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3.7.0b5

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This commit is contained in:
Ned Deily 2018-05-30 19:50:49 -04:00
parent 0e823c6efa
commit abb8802389
64 changed files with 774 additions and 122 deletions
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4
Include/patchlevel.h
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@ -20,10 +20,10 @@
#define PY_MINOR_VERSION 7 #define PY_MINOR_VERSION 7
#define PY_MICRO_VERSION 0 #define PY_MICRO_VERSION 0
#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA #define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA
#define PY_RELEASE_SERIAL 4 #define PY_RELEASE_SERIAL 5
/* Version as a string */ /* Version as a string */
#define PY_VERSION "3.7.0b4+" #define PY_VERSION "3.7.0b5"
/*--end constants--*/ /*--end constants--*/
/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2. /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

182
Lib/pydoc_data/topics.py
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@ -1,5 +1,5 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Autogenerated by Sphinx on Wed May 2 03:29:32 2018 # Autogenerated by Sphinx on Wed May 30 19:43:20 2018
topics = {'assert': 'The "assert" statement\n' topics = {'assert': 'The "assert" statement\n'
'**********************\n' '**********************\n'
'\n' '\n'
@ -403,6 +403,134 @@ topics = {'assert': 'The "assert" statement\n'
'See also: **PEP 526** - Variable and attribute annotation ' 'See also: **PEP 526** - Variable and attribute annotation '
'syntax\n' 'syntax\n'
' **PEP 484** - Type hints\n', ' **PEP 484** - Type hints\n',
'async': 'Coroutines\n'
'**********\n'
'\n'
'New in version 3.5.\n'
'\n'
'\n'
'Coroutine function definition\n'
'=============================\n'
'\n'
' async_funcdef ::= [decorators] "async" "def" funcname "(" '
'[parameter_list] ")" ["->" expression] ":" suite\n'
'\n'
'Execution of Python coroutines can be suspended and resumed at '
'many\n'
'points (see *coroutine*). In the body of a coroutine, any "await" '
'and\n'
'"async" identifiers become reserved keywords; "await" expressions,\n'
'"async for" and "async with" can only be used in coroutine bodies.\n'
'\n'
'Functions defined with "async def" syntax are always coroutine\n'
'functions, even if they do not contain "await" or "async" '
'keywords.\n'
'\n'
'It is a "SyntaxError" to use "yield from" expressions in "async '
'def"\n'
'coroutines.\n'
'\n'
'An example of a coroutine function:\n'
'\n'
' async def func(param1, param2):\n'
' do_stuff()\n'
' await some_coroutine()\n'
'\n'
'\n'
'The "async for" statement\n'
'=========================\n'
'\n'
' async_for_stmt ::= "async" for_stmt\n'
'\n'
'An *asynchronous iterable* is able to call asynchronous code in '
'its\n'
'*iter* implementation, and *asynchronous iterator* can call\n'
'asynchronous code in its *next* method.\n'
'\n'
'The "async for" statement allows convenient iteration over\n'
'asynchronous iterators.\n'
'\n'
'The following code:\n'
'\n'
' async for TARGET in ITER:\n'
' BLOCK\n'
' else:\n'
' BLOCK2\n'
'\n'
'Is semantically equivalent to:\n'
'\n'
' iter = (ITER)\n'
' iter = type(iter).__aiter__(iter)\n'
' running = True\n'
' while running:\n'
' try:\n'
' TARGET = await type(iter).__anext__(iter)\n'
' except StopAsyncIteration:\n'
' running = False\n'
' else:\n'
' BLOCK\n'
' else:\n'
' BLOCK2\n'
'\n'
'See also "__aiter__()" and "__anext__()" for details.\n'
'\n'
'It is a "SyntaxError" to use "async for" statement outside of an\n'
'"async def" function.\n'
'\n'
'\n'
'The "async with" statement\n'
'==========================\n'
'\n'
' async_with_stmt ::= "async" with_stmt\n'
'\n'
'An *asynchronous context manager* is a *context manager* that is '
'able\n'
'to suspend execution in its *enter* and *exit* methods.\n'
'\n'
'The following code:\n'
'\n'
' async with EXPR as VAR:\n'
' BLOCK\n'
'\n'
'Is semantically equivalent to:\n'
'\n'
' mgr = (EXPR)\n'
' aexit = type(mgr).__aexit__\n'
' aenter = type(mgr).__aenter__(mgr)\n'
'\n'
' VAR = await aenter\n'
' try:\n'
' BLOCK\n'
' except:\n'
' if not await aexit(mgr, *sys.exc_info()):\n'
' raise\n'
' else:\n'
' await aexit(mgr, None, None, None)\n'
'\n'
'See also "__aenter__()" and "__aexit__()" for details.\n'
'\n'
'It is a "SyntaxError" to use "async with" statement outside of an\n'
'"async def" function.\n'
'\n'
'See also: **PEP 492** - Coroutines with async and await syntax\n'
'\n'
'-[ Footnotes ]-\n'
'\n'
'[1] The exception is propagated to the invocation stack unless\n'
