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[3.11] gh-95913: Prepare Improved Modules in 3.11 WhatsNew for final edits (GH-98631) #98652

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Oct 25, 2022
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[3.11] gh-95913: Prepare Improved Modules in 3.11 WhatsNew for final edits (GH-98631) #98652

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113 changes: 91 additions & 22 deletions Doc/whatsnew/3.11.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -615,12 +615,18 @@ asyncio
These are primarily intended for internal use,
notably by :class:`~asyncio.TaskGroup`.


.. _whatsnew311-contextlib:

contextlib
----------

Added non parallel-safe :func:`~contextlib.chdir` context manager to change
the current working directory and then restore it on exit. Simple wrapper
around :func:`~os.chdir`. (Contributed by Filipe Laíns in :issue:`25625`)
* Added non parallel-safe :func:`~contextlib.chdir` context manager to change
the current working directory and then restore it on exit. Simple wrapper
around :func:`~os.chdir`. (Contributed by Filipe Laíns in :issue:`25625`)


.. _whatsnew311-dataclasses:

dataclasses
-----------
Expand All @@ -630,11 +636,15 @@ dataclasses
:class:`dict`, :class:`list` or :class:`set`. (Contributed by Eric V. Smith in
:issue:`44674`.)


.. _whatsnew311-datetime:

datetime
--------

* Add :attr:`datetime.UTC`, a convenience alias for
:attr:`datetime.timezone.utc`. (Contributed by Kabir Kwatra in :gh:`91973`.)

* :meth:`datetime.date.fromisoformat`, :meth:`datetime.time.fromisoformat` and
:meth:`datetime.datetime.fromisoformat` can now be used to parse most ISO 8601
formats (barring only those that support fractional hours and minutes).
Expand All @@ -659,7 +669,7 @@ enum
(used by :func:`str`, :func:`format` and :term:`f-string`\s).

* Changed :class:`~enum.IntEnum`, :class:`~enum.IntFlag` and :class:`~enum.StrEnum`
to now inherit from :class:`ReprEnum`,
to now inherit from :class:`~enum.ReprEnum`,
so their :func:`str` output now matches :func:`format`
(both ``str(AnIntEnum.ONE)`` and ``format(AnIntEnum.ONE)`` return ``'1'``,
whereas before ``str(AnIntEnum.ONE)`` returned ``'AnIntEnum.ONE'``.
Expand Down Expand Up @@ -709,6 +719,18 @@ enum
inverted flags are coerced to their positive equivalent.


.. _whatsnew311-fcntl:

fcntl
-----

* On FreeBSD, the :data:`!F_DUP2FD` and :data:`!F_DUP2FD_CLOEXEC` flags respectively
are supported, the former equals to ``dup2`` usage while the latter set
the ``FD_CLOEXEC`` flag in addition.


.. _whatsnew311-fractions:

fractions
---------

Expand All @@ -719,6 +741,9 @@ fractions
that an ``isinstance(some_fraction, typing.SupportsInt)`` check passes.
(Contributed by Mark Dickinson in :issue:`44547`.)


.. _whatsnew311-functools:

functools
---------

Expand Down Expand Up @@ -749,6 +774,9 @@ functools

(Contributed by Yurii Karabas in :issue:`46014`.)


.. _whatsnew311-hashlib:

hashlib
-------

Expand All @@ -767,6 +795,9 @@ hashlib
of files or file-like objects.
(Contributed by Christian Heimes in :gh:`89313`.)


.. _whatsnew311-idle:

IDLE and idlelib
----------------

Expand Down Expand Up @@ -804,6 +835,9 @@ inspect

(Contributed by Pablo Galindo in :gh:`88116`.)


.. _whatsnew311-locale:

locale
------

Expand Down Expand Up @@ -831,6 +865,8 @@ logging
(Contributed by Kirill Pinchuk in :gh:`88457`.)


.. _whatsnew311-math:

math
----

Expand All @@ -850,6 +886,8 @@ math
(Contributed by Victor Stinner in :issue:`46917`.)


.. _whatsnew311-operator:

operator
--------

Expand All @@ -858,6 +896,8 @@ operator
(Contributed by Antony Lee in :issue:`44019`.)


.. _whatsnew311-os:

os
--

Expand All @@ -866,6 +906,8 @@ os
(Contributed by Dong-hee Na in :issue:`44611`.)


.. _whatsnew311-pathlib:

pathlib
-------

Expand All @@ -874,20 +916,28 @@ pathlib
:data:`~os.sep` or :data:`~os.altsep`.
(Contributed by Eisuke Kawasima in :issue:`22276` and :issue:`33392`.)


