Mailman 3 April 2020 - Python-Dev

Collecting questions for a Steering Council Q&A
by Victor Stinner 28 Apr '20

28 Apr '20

Copy of Brett Cannon's message: https://discuss.python.org/t/collecting-questions-for-a-steering-council-q-… --- As part of PyCon US 2020 (*), we are planning to record a Q&A with the Steering Council. We are using this topic to solicit questions from the community. We plan to leave this open for about a week. Thanks for all of those who leave a question (which adhere to the PSF Code of Conduct )! P.S. Do make sure to check out the various talks that have been posted for the conference so far! And thanks in advance to Ewa, Emily, and the whole PyCon US 2020 staff for making this Q&A possible. (*) https://www.youtube.com/channel/UCMjMBMGt0WJQLeluw6qNJuA --- Please ask your question at: https://discuss.python.org/t/collecting-questions-for-a-steering-council-q-… Victor -- Night gathers, and now my watch begins. It shall not end until my death.

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Summary of Python tracker Issues
by Python tracker 25 Apr '20

25 Apr '20

ACTIVITY SUMMARY (2020-04-17 - 2020-04-24) 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 7452 ( +9) closed 44675 (+57) total 52127 (+66) Open issues with patches: 2942 Issues opened (50) ================== #34037: asyncio: BaseEventLoop.close() shutdowns the executor without https://bugs.python.org/issue34037 reopened by vstinner #40286: Add randbytes() method to random.Random https://bugs.python.org/issue40286 reopened by rhettinger #40312: Weakref callbacks running before finalizers in GC collection https://bugs.python.org/issue40312 opened by a-feld #40314: python code order of magnitude faster than equivalent CPython https://bugs.python.org/issue40314 opened by deekay #40316: Add zero function to time, datetime, which acts as the use cas https://bugs.python.org/issue40316 opened by Or Toledano #40317: inspect.getsource() examines incorrect target https://bugs.python.org/issue40317 opened by Grzegorz Krasoń #40318: Migrate to SQLite3 trace v2 API https://bugs.python.org/issue40318 opened by erlendaasland #40320: Add ability to specify instance of contextvars context to Task https://bugs.python.org/issue40320 opened by Jeff.Laughlin #40321: urllib.request does not support HTTP response status code 308 https://bugs.python.org/issue40321 opened by Jochem Schulenklopper #40324: python 3.8.2 idle not opening https://bugs.python.org/issue40324 opened by krishandanushka536(a)gmail.com #40327: list(sys.modules.items()) can throw RuntimeError: dictionary c https://bugs.python.org/issue40327 opened by Markus Mohrhard #40328: Add tools for generating mappings_XX.h https://bugs.python.org/issue40328 opened by corona10 #40331: Increase test coverage for the statistics module https://bugs.python.org/issue40331 opened by tzabal #40333: Request for multi-phase initialization API to run code after i https://bugs.python.org/issue40333 opened by indygreg #40334: PEP 617: new PEG-based parser https://bugs.python.org/issue40334 opened by gvanrossum #40337: builtins.RuntimeError: Caught RuntimeError in pin memory threa https://bugs.python.org/issue40337 opened by shawn #40338: [Security] urllib and anti-slash (\) in the hostname https://bugs.python.org/issue40338 opened by vstinner #40339: Instead of skipping, IPV6 test(s) fail on a non-IPV6 machine https://bugs.python.org/issue40339 opened by UnitedMarsupials #40340: Programming FAQ about "How do I convert a string to a number?" https://bugs.python.org/issue40340 opened by Dominik V. #40341: Programming FAQ includes actively discouraged solutions; Shoul https://bugs.python.org/issue40341 opened by Dominik V. #40342: Programming FAQ about "How do I apply a method to a sequence o https://bugs.python.org/issue40342 opened by Dominik V. #40343: Programming FAQ about "How do I call a method defined in a bas https://bugs.python.org/issue40343 opened by Dominik V. #40344: Programming FAQ about "What is the most efficient way to conca https://bugs.python.org/issue40344 opened by Dominik V. #40345: Programming FAQ about "How do I iterate over a sequence in rev https://bugs.python.org/issue40345 opened by Dominik V. #40346: Add random.BaseRandom to ease implementation of subclasses https://bugs.python.org/issue40346 opened by vstinner #40347: Programming FAQ about "How do you remove duplicates from a lis https://bugs.python.org/issue40347 opened by Dominik