' there is a "finally" clause which happens to raise another\n'
' exception. That new exception causes the old one to be lost.\n'
'\n'
'[2] Currently, control “flows off the end” except in the case of\n'
' an exception or the execution of a "return", "continue", or\n'
' "break" statement.\n'
'\n'
'[3] A string literal appearing as the first statement in the\n'
' function body is transformed into the function’s "__doc__"\n'
' attribute and therefore the function’s *docstring*.\n'
'\n'
'[4] A string literal appearing as the first statement in the class\n'
' body is transformed into the namespace’s "__doc__" item and\n'
' therefore the class’s *docstring*.\n',
'atom-identifiers': 'Identifiers (Names)\n' 'atom-identifiers': 'Identifiers (Names)\n'
'*******************\n' '*******************\n'
'\n' '\n'
@ -6222,13 +6350,13 @@ topics = {'assert': 'The "assert" statement\n'
'\n' '\n'
'Lambda expressions (sometimes called lambda forms) are used to ' 'Lambda expressions (sometimes called lambda forms) are used to '
'create\n' 'create\n'
'anonymous functions. The expression "lambda arguments: ' 'anonymous functions. The expression "lambda parameters: '
'expression"\n' 'expression"\n'
'yields a function object. The unnamed object behaves like a ' 'yields a function object. The unnamed object behaves like a '
'function\n' 'function\n'
'object defined with:\n' 'object defined with:\n'
'\n' '\n'
' def <lambda>(arguments):\n' ' def <lambda>(parameters):\n'
' return expression\n' ' return expression\n'
'\n' '\n'
'See section Function definitions for the syntax of parameter ' 'See section Function definitions for the syntax of parameter '
@ -8593,6 +8721,8 @@ topics = {'assert': 'The "assert" statement\n'
'When a class definition is executed, the following steps ' 'When a class definition is executed, the following steps '
'occur:\n' 'occur:\n'
'\n' '\n'
'* MRO entries are resolved\n'
'\n'
'* the appropriate metaclass is determined\n' '* the appropriate metaclass is determined\n'
'\n' '\n'
'* the class namespace is prepared\n' '* the class namespace is prepared\n'
@ -8602,6 +8732,24 @@ topics = {'assert': 'The "assert" statement\n'
'* the class object is created\n' '* the class object is created\n'
'\n' '\n'
'\n' '\n'
'Resolving MRO entries\n'
'---------------------\n'
'\n'
'If a base that appears in class definition is not an '
'instance of\n'
'"type", then an "__mro_entries__" method is searched on it. '
'If found,\n'
'it is called with the original bases tuple. This method must '
'return a\n'
'tuple of classes that will be used instead of this base. The '
'tuple may\n'
'be empty, in such case the original base is ignored.\n'
'\n'
'See also: **PEP 560** - Core support for typing module and '
'generic\n'
' types\n'
'\n'
'\n'
'Determining the appropriate metaclass\n' 'Determining the appropriate metaclass\n'
'-------------------------------------\n' '-------------------------------------\n'
'\n' '\n'
@ -8720,7 +8868,7 @@ topics = {'assert': 'The "assert" statement\n'
'initialised\n' 'initialised\n'
'correctly. Failing to do so will result in a ' 'correctly. Failing to do so will result in a '
'"DeprecationWarning" in\n' '"DeprecationWarning" in\n'
'Python 3.6, and a "RuntimeWarning" in the future.\n' 'Python 3.6, and a "RuntimeError" in Python 3.8.\n'
'\n' '\n'
'When using the default metaclass "type", or any metaclass ' 'When using the default metaclass "type", or any metaclass '
'that\n' 'that\n'
@ -8872,6 +9020,32 @@ topics = {'assert': 'The "assert" statement\n'
' module) to the language.\n' ' module) to the language.\n'
'\n' '\n'
'\n' '\n'
'Emulating generic types\n'
'=======================\n'
'\n'
'One can implement the generic class syntax as specified by '
'**PEP 484**\n'
'(for example "List[int]") by defining a special method\n'
'\n'
'classmethod object.__class_getitem__(cls, key)\n'
'\n'
' Return an object representing the specialization of a '
'generic class\n'
' by type arguments found in *key*.\n'
'\n'
'This method is looked up on the class object itself, and '
'when defined\n'
'in the class body, this method is implicitly a class '
'method. Note,\n'
'this mechanism is primarily reserved for use with static '
'type hints,\n'
'other usage is discouraged.\n'
'\n'
'See also: **PEP 560** - Core support for typing module and '
'generic\n'
' types\n'
'\n'
'\n'
'Emulating callable objects\n' 'Emulating callable objects\n'
'==========================\n' '==========================\n'
'\n' '\n'

