Merge tag 'v3.8.0a3'

Python 3.8.0a3

Include/patchlevel.h

@@ -20,10 +20,10 @@
 #define PY_MINOR_VERSION        8
 #define PY_MICRO_VERSION        0
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL       2
+#define PY_RELEASE_SERIAL       3
 
 /* Version as a string */
-#define PY_VERSION              "3.8.0a2+"
+#define PY_VERSION              "3.8.0a3"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

Lib/pydoc_data/topics.py

 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Mon Feb 25 13:03:43 2019
+# Autogenerated by Sphinx on Mon Mar 25 20:32:23 2019
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -11436,15 +11436,6 @@ topics = {'assert': 'The "assert" statement\n'
           'is\n'
           '      the original function object.\n'
           '\n'
-          '      When a user-defined method object is created by retrieving\n'
-          '      another method object from a class or instance, the behaviour '
-          'is\n'
-          '      the same as for a function object, except that the '
-          '"__func__"\n'
-          '      attribute of the new instance is not the original method '
-          'object\n'
-          '      but its "__func__" attribute.\n'
-          '\n'
           '      When an instance method object is created by retrieving a '
           'class\n'
           '      method object from a class or instance, its "__self__" '

Misc/NEWS.d/next/Build/2019-02-21-14-48-31.bpo-31904.J82jY2.rst

-Enable build system to cross-build for VxWorks RTOS.

Misc/NEWS.d/next/Build/2019-02-28-18-09-01.bpo-36146.IwPJVT.rst

-Fix setup.py on macOS: only add ``/usr/include/ffi`` to include
-directories of _ctypes, not for all extensions.

Misc/NEWS.d/next/Build/2019-03-01-17-49-22.bpo-36146.VeoyG7.rst

-Add ``TEST_EXTENSIONS`` constant to ``setup.py`` to allow to not build test
-extensions like ``_testcapi``.

Misc/NEWS.d/next/Build/2019-03-18-23-49-15.bpo-36356.WNrwYI.rst

-Fix leaks that led to build failure when configured with address sanitizer.

Misc/NEWS.d/next/C API/2019-03-01-03-23-48.bpo-36142.7F6wJd.rst

-The whole coreconfig.h header is now excluded from Py_LIMITED_API. Move
-functions definitions into a new internal pycore_coreconfig.h header.

Misc/NEWS.d/next/C API/2019-03-20-22-02-40.bpo-36381.xlzDJ2.rst

-Raise ``DeprecationWarning`` when '#' formats are used for building or
-parsing values without ``PY_SSIZE_T_CLEAN``.

Misc/NEWS.d/next/Core and Builtins/2019-02-11-00-50-03.bpo-11814.M12CMH.rst

-Retire pgen and use a modified version of pgen2 to generate the parser.
-Patch by Pablo Galindo.

Misc/NEWS.d/next/Core and Builtins/2019-02-20-08-51-04.bpo-36048.I3LJt9.rst

-The :meth:`~object.__index__` special method will be used instead of
-:meth:`~object.__int__` for implicit conversion of Python numbers to C
-integers.  Using the ``__int__()`` method in implicit conversions has been
-deprecated.

Misc/NEWS.d/next/Core and Builtins/2019-02-26-17-34-49.bpo-31904.R4KSj6.rst

-Use UTF-8 as the system encoding on VxWorks.

Misc/NEWS.d/next/Core and Builtins/2019-02-27-16-49-08.bpo-35975.IescLY.rst

-Add a ``feature_version`` flag to ``ast.parse()`` (documented) and
-``compile()`` (hidden) that allows tweaking the parser to support older
-versions of the grammar. In particular, if ``feature_version`` is 5 or 6,
-the hacks for the ``async`` and ``await`` keyword from PEP 492 are
-reinstated. (For 7 or higher, these are unconditionally treated as keywords,
-but they are still special tokens rather than ``NAME`` tokens that the
-parser driver recognizes.)

Misc/NEWS.d/next/Core and Builtins/2019-03-01-13-48-01.bpo-36124.Blzxq1.rst

-Add a new interpreter-specific dict and expose it in the C-API via
-PyInterpreterState_GetDict().  This parallels PyThreadState_GetDict().
-However, extension modules should continue using PyModule_GetState() for
-their own internal per-interpreter state.

