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authorSerhiy Storchaka <storchaka@gmail.com>2017-01-24 21:39:42 +0200
committerSerhiy Storchaka <storchaka@gmail.com>2017-01-24 21:39:42 +0200
commit3ca98abc11c8c7b4c9224847bc81a3b3c1e4b32d (patch)
tree11b38124b57b4adf04ad61ef21d01a1d7e33d20e /Misc/NEWS
parentf7504c0ffb2450a20dba1f77f8e784d6c5f7200a (diff)
parent360d836601f0c7687886b81805803ebdbd67d264 (diff)
downloadcpython-3ca98abc11c8c7b4c9224847bc81a3b3c1e4b32d.tar.gz
Issue #29083: Fixed the declaration of some public API functions.
PyArg_VaParse() and PyArg_VaParseTupleAndKeywords() were not available in limited API. PyArg_ValidateKeywordArguments(), PyArg_UnpackTuple() and Py_BuildValue() were not available in limited API of version < 3.3 when PY_SSIZE_T_CLEAN is defined.
Diffstat (limited to 'Misc/NEWS')
-rw-r--r--Misc/NEWS744
1 files changed, 712 insertions, 32 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index faab4df991..34d45651af 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -2,8 +2,8 @@
Python News
+++++++++++
-What's New in Python 3.6.1 release candidate 1?
-===============================================
+What's New in Python 3.7.0 alpha 1?
+===================================
*Release date: XXXX-XX-XX*
@@ -20,6 +20,12 @@ Core and Builtins
- Issue #29159: Fix regression in bytes(x) when x.__index__() raises Exception.
+- Issue #29049: Call _PyObject_GC_TRACK() lazily when calling Python function.
+ Calling function is up to 5% faster.
+
+- Issue #28927: bytes.fromhex() and bytearray.fromhex() now ignore all ASCII
+ whitespace, not only spaces. Patch by Robert Xiao.
+
- Issue #28932: Do not include <sys/random.h> if it does not exist.
- Issue #25677: Correct the positioning of the syntax error caret for
@@ -28,6 +34,12 @@ Core and Builtins
- Issue #29000: Fixed bytes formatting of octals with zero padding in alternate
form.
+- Issue #18896: Python function can now have more than 255 parameters.
+ collections.namedtuple() now supports tuples with more than 255 elements.
+
+- Issue #28596: The preferred encoding is UTF-8 on Android. Patch written by
+ Chi Hsuan Yen.
+
- Issue #26919: On Android, operating system data is now always encoded/decoded
to/from UTF-8, instead of the locale encoding to avoid inconsistencies with
os.fsencode() and os.fsdecode() which are already using UTF-8.
@@ -35,6 +47,10 @@ Core and Builtins
- Issue #28991: functools.lru_cache() was susceptible to an obscure reentrancy
bug triggerable by a monkey-patched len() function.
+- Issue #28147: Fix a memory leak in split-table dictionaries: setattr()
+ must not convert combined table into split table. Patch written by INADA
+ Naoki.
+
- Issue #28739: f-string expressions are no longer accepted as docstrings and
by ast.literal_eval() even if they do not include expressions.
@@ -44,12 +60,167 @@ Core and Builtins
- Issue #28918: Fix the cross compilation of xxlimited when Python has been
built with Py_DEBUG defined.
+- Issue #23722: Rather than silently producing a class that doesn't support
+ zero-argument ``super()`` in methods, failing to pass the new
+ ``__classcell__`` namespace entry up to ``type.__new__`` now results in a
+ ``DeprecationWarning`` and a class that supports zero-argument ``super()``.
+
+- Issue #28797: Modifying the class __dict__ inside the __set_name__ method of
+ a descriptor that is used inside that class no longer prevents calling the
+ __set_name__ method of other descriptors.
+
+- Issue #28799: Remove the ``PyEval_GetCallStats()`` function and deprecate
+ the untested and undocumented ``sys.callstats()`` function. Remove the
+ ``CALL_PROFILE`` special build: use the :func:`sys.setprofile` function,
+ :mod:`cProfile` or :mod:`profile` to profile function calls.
+
+- Issue #12844: More than 255 arguments can now be passed to a function.
