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More whatsnew updates.
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R David Murray
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435ee1fcd2
@ -1366,6 +1366,16 @@ ftplib
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listing format and deprecates :meth:`ftplib.FTP.nlst` and
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:meth:`ftplib.FTP.dir`. (Contributed by Giampaolo Rodolà in :issue:`11072`)
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functools
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---------
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The :func:`functools.lru_cache` decorator now accepts a ``typed`` keyword
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argument (that defaults to ``False`` to ensure that it caches values of
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different types that compare equal in separate cache slots. (Contributed
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by Raymond Hettinger in :issue:`13227`.)
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gc
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--
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@ -1376,21 +1386,9 @@ before and after collection using the new :data:`~gc.callbacks` list.
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hmac
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----
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A new :func:`~hmac.compare_digest` function has been added to prevent
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side channel attacks on digests through timing analysis.
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(Contributed by Nick Coghlan and Christian Heimes in issue:`15061`)
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html.entities
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-------------
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A new :data:`~html.entities.html5` dictionary that maps HTML5 named character
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references to the equivalent Unicode character(s) (e.g. ``html5['gt;'] == '>'``)
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has been added to the :mod:`html.entities` module. The dictionary is now also
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used by :class:`~html.parser.HTMLParser`.
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(Contributed by Ezio Melotti in :issue:`11113` and :issue:`15156`)
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A new :func:`~hmac.compare_digest` function has been added to prevent side
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channel attacks on digests through timing analysis. (Contributed by Nick
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Coghlan and Christian Heimes in :issue:`15061`)
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http
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@ -1402,21 +1400,29 @@ called. A new method :meth:`~http.server.BaseHTTPRequestHandler.flush_headers`
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can be used to directly manage when the accumlated headers are sent.
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(Contributed by Andrew Schaaf in :issue:`3709`.)
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:class:`http.server` now produces valid ``HTML 4.01 strict`` output.
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(Contributed by Ezio Melotti in :issue:`13295`.)
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html.parser
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-----------
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:class:`~html.parser.HTMLParser` is now able to parse broken markup without
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html
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----
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:class:`html.parser.HTMLParser` is now able to parse broken markup without
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raising errors, therefore the *strict* argument of the constructor and the
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:exc:`~html.parser.HTMLParseError` exception are now deprecated.
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The ability to parse broken markup is the result of a number of bug fixes that
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are also available on the latest bug fix releases of Python 2.7/3.2.
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(Contributed by Ezio Melotti in :issue:`15114`, and :issue:`14538`,
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:issue:`13993`, :issue:`13960`, :issue:`13358`, :issue:`1745761`,
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:issue:`755670`, :issue:`13357`, :issue:`12629`, :issue:`1200313`,
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:issue:`670664`, :issue:`13273`, :issue:`12888`, :issue:`7311`)
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A new :data:`~html.entities.html5` dictionary that maps HTML5 named character
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references to the equivalent Unicode character(s) (e.g. ``html5['gt;'] ==
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'>'``) has been added to the :mod:`html.entities` module. The dictionary is
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now also used by :class:`~html.parser.HTMLParser`. (Contributed by Ezio
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Melotti in :issue:`11113` and :issue:`15156`)
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imaplib
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-------
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@ -1655,6 +1661,14 @@ os
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* Some platforms now support additional constants for the :func:`~os.lseek`
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function, such as ``os.SEEK_HOLE`` and ``os.SEEK_DATA``.
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* New constants :data:`~os.RTLD_LAZY`, :data:`~os.RTLD_NOW`,
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:data:`~os.RTLD_GLOBAL`, :data:`~os.RTLD_LOCAL`, :data:`~os.RTLD_NODELETE`,
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:data:`~os.RTLD_NOLOAD`, and :data:`~os.RTLD_DEEPBIND` are available on
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platforms that support them. These are for use with the
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:func:`sys.setdlopenflags` function, and supersede the similar constants
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defined in :mod:`ctypes` and :mod:`DLFCN`. (Contributed by Victor Stinner
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in :issue:`13226`.)
