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Commitc9c4a87

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gh-109975: What's new in 3.13: Add PEP 594 to release highlights (#110993)
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‎Doc/whatsnew/3.13.rst‎

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@@ -65,13 +65,23 @@ Summary -- Release highlights
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.. PEP-sized items next.
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Important deprecations, removals or restrictions:
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*:ref:`PEP 594<whatsnew313-pep594>`: The remaining 19 "dead batteries"
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have been removed from the standard library:
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:mod:`!aifc`,:mod:`!audioop`,:mod:`!cgi`,:mod:`!cgitb`,:mod:`!chunk`,
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:mod:`!crypt`,:mod:`!imghdr`,:mod:`!mailcap`,:mod:`!msilib`,:mod:`!nis`,
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:mod:`!nntplib`,:mod:`!ossaudiodev`,:mod:`!pipes`,:mod:`!sndhdr`,:mod:`!spwd`,
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:mod:`!sunau`,:mod:`!telnetlib`,:mod:`!uu` and:mod:`!xdrlib`.
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*:pep:`602` ("Annual Release Cycle for Python") has been updated:
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* Python 3.9 - 3.12 have one and a half years of full support,
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followed by three and a half years of security fixes.
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* Python 3.13 and later have two years of full support,
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followed by three years of security fixes.
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New Features
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============
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@@ -690,10 +700,123 @@ although there is currently no date scheduled for their removal.
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Removed
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=======
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*:pep:`594`: Remove the:mod:`!telnetlib` module, deprecated in Python 3.11:
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use the projects `telnetlib3<https://pypi.org/project/telnetlib3/>`_ or
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`Exscript<https://pypi.org/project/Exscript/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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.. _whatsnew313-pep594:
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PEP 594: dead batteries
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-----------------------
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*:pep:`594` removed 19 modules from the standard library,
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deprecated in Python 3.11:
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*:mod:`!aifc`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!audioop`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!chunk`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!cgi` and:mod:`!cgitb`.
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* ``cgi.FieldStorage`` can typically be replaced with
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:func:`urllib.parse.parse_qsl` for ``GET`` and ``HEAD`` requests,
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and the:mod:`email.message` module or `multipart
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<https://pypi.org/project/multipart/>`__ PyPI project for ``POST`` and
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``PUT``.
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* ``cgi.parse()`` can be replaced by calling:func:`urllib.parse.parse_qs`
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directly on the desired query string, except for ``multipart/form-data``
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input, which can be handled as described for ``cgi.parse_multipart()``.
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* ``cgi.parse_header()`` can be replaced with the functionality in the
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:mod:`email` package, which implements the same MIME RFCs. For example,
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with:class:`email.message.EmailMessage`::
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from email.message import EmailMessage
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msg = EmailMessage()
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msg['content-type'] = 'application/json; charset="utf8"'
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main, params = msg.get_content_type(), msg['content-type'].params
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* ``cgi.parse_multipart()`` can be replaced with the functionality in the
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:mod:`email` package (e.g.:class:`email.message.EmailMessage` and
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:class:`email.message.Message`) which implements the same MIME RFCs, or
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with the `multipart<https://pypi.org/project/multipart/>`__ PyPI project.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!crypt` module and its private:mod:`!_crypt` extension.
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The:mod:`hashlib` module is a potential replacement for certain use cases.
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Otherwise, the following PyPI projects can be used:
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* `bcrypt<https://pypi.org/project/bcrypt/>`_:
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Modern password hashing for your software and your servers.
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* `passlib<https://pypi.org/project/passlib/>`_:
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Comprehensive password hashing framework supporting over 30 schemes.
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* `argon2-cffi<https://pypi.org/project/argon2-cffi/>`_:
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The secure Argon2 password hashing algorithm.
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* `legacycrypt<https://pypi.org/project/legacycrypt/>`_:
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Wrapper to the POSIX crypt library call and associated functionality.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!imghdr`: use the projects
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`filetype<https://pypi.org/project/filetype/>`_,
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`puremagic<https://pypi.org/project/puremagic/>`_,
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or `python-magic<https://pypi.org/project/python-magic/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!mailcap`.
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The:mod:`mimetypes` module provides an alternative.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!msilib`.
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(Contributed by Zachary Ware in:gh:`104773`.)
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*:mod:`!nis`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!nntplib`:
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the `PyPI nntplib project<https://pypi.org/project/nntplib/>`_
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can be used instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!ossaudiodev`: use the
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`pygame project<https://www.pygame.org/>`_ for audio playback.
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(Contributed by Victor Stinner in:gh:`104780`.)
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*:mod:`!pipes`: use the:mod:`subprocess` module instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!sndhdr`: use the projects
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`filetype<https://pypi.org/project/filetype/>`_,
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`puremagic<https://pypi.org/project/puremagic/>`_, or
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`python-magic<https://pypi.org/project/python-magic/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!spwd`:
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the `python-pam project<https://pypi.org/project/python-pam/>`_
