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CVS Commit History:


   2021-04-03 08:22:06 by Adam Ciarcinski | Files touched by this commit (5) | Package updated
Log message:
python38: updated to 3.8.9

Python 3.8.9 final

Security

bpo-42988: CVE-2021-3426: Remove the getfile feature of the pydoc module which \ 
could be abused to read arbitrary files on the disk (directory traversal \ 
vulnerability). Moreover, even source code of Python modules can contain \ 
sensitive data like passwords. Vulnerability reported by David Schwörer.
bpo-43285: ftplib no longer trusts the IP address value returned from the server \ 
in response to the PASV command by default. This prevents a malicious FTP server \ 
from using the response to probe IPv4 address and port combinations on the \ 
client network.

Code that requires the former vulnerable behavior may set a \ 
trust_server_pasv_ipv4_address attribute on their ftplib.FTP instances to True \ 
to re-enable it.
bpo-43439: Add audit hooks for gc.get_objects(), gc.get_referrers() and \ 
gc.get_referents(). Patch by Pablo Galindo.

Core and Builtins
bpo-43660: Fix crash that happens when replacing sys.stderr with a callable that \ 
can remove the object while an exception is being printed. Patch by Pablo \ 
Galindo.
bpo-35883: Python no longer fails at startup with a fatal error if a command \ 
line argument contains an invalid Unicode character. The Py_DecodeLocale() \ 
function now escapes byte sequences which would be decoded as Unicode characters \ 
outside the [U+0000; U+10ffff] range.
bpo-43406: Fix a possible race condition where PyErr_CheckSignals tries to \ 
execute a non-Python signal handler.

Library
bpo-35930: Raising an exception raised in a “future” instance will create \ 
reference cycles.
bpo-43577: Fix deadlock when using ssl.SSLContext debug callback with \ 
ssl.SSLContext.sni_callback().
bpo-43423: subprocess.communicate() no longer raises an IndexError when there is \ 
an empty stdout or stderr IO buffer during a timeout on Windows.
bpo-27820: Fixed long-standing bug of smtplib.SMTP where doing AUTH LOGIN with \ 
initial_response_ok=False will fail.

The cause is that SMTP.auth_login _always_ returns a password if provided with a \ 
challenge string, thus non-compliant with the standard for AUTH LOGIN.

Also fixes bug with the test for smtpd.
bpo-43399: Fix ElementTree.extend not working on iterators when using the Python \ 
implementation
bpo-43316: The python -m gzip command line application now properly fails when \ 
detecting an unsupported extension. It exits with a non-zero exit code and \ 
prints an error message to stderr.
bpo-43260: Fix TextIOWrapper can not flush internal buffer forever after very \ 
large text is written.
bpo-42782: Fail fast in shutil.move() to avoid creating destination directories \ 
on failure.
bpo-37193: Fixed memory leak in socketserver.ThreadingMixIn introduced in Python 3.7.

Documentation
bpo-43199: Answer “Why is there no goto?” in the Design and History FAQ.
bpo-43407: Clarified that a result from time.monotonic(), time.perf_counter(), \ 
time.process_time(), or time.thread_time() can be compared with the result from \ 
any following call to the same function - not just the next immediate call.
bpo-27646: Clarify that ‘yield from <expr>’ works with any iterable, \ 
not just iterators.
bpo-36346: Update some deprecated unicode APIs which are documented as “will \ 
be removed in 4.0” to “3.12”. See PEP 623 for detail.

Tests
bpo-37945: Fix test_getsetlocale_issue1813() of test_locale: skip the test if \ 
setlocale() fails. Patch by Victor Stinner.
bpo-41561: Add workaround for Ubuntu’s custom OpenSSL security level policy.

Build
bpo-43631: Update macOS, Windows, and CI to OpenSSL 1.1.1k.
bpo-43617: Improve configure.ac: Check for presence of autoconf-archive package \ 
and remove our copies of M4 macros.

macOS
bpo-41837: Update macOS installer build to use OpenSSL 1.1.1j.