592
Misc/NEWS.d/3.7.0b5.rst Normal file
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@ -0,0 +1,592 @@
.. bpo: 33622
.. date: 2018-05-23-20-46-14
.. nonce: xPucO9
.. release date: 2018-05-30
.. section: Core and Builtins
Fixed a leak when the garbage collector fails to add an object with the
``__del__`` method or referenced by it into the :data:`gc.garbage` list.
:c:func:`PyGC_Collect` can now be called when an exception is set and
preserves it.
..
.. bpo: 33509
.. date: 2018-05-14-17-31-02
.. nonce: pIUfTd
.. section: Core and Builtins
Fix module_globals parameter of warnings.warn_explicit(): don't crash if
module_globals is not a dict.
..
.. bpo: 20104
.. date: 2018-05-14-11-34-55
.. nonce: kqBNzv
.. section: Core and Builtins
The new `os.posix_spawn` added in 3.7.0b1 was removed as we are still
working on what the API should look like. Expect this in 3.8 instead.
..
.. bpo: 33475
.. date: 2018-05-13-01-26-18
.. nonce: rI0y1U
.. section: Core and Builtins
Fixed miscellaneous bugs in converting annotations to strings and optimized
parentheses in the string representation.
..
.. bpo: 33391
.. date: 2018-05-02-08-36-03
.. nonce: z4a7rb
.. section: Core and Builtins
Fix a leak in set_symmetric_difference().
..
.. bpo: 28055
.. date: 2018-04-25-20-44-42
.. nonce: f49kfC
.. section: Core and Builtins
Fix unaligned accesses in siphash24(). Patch by Rolf Eike Beer.
..
.. bpo: 32911
.. date: 2018-02-27-20-57-00
.. nonce: cmKfco
.. section: Core and Builtins
Due to unexpected compatibility issues discovered during downstream beta
testing, reverted :issue:`29463`. ``docstring`` field is removed from
Module, ClassDef, FunctionDef, and AsyncFunctionDef ast nodes which was
added in 3.7a1. Docstring expression is restored as a first statement in
their body. Based on patch by Inada Naoki.
..
.. bpo: 21983
.. date: 2017-10-02-21-02-14
.. nonce: UoC319
.. section: Core and Builtins
Fix a crash in `ctypes.cast()` in case the type argument is a ctypes
structured data type. Patch by Eryk Sun and Oren Milman.
..
.. bpo: 32751
.. date: 2018-05-29-15-32-18
.. nonce: oBTqr7
.. section: Library
When cancelling the task due to a timeout, :meth:`asyncio.wait_for` will now
wait until the cancellation is complete.
..
.. bpo: 32684
.. date: 2018-05-29-12-51-18
.. nonce: ZEIism
.. section: Library
Fix gather to propagate cancellation of itself even with return_exceptions.
..
.. bpo: 33654
.. date: 2018-05-29-01-13-39
.. nonce: sa81Si
.. section: Library
Support protocol type switching in SSLTransport.set_protocol().
..
.. bpo: 33674
.. date: 2018-05-29-00-37-56
.. nonce: 2IkGhL
.. section: Library
Pause the transport as early as possible to further reduce the risk of
data_received() being called before connection_made().
..
.. bpo: 33674
.. date: 2018-05-28-22-49-59
.. nonce: 6LFFj7
.. section: Library
Fix a race condition in SSLProtocol.connection_made() of asyncio.sslproto:
start immediately the handshake instead of using call_soon(). Previously,
data_received() could be called before the handshake started, causing the
handshake to hang or fail.
..
.. bpo: 31467
.. date: 2018-05-28-18-40-26
.. nonce: s4Fad3
.. section: Library
Fixed bug where calling write_eof() on a _SelectorSocketTransport after it's
already closed raises AttributeError.
..
.. bpo: 32610
.. date: 2018-05-28-16-40-32
.. nonce: KvUAsL
.. section: Library
Make asyncio.all_tasks() return only pending tasks.
..
.. bpo: 32410
.. date: 2018-05-28-16-19-35
.. nonce: Z1DZaF
.. section: Library
Avoid blocking on file IO in sendfile fallback code
..
.. bpo: 33469
.. date: 2018-05-28-15-55-12
.. nonce: hmXBpY
.. section: Library
Fix RuntimeError after closing loop that used run_in_executor
..
.. bpo: 33672
.. date: 2018-05-28-12-29-54
.. nonce: GM_Xm_
.. section: Library
Fix Task.__repr__ crash with Cython's bogus coroutines
..
.. bpo: 33654
.. date: 2018-05-26-13-09-34
.. nonce: IbYWxA
.. section: Library
Fix transport.set_protocol() to support switching between asyncio.Protocol
and asyncio.BufferedProtocol. Fix loop.start_tls() to work with
asyncio.BufferedProtocols.
..
.. bpo: 33652
.. date: 2018-05-26-10-13-59
.. nonce: humFJ1
.. section: Library
Pickles of type variables and subscripted generics are now future-proof and
compatible with older Python versions.
..
.. bpo: 32493
.. date: 2018-05-24-17-41-36
.. nonce: 5tAoAu
.. section: Library
Fixed :func:`uuid.uuid1` on FreeBSD.
..
.. bpo: 33618
.. date: 2018-05-23-20-14-34
.. nonce: xU39lr
.. section: Library
Finalize and document preliminary and experimental TLS 1.3 support with
OpenSSL 1.1.1
..
.. bpo: 33623
.. date: 2018-05-23-14-58-05
.. nonce: wAw1cF
.. section: Library
Fix possible SIGSGV when asyncio.Future is created in __del__
..
.. bpo: 30877
.. date: 2018-05-22-13-05-12
.. nonce: JZEGjI
.. section: Library
Fixed a bug in the Python implementation of the JSON decoder that prevented
the cache of parsed strings from clearing after finishing the decoding.
Based on patch by c-fos.
..
.. bpo: 33570
.. date: 2018-05-18-21-50-47
.. nonce: 7CZy4t
.. section: Library
Change TLS 1.3 cipher suite settings for compatibility with OpenSSL
1.1.1-pre6 and newer. OpenSSL 1.1.1 will have TLS 1.3 cipers enabled by
default.
..
.. bpo: 28556
.. date: 2018-05-17-22-53-08
.. nonce: C6Hnd1
.. section: Library
Do not simplify arguments to `typing.Union`. Now `Union[Manager, Employee]`
is not simplified to `Employee` at runtime. Such simplification previously
caused several bugs and limited possibilities for introspection.
..
.. bpo: 33540
.. date: 2018-05-16-18-10-38
.. nonce: wy9LRV
.. section: Library
Add a new ``block_on_close`` class attribute to ``ForkingMixIn`` and
``ThreadingMixIn`` classes of :mod:`socketserver`.
..
.. bpo: 33548
.. date: 2018-05-16-17-05-48
.. nonce: xWslmx
.. section: Library
tempfile._candidate_tempdir_list should consider common TEMP locations
..
.. bpo: 33109
.. date: 2018-05-16-14-57-58
