Misc/NEWS.d/3.6.0b3.rst - platform/external/python/cpython3 - Gitiles

 .. bpo: 28128
 .. date: 9445
 .. nonce: Lc2sFu
 .. release date: 2016-10-31
 .. section: Core and Builtins

 Deprecation warning for invalid str and byte escape sequences now prints
 better information about where the error occurs. Patch by Serhiy Storchaka
 and Eric Smith.

 ..

 .. bpo: 28509
 .. date: 9444
 .. nonce: _Fa4Uq
 .. section: Core and Builtins

 dict.update() no longer allocate unnecessary large memory.

 ..

 .. bpo: 28426
 .. date: 9443
 .. nonce: E_quyK
 .. section: Core and Builtins

 Fixed potential crash in PyUnicode_AsDecodedObject() in debug build.

 ..

 .. bpo: 28517
 .. date: 9442
 .. nonce: ExPkm9
 .. section: Core and Builtins

 Fixed of-by-one error in the peephole optimizer that caused keeping
 unreachable code.

 ..

 .. bpo: 28214
 .. date: 9441
 .. nonce: 6ECJox
 .. section: Core and Builtins

 Improved exception reporting for problematic __set_name__ attributes.

 ..

 .. bpo: 23782
 .. date: 9440
 .. nonce: lonDzj
 .. section: Core and Builtins

 Fixed possible memory leak in _PyTraceback_Add() and exception loss in
 PyTraceBack_Here().

 ..

 .. bpo: 28471
 .. date: 9439
 .. nonce: Vd5pv7
 .. section: Core and Builtins

 Fix "Python memory allocator called without holding the GIL" crash in
 socket.setblocking.

 ..

 .. bpo: 26128
 .. date: 9438
 .. nonce: IEF1cf
 .. section: Library

 Added keyword-only arguments support for subprocess.STARTUPINFO

 ..

 .. bpo: 27517
 .. date: 9437
 .. nonce: 1CYM8A
 .. section: Library

 LZMA compressor and decompressor no longer raise exceptions if given empty
 data twice.  Patch by Benjamin Fogle.

 ..

 .. bpo: 28549
 .. date: 9436
 .. nonce: ShnM2y
 .. section: Library

 Fixed segfault in curses's addch() with ncurses6.

 ..

 .. bpo: 28449
 .. date: 9435
 .. nonce: 5JK6ES
 .. section: Library

 tarfile.open() with mode "r" or "r:" now tries to open a tar file with
 compression before trying to open it without compression.  Otherwise it had
 50% chance failed with ignore_zeros=True.

 ..

 .. bpo: 23262
 .. date: 9434
 .. nonce: 6EVB7N
 .. section: Library

 The webbrowser module now supports Firefox 36+ and derived browsers.  Based
 on patch by Oleg Broytman.

 ..

 .. bpo: 27939
 .. date: 9433
 .. nonce: mTfADV
 .. section: Library

 Fixed bugs in tkinter.ttk.LabeledScale and tkinter.Scale caused by
 representing the scale as float value internally in Tk.  tkinter.IntVar now
 works if float value is set to underlying Tk variable.

 ..

 .. bpo: 18844
 .. date: 9432
 .. nonce: oif1-H
 .. section: Library

 The various ways of specifying weights for random.choices() now produce the
 same result sequences.

 ..

 .. bpo: 28255
 .. date: 9431
 .. nonce: _ZH4wm
 .. section: Library

 calendar.TextCalendar().prmonth() no longer prints a space at the start of
 new line after printing a month's calendar.  Patch by Xiang Zhang.

 ..

 .. bpo: 20491
 .. date: 9430
 .. nonce: ObgnQ2
 .. section: Library

 The textwrap.TextWrapper class now honors non-breaking spaces. Based on
 patch by Kaarle Ritvanen.

 ..

 .. bpo: 28353
 .. date: 9429
 .. nonce: sKGbLL
 .. section: Library

 os.fwalk() no longer fails on broken links.

 ..