IDLE
bpo-42225: Document that IDLE can fail on Unix either from misconfigured IP \ 
masquerage rules or failure displaying complex colored (non-ascii) characters.
bpo-43283: Document why printing to IDLE’s Shell is often slower than printing \ 
to a system terminal and that it can be made faster by pre-formatting a single \ 
string before printing.
   2021-02-20 20:29:06 by Adam Ciarcinski | Files touched by this commit (5) | Package updated
Log message:
python38 py38-html-docs: updated to 3.8.8

Python 3.8.8

Security
bpo-42967: Fix web cache poisoning vulnerability by defaulting the query args \ 
separator to &, and allowing the user to choose a custom separator.
bpo-42938: Avoid static buffers when computing the repr of ctypes.c_double and \ 
ctypes.c_longdouble values.

Core and Builtins
bpo-42819: readline: Explicitly disable bracketed paste in the interactive \ 
interpreter, even if it’s set in the inputrc, is enabled by default (eg GNU \ 
Readline 8.1), or a user calls readline.read_init_file(). The Python REPL has \ 
not implemented bracketed paste support. Also, bracketed mode writes the \ 
"\x1b[?2004h" escape sequence into stdout which causes test failures \ 
in applications that don’t support it. It can still be explicitly enabled by \ 
calling readline.parse_and_bind("set enable-bracketed-paste on"). \ 
Patch by Dustin Rodrigues.

Library
bpo-43108: Fixed a reference leak in the curses module. Patch by Pablo Galindo
bpo-42780: Fix os.set_inheritable() for O_PATH file descriptors on Linux.
bpo-41748: Fix HTMLParser parsing rules for element attributes containing commas \ 
with spaces. Patch by Karl Dubost.
bpo-42759: Fixed equality comparison of tkinter.Variable and tkinter.font.Font. \ 
Objects which belong to different Tcl interpreters are now always different, \ 
even if they have the same name.
bpo-23328: Allow / character in username, password fields on _PROXY envars.
bpo-42681: Fixed range checks for color and pair numbers in curses.
bpo-42531: importlib.resources.path() now works for packages missing the \ 
optional __file__ attribute (more specifically, packages whose __spec__.origin \ 
is None).
bpo-42388: Fix subprocess.check_output(…, input=None) behavior when text=True \ 
to be consistent with that of the documentation and universal_newlines=True.
bpo-42384: Make pdb populate sys.path[0] exactly the same as regular python \ 
execution.
bpo-42383: Fix pdb: previously pdb would fail to restart the debugging target if \ 
it was specified using a relative path and the current directory changed.
bpo-42318: Fixed support of non-BMP characters in tkinter on macOS.
bpo-42005: Fix CLI of cProfile and profile to catch BrokenPipeError.
bpo-41604: Don’t decrement the reference count of the previous user_ptr when \ 
set_panel_userptr fails.
bpo-26407: Unexpected errors in calling the __iter__ method are no longer masked \ 
by TypeError in csv.reader(), csv.writer.writerow() and csv.writer.writerows().
bpo-39068: Fix initialization race condition in a85encode() and b85encode() in \ 
base64. Patch by Brandon Stansbury.
bpo-36589: The curses.update_lines_cols() function now returns None instead of 1 \ 
on success.
bpo-33289: Correct call to tkinter.colorchooser to return RGB triplet of ints \ 
instead of floats. Patch by Cheryl Sabella.

Documentation
bpo-40304: Fix doc for type(name, bases, dict). Patch by Boris Verkhovskiy and \ 
Éric Araujo.
bpo-42811: Updated importlib.utils.resolve_name() doc to use __spec__.parent \ 
instead of __package__. (Thanks Yair Frid.)

Tests
bpo-42794: Update test_nntplib to use offical group name of news.aioe.org for \ 
testing. Patch by Dong-hee Na.
bpo-40810: In sqlite3, fix CheckTraceCallbackContent for SQLite pre 3.7.15.

Build
bpo-29076: Add fish shell support to macOS installer.

Windows
bpo-41837: Updated Windows installer to include OpenSSL 1.1.1i
bpo-42584: Upgrade Windows installer to use SQLite 3.34.0.

macOS
bpo-41837: Update macOS installer build to use OpenSSL 1.1.1i.
bpo-42584: Update macOS installer to use SQLite 3.34.0.

