Mailman 3 April 2021 - Python-Dev

Making staticmethod callable, any oposite?
by Inada Naoki April 14, 2021

April 14, 2021

Hi, all. I am implementing PEP 597. During review, Victor suggested to deprecate `OpenWrapper`. `OpenWrapper` is defined only for compatibility between C function and Python function: ``` from _pyio import open as py_open from _io import open as c_open class C: py_open = py_open c_open = c_open C().c_open("README.rst") # works C().py_open("README.rst") # TypeError: expected str, bytes or os.PathLike object, not C ``` So builtin open is not io.open, but io.OpenWrapper in Python 3.9. Making staticfunction callable fixes this issue. ``` @staticfunction def open(...): ... ``` Now open defined in Python behaves like C function. We don't need OpenWrapper anymore. This has already been committed by Guido's approval. staticmethod is callable, and OpenWrapper is just an alias of open and deprecated in master branch. But Mark Shannon said we shouldn't make such a change without discussing at python-dev. I don't know we *should*, but I agree that it is *ideal*. Then, does anyone oppose this change? Histrically, this idea had been rejected once. bpo-20309 proposed making classmethod and staticmethod callable. https://bugs.python.org/issue20309 It had been rejected by: "I don't agree that this is a bug that should be fixed. It adds code that will likely never get called or needed (i.e. there has never been a request for this in the decade long history of desciptors and it seems like a made up requirement to me. " https://bugs.python.org/issue20309#msg240843 "actually supporting this would mean adding code that would need to be maintained indefinitely without providing a compensating practical benefit," https://bugs.python.org/issue20309#msg240898 But status is changed now. We already have OpenWrapper. It proves callable classmethod is "called and needed". Although there is only one use case, we can remove more code than adding. staticmethod.__call__() is simple C function. https://github.com/python/cpython/pull/25117/files#diff-57bc77178b3d6f1010d… Victor removed OpenWrapper class already, and we can remove `DocDescripter` too. https://github.com/python/cpython/pull/25354/files#diff-bcdfa9cbb0764d7959c… I think maintenance burden of staticmethod.__call__() is not higher than OpenWrapper and DocDescripter. Additionally, if we have same issue in other module, we can just use staticmethod, instead of copy&paste OpenWrapper and DocDescripter. So it provides "compensating practical benefit". Regards, -- Inada Naoki <songofacandy(a)gmail.com>

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0xfor 3. Parser bug?
by Stefano Borini April 14, 2021

April 14, 2021

This was just posted on SO https://stackoverflow.com/questions/67083039/why-does-python-return-15-for-… I can reproduce it with a simpler example >>> 0xfor 3 15 Is it a bug in the parser, or working as intended? It's not only for hex. This works to >>> 3or 50 3 -- Kind regards, Stefano Borini

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Re: Typing syntax and ecosystem, take 2
by Hugh Fisher April 13, 2021

April 13, 2021

> From: Ned Batchelder <ned(a)nedbatchelder.com> [ munch ] > This is very similar to statically typed languages. They also have two > steps: > > * There is the first step that checks the types but does not run the > program. In C/C++, this is the compiler, in Python it is "mypy". > * There is the second step that runs the program but does not check > the types. In C/C++, this is running the executable, in Python it is > "python". > > In Python, we can skip the first step, and perhaps that is the source of > your concern. I doubt anyone that has adopted type hinting in Python > will forget to run mypy, especially in a CI environment like you consider. In the current Python implementation, we can't skip the first step. Type hints have a significant performance impact on the Python interpreter, hence PEP 649. If we used the TypeScript approach, the typing hints would be removed before execution by the Python interpreter. As for "forget to run mypy", no-one sets out to do the wrong thing. The difference here is that with TypeScript -> JavaScript, if you forget to run the translation step, the program won't run because TypeScript is not valid JavaScript. Same was true for the old CFront C++ -> C translator. Errors are automatically detected. If you forget to run mypy, you've got a program which *looks* correct but might not be. -- cheers, Hugh Fisher