+
+- Issue #28782: Fix a bug in the implementation ``yield from`` when checking
+ if the next instruction is YIELD_FROM. Regression introduced by WORDCODE
+ (issue #26647).
+
+- Issue #28774: Fix error position of the unicode error in ASCII and Latin1
+ encoders when a string returned by the error handler contains multiple
+ non-encodable characters (non-ASCII for the ASCII codec, characters out
+ of the U+0000-U+00FF range for Latin1).
+
- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
Improve speed of dict literal with constant keys up to 30%.
+- Issue #28532: Show sys.version when -V option is supplied twice.
+
+- Issue #27100: 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.
+
+- Issue #28746: Fix the set_inheritable() file descriptor method on platforms
+ that do not have the ioctl FIOCLEX and FIONCLEX commands.
+
+- Issue #26920: Fix not getting the locale's charset upon initializing the
+ interpreter, on platforms that do not have langinfo.
+
+- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
+ when decode astral characters. Patch by Xiang Zhang.
+
+- Issue #28665: Improve speed of the STORE_DEREF opcode by 40%.
+
+- Issue #19398: Extra slash no longer added to sys.path components in case of
+ empty compile-time PYTHONPATH components.
+
+- Issue #28621: Sped up converting int to float by reusing faster bits counting
+ implementation. Patch by Adrian Wielgosik.
+
+- Issue #28580: Optimize iterating split table values.
+ Patch by Xiang Zhang.
+
+- Issue #28583: PyDict_SetDefault didn't combine split table when needed.
+ Patch by Xiang Zhang.
+
+- Issue #28128: 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.
+
+- Issue #28509: dict.update() no longer allocate unnecessary large memory.
+
+- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
+ build.
+
+- Issue #28517: Fixed of-by-one error in the peephole optimizer that caused
+ keeping unreachable code.
+
+- Issue #28214: Improved exception reporting for problematic __set_name__
+ attributes.
+
+- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
+ loss in PyTraceBack_Here().
+
+- Issue #28183: Optimize and cleanup dict iteration.
+
+- Issue #26081: Added C implementation of asyncio.Future.
+ Original patch by Yury Selivanov.
+
+- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
+ Patch by Xiang Zhang.
+
+- Issue #28376: The type of long range iterator is now registered as Iterator.
+ Patch by Oren Milman.
+
+- Issue #28376: Creating instances of range_iterator by calling range_iterator
+ type now is disallowed. Calling iter() on range instance is the only way.
+ Patch by Oren Milman.
+
+- Issue #26906: Resolving special methods of uninitialized type now causes
+ implicit initialization of the type instead of a fail.
+
+- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
+ Original patch by Niklas Koep.
+
+- Issue #24098: Fixed possible crash when AST is changed in process of
+ compiling it.
+
+- Issue #28201: Dict reduces possibility of 2nd conflict in hash table when
+ hashes have same lower bits.
+
+- Issue #28350: String constants with null character no longer interned.
+
+- Issue #26617: Fix crash when GC runs during weakref callbacks.
+
+- Issue #27942: String constants now interned recursively in tuples and frozensets.
+
+- Issue #28289: ImportError.__init__ now resets not specified attributes.
+
+- Issue #21578: Fixed misleading error message when ImportError called with
+ invalid keyword args.
+
+- Issue #28203: Fix incorrect type in complex(1.0, {2:3}) error message.
+ Patch by Soumya Sharma.
+
+- Issue #28086: Single var-positional argument of tuple subtype was passed
+ unscathed to the C-defined function. Now it is converted to exact tuple.
+
+- Issue #28214: Now __set_name__ is looked up on the class instead of the
+ instance.
+
+- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
+ syscall fails with EPERM, for example when blocked by SECCOMP.
+
+- Issue #28192: Don't import readline in isolated mode.
+
+- Issue #27441: Remove some redundant assignments to ob_size in longobject.c.
+ Thanks Oren Milman.
+
+- Issue #27222: Clean up redundant code in long_rshift function. Thanks
+ Oren Milman.
+
+- Upgrade internal unicode databases to Unicode version 9.0.0.
+
+- Issue #28131: Fix a regression in zipimport's compile_source(). zipimport
+ should use the same optimization level as the interpreter.