IDLE
bpo-43008: Make IDLE invoke sys.excepthook() in normal, 2-process mode. Patch by \ 
Ken Hilton.
bpo-33065: Fix problem debugging user classes with __repr__ method.
bpo-42508: Keep IDLE running on macOS. Remove obsolete workaround that prevented \ 
running files with shortcuts when using new universal2 installers built on macOS \ 
11.
bpo-23544: Disable Debug=>Stack Viewer when user code is running or Debugger \ 
is active, to prevent hang or crash. Patch by Zackery Spytz.
bpo-32631: Finish zzdummy example extension module: make menu entries work; add \ 
docstrings and tests with 100% coverage.

Tools/Demos
bpo-42726: Fixed Python 3 compatibility issue with gdb/libpython.py handling of \ 
attribute dictionaries.

C API
bpo-43030: Fixed a compiler warning in Py_UNICODE_ISSPACE() on platforms with \ 
signed wchar_t.
bpo-40052: Fix an alignment build warning/error in function \ 
PyVectorcall_Function(). Patch by Andreas Schneider, Antoine Pitrou and Petr \ 
Viktorin.
   2021-01-02 10:51:49 by Adam Ciarcinski | Files touched by this commit (8) | Package updated
Log message:
python38 py38-html-docs: updated to 3.8.7

Python 3.8.7

Core and Builtins
bpo-32381: Fix encoding name when running a .pyc file on Windows: \ 
PyRun_SimpleFileExFlags() now uses the correct encoding to decode the filename.
bpo-42536: Several built-in and standard library types now ensure that their \ 
internal result tuples are always tracked by the garbage collector:

collections.OrderedDict.items()
dict.items()
enumerate()
functools.reduce()
itertools.combinations()
itertools.combinations_with_replacement()
itertools.permutations()
itertools.product()
itertools.zip_longest()
zip()
Previously, they could have become untracked by a prior garbage collection. \ 
Patch by Brandt Bucher.

Library
bpo-42630: tkinter functions and constructors which need a default root window \ 
raise now RuntimeError with descriptive message instead of obscure \ 
AttributeError or NameError if it is not created yet or cannot be created \ 
automatically.
bpo-42644: logging.disable will now validate the types and value of its \ 
parameter. It also now accepts strings representing the levels (as does \ 
loging.setLevel) instead of only the numerical values.
bpo-36541: Fixed lib2to3.pgen2 to be able to parse PEP-570 positional only \ 
argument syntax.
bpo-42375: subprocess module update for DragonFlyBSD support.
bpo-39825: Windows: Change sysconfig.get_config_var('EXT_SUFFIX') to the \ 
expected full platform_tag.extension format. Previously it was hard-coded to \ 
.pyd, now it is compatible with distutils.sysconfig and will result in something \ 
like .cp38-win_amd64.pyd. This brings windows into conformance with the other \ 
platforms.
bpo-39101: Fixed tests using IsolatedAsyncioTestCase from hanging on BaseExceptions.
bpo-41907: fix format() behavior for IntFlag
bpo-41889: Enum: fix regression involving inheriting a multiply-inherited enum
bpo-41891: Ensure asyncio.wait_for waits for task completion
bpo-40219: Lowered tkinter.ttk.LabeledScale dummy widget to prevent hiding part \ 
of the content label.
bpo-40084: Fix Enum.__dir__: dir(Enum.member) now includes attributes as well as \ 
methods.

Documentation
bpo-17140: Add documentation for the multiprocessing.pool.ThreadPool class.

Build
bpo-42604: Now all platforms use a value for the “EXT_SUFFIX” build variable \ 
derived from SOABI (for instance in freeBSD, “EXT_SUFFIX” is now \ 
“.cpython-310d.so” instead of “.so”). Previosuly only Linux, Mac and \ 
VxWorks were using a value for “EXT_SUFFIX” that included “SOABI”.
bpo-42598: Fix implicit function declarations in configure which could have \ 
resulted in incorrect configuration checks. Patch contributed by Joshua Root.

Tools/Demos
bpo-42613: Fix freeze.py tool to use the prope config and library directories. \ 
Patch by Victor Stinner.

Python 3.8.7 release candidate 1

Security
bpo-42103: Prevented potential DoS attack via CPU and RAM exhaustion when \ 
processing malformed Apple Property List files in binary format.
bpo-42051: The plistlib module no longer accepts entity declarations in XML \ 
plist files to avoid XML vulnerabilities. This should not affect users as entity \ 
declarations are not used in regular plist files.
bpo-40791: Add volatile to the accumulator variable in hmac.compare_digest, \ 
making constant-time-defeating optimizations less likely.

