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Fri May 6 22:07:30 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-May/111257.html

On Fri, 06 May 2011 19:51:31 +0200, =?UTF-8?Q?=C3=89ric_Araujo?= <merwok at netwok.org> wrote:
> regrtest helpfully reports when a test leaves the environment unclean
> (sys.path, os.environ, logging._handlerList), but I think the
> implementation is buggy: it compares object identity and then value.
> Why is comparing identity useful?  Iâ€™d just use ==.  It makes writing
> cleanup code easier (just use addCleanup(setattr, obj, 'attr',
> copy(obj.attr))).

Well, the implementation is intentional.  Nick (I think) added the
identity check, and he had a reason at the time.  I don't remember what
it was, though.

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R. David Murray           http://www.bitdance.com

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[Python-Dev] Problems with regrtest and with logging