On Fri, Sep 10, 2010 at 14:55, Daniel Stutzbach <daniel at stutzbachenterprises.com> wrote: > On Fri, Sep 10, 2010 at 3:32 PM, Georg Brandl <g.brandl at gmx.net> wrote: >> >> IMO this runs contrary to the decision we made when DeprecationWarnings >> were >> made silent by default: it spews messages not only at developers, but also >> at >> users, who don't need it and probably are going to be quite confused by >> it, >> assuming it came from their console application (imagine Mercurial >> printing >> this). > > A non-empty gc.garbage often indicates that there is a bug in the program > and that it is probably leaking memory [1]. That's a little different from > a DeprecationWarning which doesn't indicate a bug; it just indicates that > the program might not run correctly using a future version of Python. I > think a better comparison would be with exceptions throw from a __del__, > which (as far as I know) are still printed to the console. > Sure, but exceptions printed out by a __del__ method during interpreter shutdown are not explicitly done as part of the shutdown process, they just happen to typically be triggered by a shutdown. This gc info, OTOH, is explicitly debugging information that is only printed out (typically) at shutdown and thus at a point where it will no longer effect semantics or the performance of the application. So I view this as entirely debugging information and thus in no way critical for a user to know about. -Brett > +1 on adding a way to enable/disable the feature. > -1 on removing the feature > -0 on making it disabled by default > > [1] I know that some large, long-running programs periodically check > gc.garbage and carefully choose where to break cycles, but those are the > exception and not the rule. > -- > Daniel Stutzbach, Ph.D. > President, Stutzbach Enterprises, LLC > > _______________________________________________ > Python-Dev mailing list > Python-Dev at python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/brett%40python.org > >
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