Core and Builtins
bpo-41686: On Windows, the SIGINT event, _PyOS_SigintEvent(), is now created \ 
even if Python is configured to not install signal handlers (if \ 
PyConfig.install_signal_handlers equals to 0, or Py_InitializeEx(0)).
bpo-42143: Fix handling of errors during creation of PyFunctionObject, which \ 
resulted in operations on uninitialized memory. Patch by Yonatan Goldschmidt.
bpo-41984: The garbage collector now tracks all user-defined classes. Patch by \ 
Brandt Bucher.
bpo-41909: Fixed stack overflow in issubclass() and isinstance() when getting \ 
the __bases__ attribute leads to infinite recursion.
bpo-41894: When loading a native module and a load failure occurs, prevent a \ 
possible UnicodeDecodeError when not running in a UTF-8 locale by decoding the \ 
load error message using the current locale’s encoding.

Library
bpo-17735: inspect.findsource() now raises OSError instead of IndexError when \ 
co_lineno of a code object is greater than the file length. This can happen, for \ 
example, when a file is edited after it was imported. PR by Irit Katriel.
bpo-42116: Fix handling of trailing comments by inspect.getsource().
bpo-42482: TracebackException no longer holds a reference to the exception’s \ 
traceback object. Consequently, instances of TracebackException for equivalent \ 
but non-equal exceptions now compare as equal.
bpo-42406: We fixed an issue in pickle.whichmodule in which importing \ 
multiprocessing could change the how pickle identifies which module an object \ 
belongs to, potentially breaking the unpickling of those objects.
bpo-42328: Fixed tkinter.ttk.Style.map(). The function accepts now the \ 
representation of the default state as empty sequence (as returned by \ 
Style.map()). The structure of the result is now the same on all platform and \ 
does not depend on the value of wantobjects.
bpo-42014: The onerror callback from shutil.rmtree now receives correct function \ 
when os.open fails.
bpo-42237: Fix os.sendfile() on illumos.
bpo-42249: Fixed writing binary Plist files larger than 4 GiB.
bpo-35455: On Solaris, thread_time() is now implemented with gethrvtime() \ 
because clock_gettime(CLOCK_THREAD_CPUTIME_ID) is not always available. Patch by \ 
Jakub Kulik.
bpo-41754: webbrowser: Ignore NotADirectoryError when calling xdg-settings.
bpo-29566: binhex.binhex() consisently writes macOS 9 line endings.
bpo-42183: Fix a stack overflow error for asyncio Task or Future repr().