.. nonce: nPLL_S
.. section: Library
argparse subparsers are once again not required by default, reverting the
change in behavior introduced by bpo-26510 in 3.7.0a2.
..
.. bpo: 33536
.. date: 2018-05-16-10-07-40
.. nonce: _s0TE8
.. section: Library
dataclasses.make_dataclass now checks for invalid field names and duplicate
fields. Also, added a check for invalid field specifications.
..
.. bpo: 33542
.. date: 2018-05-16-09-30-27
.. nonce: idNAcs
.. section: Library
Prevent ``uuid.get_node`` from using a DUID instead of a MAC on Windows.
Patch by Zvi Effron
..
.. bpo: 26819
.. date: 2018-05-16-05-24-43
.. nonce: taxbVT
.. section: Library
Fix race condition with `ReadTransport.resume_reading` in Windows proactor
event loop.
..
.. bpo: 0
.. date: 2018-05-15-18-02-03
.. nonce: pj2Mbb
.. section: Library
Fix failure in `typing.get_type_hints()` when ClassVar was provided as a
string forward reference.
..
.. bpo: 33505
.. date: 2018-05-14-18-05-35
.. nonce: L8pAyt
.. section: Library
Optimize asyncio.ensure_future() by reordering if checks: 1.17x faster.
..
.. bpo: 33497
.. date: 2018-05-14-17-49-34
.. nonce: wWT6XM
.. section: Library
Add errors param to cgi.parse_multipart and make an encoding in FieldStorage
use the given errors (needed for Twisted). Patch by Amber Brown.
..
.. bpo: 33495
.. date: 2018-05-14-10-29-03
.. nonce: TeGTQJ
.. section: Library
Change dataclasses.Fields repr to use the repr of each of its members,
instead of str. This makes it more clear what each field actually
represents. This is especially true for the 'type' member.
..
.. bpo: 33453
.. date: 2018-05-12-06-01-02
.. nonce: Fj-jMD
.. section: Library
Fix dataclasses to work if using literal string type annotations or if using
PEP 563 "Postponed Evaluation of Annotations". Only specific string
prefixes are detected for both ClassVar ("ClassVar" and "typing.ClassVar")
and InitVar ("InitVar" and "dataclasses.InitVar").
..
.. bpo: 28556
.. date: 2018-05-08-16-43-42
.. nonce: _xr5mp
.. section: Library
Minor fixes in typing module: add annotations to ``NamedTuple.__new__``,
pass ``*args`` and ``**kwds`` in ``Generic.__new__``. Original PRs by
Paulius Šarka and Chad Dombrova.
..
.. bpo: 20087
.. date: 2018-05-05-18-02-24
.. nonce: lJrvXL
.. section: Library
Updated alias mapping with glibc 2.27 supported locales.
..
.. bpo: 33422
.. date: 2018-05-05-09-53-05
.. nonce: 4FtQ0q
.. section: Library
Fix trailing quotation marks getting deleted when looking up byte/string
literals on pydoc. Patch by Andrés Delfino.
..
.. bpo: 28167
.. date: 2018-05-02-07-26-29
.. nonce: 7FwDfN
.. section: Library
The function ``platform.linux_ditribution`` and ``platform.dist`` now
trigger a ``DeprecationWarning`` and have been marked for removal in Python
3.8
..
.. bpo: 33197
.. date: 2018-04-29-23-56-20
.. nonce: dgRLqr
.. section: Library
Update error message when constructing invalid inspect.Parameters Patch by
Dong-hee Na.
..
.. bpo: 33263
.. date: 2018-04-11-20-29-19
.. nonce: B56Hc1
.. section: Library
Fix FD leak in `_SelectorSocketTransport` Patch by Vlad Starostin.
..
.. bpo: 32861
.. date: 2018-04-02-20-44-54
.. nonce: HeBjzN
.. section: Library
The urllib.robotparser's ``__str__`` representation now includes wildcard
entries and the "Crawl-delay" and "Request-rate" fields. Patch by Michael
Lazar.
..
.. bpo: 32257
.. date: 2018-02-26-09-08-07
.. nonce: 6ElnUt
.. section: Library
The ssl module now contains OP_NO_RENEGOTIATION constant, available with
OpenSSL 1.1.0h or 1.1.1.
..
.. bpo: 16865
.. date: 2017-09-29-16-40-38
.. nonce: l-f6I_
.. section: Library
Support arrays >=2GiB in :mod:`ctypes`. Patch by Segev Finer.
..
.. bpo: 23859
.. date: 2018-05-29-16-02-31
.. nonce: E5gba1
.. section: Documentation
Document that `asyncio.wait()` does not cancel its futures on timeout.
..
.. bpo: 32436
.. date: 2018-05-23-11-59-51
.. nonce: S1LGPa
.. section: Documentation
Document PEP 567 changes to asyncio.
..
.. bpo: 33604
.. date: 2018-05-22-11-47-14
.. nonce: 5YHTpz
.. section: Documentation
Update HMAC md5 default to a DeprecationWarning, bump removal to 3.8.
..
.. bpo: 33503
.. date: 2018-05-14-20-08-58
.. nonce: Wvt0qg
.. section: Documentation
Fix broken pypi link
..
.. bpo: 33421
.. date: 2018-05-14-15-15-41
.. nonce: 3GU_QO
.. section: Documentation
Add missing documentation for ``typing.AsyncContextManager``.
..
.. bpo: 33655
.. date: 2018-05-26-16-01-40
.. nonce: Frb4LA
.. section: Tests
Ignore test_posix_fallocate failures on BSD platforms that might be due to
running on ZFS.
..
.. bpo: 32604
.. date: 2018-05-14-13-32-46
.. nonce: a_z6D_
.. section: Tests
Remove the _xxsubinterpreters module (meant for testing) and associated
helpers. This module was originally added recently in 3.7b1.
..
.. bpo: 33614
.. date: 2018-05-28-11-40-22
.. nonce: 28e0sE
.. section: Build
Ensures module definition files for the stable ABI on Windows are correctly
regenerated.
..
.. bpo: 33522
.. date: 2018-05-15-12-44-50
.. nonce: mJoNcA
.. section: Build
Enable CI builds on Visual Studio Team Services at
https://python.visualstudio.com/cpython
..
.. bpo: 33012
.. date: 2018-05-10-21-10-01
.. nonce: 5Zfjac
.. section: Build
Add ``-Wno-cast-function-type`` for gcc 8 for silencing warnings about
function casts like casting to PyCFunction in method definition lists.
..
.. bpo: 13631
.. date: 2018-05-16-13-25-58
.. nonce: UIjDyY
.. section: macOS
The .editrc file in user's home directory is now processed correctly during
the readline initialization through editline emulation on macOS.
..
.. bpo: 33628
.. date: 2018-05-23-19-51-07
.. nonce: sLlFLO
.. section: IDLE
IDLE: Cleanup codecontext.py and its test.
..
.. bpo: 33564
.. date: 2018-05-17-19-41-12
.. nonce: XzHZJe
.. section: IDLE
IDLE's code context now recognizes async as a block opener.
..
.. bpo: 32831
.. date: 2018-02-12-08-08-45
.. nonce: srDRvU
.. section: IDLE
Add docstrings and tests for codecontext.

