[issue16322] time.tzname on Python 3.3.0 for Windows is decoded by wrong encoding

[STINNER Victor]

STINNER Victor added the comment:

>I see in 3.3 PyUnicode_DecodeFSDefaultAndSize() was replaced
> by PyUnicode_DecodeLocale().

Related changes:

 - 8620e6901e58 for the issue #5905
 - 279b0aee0cfb for the issue #13560

I wrote 8620e6901e58 for Linux, when the wcsftime() function is missing.

The problem is the changeset 279b0aee0cfb: it introduces a regression on Windows. It looks like PyUnicode_DecodeFSDefault() and PyUnicode_DecodeFSDefault() use a different encoding on Windows.

I suppose that we need to add an #ifdef MS_WINDOWS to use PyUnicode_DecodeFSDefault() on Windows, and PyUnicode_DecodeFSDefault() on Linux.

See also the issue #10653: time.strftime() uses strftime() (bytes) instead of wcsftime() (unicode) on Windows, because wcsftime() and tzname format the timezone differently.

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<http://bugs.python.org/issue16322>
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