[Python-Dev] PEP 540: Add a new UTF-8 mode (v3)

Victor Stinner victor.stinner at gmail.com
Sun Dec 10 04:57:32 EST 2017


Le 10 déc. 2017 05:48, "INADA Naoki" <songofacandy at gmail.com> a écrit :

Now I'm OK to accept the PEP, except one nitpick.

I got a private email about the same issue. I don't think that it's
nitpicking since many people were confused about the relationship between
the PEP 538 and PEP 540. So it seems like I was confused as well :-) I was
also confused because my PEP evolved quickly. With the additionnal
local.getpreferredenconding() change in my PEP, the two PEP became even
more similar.

> 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
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 ..."?

Right. I will rephrase it.

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