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[3.12] gh-109190: What's New in 3.12: Add subheadings to removals for easy linking (GH-109159) (#109273)
gh-109190: What's New in 3.12: Add subheadings to removals for easy linking (GH-109159)
(cherry picked from commit 57b6205523)
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot)
GitHub
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1 changed files with 107 additions and 52 deletions
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@ -1274,13 +1274,19 @@ although there is currently no date scheduled for their removal.
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Removed
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=======
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* ``asynchat`` and ``asyncore``: These two modules have been removed
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asynchat and asyncore
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---------------------
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* These two modules have been removed
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according to the schedule in :pep:`594`,
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having been deprecated in Python 3.6.
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Use :mod:`asyncio` instead.
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(Contributed by Nikita Sobolev in :gh:`96580`.)
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* :mod:`configparser`: Several names deprecated in the :mod:`configparser` way back in 3.2 have
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configparser
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------------
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* Several names deprecated in the :mod:`configparser` way back in 3.2 have
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been removed per :gh:`89336`:
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* :class:`configparser.ParsingError` no longer has a ``filename`` attribute
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@ -1290,13 +1296,19 @@ Removed
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* :class:`configparser.ConfigParser` no longer has a ``readfp`` method.
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Use :meth:`~configparser.ConfigParser.read_file` instead.
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* ``distutils``: Remove the ``distutils`` package. It was deprecated in Python 3.10 by
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distutils
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---------
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* Remove the :py:mod:`!distutils` package. It was deprecated in Python 3.10 by
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:pep:`632` "Deprecate distutils module". For projects still using
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``distutils`` and cannot be updated to something else, the ``setuptools``
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project can be installed: it still provides ``distutils``.
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(Contributed by Victor Stinner in :gh:`92584`.)
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* :mod:`ensurepip`: Remove the bundled setuptools wheel from :mod:`ensurepip`,
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ensurepip
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---------
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* Remove the bundled setuptools wheel from :mod:`ensurepip`,
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and stop installing setuptools in environments created by :mod:`venv`.
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``pip (>= 22.1)`` does not require setuptools to be installed in the
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@ -1314,27 +1326,42 @@ Removed
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(Contributed by Pradyun Gedam in :gh:`95299`.)
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* :mod:`enum`: Remove ``EnumMeta.__getattr__``, which is no longer needed for
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enum
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----
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* Remove :mod:`enum`'s ``EnumMeta.__getattr__``, which is no longer needed for
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enum attribute access.
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(Contributed by Ethan Furman in :gh:`95083`.)
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* :mod:`ftplib`: Remove the ``FTP_TLS.ssl_version`` class attribute: use the
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ftplib
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------
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* Remove :mod:`ftplib`'s ``FTP_TLS.ssl_version`` class attribute: use the
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*context* parameter instead.
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(Contributed by Victor Stinner in :gh:`94172`.)
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* :mod:`gzip`: Remove the ``filename`` attribute of :class:`gzip.GzipFile`,
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gzip
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----
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* Remove the ``filename`` attribute of :mod:`gzip`'s :class:`gzip.GzipFile`,
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deprecated since Python 2.6, use the :attr:`~gzip.GzipFile.name` attribute
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instead. In write mode, the ``filename`` attribute added ``'.gz'`` file
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extension if it was not present.
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(Contributed by Victor Stinner in :gh:`94196`.)
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* :mod:`hashlib`: Remove the pure Python implementation of
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hashlib
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-------
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* Remove the pure Python implementation of :mod:`hashlib`'s
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:func:`hashlib.pbkdf2_hmac()`, deprecated in Python 3.10. Python 3.10 and
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newer requires OpenSSL 1.1.1 (:pep:`644`): this OpenSSL version provides
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a C implementation of :func:`~hashlib.pbkdf2_hmac()` which is faster.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* :mod:`importlib`: Many previously deprecated cleanups in :mod:`importlib` have now been
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importlib
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---------
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* Many previously deprecated cleanups in :mod:`importlib` have now been
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completed:
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* References to, and support for :meth:`!module_repr()` has been removed.
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@ -1350,10 +1377,13 @@ Removed
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* ``importlib.abc.Finder``, ``pkgutil.ImpImporter``, and ``pkgutil.ImpLoader``
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have been removed. (Contributed by Barry Warsaw in :gh:`98040`.)