 .. bpo: 28430
 .. date: 9428
 .. nonce: 4MiEYT
 .. section: Library

 Fix iterator of C implemented asyncio.Future doesn't accept non-None value
 is passed to it.send(val).

 ..

 .. bpo: 27025
 .. date: 9427
 .. nonce: foAViS
 .. section: Library

 Generated names for Tkinter widgets now start by the "!" prefix for
 readability.

 ..

 .. bpo: 25464
 .. date: 9426
 .. nonce: HDUTCu
 .. section: Library

 Fixed HList.header_exists() in tkinter.tix module by addin a workaround to
 Tix library bug.

 ..

 .. bpo: 28488
 .. date: 9425
 .. nonce: TgO112
 .. section: Library

 shutil.make_archive() no longer adds entry "./" to ZIP archive.

 ..

 .. bpo: 25953
 .. date: 9424
 .. nonce: EKKJAQ
 .. section: Library

 re.sub() now raises an error for invalid numerical group reference in
 replacement template even if the pattern is not found in the string.  Error
 message for invalid group reference now includes the group index and the
 position of the reference. Based on patch by SilentGhost.

 ..

 .. bpo: 18219
 .. date: 9423
 .. nonce: 1ANQN1
 .. section: Library

 Optimize csv.DictWriter for large number of columns. Patch by Mariatta
 Wijaya.

 ..

 .. bpo: 28448
 .. date: 9422
 .. nonce: 5bduWe
 .. section: Library

 Fix C implemented asyncio.Future didn't work on Windows.

 ..

 .. bpo: 28480
 .. date: 9421
 .. nonce: 9lHw6m
 .. section: Library

 Fix error building socket module when multithreading is disabled.

 ..

 .. bpo: 24452
 .. date: 9420
 .. nonce: m9Kyg3
 .. section: Library

 Make webbrowser support Chrome on Mac OS X.

 ..

 .. bpo: 20766
 .. date: 9419
 .. nonce: 4kvCzx
 .. section: Library

 Fix references leaked by pdb in the handling of SIGINT handlers.

 ..

 .. bpo: 28492
 .. date: 9418
 .. nonce: pFRLQE
 .. section: Library

 Fix how StopIteration exception is raised in _asyncio.Future.

 ..

 .. bpo: 28500
 .. date: 9417
 .. nonce: NINKzZ
 .. section: Library

 Fix asyncio to handle async gens GC from another thread.

 ..

 .. bpo: 26923
 .. date: 9416
 .. nonce: 8dh3AV
 .. section: Library

 Fix asyncio.Gather to refuse being cancelled once all children are done.
 Patch by Johannes Ebke.

 ..

 .. bpo: 26796
 .. date: 9415
 .. nonce: TZyAfJ
 .. section: Library

 Don't configure the number of workers for default threadpool executor.
 Initial patch by Hans Lawrenz.

 ..

 .. bpo: 28544
 .. date: 9414
 .. nonce: KD1oFP
 .. section: Library

 Implement asyncio.Task in C.

 ..

 .. bpo: 28522
 .. date: 9413
 .. nonce: XHMQa7
 .. section: Windows

 Fixes mishandled buffer reallocation in getpathp.c

 ..

 .. bpo: 28444
 .. date: 9412
 .. nonce: zkc9nT
 .. section: Build

 Fix missing extensions modules when cross compiling.

 ..

 .. bpo: 28208
 .. date: 9411
 .. nonce: DtoP1i
 .. section: Build

 Update Windows build and OS X installers to use SQLite 3.14.2.

 ..

 .. bpo: 28248
 .. date: 9410
 .. nonce: KY_-en
 .. section: Build

 Update Windows build and OS X installers to use OpenSSL 1.0.2j.

 ..

 .. bpo: 26944
 .. date: 9409
 .. nonce: ChZ_BO
 .. section: Tests

 Fix test_posix for Android where 'id -G' is entirely wrong or missing the
 effective gid.

 ..

