From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: bug#22533: Python bytecode reproducibility
Date: Tue, 06 Mar 2018 15:43:11 +0100
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To: Marius Bakke <mbakke@fastmail.com>
Cc: 22533@debbugs.gnu.org


Ricardo Wurmus <rekado@elephly.net> writes:

> Marius Bakke <mbakke@fastmail.com> writes:
>
>> I suppose we'll have to set PYTHONHASHSEED somewhere in
>> python-build-system as well.  Did you check if that makes a difference
>> for numpy?  Perhaps it's enough to set it if we add an auto-compilation
>> step?
>
> Right, I=E2=80=99m going to test this with numpy now.  Thanks for the hin=
t!

It did help with one file, which is now built reproducibly, namely

  lib/python3.6/site-packages/numpy/testing/nose_tools/__pycache__/utils.cp=
ython-36.pyc

This leaves five files in numpy that shouldn=E2=80=99t be but unfortunately=
 are
different.

--
Ricardo

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