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Re: Typing syntax and ecosystem
by jossuazugasti April 12, 2021

April 12, 2021

>> Aren't people allowed to have their own opinions? Absolutely >>>>> If criticism of any current implementation of any construct becomes off-limits is automatically classed as "denigrating" Without judging the particular instance or the discussion itself, here is the definition of the world "ridiculous": Ridiculous: adjective. Deserving or inviting derision or mockery; absurd. I am quite sure that there a better ways to make a technical argument without describing the target of your objections as "deserving derision or mockery". You could say "I think the current state of X is quite painful" or "I think this is not acceptable" or "I think this is a really bad idea" or "I think that this is going to make a lot of things really bad" or "I really don't like this" or "I deeply think that this was one of the worst decisions". None of those statements are denigrating. Calling something "ridiculous", is, by design, denigrating. Not the worst way to denigrate but a way to denigrate, nevertheless. Rgds, Jossua

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Steering Council Q&A.
by Thomas Wouters April 12, 2021

April 12, 2021

As part of our PyCon US talk (which will be pre-recorded), the SC would like to have a Q&A session. Since it's pre-recorded, we figured we'd collect questions through Slido, which also lets people vote on the questions: https://app.sli.do/event/qdtzzpmd. The Slido will be open for questions and voting for a week, after which we'll do our best to answer them all. If you're unhappy using Slido I'd also be happy to take questions directly, but we would like to gauge the popularity of the questions to help us prioritise them. In any event, if there are questions we don't get to we'll try to answer them some other way, like a blog post. -- Thomas Wouters <thomas(a)python.org> Hi! I'm an email virus! Think twice before sending your email to help me spread!

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Re: Typing syntax and ecosystem
by Hugh Fisher April 12, 2021

April 12, 2021

> Message: 4 > Date: Mon, 12 Apr 2021 13:59:50 -0700 > From: Brett Cannon <brett(a)python.org> > > Please don't denigrate the hard work people have put in to even bring > forward the idea of typing in Python by saying it's "slightly ridiculous". In the interest of moving the discussion forward about separate syntax or type checking integration, I apologize to anyone who feels personally insulted by my response. That was not my intention. -- cheers, Hugh Fisher

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Immutable view classes - inherit from dict or from Mapping?
by Andreas R Maier April 12, 2021

April 12, 2021

Hi, I have written some classes that represent immutable views on collections (see "immutable-views" package on Pypi). Currently, these view classes inherit from the abstract collection classes such as Mapping, Sequence, Set. However, they implement the read-only methods of dict, list and set, which provides some more methods compared to the abstract collection classes. For example, class "dict" provides copy() or __reversed__() and the newer OR-operator methods all of which are not defined on the abstract class "Mapping". Note that the view classes do not provide any of the modifying methods of "dict" and "list", because after all the views are supposed to be immutable. My question is, should the dict view class inherit from Mapping or from dict, and likewise, should the list view class inherit from Sequence or from list?

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Please review the new Python Build System documentation
by Victor Stinner April 12, 2021

April 12, 2021

Hi, Please review this documentation: https://docs.python.org/dev/using/configure.html If you have comment, you can directly write a PR (please notify me by mentioning @vstinner in a comment). Or if you prefer, you can reply directly by email and I will try to address your remarks. -- Over the last years, the configure script got more and more options. I was always disappointed by the lack of documentation. It is also really hard to understand how Python pass compiler and linker files when building C code. So I wrote a documentation about configure, preprocessor, compiler and linker flags, and a very brief description of the Python Build System. I chose to not document *all* configure/compiler options. I skipped generic configure options like --prefix. I copied the documentation that I could find, but sadly many options are still not documented yet. For the first time, I wrote a description of in the infamous "Python Debug Build", especially ("all") effects of this build: https://docs.python.org/dev/using/configure.html#debug-build I also took the opportuniy to add links from configure --with-xxx options to this documentation, and also add links from "debug mode" or "debug build" terms to the Debug Build section. Note: the online documentation is only updated once per day. The job building the documentation of all Python versions in all supported languages takes a whole day! If you want to help, visit: https://github.com/python/docsbuild-scripts/ Victor -- Night gathers, and now my watch begins. It shall not end until my death.