Misc/NEWS.d/next/Core and Builtins/2019-03-04-18-05-31.bpo-36188.EuUZNz.rst

-Cleaned up left-over vestiges of Python 2 unbound method handling in method objects and documentation.
-Patch by Martijn Pieters
\ No newline at end of file

Misc/NEWS.d/next/Core and Builtins/2019-03-07-13-05-43.bpo-36218.dZemNt.rst

-Fix a segfault occuring when sorting a list of heterogeneous values. Patch
-contributed by Rémi Lapeyre and Elliot Gorokhovsky.
\ No newline at end of file

Misc/NEWS.d/next/Core and Builtins/2019-03-09-15-47-05.bpo-36252.sCQFKq.rst

-Update Unicode databases to version 12.0.0.

Misc/NEWS.d/next/Core and Builtins/2019-03-11-15-37-33.bpo-36262.v3N6Fz.rst

-Fix an unlikely memory leak on conversion from string to float in the function
-``_Py_dg_strtod()`` used by ``float(str)``, ``complex(str)``,
-:func:`pickle.load`, :func:`marshal.load`, etc.

Misc/NEWS.d/next/Core and Builtins/2019-03-11-22-30-56.bpo-30040.W9z8X7.rst

-New empty dict uses fewer memory for now.  It used more memory than empty
-dict created by ``dict.clear()``.  And empty dict creation and deletion
-is about 2x faster.  Patch by Inada Naoki.

Misc/NEWS.d/next/Core and Builtins/2019-03-13-22-47-28.bpo-36282.zs7RKP.rst

-Improved error message for too much positional arguments in some builtin
-functions.

Misc/NEWS.d/next/Core and Builtins/2019-03-18-09-27-54.bpo-36332.yEC-Vz.rst

-The builtin :func:`compile` can now handle AST objects that contain
-assignment expressions. Patch by Pablo Galindo.

Misc/NEWS.d/next/Core and Builtins/2019-03-18-10-56-53.bpo-36333.4dqemZ.rst

-Fix leak in _PyRuntimeState_Fini. Contributed by Stéphane Wirtel.

Misc/NEWS.d/next/Core and Builtins/2019-03-19-00-54-31.bpo-36301.xvOCJb.rst

-Python initialization now fails if decoding ``pybuilddir.txt`` configuration
-file fails at startup.

Misc/NEWS.d/next/Core and Builtins/2019-03-19-02-36-40.bpo-36352.qj2trz.rst

-Python initialization now fails with an error, rather than silently
-truncating paths, if a path is too long.

Misc/NEWS.d/next/Core and Builtins/2019-03-19-03-08-26.bpo-36236.5qN9qK.rst

-At Python initialization, the current directory is no longer prepended to
-:data:`sys.path` if it has been removed.

Misc/NEWS.d/next/Core and Builtins/2019-03-19-15-46-42.bpo-36374.EWKMZE.rst

-Fix a possible null pointer dereference in ``merge_consts_recursive()``.
-Patch by Zackery Spytz.

Misc/NEWS.d/next/Core and Builtins/2019-03-19-15-58-23.bpo-36365.jHaErz.rst

-repr(structseq) is no longer limited to 512 bytes.

Misc/NEWS.d/next/Core and Builtins/2019-03-21-00-24-18.bpo-12477.OZHa0t.rst

-Fix bug in parsermodule when parsing a state in a DFA that has two or more
-arcs with labels of the same type. Patch by Pablo Galindo.

Misc/NEWS.d/next/Core and Builtins/2019-03-21-22-19-38.bpo-36398.B_jXGe.rst

-Fix a possible crash in ``structseq_repr()``.

Misc/NEWS.d/next/Core and Builtins/2019-03-23-19-51-09.bpo-36412.C7acGn.rst

-Fix a possible crash when creating a new dictionary.

Misc/NEWS.d/next/Core and Builtins/2019-03-24-21-33-22.bpo-36421.gJ2Pv9.rst

-Fix a possible double decref in _ctypes.c's ``PyCArrayType_new()``.

Misc/NEWS.d/next/Documentation/2018-11-21-23-01-37.bpo-21314.PG33VT.rst

-A new entry was added to the Core Language Section of the Programming FAQ,
-which explaines the usage of slash(/) in the signature of a function. Patch
-by Lysandros Nikolaou

Misc/NEWS.d/next/Documentation/2019-03-02-00-40-57.bpo-36138.yfjNzG.rst

-Improve documentation about converting datetime.timedelta to scalars.

Misc/NEWS.d/next/Documentation/2019-03-17-20-01-41.bpo-36329.L5dJPD.rst

-Declare the path of the Python binary for the usage of
-``Tools/scripts/serve.py`` when executing ``make -C Doc/ serve``.
-Contributed by Stéphane Wirtel

Misc/NEWS.d/next/IDLE/2018-06-27-21-18-41.bpo-30348.WbaRJW.rst

-Increase test coverage of idlelib.autocomplete by 30%.

