Mailman 3 August 2019 - Python-Dev

[RELEASE] ACTION REQUIRED: Python 3.8.0b4 now available for testing
by Łukasz Langa 30 Aug '19

30 Aug '19

It's time for the last beta release of Python 3.8. Go find it at: https://www.python.org/downloads/release/python-380b4/ <https://www.python.org/downloads/release/python-380b4/> This release is the last of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. The next pre-release of Python 3.8 will be 3.8.0c1, the first release candidate, currently scheduled for 2019-09-30. Call to action We strongly encourage maintainers of third-party Python projects to test with 3.8 during the beta phase and report issues found to the Python bug tracker as soon as possible. Please note this is the last beta release, there is not much time left to identify and fix issues before the release of 3.8.0. If you were hesitating trying it out before, now is the time. While the release is planned to be feature complete entering the beta phase, it is possible that features may be modified or, in rare cases, deleted up until the start of the release candidate phase (2019-09-30). Our goal is have no ABI changes after beta 3 and no code changes after 3.8.0c1, the release candidate. To achieve that, it will be extremely important to get as much exposure for 3.8 as possible during the beta phase. That beta phase is coming to an end. Please test now. Please keep in mind that this is a preview release and its use is not recommended for production environments. Acknowledgments Many developers worked hard for the past four weeks to squash remaining bugs, some requiring non-obvious decisions. Many thanks to the most active, namely Raymond Hettinger, Steve Dower, Victor Stinner, Terry Jan Reedy, Serhiy Storchaka, Pablo Galindo Salgado, Tal Einat, Zackery Spytz, Ronald Oussoren, Neil Schemenauer, Inada Naoki, Christian Heimes, and Andrew Svetlov. 3.8.0 would not reach the Last Beta without you. Thank you! - Ł

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Re: Announcing the new Python triage team on GitHub
by Raymond Hettinger 24 Aug '19

24 Aug '19

Thanks for doing this. I hope it encourages more participation. The capabilities of a triager mostly look good except for "closing PRs and issues". This is a superpower that has traditionally been reserved for more senior developers because it grants the ability to shut-down the work of another aspiring contributor. Marking someone else's suggestion as rejected is the most perilous and least fun aspect of core development. Submitters tend to expect their idea won't be rejected without a good deal of thought and expert consideration. Our bar for becoming a triager is somewhat low, so I don't think it makes sense to give the authority to reject a PR or close an issue. ISTM the primary value of having triager is to tag issues appropriately, summon the appropriate experts, and make a first pass at review and/or improvements. FWIW, the definition of the word triage is "in medical use: the assignment of degrees of urgency to wounds or illnesses to decide the order of treatment of a large number of patients or casualties." That doesn't imply making a final disposition. Put another way, the only remaining distinction between a "triager" and a "core developer" is the ability to push the "commit" button. In a way, that is the least interesting part of the process and is often a foregone conclusion by the time it happens. Raymond

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Summary of Python tracker Issues
by Python tracker 23 Aug '19

