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author | Yury Selivanov <yury@magic.io> | 2017-03-03 06:05:44 (GMT) |
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committer | Yury Selivanov <yury@magic.io> | 2017-03-03 06:08:10 (GMT) |
commit | 2adc66848135be8e86ba08690a858737a65ae40d (patch) | |
tree | a27812a083156b3564c5b68f23825e7d88068d23 | |
parent | 93692b1a7cfd70be2aed33d77da05518d3a41f51 (diff) | |
download | cpython-2adc66848135be8e86ba08690a858737a65ae40d.zip cpython-2adc66848135be8e86ba08690a858737a65ae40d.tar.gz cpython-2adc66848135be8e86ba08690a858737a65ae40d.tar.bz2 |
Restore NEWS file after incorrect git automerge
-rw-r--r-- | Misc/NEWS | 788 |
1 files changed, 3 insertions, 785 deletions
@@ -4,8 +4,6 @@ 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* @@ -22,7 +20,7 @@ Core and Builtins It should raise TypeError when kwargs is not a dict. But it might cause segv when args=NULL and kwargs is not a dict. -- bpo-28598: Support __rmod__ for subclasses of str being called before +- Issue #28598: Support __rmod__ for subclasses of str being called before str.__mod__. Patch by Martijn Pieters. - bpo-29607: Fix stack_effect computation for CALL_FUNCTION_EX. @@ -35,17 +33,8 @@ Core and Builtins - bpo-29347: Fixed possibly dereferencing undefined pointers when creating weakref objects. -- bpo-29463: Add ``docstring`` field to Module, ClassDef, FunctionDef, - and AsyncFunctionDef ast nodes. docstring is not first stmt in their body - anymore. It affects ``co_firstlineno`` and ``co_lnotab`` of code object - for module and class. - - bpo-29438: Fixed use-after-free problem in key sharing dict. -- bpo-29546: Set the 'path' and 'name' attribute on ImportError for ``from ... import ...``. - -- bpo-29546: Improve from-import error message with location - - Issue #29319: Prevent RunMainFromImporter overwriting sys.path[0]. - Issue #29337: Fixed possible BytesWarning when compare the code objects. @@ -58,12 +47,6 @@ 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 @@ -72,12 +55,6 @@ 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. @@ -85,10 +62,6 @@ 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. @@ -98,161 +71,9 @@ 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. - Extension Modules ----------------- @@ -264,611 +85,8 @@ Library - bpo-28963: Fix out of bound iteration in asyncio.Future.remove_done_callback implemented in C. -- bpo-29704: asyncio.subprocess.SubprocessStreamProtocol no longer closes before - all pipes are closed. - -- bpo-29271: Fix Task.current_task and Task.all_tasks implemented in C - to accept None argument as their pure Python implementation. - -- bpo-29703: Fix asyncio to support instantiation of new event loops - in child processes. - -- bpo-29615: SimpleXMLRPCDispatcher no longer chains KeyError (or any other - exception) to exception(s) raised in the dispatched methods. - Patch by Petr Motejlek. - -- bpo-7769: Method register_function() of xmlrpc.server.SimpleXMLRPCDispatcher - and its subclasses can now be used as a decorator. - -- bpo-29376: Fix assertion error in threading._DummyThread.is_alive(). - -- bpo-28624: Add a test that checks that cwd parameter of Popen() accepts - PathLike objects. Patch by Sayan Chowdhury. - -- bpo-28518: Start a transaction implicitly before a DML statement. - Patch by Aviv Palivoda. - -- Issue #16285: urrlib.parse.quote is now based on RFC 3986 and hence includes - '~' in the set of characters that is not quoted by default. Patch by - Christian Theune and Ratnadeep Debnath. - -- bpo-29532: Altering a kwarg dictionary passed to functools.partial() - no longer affects a partial object after creation. - -- bpo-29110: Fix file object leak in aifc.open() when file is given as a - filesystem path and is not in valid AIFF format. Patch by Anthony Zhang. - -- bpo-22807: Add uuid.SafeUUID and uuid.UUID.is_safe to relay information from - the platform about whether generated UUIDs are generated with a - multiprocessing safe method. - -- bpo-29576: Improve some deprecations in importlib. Some deprecated methods - now emit DeprecationWarnings and have better descriptive messages. - -- bpo-29534: Fixed different behaviour of Decimal.from_float() - for _decimal and _pydecimal. Thanks Andrew Nester. - -- Issue #28556: Various updates to typing module: typing.Counter, typing.ChainMap, - improved ABC caching, etc. Original PRs by Jelle Zijlstra, Ivan Levkivskyi, - Manuel Krebber, and Łukasz Langa. - -- Issue #29100: Fix datetime.fromtimestamp() regression introduced in Python - 3.6.0: check minimum and maximum years. - -- Issue #29416: Prevent infinite loop in pathlib.Path.mkdir - -- Issue #29444: Fixed out-of-bounds buffer access in the group() method of - the match object. Based on patch by WGH. - -- Issue #29377: Add