https://github.com/python/cpython/commit/1c984ba953e140b88ff890dbe1408f9611027444 commit: 1c984ba953e140b88ff890dbe1408f9611027444 branch: main author: sobolevn <[email protected]> committer: sobolevn <[email protected]> date: 2025-09-14T20:00:03+03:00 summary:
gh-136355: Deprecate `-b` and `-bb` CLI flags in 3.15 (#136363) Co-authored-by: Victor Stinner <[email protected]> Co-authored-by: Stan Ulbrych <[email protected]> files: A Misc/NEWS.d/next/C_API/2025-09-14-14-44-24.gh-issue-136355.LCaYyC.rst A Misc/NEWS.d/next/Core_and_Builtins/2025-07-07-12-24-00.gh-issue-136355.MTcA8j.rst M Doc/c-api/init_config.rst M Doc/using/cmdline.rst M Doc/whatsnew/3.15.rst M Python/initconfig.c diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst index 4f0199838e151d..b20495e672dd75 100644 --- a/Doc/c-api/init_config.rst +++ b/Doc/c-api/init_config.rst @@ -1278,6 +1278,11 @@ PyConfig Default: ``0``. + .. deprecated-removed:: 3.15 3.17 + + The :option:`-b` and :option:`!-bb` options will become no-op in 3.17. + :c:member:`~PyConfig.bytes_warning` member will be removed in 3.17. + .. c:member:: int warn_default_encoding If non-zero, emit a :exc:`EncodingWarning` warning when :class:`io.TextIOWrapper` diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst index 448f2725e9a3db..3f8b52e2345b25 100644 --- a/Doc/using/cmdline.rst +++ b/Doc/using/cmdline.rst @@ -254,6 +254,15 @@ Miscellaneous options .. versionchanged:: 3.5 Affects also comparisons of :class:`bytes` with :class:`int`. + .. deprecated:: 3.15 + + Deprecate :option:`-b` and :option:`!-bb` command line options + and schedule them to become no-op in Python 3.17. + These were primarily helpers for the Python 2 -> 3 transition. + Starting with Python 3.17, no :exc:`BytesWarning` will be raised + for these cases; use a type checker instead. + + .. option:: -B If given, Python won't try to write ``.pyc`` files on the diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index 1d029e3914baf5..9031301989e396 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -537,6 +537,17 @@ module_name Deprecated ========== +CLI +--- + +* Deprecate :option:`-b` and :option:`!-bb` command line options + and schedule them to become no-op in Python 3.17. + These were primarily helpers for the Python 2 -> 3 transition. + Starting with Python 3.17, no :exc:`BytesWarning` will be raised + for these cases; use a type checker instead. + + (Contributed by Nikita Sobolev in :gh:`136355`.) + hashlib ------- @@ -775,6 +786,10 @@ Deprecated C APIs :c:func:`_Py_c_abs` are :term:`soft deprecated`. (Contributed by Sergey B Kirpichev in :gh:`128813`.) +* :c:member:`~PyConfig.bytes_warning` is deprecated + since 3.15 and will be removed in 3.17. + (Contributed by Nikita Sobolev in :gh:`136355`.) + .. Add C API deprecations above alphabetically, not here at the end. diff --git a/Misc/NEWS.d/next/C_API/2025-09-14-14-44-24.gh-issue-136355.LCaYyC.rst b/Misc/NEWS.d/next/C_API/2025-09-14-14-44-24.gh-issue-136355.LCaYyC.rst new file mode 100644 index 00000000000000..44537729b3f0a3 --- /dev/null +++ b/Misc/NEWS.d/next/C_API/2025-09-14-14-44-24.gh-issue-136355.LCaYyC.rst @@ -0,0 +1,2 @@ +Deprecate :c:member:`PyConfig.bytes_warning` field and schedule its removal +in 3.17. diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-07-07-12-24-00.gh-issue-136355.MTcA8j.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-07-12-24-00.gh-issue-136355.MTcA8j.rst new file mode 100644 index 00000000000000..dd6bd28c3ff02b --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-07-12-24-00.gh-issue-136355.MTcA8j.rst @@ -0,0 +1,2 @@ +Deprecate :option:`-b` and :option:`!-bb` command line options +and schedule them to become no-op in Python 3.17. diff --git a/Python/initconfig.c b/Python/initconfig.c index efb276ac680ed9..5dc68eb4ec2cca 100644 --- a/Python/initconfig.c +++ b/Python/initconfig.c @@ -258,6 +258,7 @@ static const char usage_help[] = "\ Options (and corresponding environment variables):\n\ -b : issue warnings about converting bytes/bytearray to str and comparing\n\ bytes/bytearray with str or bytes with int. (-bb: issue errors)\n\ + deprecated since 3.15 and will become no-op in 3.17.\n\ -B : don't write .pyc files on import; also PYTHONDONTWRITEBYTECODE=x\n\ -c cmd : program passed in as string (terminates option list)\n\ -d : turn on parser debugging output (for experts only, only works on\n\ _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