V. #40348: Programming FAQ about "What is delegation?": Fix typos https://bugs.python.org/issue40348 opened by Dominik V. #40350: modulefinder chokes on numpy - dereferencing None in spec.load https://bugs.python.org/issue40350 opened by Greg Whiteley #40352: SocketHandler silently drops log messages on re-connect https://bugs.python.org/issue40352 opened by Oleg Nykolyn #40353: Add an optional "strict" check to zip https://bugs.python.org/issue40353 opened by brandtbucher #40355: The ast module fails to reject certain malformed nodes https://bugs.python.org/issue40355 opened by brandtbucher #40356: OverflowError: mktime argument out of range https://bugs.python.org/issue40356 opened by darkman66 #40357: asyncio: will shutdown_default_executor work in single step (s https://bugs.python.org/issue40357 opened by cmeyer #40358: pathlib's relative_to should behave like os.path.relpath https://bugs.python.org/issue40358 opened by d.ragusa #40359: email.parse part.get_filename() fails to unwrap long attachmen https://bugs.python.org/issue40359 opened by matt-davis #40360: Deprecate lib2to3 (and 2to3) for future removal https://bugs.python.org/issue40360 opened by gregory.p.smith #40361: Darwin systems using win settings for webbrowser.py https://bugs.python.org/issue40361 opened by Viraat Das #40362: AbstractBasicAuthHandler does not support the following scheme https://bugs.python.org/issue40362 opened by Paul Stoner #40363: shlex.quote applied to a glob pattern disables glob matching https://bugs.python.org/issue40363 opened by geophile #40364: asyncio: replace _compute_returncode() with os.waitstatus_to_e https://bugs.python.org/issue40364 opened by vstinner #40365: argparse: action "extend" with 1 parameter splits strings into https://bugs.python.org/issue40365 opened by strjan #40366: Remove support for obsolete flags in compile function https://bugs.python.org/issue40366 opened by BTaskaya #40367: ImportError: libffi.so.6 https://bugs.python.org/issue40367 opened by YoSTEALTH #40368: os.path.realpath uppercases Windows drive letter on Python 3.8 https://bugs.python.org/issue40368 opened by saschanaz #40371: Deadlock in logging.config.dictConfig https://bugs.python.org/issue40371 opened by mrc #40372: doctest example programs should exit 1 if any test fails https://bugs.python.org/issue40372 opened by AndiDog #40373: urlunparse does not escape slash (/) for http+unix:// in netlo https://bugs.python.org/issue40373 opened by socketpair #40375: Add the UNSELECT command to imaplib https://bugs.python.org/issue40375 opened by eric.smith #40376: documentation for os.getgrouplist potentially misleading https://bugs.python.org/issue40376 opened by woodfighter #40377: APPDATA location in Microsoft Store version https://bugs.python.org/issue40377 opened by stephtr Most recent 15 issues with no replies (15) ========================================== #40377: APPDATA location in Microsoft Store version https://bugs.python.org/issue40377 #40376: documentation for os.getgrouplist potentially misleading https://bugs.python.org/issue40376 #40375: Add the UNSELECT command to imaplib https://bugs.python.org/issue40375 #40373: urlunparse does not escape slash (/) for http+unix:// in netlo https://bugs.python.org/issue40373 #40372: doctest example programs should exit 1 if any test fails https://bugs.python.org/issue40372 #40371: Deadlock in logging.config.dictConfig https://bugs.python.org/issue40371 #40367: ImportError: libffi.so.6 https://bugs.python.org/issue40367 #40357: asyncio: will shutdown_default_executor work in single step (s https://bugs.python.org/issue40357 #40350: modulefinder chokes on numpy - dereferencing None in spec.load https://bugs.python.org/issue40350 #40348: Programming FAQ about "What is delegation?": Fix typos https://bugs.python.org/issue40348 #40347: Programming FAQ about "How do you remove duplicates from a lis https://bugs.python.org/issue40347 #40345: Programming FAQ about "How do I iterate over a sequence in rev https://bugs.python.org/issue40345 #40343: Programming FAQ about "How do I call a method defined in a bas https://bugs.python.org/issue40343 #40331: Increase test coverage for the statistics module https://bugs.python.org/issue40331 #40328: Add tools for generating mappings_XX.h https://bugs.python.org/issue40328 Most recent 15 issues waiting for review (15) ============================================= #40376: documentation for os.getgrouplist potentially