On 24 May 2017 at 02:34, Nick Coghlan <ncogh...@gmail.com> wrote: > On 23 May 2017 at 18:38, INADA Naoki <songofaca...@gmail.com> wrote: >> Would you add example demonstrates how coercing LANG helps people? > > I'm honestly not sure it does - I think it's an assumption I added to > the PEP early on, and never actually tested. Looking at it more > closely now, all of the interpreter level checks are specifically for > LC_CTYPE, and experimenting with "LANG=C LC_CTYPE=C.UTF-8" indicates > that coercing only LC_CTYPE is still enough to fix the GNU readline > encoding compatibility problem covered in > https://www.python.org/dev/peps/pep-0538/#considering-locale-coercion-independently-of-utf-8-mode > > So I'll take another pass through the implementation this weekend, and > simplify it to only set LC_CTYPE regardless of whether it's using > C.UTF-8, C.utf8, or UTF-8 as the target locale. Assuming that doesn't > uncover any hidden problems with the idea, I'll then update the PEP to > match.
I've now gone through this, and as far as I can tell, setting only LC_CTYPE is sufficient to handle all the scenarios that the PEP aims to address, and has fewer potential side effects than setting both LC_CTYPE and LANG. Accordingly, I've updated both the PEP and the implementation to only set LC_CTYPE and leave LANG alone: * PEP: https://github.com/python/peps/commit/12cecb05489e74a36a11c17e8d0b1e36e3768bda * Implementation: https://github.com/python/cpython/pull/659/commits/939ba0a77d4b52a04315c129f9db89b90c0532cd Regards, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