Misc/NEWS.d/next/IDLE/2019-02-23-17-53-53.bpo-36096.mN5Ly3.rst

-Refactor class variables to instance variables in colorizer.

Misc/NEWS.d/next/IDLE/2019-02-25-11-40-14.bpo-32129.4qVCzD.rst

-Avoid blurry IDLE application icon on macOS with Tk 8.6. Patch by Kevin
-Walzer.

Misc/NEWS.d/next/IDLE/2019-02-28-18-52-40.bpo-36152.9pkHIU.rst

-Remove colorizer.ColorDelegator.close_when_done and the
-corresponding argument of .close().  In IDLE, both have
-always been None or False since 2007.

Misc/NEWS.d/next/IDLE/2019-03-02-19-39-53.bpo-23216.ZA7H8H.rst

-Add docstrings to IDLE search modules.

Misc/NEWS.d/next/IDLE/2019-03-06-14-47-57.bpo-23205.Vv0gfH.rst

-For the grep module, add tests for findfiles, refactor findfiles to be a
-module-level function, and refactor findfiles to use os.walk.

Misc/NEWS.d/next/IDLE/2019-03-10-00-07-46.bpo-36176.jk_vv6.rst

-Fix IDLE autocomplete & calltip popup colors. Prevent conflicts with Linux
-dark themes (and slightly darken calltip background).

Misc/NEWS.d/next/IDLE/2019-03-21-22-43-21.bpo-36396.xSTX-I.rst

-Remove fgBg param of idlelib.config.GetHighlight(). This param was only used
-twice and changed the return type.

Misc/NEWS.d/next/IDLE/2019-03-23-01-45-56.bpo-36405.m7Wv1F.rst

-Use dict unpacking in idlelib.

Misc/NEWS.d/next/Library/2018-11-09-12-45-28.bpo-35198.EJ8keW.rst

-Fix C++ extension compilation on AIX

Misc/NEWS.d/next/Library/2018-12-21-09-54-30.bpo-21478.5gsXtc.rst

-Calls to a child function created with :func:`unittest.mock.create_autospec`
-should propagate to the parent. Patch by Karthikeyan Singaravelan.

Misc/NEWS.d/next/Library/2018-12-30-14-35-19.bpo-35121.oWmiGU.rst

-Don't set cookie for a request when the request path is a prefix match of
-the cookie's path attribute but doesn't end with "/". Patch by Karthikeyan
-Singaravelan.

Misc/NEWS.d/next/Library/2019-01-05-16-16-20.bpo-35661.H_UOXc.rst

-Store the venv prompt in pyvenv.cfg.

Misc/NEWS.d/next/Library/2019-01-09-23-43-08.bpo-35493.kEcRGE.rst

-Use :func:`multiprocessing.connection.wait` instead of polling each 0.2
-seconds for worker updates in :class:`multiprocessing.Pool`. Patch by Pablo
-Galindo.

Misc/NEWS.d/next/Library/2019-01-11-08-47-58.bpo-35715.Wi3gl0.rst

-Librates the return value of a ProcessPoolExecutor _process_worker after it's no longer needed to free memory
\ No newline at end of file

Misc/NEWS.d/next/Library/2019-01-21-13-56-55.bpo-35802.6633PE.rst

-Clean up code which checked presence of ``os.stat`` / ``os.lstat`` /
-``os.chmod`` which are always present.  Patch by Anthony Sottile.

Misc/NEWS.d/next/Library/2019-01-28-10-19-40.bpo-35843.7rXGQE.rst

-Implement ``__getitem__`` for ``_NamespacePath``.  Patch by Anthony Sottile.

Misc/NEWS.d/next/Library/2019-02-06-12-07-46.bpo-30670.yffB3F.rst

-`pprint.pp` has been added to pretty-print objects with dictionary
-keys being sorted with their insertion order by default. Parameter
-*sort_dicts* has been added to `pprint.pprint`, `pprint.pformat` and
-`pprint.PrettyPrinter`. Contributed by Rémi Lapeyre.

Misc/NEWS.d/next/Library/2019-02-10-16-49-16.bpo-21269.Fqi7VH.rst

-Add ``args`` and ``kwargs`` properties to mock call objects. Contributed by Kumar Akshay.