misleading https://bugs.python.org/issue40376 #40372: doctest example programs should exit 1 if any test fails https://bugs.python.org/issue40372 #40366: Remove support for obsolete flags in compile function https://bugs.python.org/issue40366 #40361: Darwin systems using win settings for webbrowser.py https://bugs.python.org/issue40361 #40360: Deprecate lib2to3 (and 2to3) for future removal https://bugs.python.org/issue40360 #40358: pathlib's relative_to should behave like os.path.relpath https://bugs.python.org/issue40358 #40346: Add random.BaseRandom to ease implementation of subclasses https://bugs.python.org/issue40346 #40340: Programming FAQ about "How do I convert a string to a number?" https://bugs.python.org/issue40340 #40334: PEP 617: new PEG-based parser https://bugs.python.org/issue40334 #40331: Increase test coverage for the statistics module https://bugs.python.org/issue40331 #40328: Add tools for generating mappings_XX.h https://bugs.python.org/issue40328 #40327: list(sys.modules.items()) can throw RuntimeError: dictionary c https://bugs.python.org/issue40327 #40321: urllib.request does not support HTTP response status code 308 https://bugs.python.org/issue40321 #40318: Migrate to SQLite3 trace v2 API https://bugs.python.org/issue40318 #40316: Add zero function to time, datetime, which acts as the use cas https://bugs.python.org/issue40316 Top 10 most discussed issues (10) ================================= #40334: PEP 617: new PEG-based parser https://bugs.python.org/issue40334 40 msgs #40346: Add random.BaseRandom to ease implementation of subclasses https://bugs.python.org/issue40346 26 msgs #40312: Weakref callbacks running before finalizers in GC collection https://bugs.python.org/issue40312 16 msgs #40275: test.support has way too many imports https://bugs.python.org/issue40275 12 msgs #40301: zipfile module: new feature (two lines of code), useful for te https://bugs.python.org/issue40301 11 msgs #40255: Fixing Copy on Writes from reference counting https://bugs.python.org/issue40255 9 msgs #40286: Add randbytes() method to random.Random https://bugs.python.org/issue40286 9 msgs #39562: Asynchronous comprehensions don't work in asyncio REPL https://bugs.python.org/issue39562 7 msgs #33065: IDLE debugger: failure stepping through module loading https://bugs.python.org/issue33065 6 msgs #40164: Upgrade Windows and macOS installer builds to OpenSSL 1.1.1g https://bugs.python.org/issue40164 6 msgs Issues closed (55) ================== #11654: errors in atexit hooks don't change process exit code https://bugs.python.org/issue11654 closed by glyph #17986: Alternative async subprocesses (pep 3145) https://bugs.python.org/issue17986 closed by vstinner #23117: Properly codesign Mac python 2.7.9.pkg so it can work thru OS https://bugs.python.org/issue23117 closed by ned.deily #23414: seek(count, whence) accepts bogus whence on windows, python2.7 https://bugs.python.org/issue23414 closed by ned.deily #26826: Expose new copy_file_range() syscall in os module. https://bugs.python.org/issue26826 closed by benjamin.peterson #36890: python-3.7.3-macosx10.6.pkg verification error on macOS 10.6 S https://bugs.python.org/issue36890 closed by ned.deily #37465: Incorrect documentation for `s#` arguments in C API argument p https://bugs.python.org/issue37465 closed by inada.naoki #37626: Documentation：conflict between docs https://bugs.python.org/issue37626 closed by inada.naoki #37790: subprocess.Popen() is extremely slow (with close_fds=True whic https://bugs.python.org/issue37790 closed by vstinner #37846: declare that Text I/O use buffer inside https://bugs.python.org/issue37846 closed by inada.naoki #38061: FreeBSD: Optimize subprocess.Popen(close_fds=True) using close https://bugs.python.org/issue38061 closed by vstinner #38329: macOS python.org installers only add or modify framework Versi https://bugs.python.org/issue38329 closed by ned.deily #38360: single-argument form of -isysroot should be supported https://bugs.python.org/issue38360 closed by ned.deily #38784: ip_network does not clear/update the broadcast_address cache w https://bugs.python.org/issue38784 closed by inada.naoki #38891: ShareableList read and write access is O(N), should be O(1) https://bugs.python.org/issue38891 closed by pitrou #39207: concurrent.futures.ProcessPoolExecutor does not properly reap https://bugs.python.org/issue39207 closed by pitrou #39285: PurePath.match indicates case-sensitive