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* :func:`os.symlink` now accepts (and ignores) the ``target_is_directory``
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keyword argument on non-Windows platforms, to ease cross-platform support.
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@ -1727,6 +1741,7 @@ select
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Solaris and derivatives platforms have a new class :class:`select.devpoll`
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for high performance asynchronous sockets via :file:`/dev/poll`.
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(Contributed by Jesús Cea Avión in :issue:`6397`.)
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shlex
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@ -1922,6 +1937,14 @@ the form '-rwxrwxrwx'.
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(Contributed by Giampaolo Rodolà in :issue:`14807`)
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struct
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------
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The :mod:`struct` module now supports ``ssize_t`` and ``size_t`` via the
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new codes ``n`` and ``N``, respectively. (Contributed by Antoine Pitrou
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in :issue:`3163`.)
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subprocess
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----------
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@ -1940,6 +1963,7 @@ The :mod:`sys` module has a new :data:`~sys.thread_info` :term:`struct
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sequence` holding informations about the thread implementation
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(:issue:`11223`).
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textwrap
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--------
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@ -2014,6 +2038,7 @@ context managers. (Contributed by Ezio Melotti and Winston Ewert in
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:meth:`unittest.TestCase.run` now returns the :class:`~unittest.TestResult`
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object.
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urllib
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------
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@ -2050,6 +2075,18 @@ The module's documentation has also been greatly improved with added examples
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and a more detailed reference.
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zlib
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----
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New attribute :attr:`zlib.Decompress.eof` makes it possible to distinguish
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between a properly-formed compressed stream and an incomplete or truncated one.
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(Contributed by Nadeem Vawda in :issue:`12646`.)
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New attribute :attr:`zlib.ZLIB_RUNTIME_VERSION` reports the version string of
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the underlying ``zlib`` library that is loaded at runtime. (Contributed by
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Torsten Landschoff in :issue:`12306`.)
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Optimizations
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=============
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@ -2332,6 +2369,10 @@ Porting Python code
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* The deprecated variable ``time.accept2dyear`` has been removed.
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* The deprecated ``Context._clamp`` attribute has been removed from the
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:mod:`decimal` module. It was previously replaced by the public attribute
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:attr:`~decimal.Context.clamp`. (See :issue:`8540`.)
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* The undocumented internal helper class ``SSLFakeFile`` has been removed
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from :mod:`smtplib`, since its functionality has long been provided directly
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by :meth:`socket.socket.makefile`.
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@ -2703,7 +2703,7 @@ Library
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- Issue #8540: Remove deprecated Context._clamp attribute in Decimal module.
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- Issue #13235: Added PendingDeprecationWarning to warn() method and function.
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- Issue #13235: Added DeprecationWarning to logging.warn() method and function.
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- Issue #9168: now smtpd is able to bind privileged port.
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@ -2724,12 +2724,12 @@ Library
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in order to display the prompt correctly.
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- Issue #12454: The mailbox module is now using ASCII, instead of the locale
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encoding, to read and write MH mailboxes (.mh_sequences files).
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encoding, to read and write .mh_sequences files.
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- Issue #13194: zlib.compressobj().copy() and zlib.decompressobj().copy() are
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now available on Windows.
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- issue #1673007: urllib2 to support HEAD request via new method argument.
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- Issue #1673007: urllib.request now supports HEAD request via new method argument.
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Patch contributions by David Stanek, Patrick Westerhoff and Ezio Melotti.
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- Issue #12386: packaging does not fail anymore when writing the RESOURCES
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@ -2770,8 +2770,6 @@ Library
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metaclass is registered with copyreg. Patch by Nicolas M. Thiéry and Craig
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Citro.
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- Issue #4147: minidom's toprettyxml no longer adds whitespace to text nodes.
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- Issue #13034: When decoding some SSL certificates, the subjectAltName
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extension could be unreported.
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