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* The :mod:`!imp` module has been removed. (Contributed by Barry Warsaw in
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:gh:`98040`.)
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imp
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---
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* Replace removed :mod:`!imp` functions with :mod:`importlib` functions:
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* The :mod:`!imp` module has been removed. (Contributed by Barry Warsaw in
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:gh:`98040`.)
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* Replace removed :mod:`!imp` functions with :mod:`importlib` functions:
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================================= =======================================
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imp importlib
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@ -1370,7 +1400,7 @@ Removed
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``imp.source_from_cache()`` :func:`importlib.util.source_from_cache`
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================================= =======================================
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* Replace ``imp.load_source()`` with::
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* Replace ``imp.load_source()`` with::
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import importlib.util
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import importlib.machinery
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@ -1385,28 +1415,34 @@ Removed
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loader.exec_module(module)
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return module
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* Removed :mod:`!imp` functions and attributes with no replacements:
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* Removed :mod:`!imp` functions and attributes with no replacements:
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* undocumented functions:
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* undocumented functions:
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* ``imp.init_builtin()``
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* ``imp.load_compiled()``
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* ``imp.load_dynamic()``
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* ``imp.load_package()``
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* ``imp.init_builtin()``
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* ``imp.load_compiled()``
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* ``imp.load_dynamic()``
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* ``imp.load_package()``
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* ``imp.lock_held()``, ``imp.acquire_lock()``, ``imp.release_lock()``:
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the locking scheme has changed in Python 3.3 to per-module locks.
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* ``imp.find_module()`` constants: ``SEARCH_ERROR``, ``PY_SOURCE``,
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``PY_COMPILED``, ``C_EXTENSION``, ``PY_RESOURCE``, ``PKG_DIRECTORY``,
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``C_BUILTIN``, ``PY_FROZEN``, ``PY_CODERESOURCE``, ``IMP_HOOK``.
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* ``imp.lock_held()``, ``imp.acquire_lock()``, ``imp.release_lock()``:
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the locking scheme has changed in Python 3.3 to per-module locks.
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* ``imp.find_module()`` constants: ``SEARCH_ERROR``, ``PY_SOURCE``,
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``PY_COMPILED``, ``C_EXTENSION``, ``PY_RESOURCE``, ``PKG_DIRECTORY``,
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``C_BUILTIN``, ``PY_FROZEN``, ``PY_CODERESOURCE``, ``IMP_HOOK``.
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* :mod:`io`: Remove ``io.OpenWrapper`` and ``_pyio.OpenWrapper``, deprecated in Python
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io
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--
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* Remove :mod:`io`'s ``io.OpenWrapper`` and ``_pyio.OpenWrapper``, deprecated in Python
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3.10: just use :func:`open` instead. The :func:`open` (:func:`io.open`)
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function is a built-in function. Since Python 3.10, :func:`!_pyio.open` is
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also a static method.
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(Contributed by Victor Stinner in :gh:`94169`.)
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* :mod:`locale`: Remove the :func:`!locale.format` function, deprecated in Python 3.7:
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locale
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------
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* Remove :mod:`locale`'s :func:`!locale.format` function, deprecated in Python 3.7:
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use :func:`locale.format_string` instead.
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(Contributed by Victor Stinner in :gh:`94226`.)
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@ -1418,7 +1454,10 @@ Removed
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.. _aiosmtpd: https://pypi.org/project/aiosmtpd/
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* :mod:`sqlite3`: The following undocumented :mod:`sqlite3` features, deprecated in Python
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sqlite3
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-------
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* The following undocumented :mod:`sqlite3` features, deprecated in Python
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3.10, are now removed:
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* ``sqlite3.enable_shared_cache()``
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@ -1434,30 +1473,34 @@ Removed
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(Contributed by Erlend E. Aasland in :gh:`92548`.)
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* :mod:`ssl`:
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ssl
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---
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* Remove the :func:`!ssl.RAND_pseudo_bytes` function, deprecated in Python 3.6:
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use :func:`os.urandom` or :func:`ssl.RAND_bytes` instead.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* Remove :mod:`ssl`'s :func:`!ssl.RAND_pseudo_bytes` function, deprecated in Python 3.6:
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use :func:`os.urandom` or :func:`ssl.RAND_bytes` instead.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* Remove the :func:`!ssl.match_hostname` function.