+
+- Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly
+ optimize memcpy().
+
+- Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
+ "pending key" (Not yet inserted in split-table). Patch by Xiang Zhang.
+
+- Issue #26182: Raise DeprecationWarning when async and await keywords are
+ used as variable/attribute/class/function name.
+
+- Issue #26182: Fix a refleak in code that raises DeprecationWarning.
+
+- Issue #28721: Fix asynchronous generators aclose() and athrow() to
+ handle StopAsyncIteration propagation properly.
+
+- Issue #26110: Speed-up method calls: add LOAD_METHOD and CALL_METHOD
+ opcodes.
+
Library
-------
+- Issue #29338: The help of a builtin or extension class now includes the
+ constructor signature if __text_signature__ is provided for the class.
+
- Issue #29335: Fix subprocess.Popen.wait() when the child process has
exited to a stopped instead of terminated state (ex: when under ptrace).
@@ -58,18 +229,29 @@ Library
- Issue #28735: Fixed the comparison of mock.MagickMock with mock.ANY.
-- Issue #29316: Restore the provisional status of typing module, add
- corresponding note to documentation. Patch by Ivan L.
+- Issue #29197: Removed deprecated function ntpath.splitunc().
+
+- Issue #29210: Removed support of deprecated argument "exclude" in
+ tarfile.TarFile.add().
- Issue #29219: Fixed infinite recursion in the repr of uninitialized
ctypes.CDLL instances.
-- Issue #29011: Fix an important omission by adding Deque to the typing module.
+- Issue #29192: Removed deprecated features in the http.cookies module.
+
+- Issue #29193: A format string argument for string.Formatter.format()
+ is now positional-only.
+
+- Issue #29195: Removed support of deprecated undocumented keyword arguments
+ in methods of regular expression objects.
- Issue #28969: Fixed race condition in C implementation of functools.lru_cache.
KeyError could be raised when cached function with full cache was
simultaneously called from differen threads with the same uncached arguments.
+- Issue #20804: The unittest.mock.sentinel attributes now preserve their
+ identity when they are copied or pickled.
+
- Issue #29142: In urllib.request, suffixes in no_proxy environment variable with
leading dots could match related hostnames again (e.g. .b.c matches a.b.c).
Patch by Milan Oberkirch.
@@ -77,31 +259,20 @@ Library
- Issue #28961: Fix unittest.mock._Call helper: don't ignore the name parameter
anymore. Patch written by Jiajun Huang.
-- Issue #29203: functools.lru_cache() now respects PEP 468 and preserves
- the order of keyword arguments. f(a=1, b=2) is now cached separately
- from f(b=2, a=1) since both calls could potentially give different results.
-
- Issue #15812: inspect.getframeinfo() now correctly shows the first line of
a context. Patch by Sam Breese.
+- Issue #28985: Update authorizer constants in sqlite3 module.
+ Patch by Dingyuan Wang.
+
- Issue #29094: Offsets in a ZIP file created with extern file object and modes
"w" and "x" now are relative to the start of the file.
-- Issue #29085: Allow random.Random.seed() to use high quality OS randomness
- rather than the pid and time.
-
-- Issue #29061: Fixed bug in secrets.randbelow() which would hang when given
- a negative input. Patch by Brendan Donegan.
-
- Issue #29079: Prevent infinite loop in pathlib.resolve() on Windows
- Issue #13051: Fixed recursion errors in large or resized
curses.textpad.Textbox. Based on patch by Tycho Andersen.
-- Issue #29119: Fix weakrefs in the pure python version of
- collections.OrderedDict move_to_end() method.
- Contributed by Andra Bogildea.
-
- Issue #9770: curses.ascii predicates now work correctly with negative
integers.
@@ -110,9 +281,6 @@ Library
- Issue 28923: Remove editor artifacts from Tix.py.
-- Issue #29055: Neaten-up empty population error on random.choice()
- by suppressing the upstream exception.
-
- Issue #28871: Fixed a crash when deallocate deep ElementTree.
- Issue #19542: Fix bugs in WeakValueDictionary.setdefault() and
@@ -122,23 +290,335 @@ Library
- Issue #20191: Fixed a crash in resource.prlimit() when passing a sequence that
doesn't own its elements as limits.