23 Aug '19

ACTIVITY SUMMARY (2019-08-16 - 2019-08-23) 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 7153 (-18) closed 42529 (+72) total 49682 (+54) Open issues with patches: 2891 Issues opened (47) ================== #26680: Incorporating float.is_integer into the numeric tower and Deci https://bugs.python.org/issue26680 reopened by robert_smallshire #37531: Fix regrtest timeout for subprocesses: regrtest -jN --timeout= https://bugs.python.org/issue37531 reopened by vstinner #37585: Comparing PyDictValues does not give expected results https://bugs.python.org/issue37585 reopened by aeros167 #37878: Sub-Interpreters : Document PyThreadState_DeleteCurrent() https://bugs.python.org/issue37878 opened by nanjekyejoannah #37879: Segfaults in C heap type subclasses https://bugs.python.org/issue37879 opened by eelizondo #37880: For argparse add_argument with action='store_const', const sho https://bugs.python.org/issue37880 opened by nanjekyejoannah #37881: __text_signature__ parser doesn't handle globals in extension https://bugs.python.org/issue37881 opened by Antony.Lee #37883: threading.Lock.locked is not documented https://bugs.python.org/issue37883 opened by remi.lapeyre #37885: venv: Don't produce unbound variable warning on deactivate https://bugs.python.org/issue37885 opened by danabr #37886: PyStructSequence_UnnamedField not exported https://bugs.python.org/issue37886 opened by jeffr(a)livedata.com #37888: Sub-interpreters : Confusing docs about state after calling Py https://bugs.python.org/issue37888 opened by nanjekyejoannah #37890: Modernize several tests in test_importlib https://bugs.python.org/issue37890 opened by aeros167 #37891: Exceptions tutorial page does not mention raise from https://bugs.python.org/issue37891 opened by Niels Albers #37892: IDLE Shell: isolate user code input https://bugs.python.org/issue37892 opened by terry.reedy #37894: [win] shutil.which can not find the path if 'cmd' include dire https://bugs.python.org/issue37894 opened by seahoh #37895: test_logging hangs on an IPv6-only host https://bugs.python.org/issue37895 opened by gregory.p.smith #37896: test_multiprocessing_fork hangs on an IPv6-only host https://bugs.python.org/issue37896 opened by gregory.p.smith #37897: test_asyncio hangs on an IPv6-only host https://bugs.python.org/issue37897 opened by gregory.p.smith #37898: test_httpservers hangs on an IPv6-only host https://bugs.python.org/issue37898 opened by gregory.p.smith #37899: test_xmlrpc hangs on an IPv6-only host https://bugs.python.org/issue37899 opened by gregory.p.smith #37900: [urllib] proxy_bypass_registry doesn't handle invalid proxy ov https://bugs.python.org/issue37900 opened by kwojniak_box #37901: 21 tests fail when run on an IPv6-only host https://bugs.python.org/issue37901 opened by gregory.p.smith #37902: Add scrolling for IDLE browsers https://bugs.python.org/issue37902 opened by GeeVye #37903: IDLE Shell sidebar. https://bugs.python.org/issue37903 opened by terry.reedy #37904: Suggested edit to Python Tutorial - Section 4 https://bugs.python.org/issue37904 opened by lrnormie(a)gmail.com #37905: Improve docs for NormalDist https://bugs.python.org/issue37905 opened by Christoph.Deil #37906: FreeBSD: test_threading: test_recursion_limit() crash with SIG https://bugs.python.org/issue37906 opened by vstinner #37907: speed-up PyLong_As*() for large longs https://bugs.python.org/issue37907 opened by sir-sigurd #37908: Add some examples of ArgumentParser.exit() https://bugs.python.org/issue37908 opened by shihai1991 #37909: Thread pool return ref hold memory https://bugs.python.org/issue37909 opened by Tianshu Gao #37910: argparse wrapping fails with metavar="" (no metavar) https://bugs.python.org/issue37910 opened by sjfranklin #37911: Minor error in PEP567 code example https://bugs.python.org/issue37911 opened by MarSoft #37913: Document that __length_hint__ may return NotImplemented https://bugs.python.org/issue37913 opened by jdemeyer #37914: class timedelta, support the method hours and minutes in field https://bugs.python.org/issue37914 opened by elinaldosoft #37916: distutils: allow overriding of the RANLIB command on macOS (da https://bugs.python.org/issue37916 opened by Jakub Piotr Cłapa #37918: What about an enum for open() modes? https://bugs.python.org/issue37918 opened by Marco Sulla #37919: nntplib throws spurious NNTPProtocolError https://bugs.python.org/issue37919 opened by msapiro #37921: Improve zipfile: add support for symlinks https://bugs.python.org/issue37921 opened by zaphodef #37922: inspect.getsource returns wrong class definition when multiple https://bugs.python.org/issue37922 opened by lennyt #37923: Combining typing.get_type_hints and inspect.signature https://bugs.python.org/issue37923 opened by dmontague #37924: Embedding Python in Another Application: Compiling under Unix https://bugs.python.org/issue37924 opened by hroncok #37925: --embed not included in python3.8-config usage/--help https://bugs.python.org/issue37925 opened by hroncok #37927: No Instantiation Restrictions for AbstractBaseClasses derived https://bugs.python.org/issue37927 opened by Talha Ahmed #37928: test_glob.test_selflink() fails randomly on AMD64 Fedora Rawhi https://bugs.python.org/issue37928 opened by vstinner #37929: IDLE: OK sometimes fails to close configdialog https://bugs.python.org/issue37929 opened by terry.reedy #37930: make fails when compiling Python 2.6 from source (posixmodule. https://bugs.python.org/issue37930 opened by Oguz_eren #37931: crash reimporting posix after Py_Finalize on mac https://bugs.python.org/issue37931 opened by Benoit Hudson Most recent 15 issues with no replies (15) ========================================== #37931: crash reimporting posix after Py_Finalize on mac https://bugs.python.org/issue37931 #37929: IDLE: OK sometimes fails to close configdialog https://bugs.python.org/issue37929 #37928: test_glob.test_selflink() fails randomly on AMD64 Fedora Rawhi