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@ -1,2 +0,0 @@
Add ``-Wno-cast-function-type`` for gcc 8 for silencing warnings about
function casts like casting to PyCFunction in method definition lists.

2
Misc/NEWS.d/next/Build/2018-05-15-12-44-50.bpo-33522.mJoNcA.rst
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@ -1,2 +0,0 @@
Enable CI builds on Visual Studio Team Services at
https://python.visualstudio.com/cpython

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@ -1,2 +0,0 @@
Ensures module definition files for the stable ABI on Windows are correctly
regenerated.

2
Misc/NEWS.d/next/Core and Builtins/2017-10-02-21-02-14.bpo-21983.UoC319.rst
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@ -1,2 +0,0 @@
Fix a crash in `ctypes.cast()` in case the type argument is a ctypes
structured data type. Patch by Eryk Sun and Oren Milman.

5
Misc/NEWS.d/next/Core and Builtins/2018-02-27-20-57-00.bpo-32911.cmKfco.rst
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@ -1,5 +0,0 @@
Due to unexpected compatibility issues discovered during downstream beta
testing, reverted :issue:`29463`. ``docstring`` field is removed from Module,
ClassDef, FunctionDef, and AsyncFunctionDef ast nodes which was added in
3.7a1. Docstring expression is restored as a first statement in their body.
Based on patch by Inada Naoki.

1
Misc/NEWS.d/next/Core and Builtins/2018-04-25-20-44-42.bpo-28055.f49kfC.rst
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@ -1 +0,0 @@
Fix unaligned accesses in siphash24(). Patch by Rolf Eike Beer.

1
Misc/NEWS.d/next/Core and Builtins/2018-05-02-08-36-03.bpo-33391.z4a7rb.rst
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@ -1 +0,0 @@
Fix a leak in set_symmetric_difference().

2
Misc/NEWS.d/next/Core and Builtins/2018-05-13-01-26-18.bpo-33475.rI0y1U.rst
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@ -1,2 +0,0 @@
Fixed miscellaneous bugs in converting annotations to strings and optimized
parentheses in the string representation.

2
Misc/NEWS.d/next/Core and Builtins/2018-05-14-11-34-55.bpo-20104.kqBNzv.rst
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@ -1,2 +0,0 @@
The new `os.posix_spawn` added in 3.7.0b1 was removed as we are still
working on what the API should look like. Expect this in 3.8 instead.

2
Misc/NEWS.d/next/Core and Builtins/2018-05-14-17-31-02.bpo-33509.pIUfTd.rst
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@ -1,2 +0,0 @@
Fix module_globals parameter of warnings.warn_explicit(): don't crash if
module_globals is not a dict.

4
Misc/NEWS.d/next/Core and Builtins/2018-05-23-20-46-14.bpo-33622.xPucO9.rst
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@ -1,4 +0,0 @@
Fixed a leak when the garbage collector fails to add an object with the
``__del__`` method or referenced by it into the :data:`gc.garbage` list.
:c:func:`PyGC_Collect` can now be called when an exception is set and
preserves it.

1
Misc/NEWS.d/next/Documentation/2018-05-14-15-15-41.bpo-33421.3GU_QO.rst
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@ -1 +0,0 @@
Add missing documentation for ``typing.AsyncContextManager``.

1
Misc/NEWS.d/next/Documentation/2018-05-14-20-08-58.bpo-33503.Wvt0qg.rst
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@ -1 +0,0 @@
Fix broken pypi link

1
Misc/NEWS.d/next/Documentation/2018-05-22-11-47-14.bpo-33604.5YHTpz.rst
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@ -1 +0,0 @@
Update HMAC md5 default to a DeprecationWarning, bump removal to 3.8.

1
Misc/NEWS.d/next/Documentation/2018-05-23-11-59-51.bpo-32436.S1LGPa.rst
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@ -1 +0,0 @@
Document PEP 567 changes to asyncio.

1
Misc/NEWS.d/next/Documentation/2018-05-29-16-02-31.bpo-23859.E5gba1.rst
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@ -1 +0,0 @@
Document that `asyncio.wait()` does not cancel its futures on timeout.

1
Misc/NEWS.d/next/IDLE/2018-02-12-08-08-45.bpo-32831.srDRvU.rst
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@ -1 +0,0 @@
Add docstrings and tests for codecontext.

1
Misc/NEWS.d/next/IDLE/2018-05-17-19-41-12.bpo-33564.XzHZJe.rst
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@ -1 +0,0 @@
IDLE's code context now recognizes async as a block opener.

2
Misc/NEWS.d/next/IDLE/2018-05-23-19-51-07.bpo-33628.sLlFLO.rst
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@ -1,2 +0,0 @@
IDLE: Cleanup codecontext.py and its test.

1
Misc/NEWS.d/next/Library/2017-09-29-16-40-38.bpo-16865.l-f6I_.rst
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@ -1 +0,0 @@
Support arrays >=2GiB in :mod:`ctypes`. Patch by Segev Finer.

2
Misc/NEWS.d/next/Library/2018-02-26-09-08-07.bpo-32257.6ElnUt.rst
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@ -1,2 +0,0 @@
The ssl module now contains OP_NO_RENEGOTIATION constant, available with
OpenSSL 1.1.0h or 1.1.1.

3
Misc/NEWS.d/next/Library/2018-04-02-20-44-54.bpo-32861.HeBjzN.rst
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@ -1,3 +0,0 @@
The urllib.robotparser's ``__str__`` representation now includes wildcard
entries and the "Crawl-delay" and "Request-rate" fields. Patch by
Michael Lazar.

1
Misc/NEWS.d/next/Library/2018-04-11-20-29-19.bpo-33263.B56Hc1.rst
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@ -1 +0,0 @@
Fix FD leak in `_SelectorSocketTransport` Patch by Vlad Starostin.

2
Misc/NEWS.d/next/Library/2018-04-29-23-56-20.bpo-33197.dgRLqr.rst
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@ -1,2 +0,0 @@
Update error message when constructing invalid inspect.Parameters
Patch by Dong-hee Na.

3
Misc/NEWS.d/next/Library/2018-05-02-07-26-29.bpo-28167.7FwDfN.rst
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@ -1,3 +0,0 @@
The function ``platform.linux_ditribution`` and ``platform.dist`` now
trigger a ``DeprecationWarning`` and have been marked for removal in Python
3.8

2
Misc/NEWS.d/next/Library/2018-05-05-09-53-05.bpo-33422.4FtQ0q.rst
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@ -1,2 +0,0 @@
Fix trailing quotation marks getting deleted when looking up byte/string
literals on pydoc. Patch by Andrés Delfino.

1
Misc/NEWS.d/next/Library/2018-05-05-18-02-24.bpo-20087.lJrvXL.rst
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@ -1 +0,0 @@
Updated alias mapping with glibc 2.27 supported locales.

3
Misc/NEWS.d/next/Library/2018-05-08-16-43-42.bpo-28556._xr5mp.rst
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@ -1,3 +0,0 @@
Minor fixes in typing module: add annotations to ``NamedTuple.__new__``,
pass ``*args`` and ``**kwds`` in ``Generic.__new__``. Original PRs by
Paulius Šarka and Chad Dombrova.

4
Misc/NEWS.d/next/Library/2018-05-12-06-01-02.bpo-33453.Fj-jMD.rst
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@ -1,4 +0,0 @@
Fix dataclasses to work if using literal string type annotations or if using
PEP 563 "Postponed Evaluation of Annotations". Only specific string
prefixes are detected for both ClassVar ("ClassVar" and "typing.ClassVar")
and InitVar ("InitVar" and "dataclasses.InitVar").

3
Misc/NEWS.d/next/Library/2018-05-14-10-29-03.bpo-33495.TeGTQJ.rst
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@ -1,3 +0,0 @@
Change dataclasses.Fields repr to use the repr of each of its members,
instead of str. This makes it more clear what each field actually
represents. This is especially true for the 'type' member.

2
Misc/NEWS.d/next/Library/2018-05-14-17-49-34.bpo-33497.wWT6XM.rst
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@ -1,2 +0,0 @@
Add errors param to cgi.parse_multipart and make an encoding in FieldStorage
use the given errors (needed for Twisted). Patch by Amber Brown.

1
Misc/NEWS.d/next/Library/2018-05-14-18-05-35.bpo-33505.L8pAyt.rst
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@ -1 +0,0 @@
Optimize asyncio.ensure_future() by reordering if checks: 1.17x faster.

1
Misc/NEWS.d/next/Library/2018-05-15-18-02-03.bpo-0.pj2Mbb.rst
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@ -1 +0,0 @@
Fix failure in `typing.get_type_hints()` when ClassVar was provided as a string forward reference.

2
Misc/NEWS.d/next/Library/2018-05-16-05-24-43.bpo-26819.taxbVT.rst
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@ -1,2 +0,0 @@
Fix race condition with `ReadTransport.resume_reading` in Windows proactor
event loop.

2
Misc/NEWS.d/next/Library/2018-05-16-09-30-27.bpo-33542.idNAcs.rst
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@ -1,2 +0,0 @@
Prevent ``uuid.get_node`` from using a DUID instead of a MAC on Windows.
Patch by Zvi Effron

2
Misc/NEWS.d/next/Library/2018-05-16-10-07-40.bpo-33536._s0TE8.rst
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@ -1,2 +0,0 @@
dataclasses.make_dataclass now checks for invalid field names and duplicate
fields. Also, added a check for invalid field specifications.

2
Misc/NEWS.d/next/Library/2018-05-16-14-57-58.bpo-33109.nPLL_S.rst
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@ -1,2 +0,0 @@
argparse subparsers are once again not required by default, reverting the
change in behavior introduced by bpo-26510 in 3.7.0a2.

1
Misc/NEWS.d/next/Library/2018-05-16-17-05-48.bpo-33548.xWslmx.rst
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@ -1 +0,0 @@
tempfile._candidate_tempdir_list should consider common TEMP locations

2
Misc/NEWS.d/next/Library/2018-05-16-18-10-38.bpo-33540.wy9LRV.rst
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@ -1,2 +0,0 @@
Add a new ``block_on_close`` class attribute to ``ForkingMixIn`` and
``ThreadingMixIn`` classes of :mod:`socketserver`.

3
Misc/NEWS.d/next/Library/2018-05-17-22-53-08.bpo-28556.C6Hnd1.rst
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@ -1,3 +0,0 @@
Do not simplify arguments to `typing.Union`. Now `Union[Manager, Employee]`
is not simplified to `Employee` at runtime. Such simplification previously
caused several bugs and limited possibilities for introspection.

3
Misc/NEWS.d/next/Library/2018-05-18-21-50-47.bpo-33570.7CZy4t.rst
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@ -1,3 +0,0 @@
Change TLS 1.3 cipher suite settings for compatibility with OpenSSL
1.1.1-pre6 and newer. OpenSSL 1.1.1 will have TLS 1.3 cipers enabled by
default.

3
Misc/NEWS.d/next/Library/2018-05-22-13-05-12.bpo-30877.JZEGjI.rst
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@ -1,3 +0,0 @@
Fixed a bug in the Python implementation of the JSON decoder that prevented
the cache of parsed strings from clearing after finishing the decoding.
Based on patch by c-fos.

1
Misc/NEWS.d/next/Library/2018-05-23-14-58-05.bpo-33623.wAw1cF.rst
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@ -1 +0,0 @@
Fix possible SIGSGV when asyncio.Future is created in __del__

2
Misc/NEWS.d/next/Library/2018-05-23-20-14-34.bpo-33618.xU39lr.rst
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@ -1,2 +0,0 @@
Finalize and document preliminary and experimental TLS 1.3 support with
OpenSSL 1.1.1

1
Misc/NEWS.d/next/Library/2018-05-24-17-41-36.bpo-32493.5tAoAu.rst
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@ -1 +0,0 @@
Fixed :func:`uuid.uuid1` on FreeBSD.

2
Misc/NEWS.d/next/Library/2018-05-26-10-13-59.bpo-33652.humFJ1.rst
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@ -1,2 +0,0 @@
Pickles of type variables and subscripted generics are now future-proof and
compatible with older Python versions.

3
Misc/NEWS.d/next/Library/2018-05-26-13-09-34.bpo-33654.IbYWxA.rst
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@ -1,3 +0,0 @@
Fix transport.set_protocol() to support switching between asyncio.Protocol
and asyncio.BufferedProtocol. Fix loop.start_tls() to work with
asyncio.BufferedProtocols.

1
Misc/NEWS.d/next/Library/2018-05-28-12-29-54.bpo-33672.GM_Xm_.rst
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@ -1 +0,0 @@
Fix Task.__repr__ crash with Cython's bogus coroutines

1
Misc/NEWS.d/next/Library/2018-05-28-15-55-12.bpo-33469.hmXBpY.rst
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@ -1 +0,0 @@
Fix RuntimeError after closing loop that used run_in_executor

1
Misc/NEWS.d/next/Library/2018-05-28-16-19-35.bpo-32410.Z1DZaF.rst
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@ -1 +0,0 @@
Avoid blocking on file IO in sendfile fallback code

1
Misc/NEWS.d/next/Library/2018-05-28-16-40-32.bpo-32610.KvUAsL.rst
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@ -1 +0,0 @@
Make asyncio.all_tasks() return only pending tasks.

2
Misc/NEWS.d/next/Library/2018-05-28-18-40-26.bpo-31467.s4Fad3.rst
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@ -1,2 +0,0 @@
Fixed bug where calling write_eof() on a _SelectorSocketTransport after it's
already closed raises AttributeError.

4
Misc/NEWS.d/next/Library/2018-05-28-22-49-59.bpo-33674.6LFFj7.rst
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@ -1,4 +0,0 @@
Fix a race condition in SSLProtocol.connection_made() of asyncio.sslproto:
start immediately the handshake instead of using call_soon(). Previously,
data_received() could be called before the handshake started, causing the
handshake to hang or fail.

2
Misc/NEWS.d/next/Library/2018-05-29-00-37-56.bpo-33674.2IkGhL.rst
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@ -1,2 +0,0 @@
Pause the transport as early as possible to further reduce the risk of
data_received() being called before connection_made().

1
Misc/NEWS.d/next/Library/2018-05-29-01-13-39.bpo-33654.sa81Si.rst
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@ -1 +0,0 @@
Support protocol type switching in SSLTransport.set_protocol().

1
Misc/NEWS.d/next/Library/2018-05-29-12-51-18.bpo-32684.ZEIism.rst
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@ -1 +0,0 @@
Fix gather to propagate cancellation of itself even with return_exceptions.

2
Misc/NEWS.d/next/Library/2018-05-29-15-32-18.bpo-32751.oBTqr7.rst
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@ -1,2 +0,0 @@
When cancelling the task due to a timeout, :meth:`asyncio.wait_for` will now
wait until the cancellation is complete.

2
Misc/NEWS.d/next/Tests/2018-05-14-13-32-46.bpo-32604.a_z6D_.rst
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@ -1,2 +0,0 @@
Remove the _xxsubinterpreters module (meant for testing) and associated
helpers. This module was originally added recently in 3.7b1.

2
Misc/NEWS.d/next/Tests/2018-05-26-16-01-40.bpo-33655.Frb4LA.rst
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@ -1,2 +0,0 @@
Ignore test_posix_fallocate failures on BSD platforms that might be due to
running on ZFS.

2
Misc/NEWS.d/next/macOS/2018-05-16-13-25-58.bpo-13631.UIjDyY.rst
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@ -1,2 +0,0 @@
The .editrc file in user's home directory is now processed correctly during
the readline initialization through editline emulation on macOS.

4
README.rst
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@ -1,5 +1,5 @@
This is Python version 3.7.0 beta 4+ This is Python version 3.7.0 beta 5
==================================== ===================================
.. image:: https://travis-ci.org/python/cpython.svg?branch=master .. image:: https://travis-ci.org/python/cpython.svg?branch=master
:alt: CPython build status on Travis CI :alt: CPython build status on Travis CI