+- Issue #16255: subprocess.Popen uses /system/bin/sh on Android as the shell,
+ instead of /bin/sh.
+
- Issue #28779: multiprocessing.set_forkserver_preload() would crash the
forkserver process if a preloaded module instantiated some
multiprocessing objects such as locks.
-- Issue #28847: dbm.dumb now supports reading read-only files and no longer
- writes the index file when it is not changed.
-
- Issue #26937: The chown() method of the tarfile.TarFile class does not fail
now when the grp module cannot be imported, as for example on Android
platforms.
+- Issue #28847: dbm.dumb now supports reading read-only files and no longer
+ writes the index file when it is not changed. A deprecation warning is now
+ emitted if the index file is missed and recreated in the 'r' and 'w' modes
+ (will be an error in future Python releases).
+
+- Issue #27030: Unknown escapes consisting of ``'\'`` and an ASCII letter in
+ re.sub() replacement templates regular expressions now are errors.
+
+- Issue #28835: Fix a regression introduced in warnings.catch_warnings():
+ call warnings.showwarning() if it was overriden inside the context manager.
+
+- Issue #27172: To assist with upgrades from 2.7, the previously documented
+ deprecation of ``inspect.getfullargspec()`` has been reversed. This decision
+ may be revisited again after the Python 2.7 branch is no longer officially
+ supported.
+
+- Issue #28740: Add sys.getandroidapilevel(): return the build time API version
+ of Android as an integer. Function only available on Android.
+
+- Issue #26273: Add new :data:`socket.TCP_CONGESTION` (Linux 2.6.13) and
+ :data:`socket.TCP_USER_TIMEOUT` (Linux 2.6.37) constants. Patch written by
+ Omar Sandoval.
+
+- Issue #28752: Restored the __reduce__() methods of datetime objects.
+
+- Issue #28727: 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).
+
+- Issue #20572: Remove the subprocess.Popen.wait endtime parameter. It was
+ deprecated in 3.4 and undocumented prior to that.
+
+- Issue #25659: In ctypes, prevent a crash calling the from_buffer() and
+ from_buffer_copy() methods on abstract classes like Array.
+
+- Issue #28548: In the "http.server" module, parse the protocol version if
+ possible, to avoid using HTTP 0.9 in some error responses.
+
+- Issue #19717: Makes Path.resolve() succeed on paths that do not exist.
+ Patch by Vajrasky Kok
+
+- Issue #28563: 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.
+
+- Issue #28387: Fixed possible crash in _io.TextIOWrapper deallocator when
+ the garbage collector is invoked in other thread. Based on patch by
+ Sebastian Cufre.
+
+- Issue #27517: LZMA compressor and decompressor no longer raise exceptions if
+ given empty data twice. Patch by Benjamin Fogle.
+
+- Issue #28549: Fixed segfault in curses's addch() with ncurses6.
+
+- Issue #28449: 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.
+
+- Issue #23262: The webbrowser module now supports Firefox 36+ and derived
+ browsers. Based on patch by Oleg Broytman.
+
+- Issue #27939: 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.
+
+- Issue #28255: calendar.TextCalendar.prweek() no longer prints a space after
+ a weeks's calendar. calendar.TextCalendar.pryear() no longer prints redundant
+ newline after a year's calendar. Based on patch by Xiang Zhang.
+
+- Issue #28255: calendar.TextCalendar.prmonth() no longer prints a space
+ at the start of new line after printing a month's calendar. Patch by
+ Xiang Zhang.
+
+- Issue #20491: The textwrap.TextWrapper class now honors non-breaking spaces.
+ Based on patch by Kaarle Ritvanen.
+
+- Issue #28353: os.fwalk() no longer fails on broken links.
+
+- Issue #28430: Fix iterator of C implemented asyncio.Future doesn't accept
+ non-None value is passed to it.send(val).
+
+- Issue #27025: Generated names for Tkinter widgets now start by the "!" prefix
+ for readability (was "`").
+
+- Issue #25464: Fixed HList.header_exists() in tkinter.tix module by addin
+ a workaround to Tix library bug.