The overflow occurs under some circumstances when a Task or Future recursively \ 
returns itself.
bpo-42103: InvalidFileException and RecursionError are now the only errors \ 
caused by loading malformed binary Plist file (previously ValueError and \ 
TypeError could be raised in some specific cases).
bpo-41491: plistlib: fix parsing XML plists with hexadecimal integer values
bpo-32498: Clearer exception message when passing an argument of type bytes to \ 
urllib.parse.unquote(). This is only for 3.8; in 3.9 and later this function \ 
accepts bytes inputs as well. PR by Irit Katriel.
bpo-42065: Fix an incorrectly formatted error from _codecs.charmap_decode() when \ 
called with a mapped value outside the range of valid Unicode code points. PR by \ 
Max Bernstein.
bpo-41966: Fix pickling pure Python datetime.time subclasses. Patch by Dean Inwood.
bpo-41976: Fixed a bug that was causing ctypes.util.find_library() to return \ 
None when triying to locate a library in an environment when gcc>=9 is \ 
available and ldconfig is not. Patch by Pablo Galindo
bpo-41900: C14N 2.0 serialisation in xml.etree.ElementTree failed for unprefixed \ 
attributes when a default namespace was defined.
bpo-41855: In importlib.metadata, fix issue where multiple children can be \ 
returned from FastPath.zip_children(). Backport of \ 
python-devs/importlib_metadata#117.
bpo-41840: Fix a bug in the symtable module that was causing module-scope global \ 
variables to not be reported as both local and global. Patch by Pablo Galindo.
bpo-41831: str() for the type attribute of the tkinter.Event object always \ 
returns now the numeric code returned by Tk instead of the name of the event \ 
type.
bpo-41662: No longer override exceptions raised in __len__() of a sequence of \ 
parameters in sqlite3 with ProgrammingError.
bpo-41662: Fixed crash when mutate list of parameters during iteration in sqlite3.
bpo-34215: Clarify the error message for asyncio.IncompleteReadError when \ 
expected is None.
bpo-41316: Fix the tarfile module to write only basename of TAR file to GZIP \ 
compression header.
bpo-12800: Extracting a symlink from a tarball should succeed and overwrite the \ 
symlink if it already exists. The fix is to remove the existing file or symlink \ 
before extraction. Based on patch by Chris AtLee, Jeffrey Kintscher, and Senthil \ 
Kumaran.
bpo-16936: Allow ctypes.wintypes to be imported on non-Windows systems.
bpo-40592: shutil.which() now ignores empty entries in PATHEXT instead of \ 
treating them as a match.
bpo-40492: Fix --outfile for cProfile / profile not writing the output file in \ 
the original directory when the program being profiled changes the working \ 
directory. PR by Anthony Sottile.
bpo-40105: ZipFile truncates files to avoid corruption when a shorter comment is \ 
provided in append (“a”) mode. Patch by Jan Mazur.
bpo-27321: Fixed KeyError exception when flattening an email to a string \ 
attempts to replace a non-existent Content-Transfer-Encoding header.
bpo-32793: Fix a duplicated debug message when smtplib.SMTP.connect() is called.

Documentation
bpo-42153: Fix the URL for the IMAP protocol documents.
bpo-41910: Document the default implementation of object.__eq__.
bpo-41774: In Programming FAQ “Sequences (Tuples/Lists)” section, add “How \ 
do you remove multiple items from a list”.
bpo-39416: Document some restrictions on the default string representations of \ 
numeric classes.

Tests
bpo-41473: Reenable test_gdb on gdb 9.2 and newer: \ 
https://bugzilla.redhat.com/show_bug.cgi?id=1866884 bug is fixed in gdb 10.1.
bpo-42553: Fix test_asyncio.test_call_later() race condition: don’t measure \ 
asyncio performance in the call_later() unit test. The test failed randomly on \ 
the CI.
bpo-40754: Include _testinternalcapi module in Windows installer for test suite
bpo-41739: Fix test_logging.test_race_between_set_target_and_flush(): the test \ 
now waits until all threads complete to avoid leaking running threads.
bpo-41944: Tests for CJK codecs no longer call eval() on content received via HTTP.
bpo-41939: Fix test_site.test_license_exists_at_url(): call \ 
urllib.request.urlcleanup() to reset the global urllib.request._opener. Patch by \ 
Victor Stinner.
bpo-41561: test_ssl: skip test_min_max_version_mismatch when TLS 1.0 is not available
bpo-41602: Add tests for SIGINT handling in the runpy module.
bpo-41306: Fixed a failure in test_tk.test_widgets.ScaleTest happening when \ 
executing the test with Tk 8.6.10.

Build
bpo-42398: Fix a race condition in “make regen-all” when make -jN option is \ 
used to run jobs in parallel. The clinic.py script now only use atomic write to \ 
write files. Moveover, generated files are now left unchanged if the content \ 
does not change, to not change the file modification time.

Windows
bpo-42120: Remove macro definition of copysign (to _copysign) in headers.
bpo-38439: Updates the icons for IDLE in the Windows Store package.
bpo-41557: Update Windows installer to use SQLite 3.33.0.
bpo-38324: Avoid Unicode errors when accessing certain locale data on Windows.

macOS
bpo-38443: The --enable-universalsdk and --with-universal-archs options for the \ 
configure script now check that the specified architectures can be used.
bpo-41471: Ignore invalid prefix lengths in system proxy excludes.
bpo-41557: Update macOS installer to use SQLite 3.33.0.