SlotWrapperType, MethodWrapperType, and - MethodDescriptorType built-in types to types module. - Original patch by Manuel Krebber. - -- Issue #29218: Unused install_misc command is now removed. It has been - documented as unused since 2000. Patch by Eric N. Vander Weele. - -- Issue #29368: The extend() method is now called instead of the append() - method when unpickle collections.deque and other list-like objects. - This can speed up unpickling to 2 times. - -- 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). - -- Issue #29290: Fix a regression in argparse that help messages would wrap at - non-breaking spaces. - -- Issue #28735: Fixed the comparison of mock.MagickMock with mock.ANY. - -- 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 #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. - -- Issue #28961: Fix unittest.mock._Call helper: don't ignore the name parameter - anymore. Patch written by Jiajun Huang. - -- 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 #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 #9770: curses.ascii predicates now work correctly with negative - integers. - -- Issue #28427: old keys should not remove new values from - WeakValueDictionary when collecting from another thread. - -- Issue 28923: Remove editor artifacts from Tix.py. - -- 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 #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 #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 #24241: The webbrowser in an X environment now prefers using the - default browser directly. Also, the webbrowser register() function now has - a documented 'preferred' argument, to specify browsers to be returned by - get() with no arguments. Patch by David Steele - -- 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 -------- - -- bpo-29579: Removes readme.txt from the installer. - -- Issue #25778: winreg does not truncate string correctly (Patch by Eryk Sun) - -- 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 ------ - -- Issue #27867: Function PySlice_GetIndicesEx() is deprecated and replaced with - a macro if Py_LIMITED_API is not set or set to the value between 0x03050400 - and 0x03060000 (not including) or 0x03060100 or higher. Added functions - PySlice_Unpack() and PySlice_AdjustIndices(). - -- 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. - -- 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 index 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 -------------- - -- bpo-28929: Link the documentation to its source file on GitHub. - -- bpo-25008: Document smtpd.py as effectively deprecated and add a pointer to - aiosmtpd, a third-party asyncio-based replacement. - -- Issue #26355: Add canonical header link on each page to corresponding major - version of the documentation. Patch by Matthias Bussonnier. - -- Issue #29349: Fix Python 2 syntax in code for building the documentation. - -*Release date: XXXX-XX-XX* - -Core and Builtins ------------------ - -- bpo-28893: Set correct __cause__ for errors about invalid awaitables - returned from __aiter__ and __anext__. - -- bpo-29683: Fixes to memory allocation in _PyCode_SetExtra. Patch by - Brian Coleman. - -- bpo-29684: Fix minor regression of PyEval_CallObjectWithKeywords. - It should raise TypeError when kwargs is not a dict. But it might - cause segv when args=NULL and kwargs is not a dict. - -- Issue #28598: Support __rmod__ for subclasses of str being called before - str.__mod__. Patch by Martijn Pieters. - -- bpo-29607: Fix stack_effect computation for CALL_FUNCTION_EX. - Patch by Matthieu Dartiailh. - -- bpo-29602: Fix incorrect handling of signed zeros in complex constructor for - complex subclasses and for inputs having a __complex__ method. Patch - by Serhiy Storchaka. - -- bpo-29347: Fixed possibly dereferencing undefined pointers - when creating weakref objects. - -- bpo-29438: Fixed use-after-free problem in key sharing dict. - -- Issue #29319: Prevent RunMainFromImporter overwriting sys.path[0]. - -- Issue #29337: Fixed possible BytesWarning when compare the code objects. - Warnings could be emitted at compile time. - -- Issue #29327: Fixed a crash when pass the iterable keyword argument to - sorted(). - -- Issue #29034: Fix memory leak and use-after-free in os module (path_converter). - -- Issue #29159: Fix regression in bytes(x) when x.__index__() raises Exception. - -- 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%. - -Extension Modules ------------------ - -- Issue #29169: Update zlib to 1.2.11. - -Library -------- +- bpo-29704: asyncio.subprocess.SubprocessStreamProtocol no longer closes + before all pipes are closed. - bpo-29271: Fix Task.current_task and Task.all_tasks implemented in C to accept None argument as their pure Python implementation. |