diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/whatsnew/3.11.rst | 61 |
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: |