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It was deprecated in Python 3.7. OpenSSL performs
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hostname matching since Python 3.7, Python no longer uses the
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:func:`!ssl.match_hostname` function.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* Remove the :func:`!ssl.match_hostname` function.
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It was deprecated in Python 3.7. OpenSSL performs
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hostname matching since Python 3.7, Python no longer uses the
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:func:`!ssl.match_hostname` function.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* Remove the :func:`!ssl.wrap_socket` function, deprecated in Python 3.7:
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instead, create a :class:`ssl.SSLContext` object and call its
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:class:`ssl.SSLContext.wrap_socket` method. Any package that still uses
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:func:`!ssl.wrap_socket` is broken and insecure. The function neither sends a
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SNI TLS extension nor validates server hostname. Code is subject to `CWE-295
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<https://cwe.mitre.org/data/definitions/295.html>`_: Improper Certificate
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Validation.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* Remove the :func:`!ssl.wrap_socket` function, deprecated in Python 3.7:
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instead, create a :class:`ssl.SSLContext` object and call its
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:class:`ssl.SSLContext.wrap_socket` method. Any package that still uses
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:func:`!ssl.wrap_socket` is broken and insecure. The function neither sends a
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SNI TLS extension nor validates server hostname. Code is subject to `CWE-295
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<https://cwe.mitre.org/data/definitions/295.html>`_: Improper Certificate
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Validation.
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(Contributed by Victor Stinner in :gh:`94199`.)
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* :mod:`unittest`: Removed many old deprecated :mod:`unittest` features:
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unittest
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--------
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- A number of :class:`~unittest.TestCase` method aliases:
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* Removed many old deprecated :mod:`unittest` features:
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* A number of :class:`~unittest.TestCase` method aliases:
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============================ =============================== ===============
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Deprecated alias Method Name Deprecated in
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@ -1482,33 +1525,45 @@ Removed
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You can use https://github.com/isidentical/teyit to automatically modernise
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your unit tests.
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- Undocumented and broken :class:`~unittest.TestCase` method
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* Undocumented and broken :class:`~unittest.TestCase` method
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``assertDictContainsSubset`` (deprecated in Python 3.2).
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- Undocumented :meth:`TestLoader.loadTestsFromModule
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* Undocumented :meth:`TestLoader.loadTestsFromModule
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<unittest.TestLoader.loadTestsFromModule>` parameter *use_load_tests*
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(deprecated and ignored since Python 3.2).
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- An alias of the :class:`~unittest.TextTestResult` class:
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* An alias of the :class:`~unittest.TextTestResult` class:
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``_TextTestResult`` (deprecated in Python 3.2).
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(Contributed by Serhiy Storchaka in :issue:`45162`.)
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* :mod:`webbrowser`: Remove support for obsolete browsers from :mod:`webbrowser`.
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webbrowser
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----------
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* Remove support for obsolete browsers from :mod:`webbrowser`.
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Removed browsers include: Grail, Mosaic, Netscape, Galeon, Skipstone,
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Iceape, Firebird, and Firefox versions 35 and below (:gh:`102871`).
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* :mod:`xml.etree.ElementTree`: Remove the ``ElementTree.Element.copy()`` method of the
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xml.etree.ElementTree
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---------------------
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* Remove the ``ElementTree.Element.copy()`` method of the
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pure Python implementation, deprecated in Python 3.10, use the
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:func:`copy.copy` function instead. The C implementation of :mod:`xml.etree.ElementTree`
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has no ``copy()`` method, only a ``__copy__()`` method.
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(Contributed by Victor Stinner in :gh:`94383`.)
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* :mod:`zipimport`: Remove ``find_loader()`` and ``find_module()`` methods,
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zipimport
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---------
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* Remove :mod:`zipimport`'s ``find_loader()`` and ``find_module()`` methods,
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deprecated in Python 3.10: use the ``find_spec()`` method instead. See
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:pep:`451` for the rationale.
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(Contributed by Victor Stinner in :gh:`94379`.)
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Others
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------
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* Removed the ``suspicious`` rule from the documentation Makefile, and
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removed ``Doc/tools/rstlint.py``, both in favor of `sphinx-lint
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<https://github.com/sphinx-contrib/sphinx-lint>`_.
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