From: Serhiy Storchaka Date: Wed, 22 Jul 2026 12:07:08 +0000 (+0300) Subject: gh-154460: Do not use wcsftime() on OpenBSD (#154461) X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=f195b2e3edec8f770abdd013906379bf49176a5b;p=thirdparty%2FPython%2Fcpython.git gh-154460: Do not use wcsftime() on OpenBSD (#154461) Co-authored-by: Claude Opus 4.8 Co-authored-by: Stan Ulbrych --- diff --git a/Misc/NEWS.d/next/Library/2026-07-22-13-00-00.gh-issue-154460.wCsFtM.rst b/Misc/NEWS.d/next/Library/2026-07-22-13-00-00.gh-issue-154460.wCsFtM.rst new file mode 100644 index 000000000000..b0a7058f0519 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2026-07-22-13-00-00.gh-issue-154460.wCsFtM.rst @@ -0,0 +1,2 @@ +Fix :func:`time.strftime` and :meth:`datetime.datetime.strftime` returning a +wrong ISO 8601 week number (``%V``) on OpenBSD. diff --git a/Modules/timemodule.c b/Modules/timemodule.c index d90bf1f2ef90..70d7e1b37136 100644 --- a/Modules/timemodule.c +++ b/Modules/timemodule.c @@ -763,6 +763,13 @@ Other codes may be available on your platform. See documentation for\n\ the C library strftime function.\n" #ifdef HAVE_STRFTIME +// gh-154460: OpenBSD's wcsftime() computes %V incorrectly: it returns 53 +// whenever the ISO 8601 week belongs to a different year than tm_year. +// strftime() is not affected. +#ifdef __OpenBSD__ +# undef HAVE_WCSFTIME +#endif + #ifdef HAVE_WCSFTIME #define time_char wchar_t #define format_time wcsftime