Misc/NEWS.d/next/Library/2019-02-16-07-11-02.bpo-35899.cjfn5a.rst

-Enum has been fixed to correctly handle empty strings and strings with non-Latin characters (ie. 'α', 'א') without crashing. Original patch contributed by Maxwell. Assisted by Stéphane Wirtel.

Misc/NEWS.d/next/Library/2019-02-19-19-53-46.bpo-36043.l867v0.rst

-:class:`FileCookieJar` supports :term:`path-like object`. Contributed by Stéphane Wirtel

Misc/NEWS.d/next/Library/2019-02-23-06-49-06.bpo-36091.26o4Lc.rst

-Clean up reference to async generator in Lib/types. Patch by Henry Chen.
\ No newline at end of file

Misc/NEWS.d/next/Library/2019-02-25-13-21-43.bpo-36106.VuhEiQ.rst

-Resolve potential name clash with libm's sinpi(). Patch by Dmitrii Pasechnik.

Misc/NEWS.d/next/Library/2019-02-25-23-04-00.bpo-35178.NA_rXa.rst

-Ensure custom :func:`warnings.formatwarning` function can receive `line` as
-positional argument. Based on patch by Tashrif Billah.

Misc/NEWS.d/next/Library/2019-02-26-11-34-44.bpo-35652.6KRJu_.rst

-shutil.copytree(copy_function=...) erroneously pass DirEntry instead of a
-path string.

Misc/NEWS.d/next/Library/2019-02-26-22-41-38.bpo-36130._BnZOo.rst

-Fix ``pdb`` with ``skip=...`` when stepping into a frame without a
-``__name__`` global.  Patch by Anthony Sottile.

Misc/NEWS.d/next/Library/2019-03-01-16-10-01.bpo-36103.n6VgXL.rst

-Default buffer size used by ``shutil.copyfileobj()`` is changed from 16 KiB
-to 64 KiB on non-Windows platform to reduce system call overhead. Contributed
-by Inada Naoki.

Misc/NEWS.d/next/Library/2019-03-03-11-37-09.bpo-36169.8nWJy7.rst

-Add overlap() method to statistics.NormalDist.  Computes the overlapping
-coefficient for two normal distributions.

Misc/NEWS.d/next/Library/2019-03-04-10-42-46.bpo-36179.jEyuI-.rst

-Fix two unlikely reference leaks in _hashopenssl. The leaks only occur in
-out-of-memory cases.

Misc/NEWS.d/next/Library/2019-03-06-13-07-29.bpo-36139.6kedum.rst

-Release GIL when closing :class:`~mmap.mmap` objects.

Misc/NEWS.d/next/Library/2019-03-06-13-21-33.bpo-35807.W7mmu3.rst

-Update ensurepip to install pip 19.0.3 and setuptools 40.8.0.

Misc/NEWS.d/next/Library/2019-03-08-13-32-21.bpo-36235._M72wU.rst

-Fix ``CFLAGS`` in ``customize_compiler()`` of ``distutils.sysconfig``: when
-the ``CFLAGS`` environment variable is defined, don't override ``CFLAGS``
-variable with the ``OPT`` variable anymore. Initial patch written by David
-Malcolm.

Misc/NEWS.d/next/Library/2019-03-09-18-01-24.bpo-36251.zOp9l0.rst

-Fix format strings used for stderrprinter and re.Match reprs. Patch by
-Stephan Hohe.

Misc/NEWS.d/next/Library/2019-03-11-22-06-36.bpo-35931.Qp_Tbe.rst

-The :mod:`pdb` ``debug`` command now gracefully handles all exceptions.

Misc/NEWS.d/next/Library/2019-03-12-21-02-55.bpo-36280.mOd3iH.rst

-Add a kind field to ast.Constant. It is 'u' if the literal has a 'u' prefix
-(i.e. a Python 2 style unicode literal), else None.

Misc/NEWS.d/next/Library/2019-03-13-14-14-36.bpo-36272.f3l2IG.rst

-:mod:`logging` does not silently ignore RecursionError anymore. Patch
-contributed by Rémi Lapeyre.

Misc/NEWS.d/next/Library/2019-03-13-14-55-02.bpo-31904.834kfY.rst

-Add _signal module support for VxWorks.

Misc/NEWS.d/next/Library/2019-03-14-01-09-59.bpo-36285.G-usj8.rst

-Fix integer overflows in the array module. Patch by Stephan Hohe.

Misc/NEWS.d/next/Library/2019-03-14-16-25-17.bpo-36268.MDXLw6.rst

-Switch the default format used for writing tars with mod:`tarfile` to
-the modern POSIX.1-2001 pax standard, from the vendor-specific GNU.
-Contributed by C.A.M. Gerlach.