 .. bpo: 28409
 .. date: 9408
 .. nonce: Q2IlxJ
 .. section: Tests

 regrtest: fix the parser of command line arguments.
	.. bpo: 28128
	.. date: 9445
	.. nonce: Lc2sFu
	.. release date: 2016-10-31
	.. section: Core and Builtins

	Deprecation warning for invalid str and byte escape sequences now prints
	better information about where the error occurs. Patch by Serhiy Storchaka
	and Eric Smith.

	..

	.. bpo: 28509
	.. date: 9444
	.. nonce: _Fa4Uq
	.. section: Core and Builtins

	dict.update() no longer allocate unnecessary large memory.

	..

	.. bpo: 28426
	.. date: 9443
	.. nonce: E_quyK
	.. section: Core and Builtins

	Fixed potential crash in PyUnicode_AsDecodedObject() in debug build.

	..

	.. bpo: 28517
	.. date: 9442
	.. nonce: ExPkm9
	.. section: Core and Builtins

	Fixed of-by-one error in the peephole optimizer that caused keeping
	unreachable code.

	..

	.. bpo: 28214
	.. date: 9441
	.. nonce: 6ECJox
	.. section: Core and Builtins

	Improved exception reporting for problematic __set_name__ attributes.

	..

	.. bpo: 23782
	.. date: 9440
	.. nonce: lonDzj
	.. section: Core and Builtins

	Fixed possible memory leak in _PyTraceback_Add() and exception loss in
	PyTraceBack_Here().

	..

	.. bpo: 28471
	.. date: 9439
	.. nonce: Vd5pv7
	.. section: Core and Builtins

	Fix "Python memory allocator called without holding the GIL" crash in
	socket.setblocking.

	..

	.. bpo: 26128
	.. date: 9438
	.. nonce: IEF1cf
	.. section: Library

	Added keyword-only arguments support for subprocess.STARTUPINFO

	..

	.. bpo: 27517
	.. date: 9437
	.. nonce: 1CYM8A
	.. section: Library

	LZMA compressor and decompressor no longer raise exceptions if given empty
	data twice. Patch by Benjamin Fogle.

	..

	.. bpo: 28549
	.. date: 9436
	.. nonce: ShnM2y
	.. section: Library

	Fixed segfault in curses's addch() with ncurses6.

	..

	.. bpo: 28449
	.. date: 9435
	.. nonce: 5JK6ES
	.. section: Library

	tarfile.open() with mode "r" or "r:" now tries to open a tar file with
	compression before trying to open it without compression. Otherwise it had
	50% chance failed with ignore_zeros=True.

	..

	.. bpo: 23262
	.. date: 9434
	.. nonce: 6EVB7N
	.. section: Library

	The webbrowser module now supports Firefox 36+ and derived browsers. Based
	on patch by Oleg Broytman.

	..

	.. bpo: 27939
	.. date: 9433
	.. nonce: mTfADV
	.. section: Library

	Fixed bugs in tkinter.ttk.LabeledScale and tkinter.Scale caused by
	representing the scale as float value internally in Tk. tkinter.IntVar now
	works if float value is set to underlying Tk variable.

	..

	.. bpo: 18844
	.. date: 9432
	.. nonce: oif1-H
	.. section: Library

	The various ways of specifying weights for random.choices() now produce the
	same result sequences.

	..

	.. bpo: 28255
	.. date: 9431
	.. nonce: _ZH4wm
	.. section: Library

	calendar.TextCalendar().prmonth() no longer prints a space at the start of
	new line after printing a month's calendar. Patch by Xiang Zhang.

	..

	.. bpo: 20491
	.. date: 9430
	.. nonce: ObgnQ2
	.. section: Library

	The textwrap.TextWrapper class now honors non-breaking spaces. Based on
	patch by Kaarle Ritvanen.

	..

	.. bpo: 28353
	.. date: 9429
	.. nonce: sKGbLL
	.. section: Library

	os.fwalk() no longer fails on broken links.

	..

