https://github.com/python/cpython/commit/0ff59d707ce33c2fd7390d473a5779a3d16a5764 commit: 0ff59d707ce33c2fd7390d473a5779a3d16a5764 branch: main author: Adam Turner <9087854+aa-tur...@users.noreply.github.com> committer: AA-Turner <9087854+aa-tur...@users.noreply.github.com> date: 2024-09-01T05:41:17Z summary:
GH-109975: Copyedit 3.13 What's New: Removals (#123529) Co-authored-by: Hugo van Kemenade <1324225+hug...@users.noreply.github.com> files: M Doc/whatsnew/3.13.rst diff --git a/Doc/whatsnew/3.13.rst b/Doc/whatsnew/3.13.rst index af271fbf4b28ac..8c9ae13da3a03f 100644 --- a/Doc/whatsnew/3.13.rst +++ b/Doc/whatsnew/3.13.rst @@ -772,6 +772,14 @@ compileall (Contributed by Victor Stinner in :gh:`109649`.) +configparser +------------ + +* The :class:`configparser.ConfigParser` now accepts unnamed sections + before named ones if configured to do so. + (Contributed by Pedro Sousa Lacerda in :gh:`66449`.) + + concurrent.futures ------------------ @@ -1514,147 +1522,147 @@ Optimizations Removed Modules And APIs ======================== -.. _whatsnew313-pep594: - -PEP 594: dead batteries (and other module removals) ---------------------------------------------------- - -* :pep:`594` removed 19 modules from the standard library, - deprecated in Python 3.11: - - * :mod:`!aifc`. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!audioop`. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!chunk`. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!cgi` and :mod:`!cgitb`. - - * ``cgi.FieldStorage`` can typically be replaced with - :func:`urllib.parse.parse_qsl` for ``GET`` and ``HEAD`` requests, - and the :mod:`email.message` module or :pypi:`multipart` - PyPI project for ``POST`` and ``PUT``. - - * ``cgi.parse()`` can be replaced by calling :func:`urllib.parse.parse_qs` - directly on the desired query string, except for ``multipart/form-data`` - input, which can be handled as described for ``cgi.parse_multipart()``. - - * ``cgi.parse_header()`` can be replaced with the functionality in the - :mod:`email` package, which implements the same MIME RFCs. For example, - with :class:`email.message.EmailMessage`:: - - from email.message import EmailMessage - msg = EmailMessage() - msg['content-type'] = 'application/json; charset="utf8"' - main, params = msg.get_content_type(), msg['content-type'].params - - * ``cgi.parse_multipart()`` can be replaced with the functionality in the - :mod:`email` package (e.g. :class:`email.message.EmailMessage` and - :class:`email.message.Message`) which implements the same MIME RFCs, or - with the :pypi:`multipart` PyPI project. - - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!crypt` module and its private :mod:`!_crypt` extension. - The :mod:`hashlib` module is a potential replacement for certain use cases. - Otherwise, the following PyPI projects can be used: - - * :pypi:`bcrypt`: - Modern password hashing for your software and your servers. - * :pypi:`passlib`: - Comprehensive password hashing framework supporting over 30 schemes. - * :pypi:`argon2-cffi`: - The secure Argon2 password hashing algorithm. - * :pypi:`legacycrypt`: - :mod:`ctypes` wrapper to the POSIX crypt library call and associated functionality. - * :pypi:`crypt_r`: - Fork of the :mod:`!crypt` module, wrapper to the :manpage:`crypt_r(3)` library - call and associated functionality. - - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!imghdr`: use the projects :pypi:`filetype`, - :pypi:`puremagic`, or :pypi:`python-magic` instead. - The ``puremagic.what()`` function can be used to replace - the ``imghdr.what()`` function for all file formats that - were supported by ``imghdr``. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!mailcap`. - The :mod:`mimetypes` module provides an alternative. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!msilib`. - (Contributed by Zachary Ware in :gh:`104773`.) - - * :mod:`!nis`. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!nntplib`: - the :pypi:`nntplib` PyPI project can be used instead. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!ossaudiodev`: use the - `pygame project <https://www.pygame.org/>`_ for audio playback. - (Contributed by Victor Stinner in :gh:`104780`.) - * :mod:`!pipes`: use the :mod:`subprocess` module instead. - (Contributed by Victor Stinner in :gh:`104773`.) - - * :mod:`!sndhdr`: use the projects :pypi:`filetype`, - :pypi:`puremagic`, or :pypi:`python-magic` instead. - (Contributed by Victor Stinner in :gh:`104773`.) +.. _whatsnew313-pep594: - * :mod:`!spwd`: - the :pypi:`python-pam` project can be used instead. - (Contributed by Victor Stinner in :gh:`104773`.) +PEP 594: Remove "dead batteries" from the standard library +---------------------------------------------------------- + +:pep:`594` proposed removing 19 modules from the standard library, +colloquially referred to as 'dead batteries' due to their +historic, obsolete, or insecure status. +All of the following modules were deprecated in Python 3.11, +and are now removed: + +* :mod:`!aifc` +* :mod:`!audioop` +* :mod:`!chunk` +* :mod:`!cgi` and :mod:`!cgitb` + + * :class:`!cgi.FieldStorage` can typically be replaced with + :func:`urllib.parse.parse_qsl` for ``GET`` and ``HEAD`` requests, + and the :mod:`email.message` module or the :pypi:`multipart` library + for ``POST`` and ``PUT`` requests. + + * :func:`!cgi.parse` can be replaced by calling + :func:`urllib.parse.parse_qs` directly on the desired query string, + unless the input is ``multipart/form-data``, + which should be replaced as described below for :func:`!cgi.parse_multipart`. + + * :func:`!cgi.parse_header` can be replaced with the functionality + in the :mod:`email` package, which implements the same MIME RFCs. + For example, with :class:`email.message.EmailMessage`: + + .. code-block:: python + + from email.message import EmailMessage + + msg = EmailMessage() + msg['content-type'] = 'application/json; charset="utf8"' + main, params = msg.get_content_type(), msg['content-type'].params + + * :func:`!cgi.parse_multipart` can be replaced with the functionality + in the :mod:`email` package, which implements the same MIME RFCs, + or with the :pypi:`multipart` library. + For example, the :class:`email.message.EmailMessage` + and :class:`email.message.Message` classes. + +* :mod:`!crypt` and the private :mod:`!_crypt` extension. + The :mod:`hashlib` module may be an appropriate replacement + when simply hashing a value is required. + Otherwise, various third-party libraries on PyPI are available: + + * :pypi:`bcrypt`: + Modern password hashing for your software and your servers. + * :pypi:`passlib`: + Comprehensive password hashing framework supporting over 30 schemes. + * :pypi:`argon2-cffi`: + The secure Argon2 password hashing algorithm. + * :pypi:`legacycrypt`: + :mod:`ctypes` wrapper to the POSIX crypt library call + and associated functionality. + * :pypi:`crypt_r`: + Fork of the :mod:`!crypt` module, + wrapper to the :manpage:`crypt_r(3)` library call + and associated functionality. + +* :mod:`!imghdr`: + The :pypi:`filetype`, :pypi:`puremagic`, or :pypi:`python-magic` libraries + should be used as replacements. + For example, the :func:`!puremagic.what` function can be used + to replace the :func:`!imghdr.what` function for all file formats + that were supported by :mod:`!imghdr`. +* :mod:`!mailcap`: + Use the :mod:`mimetypes` module instead. +* :mod:`!msilib` +* :mod:`!nis` +* :mod:`!nntplib`: + Use the :pypi:`nntplib` library from PyPI instead. +* :mod:`!ossaudiodev`: + For audio playback, use the :pypi:`pygame` library from PyPI instead. +* :mod:`!pipes`: + Use the :mod:`subprocess` module instead. +* :mod:`!sndhdr`: + The :pypi:`filetype`, :pypi:`puremagic`, or :pypi:`python-magic` libraries + should be used as replacements. +* :mod:`!spwd`: + Use the :pypi:`python-pam` library from PyPI instead. +* :mod:`!sunau` +* :mod:`!telnetlib`, + Use the :pypi:`telnetlib3` or :pypi:`Exscript` libraries from PyPI instead. +* :mod:`!uu`: + Use the :mod:`base64` module instead, as a modern alternative. +* :mod:`!xdrlib` + +(Contributed by Victor Stinner and Zachary Ware in :gh:`104773` and :gh:`104780`.) + + +2to3 +---- - * :mod:`!sunau`. - (Contributed by Victor Stinner in :gh:`104773`.) +* Remove the :program:`2to3` program and the :mod:`!lib2to3` module, + previously deprecated in Python 3.11. + (Contributed by Victor Stinner in :gh:`104780`.) - * :mod:`!telnetlib`, use the projects :pypi:`telnetlib3` or - :pypi:`Exscript` instead. - (Contributed by Victor Stinner in :gh:`104773`.) - * :mod:`!uu`: the :mod:`base64` module is a modern alternative. - (Contributed by Victor Stinner in :gh:`104773`.) +builtins +-------- - * :mod:`!xdrlib`. - (Contributed by Victor Stinner in :gh:`104773`.) +* Remove support for chained :class:`classmethod` descriptors + (introduced in :gh:`63272`). + These can no longer be used to wrap other descriptors, + such as :class:`property`. + The core design of this feature was flawed and led to several problems. + To "pass-through" a :class:`classmethod`, consider using + the :attr:`!__wrapped__` attribute that was added in Python 3.10. + (Contributed by Raymond Hettinger in :gh:`89519`.) -* Remove the ``2to3`` program and the :mod:`!lib2to3` module, - deprecated in Python 3.11. - (Contributed by Victor Stinner in :gh:`104780`.) - -* Remove the :mod:`!tkinter.tix` module, deprecated in Python 3.6. The - third-party Tix library which the module wrapped is unmaintained. - (Contributed by Zachary Ware in :gh:`75552`.) configparser ------------ -* Remove the undocumented :class:`!configparser.LegacyInterpolation` class, +* Remove the undocumented :class:`!LegacyInterpolation` class, deprecated in the docstring since Python 3.2, - and with a deprecation warning since Python 3.11. + and at runtime since Python 3.11. (Contributed by Hugo van Kemenade in :gh:`104886`.) -importlib ---------- -* Remove deprecated :meth:`~object.__getitem__` access for - :class:`!importlib.metadata.EntryPoint` objects. +importlib.metadata +------------------ + +* Remove deprecated subscript (:meth:`~object.__getitem__`) access for + :ref:`EntryPoint <entry-points>` objects. (Contributed by Jason R. Coombs in :gh:`113175`.) + locale ------ -* Remove ``locale.resetlocale()`` function deprecated in Python 3.11: - use ``locale.setlocale(locale.LC_ALL, "")`` instead. +* Remove the :func:`!locale.resetlocale` function, deprecated in Python 3.11. + Use ``locale.setlocale(locale.LC_ALL, "")`` instead. (Contributed by Victor Stinner in :gh:`104783`.) + opcode ------ @@ -1663,44 +1671,60 @@ opcode and is not intended for external use. (Contributed by Irit Katriel in :gh:`105481`.) -* Removed :func:`!opcode.is_pseudo`, :attr:`!opcode.MIN_PSEUDO_OPCODE`, - and :attr:`!opcode.MAX_PSEUDO_OPCODE`, which were added in 3.12, - but were neither documented nor exposed through ``dis``, +* Remove :func:`!opcode.is_pseudo`, :attr:`!opcode.MIN_PSEUDO_OPCODE`, + and :attr:`!opcode.MAX_PSEUDO_OPCODE`, which were added in Python 3.12, + but were neither documented nor exposed through :mod:`dis`, and were not intended to be used externally. + (Contributed by Irit Katriel in :gh:`105481`.) + pathlib ------- -* Remove support for using :class:`pathlib.Path` objects as context managers. - This functionality was deprecated and made a no-op in Python 3.9. +* Remove the ability to use :class:`~pathlib.Path` objects as context managers. + This functionality was deprecated and has had no effect since Python 3.9. + (Contributed by Barney Gale in :gh:`83863`.) + re -- -* Remove undocumented, never working, and deprecated ``re.template`` function - and ``re.TEMPLATE`` flag (and ``re.T`` alias). +* Remove the undocumented, deprecated, and broken + :func:`!re.template` function and :attr:`!re.TEMPLATE` / :attr:`!re.T` flag. (Contributed by Serhiy Storchaka and Nikita Sobolev in :gh:`105687`.) +tkinter.tix +----------- + +* Remove the :mod:`!tkinter.tix` module, deprecated in Python 3.6. + The third-party Tix library which the module wrapped is unmaintained. + (Contributed by Zachary Ware in :gh:`75552`.) + + turtle ------ -* Remove the :meth:`!turtle.RawTurtle.settiltangle` method, - deprecated in docs since Python 3.1 - and with a deprecation warning since Python 