if they want to 
> > promptly get rid of orphaned reference cycles.
> 
> Now that we have cyclic gc, is there any need for the
> shutdown purge at all?

If you have an object with a __del__ method as a module global, the
cyclic gc will refuse to consider the module globals at all (which
means it will affect unrelated objects).

So, yes, I think the shutdown purge is still necessary. Perhaps there
are ways to make it smarter.

Regards

Antoine.


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