https://bugs.python.org/issue37928 #37924: Embedding Python in Another Application: Compiling under Unix https://bugs.python.org/issue37924 #37921: Improve zipfile: add support for symlinks https://bugs.python.org/issue37921 #37919: nntplib throws spurious NNTPProtocolError https://bugs.python.org/issue37919 #37918: What about an enum for open() modes? https://bugs.python.org/issue37918 #37916: distutils: allow overriding of the RANLIB command on macOS (da https://bugs.python.org/issue37916 #37913: Document that __length_hint__ may return NotImplemented https://bugs.python.org/issue37913 #37909: Thread pool return ref hold memory https://bugs.python.org/issue37909 #37907: speed-up PyLong_As*() for large longs https://bugs.python.org/issue37907 #37903: IDLE Shell sidebar. https://bugs.python.org/issue37903 #37900: [urllib] proxy_bypass_registry doesn't handle invalid proxy ov https://bugs.python.org/issue37900 #37899: test_xmlrpc hangs on an IPv6-only host https://bugs.python.org/issue37899 #37898: test_httpservers hangs on an IPv6-only host https://bugs.python.org/issue37898 Most recent 15 issues waiting for review (15) ============================================= #37931: crash reimporting posix after Py_Finalize on mac https://bugs.python.org/issue37931 #37921: Improve zipfile: add support for symlinks https://bugs.python.org/issue37921 #37916: distutils: allow overriding of the RANLIB command on macOS (da https://bugs.python.org/issue37916 #37913: Document that __length_hint__ may return NotImplemented https://bugs.python.org/issue37913 #37910: argparse wrapping fails with metavar="" (no metavar) https://bugs.python.org/issue37910 #37907: speed-up PyLong_As*() for large longs https://bugs.python.org/issue37907 #37902: Add scrolling for IDLE browsers https://bugs.python.org/issue37902 #37885: venv: Don't produce unbound variable warning on deactivate https://bugs.python.org/issue37885 #37879: Segfaults in C heap type subclasses https://bugs.python.org/issue37879 #37878: Sub-Interpreters : Document PyThreadState_DeleteCurrent() https://bugs.python.org/issue37878 #37864: Correct and deduplicate docs on "printable" characters https://bugs.python.org/issue37864 #37860: Add netlify deploy preview for docs https://bugs.python.org/issue37860 #37857: Setting logger.level directly has no effect due to caching in https://bugs.python.org/issue37857 #37849: IDLE: Completion window misplaced when shown above current lin https://bugs.python.org/issue37849 #37842: Initialize Py_buffer variables more efficiently https://bugs.python.org/issue37842 Top 10 most discussed issues (10) ================================= #37531: Fix regrtest timeout for subprocesses: regrtest -jN --timeout= https://bugs.python.org/issue37531 18 msgs #37890: Modernize several tests in test_importlib https://bugs.python.org/issue37890 9 msgs #37902: Add scrolling for IDLE browsers https://bugs.python.org/issue37902 9 msgs #36763: Implementation of the PEP 587 https://bugs.python.org/issue36763 7 msgs #16468: argparse only supports iterable choices https://bugs.python.org/issue16468 6 msgs #30413: Add fnmatch.filterfalse function https://bugs.python.org/issue30413 5 msgs #34155: email.utils.parseaddr mistakenly parse an email https://bugs.python.org/issue34155 5 msgs #35518: test_timeout uses blackhole.snakebite.net domain which doesn't https://bugs.python.org/issue35518 5 msgs #37754: Persistence of Shared Memory Segment after process exits https://bugs.python.org/issue37754 5 msgs #37906: FreeBSD: test_threading: test_recursion_limit() crash with SIG https://bugs.python.org/issue37906 5 msgs Issues closed (72) ================== #7676: IDLE shell shouldn't use TABs https://bugs.python.org/issue7676 closed by terry.reedy #9949: os.path.realpath on Windows does not follow symbolic links https://bugs.python.org/issue9949 closed by steve.dower #11846: Remove non-guaranteed implementation details from docs. https://bugs.python.org/issue11846 closed by rhettinger #12634: Random Remarks in class documentation https://bugs.python.org/issue12634 closed by rhettinger #13397: Option for XMLRPC clients to automatically transform Fault exc https://bugs.python.org/issue13397 closed by rhettinger #14050: Tutorial, list.sort() and items comparability https://bugs.python.org/issue14050 closed by rhettinger #14465: xml.etree.ElementTree: add feature to prettify XML output https://bugs.python.org/issue14465 closed by scoder #15913: Add PyBuffer_SizeFromFormat() C helper for struct.calcsize() https://bugs.python.org/issue15913 closed by vstinner #19441: itertools.tee improve documentation https://bugs.python.org/issue19441 closed by rhettinger #20727: Improved roundrobin itertools recipe https://bugs.python.org/issue20727 closed by rhettinger #21315: email._header_value_parser does not recognise in-line encoding https://bugs.python.org/issue21315 closed by maxking #22964: dbm.open(..., "x") https://bugs.python.org/issue22964 closed by serhiy.storchaka #23987: docs about containers membership testing wrong for broken obje https://bugs.python.org/issue23987 closed by rhettinger #24413: Inconsistent behavior between set and dict_keys/dict_items: fo https://bugs.python.org/issue24413 closed by rhettinger #24533: Increased Test Coverage for Lib/random.py https://bugs.python.org/issue24533 closed by rhettinger #24659: dict() built-in fails on iterators with a "keys" attribute https://bugs.python.org/issue24659 closed by rhettinger #24724: Element.findall documentation misleading https://bugs.python.org/issue24724 closed by rhettinger #25898: Check for subsequence inside a sequence https://bugs.python.org/issue25898 closed by rhettinger #26024: Non-ascii Windows locale names https://bugs.python.org/issue26024 closed by vstinner #26589: Add HTTP Response code 451 https://bugs.python.org/issue26589 closed by rhettinger #27561: Warn against subclassing builtins, and overriding their method https://bugs.python.org/issue27561 closed by rhettinger #28988: Switch dict and set structures to PyVarObject https://bugs.python.org/issue28988 closed by rhettinger #29250: islink and stat follow_symlinks are inconsistent on Windows https://bugs.python.org/issue29250 closed by eryksun #29330: __slots__ needs documentation https://bugs.python.org/issue29330 closed by rhettinger #29412: IndexError thrown on email.message.Message.get https://bugs.python.org/issue29412 closed by maxking #30550: Document order-preserving dictionary output in json https://bugs.python.org/issue30550 closed by rhettinger #30826: More details in reference 'Looping through a list in Python an https://bugs.python.org/issue30826 closed by rhettinger #32471: Add an UML class diagram to the collections.abc module documen https://bugs.python.org/issue32471 closed by rhettinger #32554: random.seed(tuple) uses the randomized hash function and so is https://bugs.python.org/issue32554 closed by rhettinger #32621: Problem of consistency in collection.abc documentation https://bugs.python.org/issue32621 closed by rhettinger #33830: Error in the output of one example in the httplib docs https://bugs.python.org/issue33830 closed by xtreak #34302: Avoid inefficient way to find start point in deque.index https://bugs.python.org/issue34302 closed by rhettinger #34521: Multiple tests (test_socket, test_multiprocessing_*) fail due https://bugs.python.org/issue34521 closed by vstinner #35654: Remove 'guarantee' that sorting only relies on __lt__ from sor https://bugs.python.org/issue35654 closed by rhettinger #36502: str.isspace() for U+00A0 and U+202F differs from document https://bugs.python.org/issue36502 closed by vstinner #37074: os.stat() does not work for NUL and CON https://bugs.python.org/issue37074 closed by eryksun #37206: Incorrect application of Argument Clinic to dict.pop() https://bugs.python.org/issue37206 closed by rhettinger #37433: syntax error in multiline f-string produces ~40k spaces output https://bugs.python.org/issue37433 closed by vstinner #37454: Clarify docs for math.log1p() https://bugs.python.org/issue37454 closed by rhettinger #37552: [Windows] strptime/strftime return invalid results with UCRT v https://bugs.python.org/issue37552 closed by steve.dower #37565: test_faulthandler: test_register_chain() crash with SIGSEGV (s https://bugs.python.org/issue37565 closed by vstinner #37603: parsetok(): Assertion `(intptr_t)(int)(a - line_start) == (a - https://bugs.python.org/issue37603 closed by vstinner #37641: Embeddable distribution pyc filenames show build machine locat https://bugs.python.org/issue37641 closed by steve.dower #37660: Drop support for Aspen magic directories in venv's activate sc https://bugs.python.org/issue37660 closed by brett.cannon #37661: venv activation scripts erroneously check if __VENV_PROMPT__ i https://bugs.python.org/issue37661 closed by brett.cannon #37663: Making venv activation script prompts consistent https://bugs.python.org/issue37663 closed by brett.cannon #37732: Possible uninitialized variable in Objects/obmalloc.c https://bugs.python.org/issue37732 closed by vstinner #37734: Registry keys for Windows Store package have wrong executable https://bugs.python.org/issue37734 closed by steve.dower #37751: In codecs, function 'normalizestring' should convert both spa https://bugs.python.org/issue37751 closed by vstinner #37775: update doc of compileall https://bugs.python.org/issue37775 closed by shihai1991 #37792: xml.etree.ElementTree.Element.__eq__ does compare only objects https://bugs.python.org/issue37792 closed by serhiy.storchaka #37810: ndiff reports incorrect location when diff strings contain tab https://bugs.python.org/issue37810 closed by tim.peters #37823: Telnet documentation: fix the link to open() https://bugs.python.org/issue37823 closed by vstinner #37826: Document PEP 3134 in tutorials/errors.rst https://bugs.python.org/issue37826 closed by maxking #37834: readlink on Windows cannot read app exec links https://bugs.python.org/issue37834 closed by steve.dower #37841: Python store app launcher has dependency on msvcp140.dll https://bugs.python.org/issue37841 closed by steve.dower #37851: faulthandler: only allocate the signal handler stack when faul https://bugs.python.org/issue37851 closed by vstinner #37866: PyModule_GetState Segmentation fault when called Py_Initialize https://bugs.python.org/issue37866 closed by Hua Liu #37868: `is_dataclass` returns `True` if `getattr` always succeeds. https://bugs.python.org/issue37868 closed by eric.smith #37869: Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1 https://bugs.python.org/issue37869 closed by vstinner #37875: gzip module any difference for compressing png file in version https://bugs.python.org/issue37875 closed by zach.ware #37877: MacOS crash appJar 3.7.3 https://bugs.python.org/issue37877 closed by Michael Hearn #37882: Code folding in IDLE https://bugs.python.org/issue37882 closed by terry.reedy #37884: Optimize Fraction() and statistics.mean() https://bugs.python.org/issue37884 closed by rhettinger #37887: some leak in the compiler_assert function https://bugs.python.org/issue37887 closed by serhiy.storchaka #37889: Fatal Python error: Py_EndInterpreter: not the last thread https://bugs.python.org/issue37889 closed by vstinner #37893: pow() should disallow inverse when modulus is +-1 https://bugs.python.org/issue37893 closed by tim.peters #37912: fstring with quotation marks conflict https://bugs.python.org/issue37912 closed by eric.smith #37915: Segfault in comparison between datetime.timezone.utc and pytz. https://bugs.python.org/issue37915 closed by pablogsal #37917: Warning regarding collections ABCs still present in 3.9 https://bugs.python.org/issue37917 closed by vstinner #37920: Support subscripting os.PathLike and make it valid at runtime https://bugs.python.org/issue37920 closed by gvanrossum #37926: regression: PySys_SetArgvEx(0, NULL, 0): SystemError: Python-3 https://bugs.python.org/issue37926 closed by vstinner