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Re: Python Core Mentorship program
by Sheila Bishop April 10, 2021

April 10, 2021

Thanks

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Summary of Python tracker Issues
by Python tracker April 9, 2021

April 9, 2021

ACTIVITY SUMMARY (2021-04-02 - 2021-04-09) Python tracker at https://bugs.python.org/ To view or respond to any of the issues listed below, click on the issue. Do NOT respond to this message. Issues counts and deltas: open 7524 (+19) closed 48008 (+70) total 55532 (+89) Open issues with patches: 2999 Issues opened (60) ================== #24160: Pdb sometimes raises exception when trying to remove a breakpo https://bugs.python.org/issue24160 reopened by pablogsal #39899: `pathlib.Path.expanduser()` does not call `os.path.expanduser( https://bugs.python.org/issue39899 reopened by steve.dower #43708: Tkinter theme settings object schema is missing https://bugs.python.org/issue43708 opened by WHK102 #43712: PEP 597: fileinput uses locale encoding https://bugs.python.org/issue43712 opened by methane #43714: re.split(), re.sub(): '\Z' must consume end of string if it ma https://bugs.python.org/issue43714 opened by alegrigoriev #43715: curses inch() and scrbkgd() documentation ommissions https://bugs.python.org/issue43715 opened by pjfarleyiii #43717: Confusing OSError on HTTP CONNECT failure https://bugs.python.org/issue43717 opened by michael-o #43718: HTTP CONNECT response not subject to debug level https://bugs.python.org/issue43718 opened by michael-o #43721: Documentation of property.{getter,setter,deleter} fails to men https://bugs.python.org/issue43721 opened by Antony.Lee #43722: PEP 597: FileCookieJar uses locale encoding https://bugs.python.org/issue43722 opened by methane #43723: Deprecate camelCase aliases from threading.py https://bugs.python.org/issue43723 opened by Jelle Zijlstra #43725: Create a release branch ABI stability regression test https://bugs.python.org/issue43725 opened by gregory.p.smith #43727: futures cancelled by ThreadPoolExecutor.shutdown() not yielded https://bugs.python.org/issue43727 opened by bigbenhur #43731: PEP 597: logging.fileConfig() uses locale encoding. https://bugs.python.org/issue43731 opened by methane #43732: PEP 597: mailcap uses locale encoding https://bugs.python.org/issue43732 opened by methane #43733: PEP 597: netrc uses locale encoding. https://bugs.python.org/issue43733 opened by methane #43735: PEP 597: os.popen() and pipes uses locale encoding https://bugs.python.org/issue43735 opened by methane #43737: Documentation of modulo operator should document behaviour cle https://bugs.python.org/issue43737 opened by anthony-flury #43738: Clarify public name of curses.window https://bugs.python.org/issue43738 opened by rmccampbell7 #43739: Fixing the example code in Doc/extending/extending.rst to decl https://bugs.python.org/issue43739 opened by shreyanavigyan #43740: Long paths in imp.load_dynamic() lead to segfault https://bugs.python.org/issue43740 opened by xxm #43741: http.client leaks from self.fp.read() https://bugs.python.org/issue43741 opened by HynekPetrak #43742: tcp_echo_client in asyncio streams example does not work. Hang https://bugs.python.org/issue43742 opened by jcolo #43743: BlockingIOError: [Errno 11] Resource temporarily unavailable: https://bugs.python.org/issue43743 opened by p.conesa.mingo #43744: enum: Adding a member named _classname__ raises IndexError https://bugs.python.org/issue43744 opened by smurfix #43749: venv module does not copy the correct python exe https://bugs.python.org/issue43749 opened by Ian Norton #43750: Undefined constant PACKET_MULTIHOST referred to in package soc https://bugs.python.org/issue43750 opened by Tom Cook #43751: await anext() returns None when default is given https://bugs.python.org/issue43751 opened by pewscorner #43752: [sqlite3] Fetching an empty value