.. _whatsnew311-re:

re
--

* Atomic grouping (``(?>...)``) and possessive quantifiers (``*+``, ``++``,
``?+``, ``{m,n}+``) are now supported in regular expressions.
(Contributed by Jeffrey C. Jacobs and Serhiy Storchaka in :issue:`433030`.)


.. _whatsnew311-shutil:

shutil
------

* Add optional parameter *dir_fd* in :func:`shutil.rmtree`.
(Contributed by Serhiy Storchaka in :issue:`46245`.)


.. _whatsnew311-socket:

socket
------

Expand All @@ -899,6 +949,9 @@ socket
instead of only raising the last error.
(Contributed by Irit Katriel in :issue:`29980`.)


.. _whatsnew311-sqlite3:

sqlite3
-------

Expand Down Expand Up @@ -962,13 +1015,15 @@ string
(Contributed by Ben Kehoe in :gh:`90465`.)


.. _whatsnew311-sys:

sys
---

* :func:`sys.exc_info` now derives the ``type`` and ``traceback`` fields
from the ``value`` (the exception instance), so when an exception is
modified while it is being handled, the changes are reflected in
the results of subsequent calls to :func:`exc_info`.
the results of subsequent calls to :func:`!exc_info`.
(Contributed by Irit Katriel in :issue:`45711`.)

* Add :func:`sys.exception` which returns the active exception instance
Expand All @@ -979,6 +1034,8 @@ sys
(Contributed by Victor Stinner in :gh:`57684`.)


.. _whatsnew311-sysconfig:

sysconfig
---------

Expand Down Expand Up @@ -1009,6 +1066,8 @@ tempfile
(Contributed by Carey Metcalfe in :gh:`70363`.)


.. _whatsnew311-threading:

threading
---------

Expand All @@ -1020,6 +1079,8 @@ threading
(Contributed by Victor Stinner in :issue:`41710`.)


.. _whatsnew311-time:

time
----

Expand All @@ -1037,6 +1098,18 @@ time
(Contributed by Benjamin Szőke, Dong-hee Na, Eryk Sun and Victor Stinner in :issue:`21302` and :issue:`45429`.)


.. _whatsnew311-tkinter:

tkinter
-------

* Added method ``info_patchlevel()`` which returns the exact version of
the Tcl library as a named tuple similar to :data:`sys.version_info`.
(Contributed by Serhiy Storchaka in :gh:`91827`.)


.. _whatsnew311-traceback:

traceback
---------

Expand All @@ -1050,6 +1123,8 @@ traceback
(Contributed by Irit Katriel in :issue:`33809`.)


.. _whatsnew311-typing:

typing
------

Expand Down Expand Up @@ -1090,7 +1165,7 @@ For major changes, see :ref:`new-feat-related-type-hints-311`.
to clear all registered overloads of a function.
(Contributed by Jelle Zijlstra in :gh:`89263`.)

* The :meth:`__init__` method of :class:`~typing.Protocol` subclasses
* The :meth:`~object.__init__` method of :class:`~typing.Protocol` subclasses
is now preserved. (Contributed by Adrian Garcia Badarasco in :gh:`88970`.)

* The representation of empty tuple types (``Tuple[()]``) is simplified.
Expand Down Expand Up @@ -1119,19 +1194,16 @@ For major changes, see :ref:`new-feat-related-type-hints-311`.
by Nikita Sobolev in :gh:`90729`.)


tkinter
-------

* Added method ``info_patchlevel()`` which returns the exact version of
the Tcl library as a named tuple similar to :data:`sys.version_info`.
(Contributed by Serhiy Storchaka in :gh:`91827`.)

.. _whatsnew311-unicodedata:

unicodedata
-----------

* The Unicode database has been updated to version 14.0.0. (Contributed by Benjamin Peterson in :issue:`45190`).
* The Unicode database has been updated to version 14.0.0.
(Contributed by Benjamin Peterson in :issue:`45190`).


.. _whatsnew311-unittest:

unittest
--------
Expand All @@ -1145,6 +1217,8 @@ unittest
(Contributed by Serhiy Storchaka in :issue:`45046`.)


.. _whatsnew311-venv:

venv
----

Expand All @@ -1158,6 +1232,9 @@ venv
Third party code that also creates new virtual environments should do the same.
(Contributed by Miro Hrončok in :issue:`45413`.)


.. _whatsnew311-warnings:

warnings
--------

Expand All @@ -1184,14 +1261,6 @@ zipfile
(Contributed by Miguel Brito in :gh:`88261`.)


fcntl
-----

* On FreeBSD, the :attr:`F_DUP2FD` and :attr:`F_DUP2FD_CLOEXEC` flags respectively
are supported, the former equals to ``dup2`` usage while the latter set
the ``FD_CLOEXEC`` flag in addition.


.. _whatsnew311-optimizations:

Optimizations
Expand Down