3.11. +* Remove the :meth:`!RawTurtle.settiltangle` method, + deprecated in the documentation since Python 3.1 + and at runtime since Python 3.11. (Contributed by Hugo van Kemenade in :gh:`104876`.) + typing ------ -* Namespaces ``typing.io`` and ``typing.re``, deprecated in Python 3.8, - are now removed. The items in those namespaces can be imported directly - from :mod:`typing`. (Contributed by Sebastian Rittau in :gh:`92871`.) +* Remove the :mod:`!typing.io` and :mod:`!typing.re` namespaces, + deprecated since Python 3.8. + The items in those namespaces can be imported directly + from the :mod:`typing` module. + (Contributed by Sebastian Rittau in :gh:`92871`.) -* Remove support for the keyword-argument method of creating - :class:`typing.TypedDict` types, deprecated in Python 3.11. +* Remove the keyword-argument method of creating + :class:`~typing.TypedDict` types, deprecated in Python 3.11. (Contributed by Tomas Roun in :gh:`104786`.) + unittest -------- @@ -1712,51 +1736,47 @@ unittest Use :class:`~unittest.TestLoader` methods instead: - * :meth:`unittest.TestLoader.loadTestsFromModule` - * :meth:`unittest.TestLoader.loadTestsFromTestCase` - * :meth:`unittest.TestLoader.getTestCaseNames` + * :meth:`~unittest.TestLoader.loadTestsFromModule` + * :meth:`~unittest.TestLoader.loadTestsFromTestCase` + * :meth:`~unittest.TestLoader.getTestCaseNames` (Contributed by Hugo van Kemenade in :gh:`104835`.) -* Remove the untested and undocumented :meth:`!unittest.TestProgram.usageExit` +* Remove the untested and undocumented :meth:`!TestProgram.usageExit` method, deprecated in Python 3.11. (Contributed by Hugo van Kemenade in :gh:`104992`.) + urllib ------ -* Remove *cafile*, *capath* and *cadefault* parameters of the - :func:`urllib.request.urlopen` function, deprecated in Python 3.6: pass - the *context* parameter instead. Use - :meth:`ssl.SSLContext.load_cert_chain` to load specific certificates, or - let :func:`ssl.create_default_context` select the system's trusted CA - certificates for you. +* Remove the *cafile*, *capath*, and *cadefault* parameters of the + :func:`urllib.request.urlopen` function, deprecated in Python 3.6. + Use the *context* parameter instead with an :class:`~ssl.SSLContext` instance. + The :meth:`ssl.SSLContext.load_cert_chain` function + can be used to load specific certificates, + or let :func:`ssl.create_default_context` select + the operating system's trusted certificate authority (CA) certificates. (Contributed by Victor Stinner in :gh:`105382`.) + webbrowser ---------- -* Remove the untested and undocumented :mod:`webbrowser` :class:`!MacOSX` class, +* Remove the untested and undocumented :class:`!MacOSX` class, deprecated in Python 3.11. Use the :class:`!MacOSXOSAScript` class (introduced in Python 3.2) instead. (Contributed by Hugo van Kemenade in :gh:`104804`.) -* Remove deprecated ``webbrowser.MacOSXOSAScript._name`` attribute. - Use :attr:`webbrowser.MacOSXOSAScript.name <webbrowser.controller.name>` +* Remove the deprecated :attr:`!MacOSXOSAScript._name` attribute. + Use the :attr:`MacOSXOSAScript.name <webbrowser.controller.name>` attribute instead. (Contributed by Nikita Sobolev in :gh:`105546`.) + New Deprecations ================ -* Removed chained :class:`classmethod` descriptors (introduced in - :gh:`63272`). This can no longer be used to wrap other descriptors - such as :class:`property`. The core design of this feature was flawed - and caused a number of downstream problems. To "pass-through" a - :class:`classmethod`, consider using the :attr:`!__wrapped__` - attribute that was added in Python 3.10. (Contributed by Raymond - Hettinger in :gh:`89519`.) - * :mod:`array`: :mod:`array`'s ``'u'`` format code, deprecated in docs since Python 3.3, emits :exc:`DeprecationWarning` since 3.13 and will be removed in Python 3.16. _______________________________________________ Python-checkins mailing list -- python-checkins@python.org To unsubscribe send an email to python-checkins-le...@python.org https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: arch...@mail-archive.com