from date column raises Valu https://bugs.python.org/issue43752 opened by felixxm #43753: [C API] Add Py_Is(x, y) and Py_IsNone(x) functions https://bugs.python.org/issue43753 opened by vstinner #43754: Eliminate bindings for partial pattern matches https://bugs.python.org/issue43754 opened by brandtbucher #43756: About updating audit events when function gains new arguments https://bugs.python.org/issue43756 opened by gousaiyang #43757: pathlib: move 'resolve()' logic out of path flavour https://bugs.python.org/issue43757 opened by barneygale #43758: dict.config TimedRotatingFileHandler filename .suffix does not https://bugs.python.org/issue43758 opened by tea940314 #43760: The DISPATCH() macro is not as efficient as it could be. https://bugs.python.org/issue43760 opened by Mark.Shannon #43761: Documenting dataclass and namedtuple changes for structural pa https://bugs.python.org/issue43761 opened by freundTech #43762: Add audit events for loading of sqlite3 extensions https://bugs.python.org/issue43762 opened by erlendaasland #43763: [sqlite3] Use SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION iso. sqlit https://bugs.python.org/issue43763 opened by erlendaasland #43766: Implement PEP 647 (User-Defined Type Guards) in typing.py https://bugs.python.org/issue43766 opened by kj #43768: Possible race condition on multiprocessing.Manager().dict() on https://bugs.python.org/issue43768 opened by jerryc05 #43770: Rework C types initialization https://bugs.python.org/issue43770 opened by vstinner #43772: Minor repr error in typing.TypeVar.__ror__() https://bugs.python.org/issue43772 opened by larry #43774: [Doc] Document configure options in the Python documentation https://bugs.python.org/issue43774 opened by vstinner #43776: Popen with shell=True yield mangled repr output https://bugs.python.org/issue43776 opened by mkocher #43777: Remove description of "pip search" command from tutorial https://bugs.python.org/issue43777 opened by bkline #43780: Sync importlib_metadata enhancements through 3.10. https://bugs.python.org/issue43780 opened by jaraco #43781: SIGSEGV when replacing _multiprocessing.SemLock at runtime https://bugs.python.org/issue43781 opened by sternj #43782: Failure to build from source on ppc64le on ubuntu xenial https://bugs.python.org/issue43782 opened by Anthony Sottile #43783: Make ParamSpec.args/kwargs more useful objects https://bugs.python.org/issue43783 opened by Jelle Zijlstra #43784: starting a thread in __del__ hangs at interpreter shutdown https://bugs.python.org/issue43784 opened by sylikc #43785: Remove RLock from BZ2File https://bugs.python.org/issue43785 opened by methane #43787: Optimize BZ2File, GzipFile, and LZMAFile __iter__ method. https://bugs.python.org/issue43787 opened by methane #43789: OpenSSL 3.0.0: password callback called multiple times https://bugs.python.org/issue43789 opened by christian.heimes #43790: CLA check fails with a 500 error https://bugs.python.org/issue43790 opened by bkline #43791: OpenSSL 3.0.0: TLS 1.0 / 1.1 connections fail with TLSV1_ALERT https://bugs.python.org/issue43791 opened by christian.heimes #43792: Cython is not compatible with Python 3.10 yet: "SystemError: b https://bugs.python.org/issue43792 opened by AMDmi3 #43793: [C API] Py_NewInterpreter() cannot be called from a thread whi https://bugs.python.org/issue43793 opened by vstinner #43794: OpenSSL 3.0.0: Handle UNEXPECTED_EOF_WHILE_READING / wrap SSL_ https://bugs.python.org/issue43794 opened by christian.heimes #43795: Implement PEP 652 -- Maintaining the Stable ABI https://bugs.python.org/issue43795 opened by petr.viktorin #43796: "install" package on PyPI https://bugs.python.org/issue43796 opened by flamableconcrete Most recent 15 issues with no replies (15) ========================================== #43795: Implement PEP 652 -- Maintaining the Stable ABI https://bugs.python.org/issue43795 #43793: [C