+
+- Issue #28488: shutil.make_archive() no longer adds entry "./" to ZIP archive.
+
+- Issue #25953: 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.
+
+- Issue #28469: timeit now uses the sequence 1, 2, 5, 10, 20, 50,... instead
+ of 1, 10, 100,... for autoranging.
+
+- Issue #28115: Command-line interface of the zipfile module now uses argparse.
+ Added support of long options.
+
+- Issue #18219: Optimize csv.DictWriter for large number of columns.
+ Patch by Mariatta Wijaya.
+
+- Issue #28448: Fix C implemented asyncio.Future didn't work on Windows.
+
+- Issue #23214: In the "io" module, the argument to BufferedReader and
+ BytesIO's read1() methods is now optional and can be -1, matching the
+ BufferedIOBase specification.
+
+- Issue #28480: Fix error building socket module when multithreading is
+ disabled.
+
+- Issue #28240: timeit: remove ``-c/--clock`` and ``-t/--time`` command line
+ options which were deprecated since Python 3.3.
+
+- Issue #28240: timeit now repeats the benchmarks 5 times instead of only 3
+ to make benchmarks more reliable.
+
+- Issue #28240: timeit autorange now uses a single loop iteration if the
+ benchmark takes less than 10 seconds, instead of 10 iterations.
+ "python3 -m timeit -s 'import time' 'time.sleep(1)'" now takes 4 seconds
+ instead of 40 seconds.
+
+- Distutils.sdist now looks for README and setup.py files with case
+ sensitivity. This behavior matches that found in Setuptools 6.0 and
+ later. See `setuptools 100
+ <https://github.com/pypa/setuptools/issues/100>`_ for rationale.
+
+- Issue #24452: Make webbrowser support Chrome on Mac OS X. Patch by
+ Ned Batchelder.
+
+- Issue #20766: Fix references leaked by pdb in the handling of SIGINT
+ handlers.
+
+- Issue #27998: Fixed bytes path support in os.scandir() on Windows.
+ Patch by Eryk Sun.
+
+- Issue #28317: The disassembler now decodes FORMAT_VALUE argument.
+
+- Issue #26293: Fixed writing ZIP files that starts not from the start of the
+ file. Offsets in ZIP file now are relative to the start of the archive in
+ conforming to the specification.
+
+- Issue #28380: unittest.mock Mock autospec functions now properly support
+ assert_called, assert_not_called, and assert_called_once.
+
+- Issue #28229: lzma module now supports pathlib.
+
+- Issue #28321: Fixed writing non-BMP characters with binary format in plistlib.
+
+- Issue #28225: bz2 module now supports pathlib. Initial patch by Ethan Furman.
+
+- Issue #28227: gzip now supports pathlib. Patch by Ethan Furman.
+
+- Issue #28332: Deprecated silent truncations in socket.htons and socket.ntohs.
+ Original patch by Oren Milman.
+
+- Issue #27358: Optimized merging var-keyword arguments and improved error
+ message when passing a non-mapping as a var-keyword argument.
+
+- Issue #28257: Improved error message when passing a non-iterable as
+ a var-positional argument. Added opcode BUILD_TUPLE_UNPACK_WITH_CALL.
+
+- Issue #28322: Fixed possible crashes when unpickle itertools objects from
+ incorrect pickle data. Based on patch by John Leitch.
+
+- Issue #28228: imghdr now supports pathlib.
+
+- Issue #28226: compileall now supports pathlib.
+
+- Issue #28314: Fix function declaration (C flags) for the getiterator() method
+ of xml.etree.ElementTree.Element.
+
+- Issue #28148: Stop using localtime() and gmtime() in the time
+ module.
+
+ Introduced platform independent _PyTime_localtime API that is
+ similar to POSIX localtime_r, but available on all platforms. Patch
+ by Ed Schouten.
+
+- Issue #28253: Fixed calendar functions for extreme months: 0001-01
+ and 9999-12.
+
+ Methods itermonthdays() and itermonthdays2() are reimplemented so
+ that they don't call itermonthdates() which can cause datetime.date
+ under/overflow.
+
+- Issue #28275: Fixed possible use after free in the decompress()
+ methods of the LZMADecompressor and BZ2Decompressor classes.
