mirror of https://github.com/python/cpython
148 lines
5.7 KiB
ReStructuredText
148 lines
5.7 KiB
ReStructuredText
Pending Removal in Future Versions
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----------------------------------
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The following APIs will be removed in the future,
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although there is currently no date scheduled for their removal.
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* :mod:`argparse`: Nesting argument groups and nesting mutually exclusive
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groups are deprecated.
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* :mod:`builtins`:
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* ``~bool``, bitwise inversion on bool.
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* ``bool(NotImplemented)``.
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* Generators: ``throw(type, exc, tb)`` and ``athrow(type, exc, tb)``
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signature is deprecated: use ``throw(exc)`` and ``athrow(exc)`` instead,
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the single argument signature.
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* Currently Python accepts numeric literals immediately followed by keywords,
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for example ``0in x``, ``1or x``, ``0if 1else 2``. It allows confusing and
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ambiguous expressions like ``[0x1for x in y]`` (which can be interpreted as
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``[0x1 for x in y]`` or ``[0x1f or x in y]``). A syntax warning is raised
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if the numeric literal is immediately followed by one of keywords
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:keyword:`and`, :keyword:`else`, :keyword:`for`, :keyword:`if`,
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:keyword:`in`, :keyword:`is` and :keyword:`or`. In a future release it
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will be changed to a syntax error. (:gh:`87999`)
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* Support for ``__index__()`` and ``__int__()`` method returning non-int type:
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these methods will be required to return an instance of a strict subclass of
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:class:`int`.
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* Support for ``__float__()`` method returning a strict subclass of
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:class:`float`: these methods will be required to return an instance of
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:class:`float`.
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* Support for ``__complex__()`` method returning a strict subclass of
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:class:`complex`: these methods will be required to return an instance of
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:class:`complex`.
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* Delegation of ``int()`` to ``__trunc__()`` method.
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* :mod:`calendar`: ``calendar.January`` and ``calendar.February`` constants are
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deprecated and replaced by :data:`calendar.JANUARY` and
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:data:`calendar.FEBRUARY`.
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(Contributed by Prince Roshan in :gh:`103636`.)
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* :attr:`codeobject.co_lnotab`: use the :meth:`codeobject.co_lines` method
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instead.
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* :mod:`datetime`:
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* :meth:`~datetime.datetime.utcnow`:
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use ``datetime.datetime.now(tz=datetime.UTC)``.
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* :meth:`~datetime.datetime.utcfromtimestamp`:
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use ``datetime.datetime.fromtimestamp(timestamp, tz=datetime.UTC)``.
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* :mod:`gettext`: Plural value must be an integer.
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* :mod:`importlib`:
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* ``load_module()`` method: use ``exec_module()`` instead.
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* :func:`~importlib.util.cache_from_source` *debug_override* parameter is
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deprecated: use the *optimization* parameter instead.
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* :mod:`importlib.metadata`:
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* ``EntryPoints`` tuple interface.
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* Implicit ``None`` on return values.
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* :mod:`mailbox`: Use of StringIO input and text mode is deprecated, use
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BytesIO and binary mode instead.
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* :mod:`os`: Calling :func:`os.register_at_fork` in multi-threaded process.
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* :class:`!pydoc.ErrorDuringImport`: A tuple value for *exc_info* parameter is
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deprecated, use an exception instance.
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* :mod:`re`: More strict rules are now applied for numerical group references
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and group names in regular expressions. Only sequence of ASCII digits is now
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accepted as a numerical reference. The group name in bytes patterns and
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replacement strings can now only contain ASCII letters and digits and
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underscore.
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(Contributed by Serhiy Storchaka in :gh:`91760`.)
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* :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse` modules.
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* :mod:`shutil`: :func:`~shutil.rmtree`'s *onerror* parameter is deprecated in
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Python 3.12; use the *onexc* parameter instead.
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* :mod:`ssl` options and protocols:
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* :class:`ssl.SSLContext` without protocol argument is deprecated.
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* :class:`ssl.SSLContext`: :meth:`~ssl.SSLContext.set_npn_protocols` and
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:meth:`!selected_npn_protocol` are deprecated: use ALPN
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instead.
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* ``ssl.OP_NO_SSL*`` options
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* ``ssl.OP_NO_TLS*`` options
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* ``ssl.PROTOCOL_SSLv3``
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* ``ssl.PROTOCOL_TLS``
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* ``ssl.PROTOCOL_TLSv1``
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* ``ssl.PROTOCOL_TLSv1_1``
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* ``ssl.PROTOCOL_TLSv1_2``
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* ``ssl.TLSVersion.SSLv3``
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* ``ssl.TLSVersion.TLSv1``
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* ``ssl.TLSVersion.TLSv1_1``
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* :func:`sysconfig.is_python_build` *check_home* parameter is deprecated and
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ignored.
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* :mod:`threading` methods:
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* :meth:`!threading.Condition.notifyAll`: use :meth:`~threading.Condition.notify_all`.
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* :meth:`!threading.Event.isSet`: use :meth:`~threading.Event.is_set`.
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* :meth:`!threading.Thread.isDaemon`, :meth:`threading.Thread.setDaemon`:
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use :attr:`threading.Thread.daemon` attribute.
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* :meth:`!threading.Thread.getName`, :meth:`threading.Thread.setName`:
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use :attr:`threading.Thread.name` attribute.
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* :meth:`!threading.currentThread`: use :meth:`threading.current_thread`.
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* :meth:`!threading.activeCount`: use :meth:`threading.active_count`.
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* :class:`typing.Text` (:gh:`92332`).
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* :class:`unittest.IsolatedAsyncioTestCase`: it is deprecated to return a value
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that is not ``None`` from a test case.
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* :mod:`urllib.parse` deprecated functions: :func:`~urllib.parse.urlparse` instead
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* ``splitattr()``
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* ``splithost()``
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* ``splitnport()``
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* ``splitpasswd()``
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* ``splitport()``
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* ``splitquery()``
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* ``splittag()``
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* ``splittype()``
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* ``splituser()``
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* ``splitvalue()``
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* ``to_bytes()``
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* :mod:`urllib.request`: :class:`~urllib.request.URLopener` and
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:class:`~urllib.request.FancyURLopener` style of invoking requests is
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deprecated. Use newer :func:`~urllib.request.urlopen` functions and methods.
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* :mod:`wsgiref`: ``SimpleHandler.stdout.write()`` should not do partial
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writes.
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* :mod:`xml.etree.ElementTree`: Testing the truth value of an
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:class:`~xml.etree.ElementTree.Element` is deprecated. In a future release it
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will always return ``True``. Prefer explicit ``len(elem)`` or
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``elem is not None`` tests instead.
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* :meth:`zipimport.zipimporter.load_module` is deprecated:
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use :meth:`~zipimport.zipimporter.exec_module` instead.
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