API] Py_NewInterpreter() cannot be called from a thread whi https://bugs.python.org/issue43793 #43787: Optimize BZ2File, GzipFile, and LZMAFile __iter__ method. https://bugs.python.org/issue43787 #43783: Make ParamSpec.args/kwargs more useful objects https://bugs.python.org/issue43783 #43780: Sync importlib_metadata enhancements through 3.10. https://bugs.python.org/issue43780 #43768: Possible race condition on multiprocessing.Manager().dict() on https://bugs.python.org/issue43768 #43762: Add audit events for loading of sqlite3 extensions https://bugs.python.org/issue43762 #43758: dict.config TimedRotatingFileHandler filename .suffix does not https://bugs.python.org/issue43758 #43757: pathlib: move 'resolve()' logic out of path flavour https://bugs.python.org/issue43757 #43750: Undefined constant PACKET_MULTIHOST referred to in package soc https://bugs.python.org/issue43750 #43744: enum: Adding a member named _classname__ raises IndexError https://bugs.python.org/issue43744 #43743: BlockingIOError: [Errno 11] Resource temporarily unavailable: https://bugs.python.org/issue43743 #43742: tcp_echo_client in asyncio streams example does not work. Hang https://bugs.python.org/issue43742 #43740: Long paths in imp.load_dynamic() lead to segfault https://bugs.python.org/issue43740 #43735: PEP 597: os.popen() and pipes uses locale encoding https://bugs.python.org/issue43735 Most recent 15 issues waiting for review (15) ============================================= #43795: Implement PEP 652 -- Maintaining the Stable ABI https://bugs.python.org/issue43795 #43794: OpenSSL 3.0.0: Handle UNEXPECTED_EOF_WHILE_READING / wrap SSL_ https://bugs.python.org/issue43794 #43791: OpenSSL 3.0.0: TLS 1.0 / 1.1 connections fail with TLSV1_ALERT https://bugs.python.org/issue43791 #43789: OpenSSL 3.0.0: password callback called multiple times https://bugs.python.org/issue43789 #43785: Remove RLock from BZ2File https://bugs.python.org/issue43785 #43783: Make ParamSpec.args/kwargs more useful objects https://bugs.python.org/issue43783 #43780: Sync importlib_metadata enhancements through 3.10. https://bugs.python.org/issue43780 #43777: Remove description of "pip search" command from tutorial https://bugs.python.org/issue43777 #43774: [Doc] Document configure options in the Python documentation https://bugs.python.org/issue43774 #43770: Rework C types initialization https://bugs.python.org/issue43770 #43766: Implement PEP 647 (User-Defined Type Guards) in typing.py https://bugs.python.org/issue43766 #43763: [sqlite3] Use SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION iso. sqlit https://bugs.python.org/issue43763 #43762: Add audit events for loading of sqlite3 extensions https://bugs.python.org/issue43762 #43760: The DISPATCH() macro is not as efficient as it could be. https://bugs.python.org/issue43760 #43757: pathlib: move 'resolve()' logic out of path flavour https://bugs.python.org/issue43757 Top 10 most discussed issues (10) ================================= #43725: Create a release branch ABI stability regression test https://bugs.python.org/issue43725 18 msgs #43753: [C API] Add Py_Is(x, y) and Py_IsNone(x) functions https://bugs.python.org/issue43753 14 msgs #43774: [Doc] Document configure options in the Python documentation https://bugs.python.org/issue43774 10 msgs #39899: `pathlib.Path.expanduser()` does not call `os.path.expanduser( https://bugs.python.org/issue39899 9 msgs #43651: PEP 597: Fix EncodingWarning warnings in the Python stdlib https://bugs.python.org/issue43651 9 msgs #43684: Add combined opcodes https://bugs.python.org/issue43684 9 msgs #41111: [C API] Convert a few stdlib extensions to the limited C API ( https://bugs.python.org/issue41111 6 msgs #43075: ReDoS in urllib.request https://bugs.python.org/issue43075 6 msgs #43689: difflib: mention other "problematic" characters in documentati https://bugs.python.org/issue43689 6 