	.. bpo: 28430
	.. date: 9428
	.. nonce: 4MiEYT
	.. section: Library

	Fix iterator of C implemented asyncio.Future doesn't accept non-None value
	is passed to it.send(val).

	..

	.. bpo: 27025
	.. date: 9427
	.. nonce: foAViS
	.. section: Library

	Generated names for Tkinter widgets now start by the "!" prefix for
	readability.

	..

	.. bpo: 25464
	.. date: 9426
	.. nonce: HDUTCu
	.. section: Library

	Fixed HList.header_exists() in tkinter.tix module by addin a workaround to
	Tix library bug.

	..

	.. bpo: 28488
	.. date: 9425
	.. nonce: TgO112
	.. section: Library

	shutil.make_archive() no longer adds entry "./" to ZIP archive.

	..

	.. bpo: 25953
	.. date: 9424
	.. nonce: EKKJAQ
	.. section: Library

	re.sub() now raises an error for invalid numerical group reference in
	replacement template even if the pattern is not found in the string. Error
	message for invalid group reference now includes the group index and the
	position of the reference. Based on patch by SilentGhost.

	..

	.. bpo: 18219
	.. date: 9423
	.. nonce: 1ANQN1
	.. section: Library

	Optimize csv.DictWriter for large number of columns. Patch by Mariatta
	Wijaya.

	..

	.. bpo: 28448
	.. date: 9422
	.. nonce: 5bduWe
	.. section: Library

	Fix C implemented asyncio.Future didn't work on Windows.

	..

	.. bpo: 28480
	.. date: 9421
	.. nonce: 9lHw6m
	.. section: Library

	Fix error building socket module when multithreading is disabled.

	..

	.. bpo: 24452
	.. date: 9420
	.. nonce: m9Kyg3
	.. section: Library

	Make webbrowser support Chrome on Mac OS X.

	..

	.. bpo: 20766
	.. date: 9419
	.. nonce: 4kvCzx
	.. section: Library

	Fix references leaked by pdb in the handling of SIGINT handlers.

	..

	.. bpo: 28492
	.. date: 9418
	.. nonce: pFRLQE
	.. section: Library

	Fix how StopIteration exception is raised in _asyncio.Future.

	..

	.. bpo: 28500
	.. date: 9417
	.. nonce: NINKzZ
	.. section: Library

	Fix asyncio to handle async gens GC from another thread.

	..

	.. bpo: 26923
	.. date: 9416
	.. nonce: 8dh3AV
	.. section: Library

	Fix asyncio.Gather to refuse being cancelled once all children are done.
	Patch by Johannes Ebke.

	..

	.. bpo: 26796
	.. date: 9415
	.. nonce: TZyAfJ
	.. section: Library

	Don't configure the number of workers for default threadpool executor.
	Initial patch by Hans Lawrenz.

	..

	.. bpo: 28544
	.. date: 9414
	.. nonce: KD1oFP
	.. section: Library

	Implement asyncio.Task in C.

	..

	.. bpo: 28522
	.. date: 9413
	.. nonce: XHMQa7
	.. section: Windows

	Fixes mishandled buffer reallocation in getpathp.c

	..

	.. bpo: 28444
	.. date: 9412
	.. nonce: zkc9nT
	.. section: Build

	Fix missing extensions modules when cross compiling.

	..

	.. bpo: 28208
	.. date: 9411
	.. nonce: DtoP1i
	.. section: Build

	Update Windows build and OS X installers to use SQLite 3.14.2.

	..

	.. bpo: 28248
	.. date: 9410
	.. nonce: KY_-en
	.. section: Build

	Update Windows build and OS X installers to use OpenSSL 1.0.2j.

	..

	.. bpo: 26944
	.. date: 9409
	.. nonce: ChZ_BO
	.. section: Tests

	Fix test_posix for Android where 'id -G' is entirely wrong or missing the
	effective gid.

	..

	.. bpo: 28409
	.. date: 9408
	.. nonce: Q2IlxJ
	.. section: Tests

	regrtest: fix the parser of command line arguments.