IDLE
bpo-42426: Fix reporting offset of the RE error in searchengine.
bpo-42415: Get docstrings for IDLE calltips more often by using inspect.getdoc.
bpo-33987: Mostly finish using ttk widgets, mainly for editor, settings, and \ 
searches. Some patches by Mark Roseman.
bpo-41775: Use ‘IDLE Shell’ as shell title
bpo-40511: Typing opening and closing parentheses inside the parentheses of a \ 
function call will no longer cause unnecessary “flashing” off and on of an \ 
existing open call-tip, e.g. when typed in a string literal.
bpo-38439: Add a 256×256 pixel IDLE icon to the Windows .ico file. Created by \ 
Andrew Clover. Remove the low-color gif variations from the .ico file.

C API
bpo-41986: Py_FileSystemDefaultEncodeErrors and Py_UTF8Mode are available again \ 
in limited API.
   2020-12-07 14:14:39 by Nia Alarie | Files touched by this commit (5)
Log message:
python*: Revert shm_open workaround now it's fixed in mksandbox
   2020-12-06 12:35:32 by Nia Alarie | Files touched by this commit (5)
Log message:
python*: Disable runtime configure test on sem_getvalue behaviour

Like the other test, because /dev/shm isn't available in the build
environment doesn't mean it won't be available on the destination
machine for the packages.
   2020-12-06 12:11:32 by Nia Alarie | Files touched by this commit (5)
Log message:
python*: Avoid configure test for POSIX semaphores on Linux.

This attempts to build and run a program that uses POSIX semaphores.

This fails in a pbulk sandbox that doesn't contain /dev/shm, resulting
in a broken package where the idea that the platform doesn't support
POSIX semaphores is baked in forever. In newer Python versions,
this means Python doesn't even build properly.

XXX: We might want to avoid it on other platforms too...
   2020-11-19 17:29:43 by Benny Siegert | Files touched by this commit (7)
Log message:
python3{7,8,9}: build fix when include files have invalid UTF-8

I happen to have include/gts.h installed, which includes an accented
ISO-8859-1 character in its copyright message. This trips up the configuration
of Python in pkgsrc.

Ignore files with invalid unicode characters.

Also regenerate one other patch. No revision bump since the result is the same.
   2020-11-18 11:51:01 by Sijmen J. Mulder | Files touched by this commit (2)
Log message:
lang/python38: Fix on CentOS 7

Move __has_attribute() inside #if defined(__has_attribute) body so the
preprocessor doesn't break on that.
   2020-11-17 20:33:15 by Sijmen J. Mulder | Files touched by this commit (25)
Log message:
lang/python38: Fix for macOS 11 and Apple Silicon

(Apple Silicon being their aarch64 platform.)

This is backport of the same in lang/python39. Only minor changes were
needed.

Patches consist of:
 - Upstream work: https://github.com/python/cpython/pull/22855
 - Fix for setup.py to find libbz2.tbd and libz.tbd now that with the
   shared library cache there's nothing in /usr/lib.
   See: https://bugs.python.org/issue41116
 - Addition of __arch64__ case to fix _decimal module. A very similar fix
   has since been committed upstream.
   2020-09-28 21:31:55 by Adam Ciarcinski | Files touched by this commit (6) | Package updated
Log message:
python38: updated to 3.8.6

Python 3.8.6 final

Core and Builtins
bpo-41525: The output of python --help contains now only ASCII characters.

Library
bpo-41817: fix tkinter.EventType Enum so all members are strings, and none are tuples
bpo-41815: Fix SQLite3 segfault when backing up closed database. Patch \ 
contributed by Peter David McCormick.
bpo-41517: fix bug allowing Enums to be extended via multiple inheritance
bpo-39587: use the correct mix-in data type when constructing Enums
bpo-41789: Honor object overrides in Enum class creation (specifically, __str__, \ 
__repr__, __format__, and __reduce_ex__).
bpo-39651: Fix a race condition in the call_soon_threadsafe() method of \ 
asyncio.ProactorEventLoop: do nothing if the self-pipe socket has been closed.
bpo-41720: Fixed turtle.Vec2D.__rmul__() for arguments which are not int or float.
bpo-39728: fix default _missing_ so a duplicate ValueError is not set as the \ 
__context__ of the original ValueError
bpo-37479: When Enum.__str__ is overridden in a derived class, the override will \ 
be used by Enum.__format__ regardless of whether mixin classes are present.