+ Original patch by John Leitch.
+
+- Issue #27897: Fixed possible crash in sqlite3.Connection.create_collation()
+ if pass invalid string-like object as a name. Patch by Xiang Zhang.
+
+- Issue #18844: random.choices() now has k as a keyword-only argument
+ to improve the readability of common cases and come into line
+ with the signature used in other languages.
+
+- Issue #18893: Fix invalid exception handling in Lib/ctypes/macholib/dyld.py.
+ Patch by Madison May.
+
+- Issue #27611: Fixed support of default root window in the tkinter.tix module.
+ Added the master parameter in the DisplayStyle constructor.
+
+- Issue #27348: In the traceback module, restore the formatting of exception
+ messages like "Exception: None". This fixes a regression introduced in
+ 3.5a2.
+
+- Issue #25651: Allow falsy values to be used for msg parameter of subTest().
+
+- Issue #27778: Fix a memory leak in os.getrandom() when the getrandom() is
+ interrupted by a signal and a signal handler raises a Python exception.
+
+- Issue #28200: Fix memory leak on Windows in the os module (fix
+ path_converter() function).
+
+- Issue #25400: RobotFileParser now correctly returns default values for
+ crawl_delay and request_rate. Initial patch by Peter Wirtz.
+
+- Issue #27932: Prevent memory leak in win32_ver().
+
+- Fix UnboundLocalError in socket._sendfile_use_sendfile.
+
+- Issue #28075: Check for ERROR_ACCESS_DENIED in Windows implementation of
+ os.stat(). Patch by Eryk Sun.
+
+- Issue #22493: Warning message emitted by using inline flags in the middle of
+ regular expression now contains a (truncated) regex pattern.
+ Patch by Tim Graham.
+
+- Issue #25270: Prevent codecs.escape_encode() from raising SystemError when
+ an empty bytestring is passed.
+
+- Issue #28181: Get antigravity over HTTPS. Patch by Kaartic Sivaraam.
+
+- 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 #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 #28325: Remove vestigial MacOS 9 macurl2path module and its tests.
+
+- Issue #28368: Refuse monitoring processes if the child watcher has
+ no loop attached.
+ Patch by Vincent Michel.
+
+- Issue #28369: Raise RuntimeError when transport's FD is used with
+ add_reader, add_writer, etc.
+
+- Issue #28370: Speedup asyncio.StreamReader.readexactly.
+ Patch by Коренберг Марк.
+
+- Issue #28371: Deprecate passing asyncio.Handles to run_in_executor.
+
+- Issue #28372: Fix asyncio to support formatting of non-python coroutines.
+
+- Issue #28399: Remove UNIX socket from FS before binding.
+ Patch by Коренберг Марк.
+
+- Issue #27972: Prohibit Tasks to await on themselves.
+
+- Issue #24142: Reading a corrupt config file left configparser in an
+ invalid state. Original patch by Florian Höch.
+
Windows
-------
- Issue #25778: winreg does not truncate string correctly (Patch by Eryk Sun)
-- Issue #28896: Deprecate WindowsRegistryFinder and disable it by default.
+- Issue #28896: Deprecate WindowsRegistryFinder and disable it by default
+
+- Issue #28522: Fixes mishandled buffer reallocation in getpathp.c
+
+- Issue #28402: Adds signed catalog files for stdlib on Windows.
+
+- Issue #28333: Enables Unicode for ps1/ps2 and input() prompts. (Patch by
+ Eryk Sun)
+
+- 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
C API
-----
@@ -149,33 +629,233 @@ C API
Py_BuildValue() were not available in limited API of version < 3.3 when
PY_SSIZE_T_CLEAN is defined.
+- Issue #28769: The result of PyUnicode_AsUTF8AndSize() and PyUnicode_AsUTF8()
+ is now of type "const char *" rather of "char *".
+
- Issue #29058: All stable API extensions added after Python 3.2 are now
available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of
the minimum Python version supporting this API.
+- Issue #28822: The indices parameters *start* and *end* of PyUnicode_FindChar()
+ are now adjusted to behave like ``str[start:end]``.
+
+- Issue #28808: PyUnicode_CompareWithASCIIString() now never raises exceptions.
