.. bpo: 28532 .. date: 9778 .. nonce: KEYJny .. release date: 2016-11-21 .. section: Core and Builtins Show sys.version when -V option is supplied twice. .. .. bpo: 27100 .. date: 9777 .. nonce: poVjXq .. section: Core and Builtins The with-statement now checks for __enter__ before it checks for __exit__. This gives less confusing error messages when both methods are missing. Patch by Jonathan Ellington. .. .. bpo: 28746 .. date: 9776 .. nonce: r5MXdB .. section: Core and Builtins Fix the set_inheritable() file descriptor method on platforms that do not have the ioctl FIOCLEX and FIONCLEX commands. .. .. bpo: 26920 .. date: 9775 .. nonce: 1URwGb .. section: Core and Builtins Fix not getting the locale's charset upon initializing the interpreter, on platforms that do not have langinfo. .. .. bpo: 28648 .. date: 9774 .. nonce: z7B52W .. section: Core and Builtins Fixed crash in Py_DecodeLocale() in debug build on Mac OS X when decode astral characters. Patch by Xiang Zhang. .. .. bpo: 19398 .. date: 9773 .. nonce: RYbEGH .. section: Core and Builtins Extra slash no longer added to sys.path components in case of empty compile-time PYTHONPATH components. .. .. bpo: 28665 .. date: 9772 .. nonce: v4nx86 .. section: Core and Builtins Improve speed of the STORE_DEREF opcode by 40%. .. .. bpo: 28583 .. date: 9771 .. nonce: F-QAx1 .. section: Core and Builtins PyDict_SetDefault didn't combine split table when needed. Patch by Xiang Zhang. .. .. bpo: 27243 .. date: 9770 .. nonce: 61E6K5 .. section: Core and Builtins Change PendingDeprecationWarning -> DeprecationWarning. As it was agreed in the issue, __aiter__ returning an awaitable should result in PendingDeprecationWarning in 3.5 and in DeprecationWarning in 3.6. .. .. bpo: 26182 .. date: 9769 .. nonce: a8JXK2 .. section: Core and Builtins Fix a refleak in code that raises DeprecationWarning. .. .. bpo: 28721 .. date: 9768 .. nonce: BO9BUF .. section: Core and Builtins Fix asynchronous generators aclose() and athrow() to handle StopAsyncIteration propagation properly. .. .. bpo: 28752 .. date: 9767 .. nonce: Q-4oRE .. section: Library Restored the __reduce__() methods of datetime objects. .. .. bpo: 28727 .. date: 9766 .. nonce: ubZP_b .. section: Library Regular expression patterns, _sre.SRE_Pattern objects created by re.compile(), become comparable (only x==y and x!=y operators). This change should fix the issue #18383: don't duplicate warning filters when the warnings module is reloaded (thing usually only done in unit tests). .. .. bpo: 20572 .. date: 9765 .. nonce: lGXaH9 .. section: Library The subprocess.Popen.wait method's undocumented endtime parameter now raises a DeprecationWarning. .. .. bpo: 25659 .. date: 9764 .. nonce: lE2IlT .. section: Library In ctypes, prevent a crash calling the from_buffer() and from_buffer_copy() methods on abstract classes like Array. .. .. bpo: 19717 .. date: 9763 .. nonce: HXCAIz .. section: Library Makes Path.resolve() succeed on paths that do not exist. Patch by Vajrasky Kok .. .. bpo: 28563 .. date: 9762 .. nonce: iweEiw .. section: Library Fixed possible DoS and arbitrary code execution when handle plural form selections in the gettext module. The expression parser now supports exact syntax supported by GNU gettext. .. .. bpo: 28387 .. date: 9761 .. nonce: 1clJu7 .. section: Library Fixed possible crash in _io.TextIOWrapper deallocator when the garbage collector is invoked in other thread. Based on patch by Sebastian Cufre. .. .. bpo: 28600 .. date: 9760 .. nonce: wMVrjN .. section: Library Optimize loop.call_soon. .. .. bpo: 28613 .. date: 9759 .. nonce: sqUPrv .. section: Library Fix get_event_loop() return the current loop if called from coroutines/callbacks. .. .. bpo: 28634 .. date: 9758 .. nonce: YlRydz .. section: Library Fix asyncio.isfuture() to support unittest.Mock. .. .. bpo: 26081 .. date: 9757 .. nonce: 2Y8-a9 .. section: Library Fix refleak in _asyncio.Future.__iter__().throw. .. .. bpo: 28639 .. date: 9756 .. nonce: WUPo1o .. section: Library Fix inspect.isawaitable to always return bool Patch by Justin Mayfield. .. .. bpo: 28652 .. date: 9755 .. nonce: f5M8FG .. section: Library Make loop methods reject socket kinds they do not support. .. .. bpo: 28653 .. date: 9754 .. nonce: S5bA9i .. section: Library Fix a refleak in functools.lru_cache. .. .. bpo: 28703 .. date: 9753 .. nonce: CRLTJc .. section: Library Fix asyncio.iscoroutinefunction to handle Mock objects. .. .. bpo: 28704 .. date: 9752 .. nonce: EFWBII .. section: Library Fix create_unix_server to support Path-like objects (PEP 519). .. .. bpo: 28720 .. date: 9751 .. nonce: Fsz-Lf .. section: Library Add collections.abc.AsyncGenerator. .. .. bpo: 28513 .. date: 9750 .. nonce: L3joAz .. section: Documentation Documented command-line interface of zipfile. .. .. bpo: 28666 .. date: 9749 .. nonce: RtTk-4 .. section: Tests Now test.support.rmtree is able to remove unwritable or unreadable directories. .. .. bpo: 23839 .. date: 9748 .. nonce: zsT_L9 .. section: Tests Various caches now are cleared before running every test file. .. .. bpo: 10656 .. date: 9747 .. nonce: pR8FFU .. section: Build Fix out-of-tree building on AIX. Patch by Tristan Carel and Michael Haubenwallner. .. .. bpo: 26359 .. date: 9746 .. nonce: CLz6qy .. section: Build Rename --with-optimiations to --enable-optimizations. .. .. bpo: 28676 .. date: 9745 .. nonce: Wxf6Ds .. section: Build Prevent missing 'getentropy' declaration warning on macOS. Patch by Gareth Rees.