msgs #15443: datetime module has no support for nanoseconds https://bugs.python.org/issue15443 5 msgs Issues closed (65) ================== #17306: Improve the way abstract base classes are shown in help() https://bugs.python.org/issue17306 closed by rhettinger #19080: Enrich SyntaxError with additional information https://bugs.python.org/issue19080 closed by terry.reedy #20503: super behaviour and abstract base classes (either implementati https://bugs.python.org/issue20503 closed by rhettinger #22538: turtledemo two_canvases reversion https://bugs.python.org/issue22538 closed by terry.reedy #23470: OpenBSD buildbot uses wrong stdlib https://bugs.python.org/issue23470 closed by ned.deily #27129: Wordcode, part 2 https://bugs.python.org/issue27129 closed by pablogsal #31956: Add start and stop parameters to the array.index() https://bugs.python.org/issue31956 closed by corona10 #36470: dataclasses.replace raises an exception if InitVar with defaul https://bugs.python.org/issue36470 closed by eric.smith #36865: FileInput does not allow 'rt' mode, but all its existing deleg https://bugs.python.org/issue36865 closed by methane #37712: Exception frames from unittest.TestCase.fail dependent on nest https://bugs.python.org/issue37712 closed by iritkatriel #39537: Change line number table format https://bugs.python.org/issue39537 closed by Mark.Shannon #39659: pathlib calls `os.getcwd()` without using accessor https://bugs.python.org/issue39659 closed by steve.dower #39895: `pathlib.Path.touch()` calls `os.close()` without using access https://bugs.python.org/issue39895 closed by steve.dower #39906: pathlib.Path: add `follow_symlinks` argument to `stat()` and ` https://bugs.python.org/issue39906 closed by steve.dower #40038: pathlib: remove partial support for preserving accessor when m https://bugs.python.org/issue40038 closed by steve.dower #40066: Enum: modify __repr__, __str__; update docs https://bugs.python.org/issue40066 closed by ethan.furman #42135: [importlib] Deprecate find_module() & find_loader() mplementat https://bugs.python.org/issue42135 closed by brett.cannon #42247: unittest hides traceback frames in chained exceptions https://bugs.python.org/issue42247 closed by iritkatriel #42380: Build windows binaries with MS VS2019 16.8+ / MSVC 19.28+ https://bugs.python.org/issue42380 closed by steve.dower #42899: Is it legal to eliminate tests of a value, when that test has https://bugs.python.org/issue42899 closed by Mark.Shannon #42999: `pathlib.Path.link_to()` documentation is misleading https://bugs.python.org/issue42999 closed by steve.dower #43084: curses.window.enclose() should return bool https://bugs.python.org/issue43084 closed by serhiy.storchaka #43087: ctypes documentation error https://bugs.python.org/issue43087 closed by terry.reedy #43164: test_nntplib.NetworkedNNTP_SSLTests fails on "AMD64 RHEL8 FIPS https://bugs.python.org/issue43164 closed by cstratak #43176: Dataclasses derived from empty frozen bases skip immutability https://bugs.python.org/issue43176 closed by eric.smith #43325: Documentation should warn that 'is' is not a safe comparison o https://bugs.python.org/issue43325 closed by rhettinger #43567: regen.vcxproj cannot regenerate some necessary files https://bugs.python.org/issue43567 closed by steve.dower #43661: api-ms-win-core-path-l1-1.0.dll, redux of 40740 (which has sin https://bugs.python.org/issue43661 closed by eric.smith #43671: segfault when using pygame for ~5 minutes https://bugs.python.org/issue43671 closed by terry.reedy #43672: Raise ImportWarning when calling find_loader() https://bugs.python.org/issue43672 closed by brett.cannon #43679: ttk.Sizegrip disappears under Windows 10 UI Scaling, with dpiA https://bugs.python.org/issue43679 closed by terry.reedy #43701: Add this optionality https://bugs.python.org/issue43701 closed by ned.deily #43705: [docs] Document that SyntaxError's offsets