+
+- Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef,
+ PyStructSequence_Field, PyStructSequence_Desc, and wrapperbase are now of
+ type ``const char *`` rather of ``char *``.
+
+- Issue #28748: Private variable _Py_PackageContext is now of type ``const char *``
+ rather of ``char *``.
+
+- Issue #19569: Compiler warnings are now emitted if use most of deprecated
+ functions.
+
+- Issue #28426: Deprecated undocumented functions PyUnicode_AsEncodedObject(),
+ PyUnicode_AsDecodedObject(), PyUnicode_AsDecodedUnicode() and
+ PyUnicode_AsEncodedUnicode().
+
+Documentation
+-------------
+
+- Issue #23722: The data model reference and the porting section in the
+ 3.6 What's New guide now cover the additional ``__classcell__`` handling
+ needed for custom metaclasses to fully support PEP 487 and zero-argument
+ ``super()``.
+
+- Issue #28513: Documented command-line interface of zipfile.
+
+Build
+-----
+
+- Issue #26851: Set Android compilation and link flags.
+
+- Issue #28768: Fix implicit declaration of function _setmode. Patch by
+ Masayuki Yamamoto
+
+- Issue #29080: Removes hard dependency on hg.exe from PCBuild/build.bat
+
+- Issue #23903: Added missed names to PC/python3.def.
+
+- Issue #28762: lockf() is available on Android API level 24, but the F_LOCK
+ macro is not defined in android-ndk-r13.
+
+- Issue #28538: Fix the compilation error that occurs because if_nameindex() is
+ available on Android API level 24, but the if_nameindex structure is not
+ defined.
+
+- Issue #20211: Do not add the directory for installing C header files and the
+ directory for installing object code libraries to the cross compilation
+ search paths. Original patch by Thomas Petazzoni.
+
+- Issue #28849: Do not define sys.implementation._multiarch on Android.
+
+- Issue #10656: Fix out-of-tree building on AIX. Patch by Tristan Carel and
+ Michael Haubenwallner.
+
+- Issue #26359: Rename --with-optimiations to --enable-optimizations.
+
+- Issue #28444: Fix missing extensions modules when cross compiling.
+
+- Issue #28208: Update Windows build and OS X installers to use SQLite 3.14.2.
+
+- Issue #28248: Update Windows build and OS X installers to use OpenSSL 1.0.2j.
+
+- Issue #21124: Fix building the _struct module on Cygwin by passing ``NULL``
+ instead of ``&PyType_Type`` to PyVarObject_HEAD_INIT. Patch by Masayuki
+ Yamamoto.
+
+- Issue #13756: Fix building extensions modules on Cygwin. Patch by Roumen
+ Petrov, based on original patch by Jason Tishler.
+
+- Issue #21085: Add configure check for siginfo_t.si_band, which Cygwin does
+ not provide. Patch by Masayuki Yamamoto with review and rebase by Erik Bray.
+
+- 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 #27979: A full copy of libffi is no longer bundled for use when
+ building _ctypes on non-OSX UNIX platforms. An installed copy of libffi is
+ now required when building _ctypes on such platforms.
+
+- Issue #15819: Remove redundant include search directory option for building
+ outside the source tree.
+
+- Issue #28676: Prevent missing 'getentropy' declaration warning on macOS.
+ Patch by Gareth Rees.
+
+Tools/Demos
+-----------
+
+- Issue #28023: Fix python-gdb.py didn't support new dict implementation.
+
+- Issue #15369: The pybench and pystone microbenchmark have been removed from
+ Tools. Please use the new Python benchmark suite
+ https://github.com/python/performance which is more reliable and includes a
+ portable version of pybench working on Python 2 and Python 3.
+
+- Issue #28102: The zipfile module CLI now prints usage to stderr.
+ Patch by Stephen J. Turnbull.
+
Tests
-----
+- Issue #24932: Use proper command line parsing in _testembed
+
- Issue #28950: Disallow -j0 to be combined with -T/-l in regrtest
command line arguments.
- Issue #28683: Fix the tests that bind() a unix socket and raise
PermissionError on Android for a non-root user.