Misc/NEWS.d/next/Library/2019-03-15-13-54-07.bpo-36298.amEVK2.rst

-Raise ModuleNotFoundError in pyclbr when a module can't be found.
-Thanks to 'mental' for the bug report.

Misc/NEWS.d/next/Library/2019-03-15-21-41-22.bpo-36297.Gz9ZfU.rst

-"unicode_internal" codec is removed.  It was deprecated since Python 3.3.
-Patch by Inada Naoki.

Misc/NEWS.d/next/Library/2019-03-16-13-40-59.bpo-36321.s6crQx.rst

-collections.namedtuple() misspelled the name of an attribute.  To be
-consistent with typing.NamedTuple, the attribute name should have been
-"_field_defaults" instead of "_fields_defaults".  For backwards
-compatibility, both spellings are now created.  The misspelled version may
-be removed in the future.

Misc/NEWS.d/next/Library/2019-03-17-01-17-45.bpo-36324.dvNrRe.rst

-Add method to statistics.NormalDist for computing the inverse cumulative
-normal distribution.

Misc/NEWS.d/next/Library/2019-03-17-16-43-29.bpo-34745.nOfm7_.rst

-Fix :mod:`asyncio` ssl memory issues caused by circular references

Misc/NEWS.d/next/Library/2019-03-18-01-08-14.bpo-36320.-06b9_.rst

-The typing.NamedTuple() class has deprecated the _field_types attribute in
-favor of the __annotations__ attribute which carried the same information.
-Also, both attributes were converted from OrderedDict to a regular dict.

Misc/NEWS.d/next/Library/2019-03-23-10-25-07.bpo-36401.hYpVBS.rst

-The class documentation created by pydoc now has a separate section for
-readonly properties.

Misc/NEWS.d/next/Security/2018-10-31-15-39-17.bpo-35121.EgHv9k.rst

-Don't send cookies of domain A without Domain attribute to domain B
-when domain A is a suffix match of domain B while using a cookiejar
-with :class:`http.cookiejar.DefaultCookiePolicy` policy. Patch by
-Karthikeyan Singaravelan.

Misc/NEWS.d/next/Security/2019-03-06-09-38-40.bpo-36216.6q1m4a.rst

-Changes urlsplit() to raise ValueError when the URL contains characters that
-decompose under IDNA encoding (NFKC-normalization) into characters that
-affect how the URL is parsed.

Misc/NEWS.d/next/Tests/2019-02-26-12-51-35.bpo-36123.QRhhRS.rst

-Fix race condition in test_socket.
\ No newline at end of file

Misc/NEWS.d/next/Tests/2019-02-28-18-33-29.bpo-29571.r6b9fr.rst

-Fix ``test_re.test_locale_flag()``:  use ``locale.getpreferredencoding()``
-rather than ``locale.getlocale()`` to get the locale encoding. With some
-locales, ``locale.getlocale()`` returns the wrong encoding.

Misc/NEWS.d/next/Tests/2019-03-08-12-53-37.bpo-36234.NRVK6W.rst

-test_posix.PosixUidGidTests: add tests for invalid uid/gid type (str).
-Initial patch written by David Malcolm.

Misc/NEWS.d/next/Tools-Demos/2017-12-19-20-42-36.bpo-32217.axXcjA.rst

-Fix freeze script on Windows.

Misc/NEWS.d/next/Tools-Demos/2019-03-04-02-09-09.bpo-35132.1R_pnL.rst

-Fix py-list and py-bt commands of python-gdb.py on gdb7.
\ No newline at end of file

Misc/NEWS.d/next/Windows/2019-02-24-07-52-39.bpo-24643.PofyiS.rst

-Fix name collisions due to ``#define timezone _timezone`` in PC/pyconfig.h.

Misc/NEWS.d/next/Windows/2019-03-11-09-33-47.bpo-36264.rTzWce.rst

-Don't honor POSIX ``HOME`` in ``os.path.expanduser`` on windows.  Patch by
-Anthony Sottile.

Misc/NEWS.d/next/Windows/2019-03-16-16-51-17.bpo-36312.Niwm-T.rst

-Fixed decoders for the following code pages: 50220, 50221, 50222, 50225,
-50227, 50229, 57002 through 57011, 65000 and 42.

README.rst

-This is Python version 3.8.0 alpha 2
+This is Python version 3.8.0 alpha 3
 ====================================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=master