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Re: [Python-checkins] bpo-9949: Enable symlink traversal for ntpath.realpath (GH-15287)
by Jeremy Kloth 22 Aug '19

22 Aug '19

On Wed, Aug 21, 2019 at 2:43 PM Steve Dower <webhook-mailer(a)python.org> wrote: > > https://github.com/python/cpython/commit/75e064962ee0e31ec19a8081e9d9cc957b… > commit: 75e064962ee0e31ec19a8081e9d9cc957baf6415 > branch: master > author: Steve Dower <steve.dower(a)python.org> > committer: GitHub <noreply(a)github.com> > date: 2019-08-21T13:43:06-07:00 > summary: > > bpo-9949: Enable symlink traversal for ntpath.realpath (GH-15287) > > files: > A Misc/NEWS.d/next/Windows/2019-08-14-13-40-15.bpo-9949.zW45Ks.rst > M Doc/library/os.path.rst > M Doc/whatsnew/3.8.rst > M Lib/ntpath.py > M Lib/test/test_ntpath.py > M Lib/test/test_os.py > M Lib/test/test_shutil.py > M Lib/unittest/test/test_discovery.py > This change seems to have broken the windows buildbots. -- Jeremy Kloth

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Announcing the new Python triage team on GitHub
by Mariatta 21 Aug '19

