diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/compileall.rst | 12 | ||||
| -rw-r--r-- | Doc/library/imghdr.rst | 4 | ||||
| -rw-r--r-- | Doc/library/inspect.rst | 20 | ||||
| -rw-r--r-- | Doc/whatsnew/3.5.rst | 163 |
4 files changed, 185 insertions, 14 deletions
diff --git a/Doc/library/compileall.rst b/Doc/library/compileall.rst index 0325f1a..a4c09cc 100644 --- a/Doc/library/compileall.rst +++ b/Doc/library/compileall.rst @@ -88,14 +88,12 @@ compile Python sources. Added the ``-i``, ``-b`` and ``-h`` options. .. versionchanged:: 3.5 - Added the ``-j`` and ``-r`` options. -.. versionchanged:: 3.5 - ``-q`` option was changed to a multilevel value. - -.. versionchanged:: 3.5 - ``-b`` will always produce a byte-code file ending in ``.pyc``, never - ``.pyo``. + * Added the ``-j`` and ``-r`` options. + * ``-q`` option was changed to a multilevel value. + * ``-qq`` option. + * ``-b`` will always produce a byte-code file ending in ``.pyc``, + never ``.pyo``. There is no command-line option to control the optimization level used by the diff --git a/Doc/library/imghdr.rst b/Doc/library/imghdr.rst index c60df24..f11f6dc 100644 --- a/Doc/library/imghdr.rst +++ b/Doc/library/imghdr.rst @@ -54,10 +54,8 @@ from :func:`what`: +------------+-----------------------------------+ .. versionadded:: 3.5 - The *exr* format was added. + The *exr* and *webp* formats were added. -.. versionchanged:: 3.5 - The *webp* type was added. You can extend the list of file types :mod:`imghdr` can recognize by appending to this variable: diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst index d2247e8..26a2913 100644 --- a/Doc/library/inspect.rst +++ b/Doc/library/inspect.rst @@ -1039,6 +1039,11 @@ line. returned list represents *frame*; the last entry represents the outermost call on *frame*'s stack. + .. versionchanged:: 3.5 + A list of :term:`named tuples <named tuple>` + ``FrameInfo(frame, filename, lineno, function, code_context, index)`` + is returned. + .. function:: getinnerframes(traceback, context=1) @@ -1047,6 +1052,11 @@ line. list represents *traceback*; the last entry represents where the exception was raised. + .. versionchanged:: 3.5 + A list of :term:`named tuples <named tuple>` + ``FrameInfo(frame, filename, lineno, function, code_context, index)`` + is returned. + .. function:: currentframe() @@ -1066,6 +1076,11 @@ line. returned list represents the caller; the last entry represents the outermost call on the stack. + .. versionchanged:: 3.5 + A list of :term:`named tuples <named tuple>` + ``FrameInfo(frame, filename, lineno, function, code_context, index)`` + is returned. + .. function:: trace(context=1) @@ -1074,6 +1089,11 @@ line. entry in the list represents the caller; the last entry represents where the exception was raised. + .. versionchanged:: 3.5 + A list of :term:`named tuples <named tuple>` + ``FrameInfo(frame, filename, lineno, function, code_context, index)`` + is returned. + Fetching attributes statically ------------------------------ diff --git a/Doc/whatsnew/3.5.rst b/Doc/whatsnew/3.5.rst index 6d07869..c2e0251 100644 --- a/Doc/whatsnew/3.5.rst +++ b/Doc/whatsnew/3.5.rst @@ -122,7 +122,14 @@ Significantly Improved Library Modules: Security improvements: -* None yet. +* SSLv3 is now disabled throughout the standard library. + It can still be enabled by instantiating a :class:`ssl.SSLContext` + manually. (See :issue:`22638` for more details; this change was + backported to CPython 3.4 and 2.7.) + +* HTTP cookie parsing is now stricter, in order to protect + against potential injection attacks. (Contributed by Antoine Pitrou + in :issue:`22796`.) Windows improvements: @@ -606,6 +613,13 @@ argparse :ref:`allow_abbrev` to ``False``. (Contributed by Jonathan Paugh, Steven Bethard, paul j3 and Daniel Eriksson.) +bz2 +--- + +* New option *max_length* for :meth:`~bz2.BZ2Decompressor.decompress` + to limit the maximum size of decompressed data. + (Contributed by Nikolaus Rath in :issue:`15955`.) + cgi --- @@ -645,6 +659,20 @@ compileall can now do parallel bytecode compilation. (Contributed by Claudiu Popa in :issue:`16104`.) +* *quiet* parameter of :func:`compileall.compile_dir`, + :func:`compileall.compile_file`, and :func:`compileall.compile_path` + functions now has a multilevel value. New ``-qq`` command line option + is available for suppressing the output. + (Contributed by Thomas Kluyver in :issue:`21338`.) + +concurrent.futures +------------------ + +* :meth:`~concurrent.futures.Executor.map` now takes a *chunksize* + argument to allow batching of tasks in child processes and improve + performance