+ - Issue #26936: Fix the test_socket failures on Android - getservbyname(),
+ getservbyport() and getaddrinfo() are broken on some Android API levels.
+
+- Issue #28666: Now test.support.rmtree is able to remove unwritable or
+ unreadable directories.
+
+- Issue #23839: Various caches now are cleared before running every test file.
+
+- Issue #26944: Fix test_posix for Android where 'id -G' is entirely wrong or
+ missing the effective gid.
+
+- Issue #28409: regrtest: fix the parser of command line arguments.
+
+- Issue #28217: Adds _testconsole module to test console input.
+
- Issue #26939: Add the support.setswitchinterval() function to fix
test_functools hanging on the Android armv7 qemu emulator.
-Build
+
+What's New in Python 3.6.1 release candidate 1?
+===============================================
+
+*Release date: XXXX-XX-XX*
+
+Core and Builtins
+-----------------
+
+- Issue #28932: Do not include <sys/random.h> if it does not exist.
+
+- Issue #25677: Correct the positioning of the syntax error caret for
+ indented blocks. Based on patch by Michael Layzell.
+
+- Issue #29000: Fixed bytes formatting of octals with zero padding in alternate
+ form.
+
+- Issue #26919: On Android, operating system data is now always encoded/decoded
+ to/from UTF-8, instead of the locale encoding to avoid inconsistencies with
+ os.fsencode() and os.fsdecode() which are already using UTF-8.
+
+- Issue #28991: functools.lru_cache() was susceptible to an obscure reentrancy
+ bug triggerable by a monkey-patched len() function.
+
+- Issue #28739: f-string expressions are no longer accepted as docstrings and
+ by ast.literal_eval() even if they do not include expressions.
+
+- Issue #28512: Fixed setting the offset attribute of SyntaxError by
+ PyErr_SyntaxLocationEx() and PyErr_SyntaxLocationObject().
+
+- Issue #28918: Fix the cross compilation of xxlimited when Python has been
+ built with Py_DEBUG defined.
+
+- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
+ Improve speed of dict literal with constant keys up to 30%.
+
+Library
+-------
+
+- Issue #29085: Allow random.Random.seed() to use high quality OS randomness
+ rather than the pid and time.
+
+- Issue 28923: Remove editor artifacts from Tix.py.
+
+- Issue #29055: Neaten-up empty population error on random.choice()
+ by suppressing the upstream exception.
+
+- Issue #28871: Fixed a crash when deallocate deep ElementTree.
+
+- Issue #19542: Fix bugs in WeakValueDictionary.setdefault() and
+ WeakValueDictionary.pop() when a GC collection happens in another
+ thread.
+
+- Issue #20191: Fixed a crash in resource.prlimit() when passing a sequence that
+ doesn't own its elements as limits.
+
+- Issue #28779: multiprocessing.set_forkserver_preload() would crash the
+ forkserver process if a preloaded module instantiated some
+ multiprocessing objects such as locks.
+
+- Issue #28847: dbm.dumb now supports reading read-only files and no longer
+ writes the index file when it is not changed.
+
+- Issue #26937: The chown() method of the tarfile.TarFile class does not fail
+ now when the grp module cannot be imported, as for example on Android
+ platforms.
+
+Windows
+-------
+
+- Issue #25778: winreg does not truncate string correctly (Patch by Eryk Sun)
+
+- Issue #28896: Deprecate WindowsRegistryFinder and disable it by default.
+
+Tests
-----
-- Issue #26851: Set Android compilation and link flags.
+- Issue #28950: Disallow -j0 to be combined with -T/-l in regrtest
+ command line arguments.
-- Issue #28768: Fix implicit declaration of function _setmode. Patch by
- Masayuki Yamamoto
+- Issue #28683: Fix the tests that bind() a unix socket and raise
+ PermissionError on Android for a non-root user.
-- Issue #29080: Removes hard dependency on hg.exe from PCBuild/build.bat
+- Issue #26939: Add the support.setswitchinterval() function to fix
+ test_functools hanging on the Android armv7 qemu emulator.
-- Issue #23903: Added missed names to PC/python3.def.
+Build
+-----
- Issue #28762: lockf() is available on Android API level 24, but the F_LOCK
macro is not defined in android-ndk-r13.