Except one typo I commented on Github, I accept PEP 540. Well done, Victor and Nick for PEP 540 and 538. Python 3.7 will be most UTF-8 friendly Python 3 than ever.
INADA Naoki <songofaca...@gmail.com> On Mon, Dec 11, 2017 at 2:21 AM, Victor Stinner <victor.stin...@gmail.com> wrote: > Ok, I fixed the effects of the locale coercion (PEP 538). Does it now > look good to you, Naoki? > > https://www.python.org/dev/peps/pep-0540/#relationship-with-the-locale-coercion-pep-538 > > The commit: > > https://github.com/python/peps/commit/71cda51fbb622ece63f7a9d3c8fa6cd33ce06b58 > > diff --git a/pep-0540.txt b/pep-0540.txt > index 0a9cbc1e..c163916d 100644 > --- a/pep-0540.txt > +++ b/pep-0540.txt > @@ -144,9 +144,15 @@ The POSIX locale enables the locale coercion (PEP > 538) and the UTF-8 > mode (PEP 540). When the locale coercion is enabled, enabling the UTF-8 > mode has no (additional) effect. > > -Locale coercion only impacts non-Python code like C libraries, whereas > -the Python UTF-8 Mode only impacts Python code: the two PEPs are > -complementary. > +The UTF-8 has the same effect than locale coercion: > +``sys.getfilesystemencoding()`` returns ``'UTF-8'``, > +``locale.getpreferredencoding()`` returns ``UTF-8``, ``sys.stdin`` and > +``sys.stdout`` error handler set to ``surrogateescape``. These changes > +only affect Python code. But the locale coercion has addiditonal > +effects: the ``LC_CTYPE`` environment variable and the ``LC_CTYPE`` > +locale are set to a UTF-8 locale like ``C.UTF-8``. The side effect is > +that non-Python code is also impacted by the locale coercion. The two > +PEPs are complementary. > > On platforms where locale coercion is not supported like Centos 7, the > POSIX locale only enables the UTF-8 Mode. In this case, Python code uses > > Victor > > > 2017-12-10 5:47 GMT+01:00 INADA Naoki <songofaca...@gmail.com>: >> Now I'm OK to accept the PEP, except one nitpick. >> >>> >>> Locale coercion only impacts non-Python code like C libraries, whereas >>> the Python UTF-8 Mode only impacts Python code: the two PEPs are >>> complementary. >>> >> >> This sentence seems bit misleading. >> If UTF-8 mode is disabled explicitly, locale coercion affects Python code >> too. >> locale.getpreferredencoding() is UTF-8, open()' s default encoding is UTF-8, >> and stdio is UTF-8/surrogateescape. >> >> So shouldn't this sentence is: "Locale coercion impacts both of Python code >> and non-Python code like C libraries, whereas ..."? >> >> INADA Naoki <songofaca...@gmail.com> _______________________________________________ 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
