[Python-Dev] hash randomization in 3.3 (original) (raw)
Antoine Pitrou solipsis at pitrou.net
Tue Feb 21 23:07:10 CET 2012
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On Tue, 21 Feb 2012 22:51:48 +0100 "Martin v. Löwis" <martin at v.loewis.de> wrote:
Am 21.02.2012 20:59, schrieb Antoine Pitrou: > On Tue, 21 Feb 2012 14:58:41 -0500 > Benjamin Peterson <benjamin at python.org> wrote: >> 2012/2/21 Antoine Pitrou <solipsis at pitrou.net>: >>> >>> Hello, >>> >>> Shouldn't it be enabled by default in 3.3? >> >> Should you be able to disable it? > > PYTHONHASHSEED=0 should disable it. Do we also need a command-line > option?
On the contrary. PYTHONHASHSEED should go in 3.3, as should any facility to disable or otherwise fix the seed.
Being able to reproduce exact output is useful to chase sporadic test failures (as with the --randseed option to regrtest).
Regards
Antoine.
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