of ProcessPoolExecutor. + (Contributed by Dan O'Reilly in :issue:`11271`.) + contextlib ---------- @@ -714,6 +742,12 @@ glob subdirectories using the "``**``" pattern. (Contributed by Serhiy Storchaka in :issue:`13968`.) +heapq +----- + +* :func:`~heapq.merge` has two new optional parameters ``reverse`` and + ``key``. (Contributed by Raymond Hettinger in :issue:`13742`.) + idlelib and IDLE ---------------- @@ -746,7 +780,9 @@ imghdr ------ * :func:`~imghdr.what` now recognizes the `OpenEXR <http://www.openexr.com>`_ - format. (Contributed by Martin Vignali and Claudiu Popa in :issue:`20295`.) + format (contributed by Martin Vignali and Claudiu Popa in :issue:`20295`), + and the `WebP <https://en.wikipedia.org/wiki/WebP>`_ format (contributed + by Fabrice Aneche and Claudiu Popa in :issue:`20197`.) importlib --------- @@ -763,6 +799,7 @@ importlib * :func:`importlib.util.module_from_spec` is now the preferred way to create a new module. Compared to :class:`types.ModuleType`, this new function will set the various import-controlled attributes based on the passed-in spec object. + (Contributed by Brett Cannon in :issue:`20383`.) inspect ------- @@ -788,6 +825,10 @@ inspect * New :func:`~inspect.getcoroutinelocals` and :func:`~inspect.getcoroutinestate` functions. (Contributed by Yury Selivanov in :issue:`24400`.) +* :func:`~inspect.stack`, :func:`~inspect.trace`, :func:`~inspect.getouterframes`, + and :func:`~inspect.getinnerframes` now return a list of named tuples. + (Contributed by Daniel Shahaf in :issue:`16808`.) + ipaddress --------- @@ -807,6 +848,35 @@ json * JSON decoder now raises :exc:`json.JSONDecodeError` instead of :exc:`ValueError`. (Contributed by Serhiy Storchaka in :issue:`19361`.) +locale +------ + + * New :func:`~locale.delocalize` function to convert a string into a + normalized number string, following the ``LC_NUMERIC`` settings. + (Contributed by Cédric Krier in :issue:`13918`.) + +logging +------- + +* All logging methods :meth:`~logging.Logger.log`, :meth:`~logging.Logger.exception`, + :meth:`~logging.Logger.critical`, :meth:`~logging.Logger.debug`, etc, + now accept exception instances for ``exc_info`` parameter, in addition + to boolean values and exception tuples. + (Contributed by Yury Selivanov in :issue:`20537`.) + +* :class:`~logging.handlers.HTTPHandler` now accepts optional + :class:`ssl.SSLContext` instance to configure the SSL settings used + for HTTP connection. + (Contributed by Alex Gaynor in :issue:`22788`.) + +lzma +---- + +* New option *max_length* for :meth:`~lzma.LZMADecompressor.decompress` + to limit the maximum size of decompressed data. + (Contributed by Martin Panter in :issue:`15955`.) + + math ---- @@ -832,6 +902,10 @@ os function is now used. These functions avoid the usage of an internal file descriptor. +* New :func:`os.get_blocking` and :func:`os.set_blocking` functions to + get and set the blocking mode of file descriptors. + (Contributed by Victor Stinner in :issue:`22054`.) + os.path ------- @@ -839,6 +913,25 @@ os.path Unlike the :func:`~os.path.commonprefix` function, it always returns a valid path. (Contributed by Rafik Draoui and Serhiy Storchaka in :issue:`10395`.) +pathlib +------- + +* New :meth:`~pathlib.Path.samefile` method to check if other path object + points to the same file. (Contributed by Vajrasky Kok and Antoine Pitrou + in :issue:`19775`.) + +* :meth:`~pathlib.Path.mkdir` has a new optional parameter ``exist_ok`` + to mimic ``mkdir -p`` and :func:`os.makrdirs` functionality. + (Contributed by Berker Peksag in :issue:`21539`.) + +* New :meth:`~pathlib.Path.expanduser` to expand ``~`` and ``~user`` + constructs. + (Contributed by Serhiy Storchaka and Claudiu Popa in :issue:`19776`.) + +* New class method :meth:`~pathlib.Path.home` to get an instance of + :class:`~pathlib.Path` object representing the user’s home directory. + (Contributed by Victor Salgado and Mayank Tripathi in :issue:`19777`.) + pickle ------ @@ -862,6 +955,12 @@ re * Now unmatched groups are replaced with empty strings in :func:`re.sub` and :func:`re.subn`. (Contributed by Serhiy Storchaka in :issue:`1519638`.) +readline +-------- + +* New :func:`~readline.append_history_file` function. + (Contributed by Bruno Cauet in :issue:`22940`.) + shutil ------ @@ -870,6 +969,9 @@ shutil :func:`~shutil.copy2` if there is a need to ignore metadata. (Contributed by Claudiu Popa in :issue:`19840`.) +* :func:`~shutil.make_archive` now supports *xztar* format. + (Contributed by Serhiy Storchaka in :issue:`5411`.) + signal ------ @@ -948,6 +1050,14 @@ ssl :meth:`SSLContext.wrap_bio <ssl.SSLContext.wrap_bio>` method. (Contributed by Geert Jansen in :issue:`21965`.) +* New :meth:`~ssl.SSLSocket.version` to query the actual protocol version + in use. (Contributed by Antoine Pitrou in :issue:`20421`.) + +* New :meth:`~ssl.SSLObject.shared_ciphers` and + :meth:`~ssl.SSLSocket.shared_ciphers` methods to fetch the client's + list of ciphers sent at handshake. + (Contributed by Benjamin Peterson in :issue:`23186`.) + socket ------ @@ -961,6 +1071,9 @@ socket anymore each time bytes are received or sent. The socket timeout is now the maximum total duration to send all data. +* Functions with timeouts now use a monotonic clock, instead of a + system clock. (Contributed by Victor Stinner in :issue:`22043`.) + subprocess ---------- @@ -975,6 +1088,9 @@ sys * New :func:`~sys.set_coroutine_wrapper` and :func:`~sys.get_coroutine_wrapper` functions. (Contributed by Yury Selivanov in :issue:`24017`.) +* New :func:`~sys.is_finalizing` to check for :term:`interpreter shutdown`. + (Contributed by Antoine Pitrou in :issue:`22696`.) + sysconfig --------- @@ -991,9 +1107,16 @@ tarfile methods now take a keyword parameter *numeric_only*. If set to ``True``, the extracted files and directories will be owned by the numeric uid and gid from the tarfile. If set to ``False`` (the default, and the behavior in - versions prior to 3.5), they will be owned bythe named user and group in the + versions prior to 3.5), they will be owned by the named user and group in the tarfile. (Contributed by Michael Vogt and Eric Smith in :issue:`23193`.) +threading +--------- + +* :meth:`~threading.Lock.acquire` and :meth:`~threading.RLock.acquire` + now use a monotonic clock for managing timeouts. + (Contributed by Victor Stinner in :issue:`22043`.) + time ---- @@ -1008,6 +1131,17 @@ tkinter module which makes no permanent changes to environment variables. (Contributed by Zachary Ware in :issue:`20035`.) +traceback +--------- + +* New :func:`~traceback.walk_stack` and :func:`~traceback.walk_tb` + functions to conveniently traverse frame and traceback objects. + (Contributed by Robert Collins in :issue:`17911`.) + +* New lightweight classes: :class:`~traceback.TracebackException`, + :class:`~traceback.StackSummary`, and :class:`traceback.FrameSummary`. + (Contributed by Robert Collins in :issue:`17911`.) + types ----- @@ -1032,6 +1166,10 @@ urllib control the encoding of query parts if needed. (Contributed by Samwyse and Arnon Yaari in :issue:`13866`.) +* :func:`~urllib.request.urlopen` accepts an :class:`ssl.SSLContext` + object as a *context* argument, which will be used for the HTTPS + connection. (Contributed by Alex Gaynor in :issue:`22366`.) + unicodedata ----------- @@ -1051,6 +1189,10 @@ xmlrpc * :class:`xmlrpc.client.ServerProxy` is now a :term:`context manager`. (Contributed by Claudiu Popa in :issue:`20627`.) +* :class:`~xmlrpc.client.ServerProxy` constructor now accepts an optional + :class:`ssl.SSLContext` instance. + (Contributed by Alex Gaynor in :issue:`22960`.) + xml.sax ------- @@ -1096,7 +1238,10 @@ The following performance enhancements have been added: :meth:`~ipaddress.IPv4Network.subnets`, :meth:`~ipaddress.IPv4Network.supernet`, :func:`~ipaddress.summarize_address_range`, :func:`~ipaddress.collapse_addresses`. The speed up can range from 3x to 15x. - (:issue:`21486`, :issue:`21487`, :issue:`20826`) + (See :issue:`21486`, :issue:`21487`, :issue:`20826`, :issue:`23266`.) + +* Pickling of :mod:`ipaddress` classes was optimized to produce significantly + smaller output. (Contributed by Serhiy Storchaka in :issue:`23133`.) * Many operations on :class:`io.BytesIO` are now 50% to 100% faster. (Contributed by Serhiy Storchaka in :issue:`15381` and David Wilson in @@ -1109,6 +1254,13 @@ The following performance enhancements have been added: * The UTF-32 encoder is now 3x to 7x faster. (Contributed by Serhiy Storchaka in :issue:`15027`.) +* Regular expressions are now parsed up to 10% faster. + (Contributed by Serhiy Storchaka in :issue:`19380`.) + +* :func:`json.dumps` was optimized to run with ``ensure_ascii=False`` + as fast as with ``ensure_ascii=True``. + (Contributed by Naoki Inada in :issue:`23206`.) + Build and C API Changes ======================= @@ -1185,6 +1337,9 @@ Deprecated Python modules, functions and methods deprecated in favor of :func:`inspect.signature` API. (See :issue:`20438` for details.) +* Use of ``re.LOCALE`` flag with str patterns or ``re.ASCII`` is now + deprecated. (Contributed by Serhiy Storchaka in :issue:`22407`.) + Deprecated functions and types of the C API ------------------------------------------- |