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authorC.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>2022-10-24 12:33:31 (GMT)
committerGitHub <noreply@github.com>2022-10-24 12:33:31 (GMT)
commit43bef54a32feef1eb6a4d63f00f89e2c5a39abd1 (patch)
tree5d4affac02c8682df71f6fe1e2f4a2709befea8c /Doc/whatsnew
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gh-95913: Edit, sort & expand 3.11 WhatsNew Porting section (#98585)
Diffstat (limited to 'Doc/whatsnew')
-rw-r--r--Doc/whatsnew/3.11.rst61
1 files changed, 31 insertions, 30 deletions
diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
index a0622d3..d8e8764 100644
--- a/Doc/whatsnew/3.11.rst
+++ b/Doc/whatsnew/3.11.rst
@@ -1842,22 +1842,23 @@ in the Python API that may require changes to your Python code.
Porting notes for the C API are
:ref:`listed separately <whatsnew311-c-api-porting>`.
-* Prohibited passing non-:class:`concurrent.futures.ThreadPoolExecutor`
- executors to :meth:`loop.set_default_executor` following a deprecation in
- Python 3.8.
- (Contributed by Illia Volochii in :issue:`43234`.)
-
* :func:`open`, :func:`io.open`, :func:`codecs.open` and
:class:`fileinput.FileInput` no longer accept ``'U'`` ("universal newline")
- in the file mode. This flag was deprecated since Python 3.3. In Python 3, the
- "universal newline" is used by default when a file is open in text mode. The
- :ref:`newline parameter <open-newline-parameter>` of :func:`open` controls
- how universal newlines works.
+ in the file mode. In Python 3, "universal newline" mode is used by default
+ whenever a file is opened in text mode,
+ and the ``'U'`` flag has been deprecated since Python 3.3.
+ The :ref:`newline parameter <open-newline-parameter>`
+ to these functions controls how universal newlines work.
(Contributed by Victor Stinner in :issue:`37330`.)
-* The :mod:`pdb` module now reads the :file:`.pdbrc` configuration file with
- the ``'utf-8'`` encoding.
- (Contributed by Srinivas Reddy Thatiparthy (శ్రీనివాస్ రెడ్డి తాటిపర్తి) in :issue:`41137`.)
+* :class:`ast.AST` node positions are now validated when provided to
+ :func:`compile` and other related functions. If invalid positions are detected,
+ a :exc:`ValueError` will be raised. (Contributed by Pablo Galindo in :gh:`93351`)
+
+* Prohibited passing non-:class:`concurrent.futures.ThreadPoolExecutor`
+ executors to :meth:`asyncio.loop.set_default_executor`
+ following a deprecation in Python 3.8.
+ (Contributed by Illia Volochii in :issue:`43234`.)
* :mod:`calendar`: The :class:`calendar.LocaleTextCalendar` and
:class:`calendar.LocaleHTMLCalendar` classes now use
@@ -1865,29 +1866,29 @@ Porting notes for the C API are
if no locale is specified.
(Contributed by Victor Stinner in :issue:`46659`.)
-* Global inline flags (e.g. ``(?i)``) can now only be used at the start of
- the regular expressions. Using them not at the start of expression was
- deprecated since Python 3.6.
- (Contributed by Serhiy Storchaka in :issue:`47066`.)
-
-* :mod:`re` module: Fix a few long-standing bugs where, in rare cases,
- capturing group could get wrong result. So the result may be different than
- before.
- (Contributed by Ma Lin in :issue:`35859`.)
+* The :mod:`pdb` module now reads the :file:`.pdbrc` configuration file with
+ the ``'UTF-8'`` encoding.
+ (Contributed by Srinivas Reddy Thatiparthy (శ్రీనివాస్ రెడ్డి తాటిపర్తి) in :issue:`41137`.)
-* The *population* parameter of :func:`random.sample` must be a sequence.
- Automatic conversion of sets to lists is no longer supported. If the sample size
+* The *population* parameter of :func:`random.sample` must be a sequence,
+ and automatic conversion of :class:`set`\s to :class:`list`\s
+ is no longer supported. Also, if the sample size
is larger than the population size, a :exc:`ValueError` is raised.
(Contributed by Raymond Hettinger in :issue:`40465`.)
-* :class:`ast.AST` node positions are now validated when provided to
- :func:`compile` and other related functions. If invalid positions are detected,
- a :exc:`ValueError` will be raised. (Contributed by Pablo Galindo in :gh:`93351`)
+* The *random* optional parameter of :func:`random.shuffle` was removed.
+ It was previously an arbitrary random function to use for the shuffle;
+ now, :func:`random.random` (its previous default) will always be used.
-* :c:member:`~PyTypeObject.tp_dictoffset` should be treated as write-only.
- It can be set to describe C extension clases to the VM, but should be regarded
- as meaningless when read. To get the pointer to the object's dictionary call
- :c:func:`PyObject_GenericGetDict` instead.
+* In :mod:`re` :ref:`re-syntax`, global inline flags (e.g. ``(?i)``)
+ can now only be used at the start of regular expressions.
+ Using them elsewhere has been deprecated since Python 3.6.
+ (Contributed by Serhiy Storchaka in :issue:`47066`.)
+
+* In the :mod:`re` module, several long-standing bugs where fixed that,
+ in rare cases, could cause capture groups to get the wrong result.
+ Therefore, this could change the captured output in these cases.
+ (Contributed by Ma Lin in :issue:`35859`.)
.. _whatsnew311-build-changes: