From: Yury Selivanov Date: Wed, 5 Oct 2016 21:01:01 +0000 (-0400) Subject: Merge 3.5 (issue #28368) X-Git-Tag: v3.6.0b2~48 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=67ea61818ef9b435bd47270e0a87e768ebdeeae6;p=python Merge 3.5 (issue #28368) --- 67ea61818ef9b435bd47270e0a87e768ebdeeae6 diff --cc Misc/NEWS index 7b607d85d2,92ec745d4e..3ee45d0069 --- a/Misc/NEWS +++ b/Misc/NEWS @@@ -141,257 -137,10 +141,261 @@@ Librar - Issue #25895: Enable WebSocket URL schemes in urllib.parse.urljoin. Patch by Gergely Imreh and Markus Holtermann. +- Issue #28114: Fix a crash in parse_envlist() when env contains byte strings. + Patch by Eryk Sun. + - Issue #27599: Fixed buffer overrun in binascii.b2a_qp() and binascii.a2b_qp(). -- Issue #19003:m email.generator now replaces only \r and/or \n line - endings, per the RFC, instead of all unicode line endings. +- Issue #27906: Fix socket accept exhaustion during high TCP traffic. + Patch by Kevin Conway. + +- Issue #28174: Handle when SO_REUSEPORT isn't properly supported. + Patch by Seth Michael Larson. + +- Issue #26654: Inspect functools.partial in asyncio.Handle.__repr__. + Patch by iceboy. + +- Issue #26909: Fix slow pipes IO in asyncio. + Patch by INADA Naoki. + +- Issue #28176: Fix callbacks race in asyncio.SelectorLoop.sock_connect. + +- Issue #27759: Fix selectors incorrectly retain invalid file descriptors. + Patch by Mark Williams. + ++- Issue #28368: Refuse monitoring processes if the child watcher has no ++ loop attached. ++ Patch by Vincent Michel. ++ +Windows +------- + +- Issue #28251: Improvements to help manuals on Windows. + +- Issue #28110: launcher.msi has different product codes between 32-bit and + 64-bit + +- Issue #28161: Opening CON for write access fails + +- Issue #28162: WindowsConsoleIO readall() fails if first line starts with + Ctrl+Z + +- Issue #28163: WindowsConsoleIO fileno() passes wrong flags to + _open_osfhandle + +- Issue #28164: _PyIO_get_console_type fails for various paths + +- Issue #28137: Renames Windows path file to ._pth + +- Issue #28138: Windows ._pth file should allow import site + +Build +----- + +- Issue #28258: Fixed build with Estonian locale (python-config and distclean + targets in Makefile). Patch by Arfrever Frehtes Taifersar Arahesis. + +- Issue #26661: setup.py now detects system libffi with multiarch wrapper. + +- Issue #15819: Remove redundant include search directory option for building + outside the source tree. + +Tests +----- + +- Issue #28217: Adds _testconsole module to test console input. + +What's New in Python 3.6.0 beta 1 +================================= + +*Release date: 2016-09-12* + +Core and Builtins +----------------- + +- Issue #23722: The __class__ cell used by zero-argument super() is now + initialized from type.__new__ rather than __build_class__, so class methods + relying on that will now work correctly when called from metaclass methods + during class creation. Patch by Martin Teichmann. + +- Issue #25221: Fix corrupted result from PyLong_FromLong(0) when Python + is compiled with NSMALLPOSINTS = 0. + +- Issue #27080: Implement formatting support for PEP 515. Initial patch + by Chris Angelico. + +- Issue #27199: In tarfile, expose copyfileobj bufsize to improve throughput. + Patch by Jason Fried. + +- Issue #27948: In f-strings, only allow backslashes inside the braces + (where the expressions are). This is a breaking change from the 3.6 + alpha releases, where backslashes are allowed anywhere in an + f-string. Also, require that expressions inside f-strings be + enclosed within literal braces, and not escapes like + f'\x7b"hi"\x7d'. + +- Issue #28046: Remove platform-specific directories from sys.path. + +- Issue #28071: Add early-out for differencing from an empty set. + +- Issue #25758: Prevents zipimport from unnecessarily encoding a filename + (patch by Eryk Sun) + +- Issue #25856: The __module__ attribute of extension classes and functions + now is interned. This leads to more compact pickle data with protocol 4. + +- Issue #27213: Rework CALL_FUNCTION* opcodes to produce shorter and more + efficient bytecode. Patch by Demur Rumed, design by Serhiy Storchaka, + reviewed by Serhiy Storchaka and Victor Stinner. + +- Issue #26331: Implement tokenizing support for PEP 515. Patch by Georg Brandl. + +- Issue #27999: Make "global after use" a SyntaxError, and ditto for nonlocal. + Patch by Ivan Levkivskyi. + +- Issue #28003: Implement PEP 525 -- Asynchronous Generators. + +- Issue #27985: Implement PEP 526 -- Syntax for Variable Annotations. + Patch by Ivan Levkivskyi. + +- Issue #26058: Add a new private version to the builtin dict type, incremented + at each dictionary creation and at each dictionary change. Implementation of + the PEP 509. + +- Issue #27364: A backslash-character pair that is not a valid escape sequence + now generates a DeprecationWarning. Patch by Emanuel Barry. + +- Issue #27350: `dict` implementation is changed like PyPy. It is more compact + and preserves insertion order. + (Concept developed by Raymond Hettinger and patch by Inada Naoki.) + +- Issue #27911: Remove unnecessary error checks in + ``exec_builtin_or_dynamic()``. + +- Issue #27078: Added BUILD_STRING opcode. Optimized f-strings evaluation. + +- Issue #17884: Python now requires systems with inttypes.h and stdint.h + +- Issue #27961: Require platforms to support ``long long``. Python hasn't + compiled without ``long long`` for years, so this is basically a formality. + +- Issue #27355: Removed support for Windows CE. It was never finished, + and Windows CE is no longer a relevant platform for Python. + +- Implement PEP 523. + +- Issue #27870: A left shift of zero by a large integer no longer attempts + to allocate large amounts of memory. + +- Issue #25402: In int-to-decimal-string conversion, improve the estimate + of the intermediate memory required, and remove an unnecessarily strict + overflow check. Patch by Serhiy Storchaka. + +- Issue #27214: In long_invert, be more careful about modifying object + returned by long_add, and remove an unnecessary check for small longs. + Thanks Oren Milman for analysis and patch. + +- Issue #27506: Support passing the bytes/bytearray.translate() "delete" + argument by keyword. + +- Issue #27812: Properly clear out a generator's frame's backreference to the + generator to prevent crashes in frame.clear(). + +- Issue #27811: Fix a crash when a coroutine that has not been awaited is + finalized with warnings-as-errors enabled. + +- Issue #27587: Fix another issue found by PVS-Studio: Null pointer check + after use of 'def' in _PyState_AddModule(). + Initial patch by Christian Heimes. + +- Issue #27792: The modulo operation applied to ``bool`` and other + ``int`` subclasses now always returns an ``int``. Previously + the return type depended on the input values. Patch by Xiang Zhang. + +- Issue #26984: int() now always returns an instance of exact int. + +- Issue #25604: Fix a minor bug in integer true division; this bug could + potentially have caused off-by-one-ulp results on platforms with + unreliable ldexp implementations. + +- Issue #24254: Make class definition namespace ordered by default. + +- Issue #27662: Fix an overflow check in ``List_New``: the original code was + checking against ``Py_SIZE_MAX`` instead of the correct upper bound of + ``Py_SSIZE_T_MAX``. Patch by Xiang Zhang. + +- Issue #27782: Multi-phase extension module import now correctly allows the + ``m_methods`` field to be used to add module level functions to instances + of non-module types returned from ``Py_create_mod``. Patch by Xiang Zhang. + +- Issue #27936: The round() function accepted a second None argument + for some types but not for others. Fixed the inconsistency by + accepting None for all numeric types. + +- Issue #27487: Warn if a submodule argument to "python -m" or + runpy.run_module() is found in sys.modules after parent packages are + imported, but before the submodule is executed. + +- Issue #27157: Make only type() itself accept the one-argument form. + Patch by Eryk Sun and Emanuel Barry. + +- Issue #27558: Fix a SystemError in the implementation of "raise" statement. + In a brand new thread, raise a RuntimeError since there is no active + exception to reraise. Patch written by Xiang Zhang. + +- Issue #28008: Implement PEP 530 -- asynchronous comprehensions. + +Library +------- + +- Issue #28037: Use sqlite3_get_autocommit() instead of setting + Connection->inTransaction manually. + +- Issue #25283: Attributes tm_gmtoff and tm_zone are now available on + all platforms in the return values of time.localtime() and + time.gmtime(). + +- Issue #24454: Regular expression match object groups are now + accessible using __getitem__. "mo[x]" is equivalent to + "mo.group(x)". + +- Issue #10740: sqlite3 no longer implicitly commit an open transaction + before DDL statements. + +- Issue #17941: Add a *module* parameter to collections.namedtuple(). + +- Issue #22493: Inline flags now should be used only at the start of the + regular expression. Deprecation warning is emitted if uses them in the + middle of the regular expression. + +- Issue #26885: xmlrpc now supports unmarshalling additional data types used + by Apache XML-RPC implementation for numerics and None. + +- Issue #28070: Fixed parsing inline verbose flag in regular expressions. + +- Issue #19500: Add client-side SSL session resumption to the ssl module. + +- Issue #28022: Deprecate ssl-related arguments in favor of SSLContext. The + deprecation include manual creation of SSLSocket and certfile/keyfile + (or similar) in ftplib, httplib, imaplib, smtplib, poplib and urllib. + +- Issue #28043: SSLContext has improved default settings: OP_NO_SSLv2, + OP_NO_SSLv3, OP_NO_COMPRESSION, OP_CIPHER_SERVER_PREFERENCE, + OP_SINGLE_DH_USE, OP_SINGLE_ECDH_USE and HIGH ciphers without MD5. + +- Issue #24693: Changed some RuntimeError's in the zipfile module to more + appropriate types. Improved some error messages and debugging output. + +- Issue #17909: ``json.load`` and ``json.loads`` now support binary input + encoded as UTF-8, UTF-16 or UTF-32. Patch by Serhiy Storchaka. + +- Issue #27137: the pure Python fallback implementation of ``functools.partial`` + now matches the behaviour of its accelerated C counterpart for subclassing, + pickling and text representation purposes. Patch by Emanuel Barry and + Serhiy Storchaka. + +- Issue #1703178: Fix the ability to pass the --link-objects option to the + distutils build_ext command. - Issue #28019: itertools.count() no longer rounds non-integer step in range between 1.0 and 2.0 to 1.