nature and presents a https://bugs.python.org/issue39285 closed by pitrou #39471: Meaning and clarification of PyBuffer_Release() https://bugs.python.org/issue39471 closed by seberg #39674: Keep deprecated features in Python 3.9 to ease migration from https://bugs.python.org/issue39674 closed by vstinner #39849: Compiler warninig: warning: variable ‘res’ set but not use https://bugs.python.org/issue39849 closed by corona10 #39932: test_multiprocessing_fork leaked [0, 2, 0] file descriptors on https://bugs.python.org/issue39932 closed by vstinner #39933: test_gdb fails on AMD64 FreeBSD Shared 3.x: ptrace: Operation https://bugs.python.org/issue39933 closed by vstinner #39939: PEP 616: Add str.removeprefix and str.removesuffix methods https://bugs.python.org/issue39939 closed by vstinner #39942: Making instance of `TypeVar` fails because of missing `__name_ https://bugs.python.org/issue39942 closed by levkivskyi #40028: Math module method to find prime factors for non-negative int https://bugs.python.org/issue40028 closed by trrhodes #40048: _PyEval_EvalFrameDefault() doesn't reset tstate->frame if _PyC https://bugs.python.org/issue40048 closed by vstinner #40089: Add _at_fork_reinit() method to locks https://bugs.python.org/issue40089 closed by vstinner #40094: Add os.waitstatus_to_exitcode() function https://bugs.python.org/issue40094 closed by vstinner #40138: Windows implementation of os.waitpid() truncates the exit stat https://bugs.python.org/issue40138 closed by vstinner #40148: Add PurePath.with_stem() https://bugs.python.org/issue40148 closed by pitrou #40179: Argument Clinic incorretly translates #elif https://bugs.python.org/issue40179 closed by serhiy.storchaka #40198: macOS Python builds from Python.org ignore DYLD_LIBRARY_PATH d https://bugs.python.org/issue40198 closed by ned.deily #40214: test_ctypes.test_load_dll_with_flags Windows failure https://bugs.python.org/issue40214 closed by steve.dower #40247: Logged out of user when running Tkinter https://bugs.python.org/issue40247 closed by ned.deily #40257: Improve the use of __doc__ in pydoc https://bugs.python.org/issue40257 closed by serhiy.storchaka #40308: Intermittent failure of test_os.TestScandir.test_attributes on https://bugs.python.org/issue40308 closed by Dennis Sweeney #40311: docs.python.org banner - release blocker for 2.7.18 https://bugs.python.org/issue40311 closed by benjamin.peterson #40313: bytes.hex(sep, bytes_per_sep) is many times slower than manual https://bugs.python.org/issue40313 closed by vstinner #40315: Incorrect stacksize in code object https://bugs.python.org/issue40315 closed by skip.montanaro #40319: dict.update() return the updated dict instead of None https://bugs.python.org/issue40319 closed by SilentGhost #40322: struct.pack adding unexpected byte in 'B' format https://bugs.python.org/issue40322 closed by Robert Bressan #40323: Printing of Single (') and Double (") code in one sentence usi https://bugs.python.org/issue40323 closed by SilentGhost #40325: Random.seed does not affect string hash randomization leading https://bugs.python.org/issue40325 closed by rhettinger #40326: A string contains an empty string? https://bugs.python.org/issue40326 closed by serhiy.storchaka #40329: Faulty dict arg gives ValueError but mostly TypeError https://bugs.python.org/issue40329 closed by serhiy.storchaka #40330: ShareableList size guard incorrect for str data https://bugs.python.org/issue40330 closed by pitrou #40332: RegEx for numbers in documentation (easy fix - solution provid https://bugs.python.org/issue40332 closed by serhiy.storchaka #40335: Regression in multiline SyntaxError offsets https://bugs.python.org/issue40335 closed by pablogsal #40336: Refactor typing._SpecialForm https://bugs.python.org/issue40336 closed by serhiy.storchaka #40349: Python3.9 changes col_offset for some ast nodes https://bugs.python.org/issue40349 closed by serhiy.storchaka #40351: How to edit "python --help"? https://bugs.python.org/issue40351 closed by eric.smith #40354: problem when using yield https://bugs.python.org/issue40354 closed by xsmyqf #40369: Use PEP 590 vectorcall to speed up GenericAlias. https://bugs.python.org/issue40369 closed by corona10 #40370: AIX: ld_so_aix not found during test of test_peg_generator https://bugs.python.org/issue40370 closed by pablogsal #40374: collections.abc docs table: Mapping missing __reversed__ https://bugs.python.org/issue40374 closed by rhettinger

