[issue28180] sys.getfilesystemencoding() should default to utf-8

[Barry A. Warsaw]

Barry A. Warsaw added the comment:

On Jan 05, 2017, at 11:11 AM, STINNER Victor wrote:

>I'm sure that many Linux, UNIX and BSD systems don't have the "C.UTF-8"
>locale. For example, HP-UX has "C.utf8" which is not exactly "C.UTF-8".
>
>I'm not sure that it's ok in 2017 to always force the UTF-8 encoding if the
>user locale uses a different encoding.

It's not just any different encoding, it's specifically C (implicitly,
C.ASCII).

>I proposed an opt-in option to force UTF-8: -X utf8 command line option and
>PYTHONUTF8=1 env var. Opt-in will obviously reduce the risk of backward
>compatibility issues. With an opt-in option, users are better prepared for
>mojibake issues.

If this is true, then I would like a configuration option to default this on.
As mentioned, Debian and Ubuntu already have C.UTF-8 and most environments
(although not all, see my sbuild/schroot comment earlier) will at least be
C.UTF-8.  Perhaps it doesn't matter then, but what I really want is that for
those few odd outliers (e.g. schroot), Python would act the same inside and
out those environments.  I really don't want people to have to add that envar
or switch (or even export LC_ALL) to get proper build behavior.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28180>
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