21 Aug '19

We have a new Python triage team on GitHub to help improve our workflow. GitHub has a nice table that shows what a triager can or cannot do in general: https://help.github.com/en/articles/repository-permission-levels-for-an-org… More specific roles and responsibilities of the Python triage team are described in devguide: https://devguide.python.org/triaging/#python-triage-team The responsibilities are a little different than the Developer role that we currently have on b.p.o. On GitHub, triage team members have access to triage issues and pull requests not only in CPython repo, but also all the repositories owned by Python core team, including: devguide repo and all the bots' repos. Existing b.p.o Developers are not automatically added to Python triage team, but they can opt-in and request membership. Several reasons: - we don't know if the triager is still active or not - we don't know if the triager wants the added responsibilities or not Other contributors are also welcome to request the Python triage membership. All it takes is one core developer to approve the request. The process is fully documented in https://devguide.python.org/triaging/#becoming-a-member-of-the-python-triag…, and there is an issue template for requesting membership in core-workflow https://github.com/python/core-workflow/issues/new/choose The first two triage team members are Kyle Stanley and Jeroen Demeyer. Their requests were handled in: https://github.com/python/core-workflow/issues/353 https://github.com/python/core-workflow/issues/354 If you'd like more background on Python triage team and how we came to this stage, all of these have been discussed in discourse: - https://discuss.python.org/t/proposal-create-bug-triage-team-on-github/ - https://discuss.python.org/t/creating-the-python-triage-team-on-github/ - https://discuss.python.org/t/criteria-for-promoting-people-to-the-python-tr… - https://discuss.python.org/t/who-should-be-able-to-change-what-labels-on-gi… We also have a project board in core-workflow: https://github.com/python/core-workflow/projects/3 This is a new thing for us, and we're all still learning and getting use to it. Suggestions and ideas for improving the workflow can be discussed in Core Workflow category in discourse. Devguide improvements are also welcome. Thanks contributors, core devs, and The PSF infra team for all the help in getting this off the ground. And also thanks GitHub for giving us early access to the beta triage role! ᐧ

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Missing license for file Modules/ossaudiodev.c
by mihaela olteanu 21 Aug '19

21 Aug '19

Hello, Could you please let me know what is the license for the file Modules/ossaudiodev.c ?Inside the description there is a statement :"XXX need a license statement" which creates some confusion.Can we simply disregard that statement as for the other .c files which do not have such statements?Please note that we need this information for our OSS clearance report. Thank you, Mihaela

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Inline links in Misc/NEWS entries
by Kyle Stanley 20 Aug '19

20 Aug '19

Recently, on Discuss, I created a new topic: https://discuss.python.org/t/should-news-entries-contain-documentation-link… However, many may not have the time to read the full post or don’t regularly check the core workflow category on Discuss, so I'll provide a shortened version here. During my experience thus far reviewing PRs on GitHub, I've noticed a significant degree of inconsistency when it comes to the usage of inline links with reST and Sphinx in Misc/NEWS entries. Since many of my contributions have involved documentation changes, I've familiarized myself most of the syntax. Many of the features in markup languages provide visual modifications rather than functional ones. However, with the inline markup supported by reST and processing from Sphinx, there's a functional improvement as well. For example, the usage of :func:\`<function name>\` (escaped for mailman) provides a link to the relevant docs for the function. In the context of news entries, this allows readers to click on a function, method, class, etc for more information. This can be useful if it's something they're not familiar with, or when the changes affected the docs. For those who are familiar with the structure of docs.python.org, the cross link to the docs may not seem at all necessary. However, for readers that are either newer or not familiar with the structure, they might be led astray into 2.7 docs or an entirely wrong page. This happens especially frequently when using external search engines. I'm not at all suggesting that every PR author should be required to use it or know all of the reST constructs. However, I would like for everyone to be aware of the potential usefulness of including inline links in news entries, and mention it in the devguide. Also, I would like to understand why some developers dislike including it, even when the reST syntax is provided. The majority of authors so far would add my suggestion to their PR, but there have been some that don't want anything besides plaintext in their news entry. Personally, I think it provides further inclusiveness to readers of all levels of experience and QoL at a very minimal cost.

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subtype_dealloc causes segfaults on c heap type subclasses
by Eddie Elizondo 18 Aug '19

18 Aug '19

Hi everyone, I found a bug in subtype_dealloc causing segfaults when used with C heap types. Given that it modifies the deallocation routine of every instance, I thought it was important to surface this in here as well. Also worth noting, this blocks the adoption of PEP384 in C Extension modules that depend on subclassable types. The bug and the fix are explained in detail in the PR: https://github.com/python/cpython/pull/15323

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Re: [Webmaster] Python for Mac OS X Catalina
by Steve Holden 17 Aug '19

17 Aug '19

Hi Ana, This is something that the development team are best placed to answer, and I'm sure that they'd be happy to know if there are bumps in the road coming up with Catalina. I am copying this reply to the core developer list to alert them. It would be helpful if you could make as full a report as possible via bugs.python.org. A reply-all to this email can be used to let the development team know the report reference should you do so, and the bug tracker is a better medium for such focused communication than the list. I've moved the webmaster address to Bcc to relieve it of further traffic. Good luck! Steve Holden On Fri, Aug 16, 2019 at 11:04 AM Ana Simion via Webmaster < webmaster(a)python.org> wrote: > Hello, > > Can you advise when you’re going to update Python to work with Mac OS X > Catalina? I am running the beta of Mac OS X Catalina but am unable to > install the python software - I get a message advising the Developer hasn’t > updated the software to work with the new OS yet. I’d be most grateful if > you could get back to me as soon as possible. > > Many thanks > > Ana Simion > > > _______________________________________________ > Webmaster mailing list > Webmaster(a)python.org > https://mail.python.org/mailman/listinfo/webmaster >

