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[Python-Dev] Reproducible output (Re: Is XML serialization output guaranteed to be bytewise identical forever?)

On Thu, 21 Mar 2019 01:46:14 +0100
Victor Stinner <vstinner at redhat.com> wrote:
> Getting the same output on Python 3.7 and Python 3.8 is also matter
> for https://reproducible-builds.org/

If you want reproducible output, you should settle on a well-known
version of Python.  You don't expect two different versions of gcc to
produce the exact same binary.  Even compression utilities (such as
gzip, xz...) can get improvements over time that change the binary
output, for example making it smaller.