Documentation
bpo-35293: Fix RemovedInSphinx40Warning when building the documentation. Patch \ 
by Dong-hee Na.
bpo-37149: Change Shipman tkinter doc link from archive.org to TkDocs. (The doc \ 
has been removed from the NMT server.) The new link responds much faster and \ 
includes a short explanatory note.

Tests
bpo-41731: Make test_cmd_line_script pass with option ‘-vv’.

Windows
bpo-41744: Fixes automatic import of props file when using the Nuget package.

IDLE
bpo-35764: Rewrite the Calltips doc section.
bpo-40181: In calltips, stop reminding that ‘/’ marks the end of \ 
positional-only arguments.

Python 3.8.6 release candidate 1

Core and Builtins
bpo-41654: Fix a crash that occurred when destroying subclasses of MemoryError. \ 
Patch by Pablo Galindo.
bpo-41533: Free the stack allocated in va_build_stack if do_mkstack fails and \ 
the stack is not a small_stack.
bpo-38156: Handle interrupts that come after EOF correctly in PyOS_StdioReadline.

Library
bpo-41696: Fix handling of debug mode in asyncio.run(). This allows setting \ 
PYTHONASYNCIODEBUG or -X dev to enable asyncio debug mode when using \ 
asyncio.run().
bpo-39010: Restarting a ProactorEventLoop on Windows no longer logs spurious \ 
ConnectionResetErrors.
bpo-41609: The pdb whatis command correctly reports instance methods as \ 
‘Method’ rather than ‘Function’.
bpo-32751: When cancelling the task due to a timeout, asyncio.wait_for() will \ 
now wait until the cancellation is complete also in the case when timeout is \ 
<= 0, like it does with positive timeouts.
bpo-37658: asyncio.wait_for() now properly handles races between cancellation of \ 
itself and the completion of the wrapped awaitable.
bpo-40782: Change the method asyncio.AbstractEventLoop.run_in_executor to not be \ 
a coroutine.
bpo-41520: Fix codeop regression that prevented turning compile warnings into errors.
bpo-41503: Fixed a race between setTarget and flush in \ 
logging.handlers.MemoryHandler.
bpo-41497: Fix potential UnicodeDecodeError in dis module.
bpo-41490: Update ensurepip to install pip 20.2.1 and setuptools 49.2.1.
bpo-41467: On Windows, fix asyncio recv_into() return value when the socket/pipe \ 
is closed (BrokenPipeError): return 0 rather than an empty byte string (b'').
bpo-41425: Make tkinter doc example runnable.
bpo-41384: Raise TclError instead of TypeError when an unknown option is passed \ 
to tkinter.OptionMenu.
bpo-38731: Fix NameError in command-line interface of py_compile.
bpo-41364: Reduce import overhead of uuid.
bpo-41344: Prevent creating shared_memory.SharedMemory objects with size=0.
bpo-40726: Handle cases where the end_lineno is None on ast.increment_lineno().
bpo-31122: ssl.wrap_socket() now raises ssl.SSLEOFError rather than OSError when \ 
peer closes connection during TLS negotiation
bpo-33660: Fix pathlib.PosixPath to resolve a relative path located on the root \ 
directory properly.

Documentation
bpo-41624: Fix the signature of typing.Coroutine.
bpo-40204: Enable Sphinx 3.2 c_allow_pre_v3 option and disable \ 
c_warn_on_allowed_pre_v3 option to make the documentation compatible with Sphinx \ 
2 and Sphinx 3.
bpo-41045: Add documentation for debug feature of f-strings.
bpo-41314: Changed the release when from __future__ import annotations becomes \ 
the default from 4.0 to 3.10 (following a change in PEP 563).
bpo-39883: Make code, examples, and recipes in the Python documentation be \ 
licensed under the more permissive BSD0 license in addition to the existing \ 
Python 2.0 license.

Windows
bpo-41492: Fixes the description that appears in UAC prompts.
bpo-40741: Update Windows release to include SQLite 3.32.3.

IDLE
bpo-41468: Improve IDLE run crash error message (which users should never see).
bpo-41373: Save files loaded with no line ending, as when blank, or different \ 
line endings, by setting its line ending to the system default. Fix regression \ 
in 3.8.4 and 3.9.0b4.

C API
bpo-41524: Fix bug in PyOS_mystrnicmp and PyOS_mystricmp that incremented \ 
pointers beyond the end of a string.

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