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Accepted PEP 615: Support for the IANA Time Zone Database in the Standard Library
by Barry Warsaw 22 Apr '20

22 Apr '20

The Python Steering Council accepts PEP 615 - Support for the IANA Time Zone Database in the Standard Library: https://www.python.org/dev/peps/pep-0615/ Congratulations Paul Ganssle! This is a fantastic, well written PEP, and we appreciate Paul’s engagement with the SC to clear up our last questions and concerns. We look forward to its availability in Python 3.9. Thank you Paul, and everyone who helped contribute to this important new module. Cheers, -Barry (on behalf of the Python Steering Council)

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[RELEASE] Python 2.7.18, the end of an era
by Benjamin Peterson 21 Apr '20

21 Apr '20

I'm eudaemonic to announce the immediate availability of Python 2.7.18. Python 2.7.18 is a special release. I refer, of course, to the fact that "2.7.18" is the closest any Python version number will ever approximate e, Euler's number. Simply exquisite! A less transcendent property of Python 2.7.18 is that it is the last Python 2.7 release and therefore the last Python 2 release. It's time for the CPython community to say a fond but firm farewell to Python 2. Users still on Python 2 can use e to compute the instantaneously compounding interest on their technical debt. Download this unique, commemorative Python release on python.org: https://www.python.org/downloads/release/python-2718/ Python 2.7 has been under active development since the release of Python 2.6, more than 11 years ago. Over all those years, CPython's core developers and contributors sedulously applied bug fixes to the 2.7 branch, no small task as the Python 2 and 3 branches diverged. There were large changes midway through Python 2.7's life such as PEP 466's feature backports to the ssl module and hash randomization. Traditionally, these features would never have been added to a branch in maintenance mode, but exceptions were made to keep Python 2 users secure. Thank you to CPython's community for such dedication. Python 2.7 was lucky to have the services of two generations of binary builders and operating system experts, Martin von Löwis and Steve Dower for Windows, and Ronald Oussoren and Ned Deily for macOS. The reason we provided binary Python 2.7 releases for macOS 10.9, an operating system obsoleted by Apple 4 years ago, or why the "Microsoft Visual C++ Compiler for Python 2.7" exists is the dedication of these individuals. I thank the past and present Python release managers, Barry Warsaw, Ned Deily, Georg Brandl, Larry Hastings, and Łukasz Langa for their advice and support over the years. I've learned a lot from them—like don't be the sucker who volunteers to manage the release right before a big compatibility break! Python 3 would be nowhere without the critical work of the wider community. Library maintainers followed CPython by maintaining Python 2 support for many years but also threw their weight behind the Python 3 statement (https://python3statement.org). Linux distributors chased Python 2 out of their archives. Users migrated hundreds of millions of lines of code, developed porting guides, and kept Python 2 in their brain while Python 3 gained 10 years of improvements. Finally, thank you to GvR for creating Python 0.9, 1, 2, and 3. Long live Python 3+! Signing off, Benjamin 2.7 release manager

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Re: Accepting PEP 617: New PEG parser for CPython
by Raymond Hettinger 21 Apr '20

21 Apr '20

This will be a nice improvement. Raymond

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Re: PEP 616 "String methods to remove prefixes and suffixes" accepted
by Raymond Hettinger 21 Apr '20

21 Apr '20

Please consider adding underscores to the names: remove_prefix() and remove_suffix(). The latter method causes a mental hiccup when first read as removes-uffix, forcing mental backtracking to get to remove-suffix. We had a similar problem with addinfourl initially being read as add-in-four-l before mentally backtracking to add-info-url. The PEP says this alternative was considered, but I disagree with the rationale given in the PEP. The reason that "startswith" and "endswith" don't have underscores is that they aren't needed to disambiguate the text. Our rules are to add underscores and to spell-out words when it improves readability, which in this case it does. Like casing conventions, our rules and preferences for naming evolved after the early modules were created -- the older the module, the more likely that it doesn't follow modern conventions. We only have one chance to get this right (bugs can be fixed, but API choices persist for very long time). Take it from someone with experience with this particular problem. I created imap() but later regretted the naming pattern when if came to ifilter() and islice() which sometimes cause mental hiccups initially being read as if-ilter and is-lice. Raymond

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PEP 616 "String methods to remove prefixes and suffixes" accepted
by Victor Stinner 21 Apr '20

21 Apr '20

Hi, The Python Steering Council accepts the PEP 616 "String methods to remove prefixes and suffixes": https://www.python.org/dev/peps/pep-0616/ Congrats Dennis Sweeney! We just have one last request: we expect the documentation to explain well the difference between removeprefix()/removesuffix() and lstrip()/strip()/rstrip(), since it is the rationale of the PEP ;-) You can find the WIP implementation at: * https://github.com/python/cpython/pull/18939 * https://bugs.python.org/issue39939 Victor -- Night gathers, and now my watch begins. It shall not end until my death.

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Accepting PEP 617: New PEG parser for CPython
by Brett Cannon 21 Apr '20

21 Apr '20

The steering council is happy to announce that we have accepted PEP 617! Thanks to the PEP authors for all their hard work (which includes sending a PR to update the acceptance of the PEP 😉).

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Further PEP 615 Discussion: Equality and hash of ZoneInfo
by Paul Ganssle 20 Apr '20

20 Apr '20

A few weeks ago, I submitted PEP 615 to the steering council <https://github.com/python/steering-council/issues/22> for a decision. There's been a decent amount of discussion there with some very good questions. I think they are mostly resolved (though I'm happy to have other people look over the logic of some of my responses there), but Victor brought up the question of the equality and hash behavior of ZoneInfo, and while I'm leaning one way, I could easily be convinced - particularly if people have /real/ use cases that they are planning to implement that would be affected by this. I've summed up the options on the discourse thread <https://discuss.python.org/t/pep-615-support-for-the-iana-time-zone-databas…>, and would appreciate if anyone is able to give some feedback. Thanks! Paul

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Summary of Python tracker Issues
by Python tracker 18 Apr '20