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can be used instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!sunau`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!telnetlib`, use the projects
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`telnetlib3<https://pypi.org/project/telnetlib3/>`_ or
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`Exscript<https://pypi.org/project/Exscript/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!uu`: the:mod:`base64` module is a modern alternative.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:mod:`!xdrlib`.
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(Contributed by Victor Stinner in:gh:`104773`.)
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* Remove support for the keyword-argument method of creating
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:class:`typing.TypedDict` types, deprecated in Python 3.11.
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(Contributed by Tomas Roun in:gh:`104786`.)
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* Remove the ``2to3`` program and the:mod:`!lib2to3` module,
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deprecated in Python 3.11.
@@ -735,115 +858,6 @@ Removed
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(Contributed by Hugo van Kemenade in:gh:`104835`.)
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*:pep:`594`: Remove the:mod:`!cgi` and:mod:`!cgitb` modules,
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deprecated in Python 3.11.
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* ``cgi.FieldStorage`` can typically be replaced with
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:func:`urllib.parse.parse_qsl` for ``GET`` and ``HEAD`` requests, and the
743-
:mod:`email.message` module or `multipart
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<https://pypi.org/project/multipart/>`__ PyPI project for ``POST`` and
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``PUT``.
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* ``cgi.parse()`` can be replaced by calling:func:`urllib.parse.parse_qs`
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directly on the desired query string, except for ``multipart/form-data``
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input, which can be handled as described for ``cgi.parse_multipart()``.
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* ``cgi.parse_multipart()`` can be replaced with the functionality in the
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:mod:`email` package (e.g.:class:`email.message.EmailMessage` and
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:class:`email.message.Message`) which implements the same MIME RFCs, or
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with the `multipart<https://pypi.org/project/multipart/>`__ PyPI project.
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* ``cgi.parse_header()`` can be replaced with the functionality in the
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:mod:`email` package, which implements the same MIME RFCs. For example,
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with:class:`email.message.EmailMessage`::
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from email.message import EmailMessage
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msg = EmailMessage()
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msg['content-type'] = 'application/json; charset="utf8"'
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main, params = msg.get_content_type(), msg['content-type'].params
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!sndhdr` module, deprecated in Python 3.11: use
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the projects `filetype<https://pypi.org/project/filetype/>`_, `puremagic
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<https://pypi.org/project/puremagic/>`_, or `python-magic
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<https://pypi.org/project/python-magic/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!pipes` module, deprecated in Python 3.11:
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use the:mod:`subprocess` module instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!ossaudiodev` module, deprecated in Python 3.11:
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use the `pygame project<https://www.pygame.org/>`_ for audio playback.
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(Contributed by Victor Stinner in:gh:`104780`.)
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*:pep:`594`: Remove the:mod:`!sunau` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!mailcap` module, deprecated in Python 3.11.
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The:mod:`mimetypes` module provides an alternative.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!spwd` module, deprecated in Python 3.11:
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the `python-pam project<https://pypi.org/project/python-pam/>`_ can be used
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instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!nntplib` module, deprecated in Python 3.11:
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the `PyPI nntplib project<https://pypi.org/project/nntplib/>`_ can be used
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instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!nis` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!xdrlib` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!msilib` module, deprecated in Python 3.11.
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(Contributed by Zachary Ware in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!crypt` module and its private:mod:`!_crypt`
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extension, deprecated in Python 3.11.
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The:mod:`hashlib` module is a potential replacement for certain use cases.
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Otherwise, the following PyPI projects can be used:
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* `bcrypt<https://pypi.org/project/bcrypt/>`_:
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Modern password hashing for your software and your servers.
814-
* `passlib<https://pypi.org/project/passlib/>`_:
815-
Comprehensive password hashing framework supporting over 30 schemes.
816-
* `argon2-cffi<https://pypi.org/project/argon2-cffi/>`_:
817-
The secure Argon2 password hashing algorithm.
818-
* `legacycrypt<https://pypi.org/project/legacycrypt/>`_:
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Wrapper to the POSIX crypt library call and associated functionality.
820-
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!uu` module, deprecated in Python 3.11:
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the:mod:`base64` module is a modern alternative.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!aifc` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!audioop` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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*:pep:`594`: Remove the:mod:`!chunk` module, deprecated in Python 3.11.
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(Contributed by Victor Stinner in:gh:`104773`.)
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* Remove support for the keyword-argument method of creating
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:class:`typing.TypedDict` types, deprecated in Python 3.11.
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(Contributed by Tomas Roun in:gh:`104786`.)
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*:pep:`594`: Remove the:mod:`!imghdr` module, deprecated in Python 3.11:
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use the projects
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`filetype<https://pypi.org/project/filetype/>`_,
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`puremagic<https://pypi.org/project/puremagic/>`_,
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or `python-magic<https://pypi.org/project/python-magic/>`_ instead.
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(Contributed by Victor Stinner in:gh:`104773`.)
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* Remove the untested and undocumented:meth:`!unittest.TestProgram.usageExit`
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method, deprecated in Python 3.11.
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(Contributed by Hugo van Kemenade in:gh:`104992`.)

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