are 1-indexed https://bugs.python.org/issue43705 closed by ammar2 #43707: onerror in tempfile has an invalid raise expression https://bugs.python.org/issue43707 closed by max-sixty #43709: Windows Tools\buildbot\clean.bat misses some needed pyc/pyo re https://bugs.python.org/issue43709 closed by db3l #43710: Access violations in C extension modules on Python 3.9.3 https://bugs.python.org/issue43710 closed by lukasz.langa #43711: cgi.log() uses locale encoding https://bugs.python.org/issue43711 closed by serhiy.storchaka #43713: sorted() signature is not accurate in the documentation https://bugs.python.org/issue43713 closed by rhettinger #43716: curses.pair_number() function incorrect value under Windows https://bugs.python.org/issue43716 closed by serhiy.storchaka #43719: Master build failure on Windows getting file system encoding https://bugs.python.org/issue43719 closed by pablogsal #43720: Document various preexisting stdlib deprecations related to im https://bugs.python.org/issue43720 closed by brett.cannon #43724: macOS cannot compute sizeof (long double) https://bugs.python.org/issue43724 closed by ned.deily #43726: regex module fails with a quantified backref but succeeds with https://bugs.python.org/issue43726 closed by Davidebyzero #43728: Change the exception message raised when _curses is not found. https://bugs.python.org/issue43728 closed by shreyanavigyan #43729: Tutorial Documentation for 3.1.1. Numbers missing "result" https://bugs.python.org/issue43729 closed by thomaspcavalli #43730: Tutorial Documentation for 4.7.3.2. Positional-Only Parameters https://bugs.python.org/issue43730 closed by serhiy.storchaka #43734: PEP 597: pdb uses locale encoding for pdbrc file https://bugs.python.org/issue43734 closed by serhiy.storchaka #43736: asyncio create_task() odd behavior https://bugs.python.org/issue43736 closed by zach.ware #43745: ssl.OPENSSL_VERSION still reporting 1.1.1i on windows 3.8.9/3. https://bugs.python.org/issue43745 closed by steve.dower #43746: Weird typing annotation closure behavior https://bugs.python.org/issue43746 closed by gvanrossum #43747: Can't create new interpreter in multi thread https://bugs.python.org/issue43747 closed by eric.smith #43748: Inconsistent grammar in new error message (introduced in 3.10. https://bugs.python.org/issue43748 closed by gvanrossum #43755: lambda expression no longer valid at comp_if in Python 3.9 https://bugs.python.org/issue43755 closed by pablogsal #43759: StreamHandler does not print to sys.stderr immediately https://bugs.python.org/issue43759 closed by MunchDev #43764: Turning off generation of __match_args__ for dataclasses https://bugs.python.org/issue43764 closed by gvanrossum #43765: Add support for the RFC5705 SSL_export_keying_material functio https://bugs.python.org/issue43765 closed by wingel71 #43767: Compiler arning about 'Yield' macro redefinition on Windows https://bugs.python.org/issue43767 closed by gvanrossum #43769: ipaddress module takes bytes input as valid ip address https://bugs.python.org/issue43769 closed by eric.smith #43771: [Windows] stdin line buffer size https://bugs.python.org/issue43771 closed by eryksun #43773: macOS official installer builds not respecting DYLD_LIBRARY_PA https://bugs.python.org/issue43773 closed by ned.deily #43775: JSON Parsing Alarm: Requests + Json = JSONDecodeError https://bugs.python.org/issue43775 closed by marikasakowa #43778: [Doc] Doc/tools/extensions/glossary_search.py fails with FileN https://bugs.python.org/issue43778 closed by vstinner #43779: Fix possible parser/AST ref leaks https://bugs.python.org/issue43779 closed by pablogsal #43786: slice(None) is slice(None) is False https://bugs.python.org/issue43786 closed by steven.daprano #43788: OpenSSL 3.0.0: Make ssl_data.h version specific https://bugs.python.org/issue43788 closed by christian.heimes

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