18 Apr '20

ACTIVITY SUMMARY (2020-04-10 - 2020-04-17) 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 7443 (+10) closed 44618 (+55) total 52061 (+65) Open issues with patches: 2932 Issues opened (40) ================== #25680: Selector.select() hangs when there is nothing to select https://bugs.python.org/issue25680 reopened by gvanrossum #40247: Logged out of user when running Tkinter https://bugs.python.org/issue40247 opened by Jordan #40249: __import__ doesn't honour globals https://bugs.python.org/issue40249 opened by stefan #40250: unable to comment out r'\u' string with triple quote marks https://bugs.python.org/issue40250 opened by Elmar Bucher #40251: selectors.KqueueSelector hangs on EOF, unlike other selectors https://bugs.python.org/issue40251 opened by russelldavis #40252: selectors.KqueueSelector should not be the default selector https://bugs.python.org/issue40252 opened by russelldavis #40253: Fix .py(w) file association with Pyhon 3 Windows installer https://bugs.python.org/issue40253 opened by virtualnobi #40254: pyspecific directives are not translatable https://bugs.python.org/issue40254 opened by cocoatomo #40255: Fixing Copy on Writes from reference counting https://bugs.python.org/issue40255 opened by eelizondo #40256: Python 3.8 Not Launching on Bootcamp Windows 10. https://bugs.python.org/issue40256 opened by YusufM #40257: Improve the use of __doc__ in pydoc https://bugs.python.org/issue40257 opened by serhiy.storchaka #40259: re.Scanner groups https://bugs.python.org/issue40259 opened by dchron #40260: modulefinder traceback regression starting on Windows https://bugs.python.org/issue40260 opened by barry-scott #40261: Build of Python where make is called from subprocess, within a https://bugs.python.org/issue40261 opened by rdbisme #40262: SSL recv_into requires the object to implement __len__ unlike https://bugs.python.org/issue40262 opened by tzickel #40263: ValueError exception on _winapi.WaitForMultipleObjects https://bugs.python.org/issue40263 opened by Ray Donnelly #40269: Inconsistent complex behavior with (-1j) https://bugs.python.org/issue40269 opened by rushilu #40272: ModuleNotFoundEror thrown by system python while accessing it https://bugs.python.org/issue40272 opened by gavin #40273: mappingproxy isn't reversible https://bugs.python.org/issue40273 opened by jack1142 #40275: test.support has way too many imports https://bugs.python.org/issue40275 opened by vstinner #40278: pathlib Path.replace raises OSError when target exists https://bugs.python.org/issue40278 opened by selik #40279: Documentation example of module init function lacks error hand https://bugs.python.org/issue40279 opened by scoder #40280: Consider supporting emscripten/webassembly as a build target https://bugs.python.org/issue40280 opened by Simon Biggs #40283: Documentation of turtle.circle() https://bugs.python.org/issue40283 opened by guchao #40284: Add mapping methods to types.SimpleNamespace https://bugs.python.org/issue40284 opened by rhettinger #40288: atexit module should not be loaded more than once per interpre https://bugs.python.org/issue40288 opened by vstinner #40289: "highlighting" how to get Python's Scripts directory in the do https://bugs.python.org/issue40289 opened by thautwarm #40291: socket library support for CAN_J1939 https://bugs.python.org/issue40291 opened by karlding #40293: Tag libffi build and sources in cpython-source-deps for 3.9.0b https://bugs.python.org/issue40293 opened by indygreg #40296: help(list[int]) fails https://bugs.python.org/issue40296 opened by serhiy.storchaka #40297: test_socket.CANTest is broken at HEAD on master https://bugs.python.org/issue40297 opened by karlding #40300: logging.Formatter crashes when default_msec_format is None. https://bugs.python.org/issue40300 opened by felixxm #40301: zipfile module: new feature (two lines of code), useful for te https://bugs.python.org/issue40301 opened by massimosala #40304: Classes created using type() don't need to explicitly inherit https://bugs.python.org/issue40304 opened by boris #40305: Fix server_close() method for ThreadingHTTPServer and TCPServe https://bugs.python.org/issue40305 opened by ROUX antoine2 #40306: Enhancement request for SSLContext - flag to handle trailing d https://bugs.python.org/issue40306 opened by bli2020 #40307: multiprocessing.BaseManager does not retain Client type. https://bugs.python.org/issue40307 opened by amol #40308: Intermittent failure of test_os.TestScandir.test_attributes on https://bugs.python.org/issue40308 opened by Dennis Sweeney #40309: “unmatched paren” for space before parenthesis in Py_Build https://bugs.python.org/issue40309 opened by Wrzlprmft #40311: docs.python.org banner - release blocker for 2.7.18 https://bugs.python.org/issue40311 opened by sumanah Most recent 15 issues with no replies (15) ========================================== #40309: “unmatched paren” for space before parenthesis in Py_Build https://bugs.python.org/issue40309 #40305: Fix server_close() method for ThreadingHTTPServer and TCPServe https://bugs.python.org/issue40305 #40304: Classes created using type() don't need to explicitly inherit https://bugs.python.org/issue40304 #40297: test_socket.CANTest is broken at HEAD on master https://bugs.python.org/issue40297 #40291: socket library support for CAN_J1939 https://bugs.python.org/issue40291 #40289: "highlighting" how to get Python's Scripts directory in the do https://bugs.python.org/issue40289 #40283: Documentation of turtle.circle() https://bugs.python.org/issue40283 #40279: Documentation example of module init function lacks error hand https://bugs.python.org/issue40279 #40275: test.support has way too many imports https://bugs.python.org/issue40275 #40272: ModuleNotFoundEror thrown by system python while accessing it https://bugs.python.org/issue40272 #40262: SSL recv_into requires the object to implement __len__ unlike https://bugs.python.org/issue40262 #40256: Python 3.8 Not Launching on Bootcamp Windows 10. https://bugs.python.org/issue40256 #40254: pyspecific directives are not translatable https://bugs.python.org/issue40254 #40252: selectors.KqueueSelector should not be the default selector https://bugs.python.org/issue40252 #40251: selectors.KqueueSelector hangs on EOF, unlike other selectors https://bugs.python.org/issue40251 Most recent 15 issues waiting for review (15) ============================================= #40305: Fix server_close() method for ThreadingHTTPServer and TCPServe https://bugs.python.org/issue40305 #40301: zipfile module: new feature (two lines of code), useful for te https://bugs.python.org/issue40301 #40300: logging.Formatter crashes when default_msec_format is None. https://bugs.python.org/issue40300 #40297: test_socket.CANTest is broken at HEAD on master https://bugs.python.org/issue40297 #40291: socket library support for CAN_J1939 https://bugs.python.org/issue40291 #40288: atexit module should not be loaded more than once per interpre https://bugs.python.org/issue40288 #40273: mappingproxy isn't reversible https://bugs.python.org/issue40273 #40269: Inconsistent complex behavior with (-1j) https://bugs.python.org/issue40269 #40263: ValueError exception on _winapi.WaitForMultipleObjects https://bugs.python.org/issue40263 #40260: modulefinder traceback regression starting on Windows https://bugs.python.org/issue40260 #40257: Improve the use of __doc__ in pydoc https://bugs.python.org/issue40257 #40255: Fixing Copy on Writes from reference counting https://bugs.python.org/issue40255 #40254: pyspecific directives are not translatable https://bugs.python.org/issue40254 #40243: Unicode 3.2 numeric uses decimal_changed instead of numeric_ch https://bugs.python.org/issue40243 #40237: Test code coverage (C) job of Travis CI fails on test_distutil https://bugs.python.org/issue40237 Top 10 most discussed issues (10) ================================= #40255: Fixing Copy on Writes from reference counting https://bugs.python.org/issue40255 45 msgs #40260: modulefinder traceback regression starting on Windows https://bugs.python.org/issue40260 15 msgs #40244: AIX: build: _PyObject_GC_TRACK Asstertion failure https://bugs.python.org/issue40244 13 msgs #36780: Interpreter exit blocks waiting for futures of shut-down Threa https://bugs.python.org/issue36780 9 msgs #39481: Implement PEP 585 (Type Hinting Generics In Standard Collectio https://bugs.python.org/issue39481 9 msgs #40170: [C API] Make PyTypeObject structure an opaque structure in the https://bugs.python.org/issue40170 8 msgs #40269: Inconsistent complex behavior with (-1j) https://bugs.python.org/issue40269 8 msgs #40284: Add mapping methods to types.SimpleNamespace https://bugs.python.org/issue40284 8 msgs #40214: test_ctypes.test_load_dll_with_flags Windows failure https://bugs.python.org/issue40214 7 msgs #40257: Improve the use of __doc__ in pydoc https://bugs.python.org/issue40257 7 msgs Issues closed (55) ================== #15904: file,close() can fail assert on Windows in 2.7 https://bugs.python.org/issue15904 closed by benjamin.peterson #29255: selects.KqueueSelector behaves incorrectly when no fds are reg https://bugs.python.org/issue29255 closed by gvanrossum #30140: Binary arithmetic does not always call subclasses first https://bugs.python.org/issue30140 closed by gvanrossum #31758: various refleaks in _elementtree, and crashes when using an un https://bugs.python.org/issue31758 closed by scoder #32033: The pwd module implementation incorrectly sets some attributes https://bugs.python.org/issue32033 closed by vstinner #32894: AST unparsing of infinity numbers https://bugs.python.org/issue32894 closed by vstinner #35967: Better platform.processor support https://bugs.python.org/issue35967 closed by jaraco #38644: Pass explicitly tstate to function calls https://bugs.python.org/issue38644 closed by vstinner #39011: ElementTree attributes replace "\r" with "\n" https://bugs.python.org/issue39011 closed by scoder #39380: ftplib uses latin-1 as default encoding https://bugs.python.org/issue39380 closed by vstinner #39522: AST Unparser with unicode kinded constants https://bugs.python.org/issue39522 closed