diff options
| author | Adam Turner <9087854+AA-Turner@users.noreply.github.com> | 2023-09-27 04:59:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-09-27 04:59:42 (GMT) |
| commit | 0e28d0f7a1bc3776cc07e0f8b91bc43fcdbb4206 (patch) | |
| tree | 3c140f54beca9d84e0cb57a2054d0eb7e327560d /Doc/whatsnew/3.12.rst | |
| parent | e721f7a95186452339dc9e57630d639d549b2521 (diff) | |
| download | cpython-0e28d0f7a1bc3776cc07e0f8b91bc43fcdbb4206.zip cpython-0e28d0f7a1bc3776cc07e0f8b91bc43fcdbb4206.tar.gz cpython-0e28d0f7a1bc3776cc07e0f8b91bc43fcdbb4206.tar.bz2 | |
GH-109190: Copyedit 3.12 What's New: Deprecations (``os`` fix) (#109927)
Merge the two ``os`` entries
Diffstat (limited to 'Doc/whatsnew/3.12.rst')
| -rw-r--r-- | Doc/whatsnew/3.12.rst | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index dfe2ea8..cad8dd7 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -1114,12 +1114,6 @@ Deprecated volume and maintenance burden. (Contributed by Raymond Hettinger in :gh:`101588`.) -* :mod:`os`: The ``st_ctime`` fields return by :func:`os.stat` and :func:`os.lstat` on - Windows are deprecated. In a future release, they will contain the last - metadata change time, consistent with other platforms. For now, they still - contain the creation time, which is also available in the new ``st_birthtime`` - field. (Contributed by Steve Dower in :gh:`99726`.) - * :mod:`multiprocessing`: In Python 3.14, the default :mod:`multiprocessing` start method will change to a safer one on Linux, BSDs, and other non-macOS POSIX platforms where ``'fork'`` is currently @@ -1140,15 +1134,23 @@ Deprecated proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14. (Contributed by Soumendra Ganguly and Gregory P. Smith in :gh:`85984`.) -* :mod:`os`: On POSIX platforms, :func:`os.fork` can now raise a - :exc:`DeprecationWarning` when it can detect being called from a - multithreaded process. There has always been a fundamental incompatibility - with the POSIX platform when doing so. Even if such code *appeared* to work. - We added the warning to to raise awareness as issues encounted by code doing - this are becoming more frequent. See the :func:`os.fork` documentation for - more details along with `this discussion on fork being incompatible with threads - <https://discuss.python.org/t/33555>`_ for *why* we're now surfacing this - longstanding platform compatibility problem to developers. +* :mod:`os`: + + * The ``st_ctime`` fields return by :func:`os.stat` and :func:`os.lstat` on + Windows are deprecated. In a future release, they will contain the last + metadata change time, consistent with other platforms. For now, they still + contain the creation time, which is also available in the new ``st_birthtime`` + field. (Contributed by Steve Dower in :gh:`99726`.) + + * On POSIX platforms, :func:`os.fork` can now raise a + :exc:`DeprecationWarning` when it can detect being called from a + multithreaded process. There has always been a fundamental incompatibility + with the POSIX platform when doing so. Even if such code *appeared* to work. + We added the warning to to raise awareness as issues encounted by code doing + this are becoming more frequent. See the :func:`os.fork` documentation for + more details along with `this discussion on fork being incompatible with threads + <https://discuss.python.org/t/33555>`_ for *why* we're now surfacing this + longstanding platform compatibility problem to developers. When this warning appears due to usage of :mod:`multiprocessing` or :mod:`concurrent.futures` the fix is to use a different |