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gh-133879: Copyedit "What's new in Python 3.15" (#141717)

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Hugo van Kemenade 2025-11-18 16:42:13 +02:00 • committed by GitHub
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Doc/deprecations/pending-removal-in-future.rst
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@ -76,7 +76,7 @@ although there is currently no date scheduled for their removal.
* :mod:`mailbox`: Use of StringIO input and text mode is deprecated, use
BytesIO and binary mode instead.
* :mod:`os`: Calling :func:`os.register_at_fork` in multi-threaded process.
* :mod:`os`: Calling :func:`os.register_at_fork` in a multi-threaded process.
* :class:`!pydoc.ErrorDuringImport`: A tuple value for *exc_info* parameter is
deprecated, use an exception instance.

36
Doc/whatsnew/3.15.rst
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@ -316,9 +316,7 @@ Other language changes
and compression. Common code patterns which can be optimized with
:func:`~bytearray.take_bytes` are listed below.
(Contributed by Cody Maloney in :gh:`139871`.)
.. list-table:: Suggested Optimizing Refactors
.. list-table:: Suggested optimizing refactors
:header-rows: 1
* - Description
@ -387,10 +385,12 @@ Other language changes
buffer.resize(n)
data = buffer.take_bytes()
(Contributed by Cody Maloney in :gh:`139871`.)
* Many functions related to compiling or parsing Python code, such as
:func:`compile`, :func:`ast.parse`, :func:`symtable.symtable`,
and :func:`importlib.abc.InspectLoader.source_to_code`, now allow to pass
the module name. It is needed to unambiguous :ref:`filter <warning-filter>`
and :func:`importlib.abc.InspectLoader.source_to_code`, now allow the module
name to be passed. It is needed to unambiguously :ref:`filter <warning-filter>`
syntax warnings by module name.
(Contributed by Serhiy Storchaka in :gh:`135801`.)
@ -776,6 +776,17 @@ unittest
(Contributed by Garry Cairns in :gh:`134567`.)
venv
----
* On POSIX platforms, platlib directories will be created if needed when
creating virtual environments, instead of using ``lib64 -> lib`` symlink.
This means purelib and platlib of virtual environments no longer share the
same ``lib`` directory on platforms where :data:`sys.platlibdir` is not
equal to ``lib``.
(Contributed by Rui Xi in :gh:`133951`.)
warnings
--------
@ -788,17 +799,6 @@ warnings
(Contributed by Serhiy Storchaka in :gh:`135801`.)
venv
----
* On POSIX platforms, platlib directories will be created if needed when
creating virtual environments, instead of using ``lib64 -> lib`` symlink.
This means purelib and platlib of virtual environments no longer share the
same ``lib`` directory on platforms where :data:`sys.platlibdir` is not
equal to ``lib``.
(Contributed by Rui Xi in :gh:`133951`.)
xml.parsers.expat
-----------------
@ -1242,7 +1242,7 @@ Porting to Python 3.15
This section lists previously described changes and other bugfixes
that may require changes to your code.
* :class:`sqlite3.Connection` APIs has been cleaned up.
* :class:`sqlite3.Connection` APIs have been cleaned up.
* All parameters of :func:`sqlite3.connect` except *database* are now keyword-only.
* The first three parameters of methods :meth:`~sqlite3.Connection.create_function`
@ -1262,7 +1262,7 @@ that may require changes to your code.
* :meth:`~mmap.mmap.resize` has been removed on platforms that don't support the
underlying syscall, instead of raising a :exc:`SystemError`.
* Resource warning is now emitted for unclosed
* A resource warning is now emitted for an unclosed
:func:`xml.etree.ElementTree.iterparse` iterator if it opened a file.
Use its :meth:`!close` method or the :func:`contextlib.closing` context
manager to close it.