by pablogsal #39667: Update zipfile.Path with zipp 3.0 https://bugs.python.org/issue39667 closed by jaraco #39793: make_msgid fail on FreeBSD 12.1-RELEASE-p1 with different doma https://bugs.python.org/issue39793 closed by BTaskaya #39865: getattr silences an unrelated AttributeError https://bugs.python.org/issue39865 closed by rhettinger #39894: `pathlib.Path.samefile()` calls `os.stat()` without using acce https://bugs.python.org/issue39894 closed by pitrou #39897: `pathlib.Path.is_mount()` calls `Path(self.parent)` and theref https://bugs.python.org/issue39897 closed by pitrou #39901: `pathlib.Path.owner()` and `group()` use `pwd` and `grp` modul https://bugs.python.org/issue39901 closed by pitrou #39953: Let's update ssl error codes https://bugs.python.org/issue39953 closed by benjamin.peterson #40091: Crash in logging._after_at_fork_child_reinit_locks() https://bugs.python.org/issue40091 closed by vstinner #40129: Add test classes for custom __index__, __int__, __float__ and https://bugs.python.org/issue40129 closed by serhiy.storchaka #40197: Add nanoseconds to timing table in What's new python 3.8 https://bugs.python.org/issue40197 closed by rhettinger #40208: Remove deprecated symtable.SymbolTable.has_exec https://bugs.python.org/issue40208 closed by corona10 #40209: read_pyfile function refactor in Lib/test/test_unparse.py https://bugs.python.org/issue40209 closed by pablogsal #40218: sys.executable is a false path if python is executed from gdb https://bugs.python.org/issue40218 closed by terry.reedy #40221: Use new _at_fork_reinit() lock method in multiprocessing https://bugs.python.org/issue40221 closed by corona10 #40230: Itertools.product() Out of Memory Errors https://bugs.python.org/issue40230 closed by rhettinger #40232: PyOS_AfterFork_Child() should use _PyThread_at_fork_reinit() https://bugs.python.org/issue40232 closed by corona10 #40235: confusing documentation for IOBase.__exit__ https://bugs.python.org/issue40235 closed by serhiy.storchaka #40241: [C API] Make PyGC_Head structure opaque, or even move it to th https://bugs.python.org/issue40241 closed by vstinner #40246: Different error messages for same error - invalid string prefi https://bugs.python.org/issue40246 closed by pablogsal #40248: Proposed class for collections: dynamicdict https://bugs.python.org/issue40248 closed by steven.daprano #40258: random module does not have type hints https://bugs.python.org/issue40258 closed by rhettinger #40264: List item inside tuple seemingly allows for item assignment ev https://bugs.python.org/issue40264 closed by eric.smith #40265: argparse.Namespace __repr__ does not handle reserved keywords https://bugs.python.org/issue40265 closed by rhettinger #40266: Failure to build _ssl module on ubuntu xenial https://bugs.python.org/issue40266 closed by SilentGhost #40267: Error message differs when an expression is in an fstring https://bugs.python.org/issue40267 closed by gvanrossum #40268: Reorganize pycore_pystate.h header https://bugs.python.org/issue40268 closed by vstinner #40270: activate (or include) json1 extension in sqlite https://bugs.python.org/issue40270 closed by zach.ware #40271: Allow shell like paths in https://bugs.python.org/issue40271 closed by serhiy.storchaka #40274: 3D plotting library doesn't occlude objects by depth/perspecti https://bugs.python.org/issue40274 closed by eric.smith #40276: Make member objects inspectable. https://bugs.python.org/issue40276 closed by rhettinger #40277: Improve repr for _tuplegetter objects https://bugs.python.org/issue40277 closed by rhettinger #40281: Add pathlib.PurePath.as_uri() https://bugs.python.org/issue40281 closed by pitrou #40282: random.getrandbits(0) should succeed https://bugs.python.org/issue40282 closed by pitrou #40286: Add randbytes() method to random.Random https://bugs.python.org/issue40286 closed by vstinner #40287: SpooledTemporaryFile.seek returns None https://bugs.python.org/issue40287 closed by inada.naoki #40290: Add zscore to statistics.NormalDist https://bugs.python.org/issue40290 closed by rhettinger #40292: Memory leak when defining a new class inside a loop https://bugs.python.org/issue40292 closed by serhiy.storchaka #40294: Use-after-free crash if multiple interpreters import asyncio m https://bugs.python.org/issue40294 closed by vstinner #40295: doctest handling of multiline strings is broken https://bugs.python.org/issue40295 closed by steven.daprano #40298: Type annotation objects (Tuple, List, etc.) register as callab https://bugs.python.org/issue40298 closed by serhiy.storchaka #40299: os.dup seems broken with execvp (LINUX) https://bugs.python.org/issue40299 closed by krsna #40302: Add pycore_byteswap.h internal header file with _Py_bswap32() https://bugs.python.org/issue40302 closed by vstinner #40303: argparse parse_args args parameter bug or intended https://bugs.python.org/issue40303 closed by Gharg #40310: If use element from for in while loop it will have bad iterate https://bugs.python.org/issue40310 closed by Maks Bleo

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