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Summary of Python tracker Issues
by Python tracker 16 Aug '19

16 Aug '19

ACTIVITY SUMMARY (2019-08-09 - 2019-08-16) 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 7171 (+35) closed 42457 (+38) total 49628 (+73) Open issues with patches: 2911 Issues opened (56) ================== #15248: Better explain "TypeError: 'tuple' object is not callable" https://bugs.python.org/issue15248 reopened by rhettinger #34155: email.utils.parseaddr mistakenly parse an email https://bugs.python.org/issue34155 reopened by vstinner #37756: Error 0x80070643 when installing https://bugs.python.org/issue37756 reopened by eryksun #37805: json.dump(..., skipkeys=True) has no unit tests https://bugs.python.org/issue37805 opened by Julian #37806: Infinite recursion with typing.get_type_hints https://bugs.python.org/issue37806 opened by vg0377467 #37808: Deprecate unbound super methods https://bugs.python.org/issue37808 opened by steven.daprano #37810: ndiff reports incorrect location when diff strings contain tab https://bugs.python.org/issue37810 opened by Anthony Sottile #37812: Make implicit returns explicit in longobject.c (in CHECK_SMALL https://bugs.python.org/issue37812 opened by Greg Price #37815: 'Make Test' error while trying to install Python 3.7.4 on Linu https://bugs.python.org/issue37815 opened by Missono Dell #37816: f-string documentation not fully accurate https://bugs.python.org/issue37816 opened by v+python #37817: create_pipe_connection and start_serving_pipe not documented https://bugs.python.org/issue37817 opened by primal #37820: Unnecessary URL scheme exists to allow 'URL: reading file in u https://bugs.python.org/issue37820 opened by Alyan #37821: IDLE shell uses wrong namespace for completions https://bugs.python.org/issue37821 opened by taleinat #37823: Telnet documentation: fix the link to open() https://bugs.python.org/issue37823 opened by Mariatta #37824: IDLE: Handle Shell input warnings properly. https://bugs.python.org/issue37824 opened by serhiy.storchaka #37825: IDLE doc improvements https://bugs.python.org/issue37825 opened by terry.reedy #37826: Document PEP 3134 in tutorials/errors.rst https://bugs.python.org/issue37826 opened by maxking #37827: IDLE: Have the shell mimic terminal handling of \r and \b cont https://bugs.python.org/issue37827 opened by taleinat #37828: Fix default mock_name in unittest.mock.assert_called error mes https://bugs.python.org/issue37828 opened by xtreak #37829: Documentation of stdlib: add example of mixed arguments to dic https://bugs.python.org/issue37829 opened by pasenor #37830: continue and break in finally with return in try results with https://bugs.python.org/issue37830 opened by BTaskaya #37832: Python requires /dev/urandom on HURD: _Py_HashRandomization_In https://bugs.python.org/issue37832 opened by Jeffrey.Walton #37834: readlink on Windows cannot read app exec links https://bugs.python.org/issue37834 opened by steve.dower #37835: typing.get_type_hints wrong namespace for forward-declaration https://bugs.python.org/issue37835 opened by netbnd #37836: Support .as_integer_ratio() in fractions.Fraction https://bugs.python.org/issue37836 opened by jdemeyer #37837: add internal _PyLong_FromUnsignedChar() function https://bugs.python.org/issue37837 opened by sir-sigurd #37838: typing.get_type_hints not working with forward-declaration and https://bugs.python.org/issue37838 opened by netbnd #37839: makesetup Doesn't Handle Defines with Equal Sign https://bugs.python.org/issue37839 opened by wbond #37840: bytearray_getitem() handles negative index incorrectly https://bugs.python.org/issue37840 opened by sir-sigurd #37841: Python store app launcher has dependency on msvcp140.dll https://bugs.python.org/issue37841 opened by steve.dower #37842: Initialize Py_buffer variables more efficiently https://bugs.python.org/issue37842 opened by sir-sigurd #37843: CGIHTTPRequestHandler does not take args.directory in construc https://bugs.python.org/issue37843 opened by rjayne #37844: PyRun_SimpleFile should provide a version that does not need a https://bugs.python.org/issue37844 opened by cbiesinger #37846: declare that Text I/O use buffer inside https://bugs.python.org/issue37846 opened by Windson Yang #37848: More fully implement Unicode's case mappings https://bugs.python.org/issue37848 opened by Greg Price #37849: IDLE: Completion window misplaced when shown above current lin https://bugs.python.org/issue37849 opened by taleinat #37851: faulthandler: only allocate the signal handler stack when faul https://bugs.python.org/issue37851 opened by vstinner #37854: [xmlrpc.client.ServerProxy] It does not correctly parse the UR https://bugs.python.org/issue37854 opened by f9n #37855: Compiling Python 3.7.4 with Intel compilers 2019 https://bugs.python.org/issue37855 opened by zyzhang2006 #37856: Adding additional python installations to py launcher https://bugs.python.org/issue37856 opened by evanTO #37857: Setting logger.level directly has no effect due to caching in https://bugs.python.org/issue37857 opened by zaneb #37858: CookieLib: MozillaCookieJar.py uses case-sensitive regex to va https://bugs.python.org/issue37858 opened by ashleyharvey #37860: Add netlify deploy preview for docs https://bugs.python.org/issue37860 opened by epicfaace #37862: Search doesn't find built-in functions https://bugs.python.org/issue37862 opened by kim.oldfield #37864: Correct and deduplicate docs on "printable" characters https://bugs.python.org/issue37864 opened by Greg Price #37865: tempfile.NamedTemporaryFile() raises exception on close() when https://bugs.python.org/issue37865 opened by pashkin #37866: PyModule_GetState Segmentation fault when called Py_Initialize https://bugs.python.org/issue37866 opened by Hua Liu #37868: `is_dataclass` returns `True` if `getattr` always succeeds. https://bugs.python.org/issue37868 opened by Johan Hidding #37869: Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1 https://bugs.python.org/issue37869 opened by hansrajdas #37870: os.path.ismount returns false for disconnected CIFS mounts in https://bugs.python.org/issue37870 opened by Matt Christopher #37871: 40 * 473 grid of "é" has a single wrong character on Windows https://bugs.python.org/issue37871 opened by anhans #37872: Move statics in Python/import.c to top of the file https://bugs.python.org/issue37872 opened by nanjekyejoannah #37873: unittest: execute tests in parallel https://bugs.python.org/issue37873 opened by user93448 #37875: gzip module any difference for compressing png file in version https://bugs.python.org/issue37875 opened by Sivaprabu Ganesan #37876: Tests for Rot13 codec https://bugs.python.org/issue37876 opened by zeth #37877: MacOS crash appJar 3.7.3 https://bugs.python.org/issue37877 opened by Michael Hearn Most recent 15 issues with no replies (15) ========================================== #37877: MacOS crash appJar 3.7.3 https://bugs.python.org/issue37877 #37876: Tests for Rot13 codec https://bugs.python.org/issue37876 #37873: unittest: execute tests in parallel https://bugs.python.org/issue37873 #37870: os.path.ismount returns false for disconnected CIFS mounts in https://bugs.python.org/issue37870 #37869: Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1 https://bugs.python.org/issue37869 #37866: PyModule_GetState Segmentation fault when called Py_Initialize https://bugs.python.org/issue37866 #37864: Correct and deduplicate docs on "printable" characters https://bugs.python.org/issue37864 #37862: Search doesn't find built-in functions https://bugs.python.org/issue37862 #37860: Add netlify deploy preview for docs https://bugs.python.org/issue37860 #37857: Setting logger.level directly has no effect due to caching in https://bugs.python.org/issue37857 #37856: Adding additional python installations to py launcher https://bugs.python.org/issue37856 #37851: faulthandler: only allocate the signal handler stack when faul https://bugs.python.org/issue37851 #37844: PyRun_SimpleFile should provide a version that does not need a https://bugs.python.org/issue37844 #37843: CGIHTTPRequestHandler does not take args.directory in construc https://bugs.python.org/issue37843 #37842: Initialize Py_buffer variables more efficiently https://bugs.python.org/issue37842 Most recent 15 issues waiting for review (15) ============================================= #37864: Correct and deduplicate docs on "printable" characters https://bugs.python.org/issue37864 #37860: Add netlify deploy preview for docs https://bugs.python.org/issue37860 #37857: Setting logger.level directly has no effect due to caching in https://bugs.python.org/issue37857 #37849: IDLE: Completion window misplaced when shown above current lin https://bugs.python.org/issue37849 #37842: Initialize Py_buffer variables more efficiently https://bugs.python.org/issue37842 #37841: Python store app launcher has dependency on msvcp140.dll https://bugs.python.org/issue37841 #37840: bytearray_getitem() handles negative index incorrectly https://bugs.python.org/issue37840 #37837: add internal _PyLong_FromUnsignedChar() function https://bugs.python.org/issue37837 #37834: readlink on Windows cannot read app exec links https://bugs.python.org/issue37834 #37829: Documentation of stdlib: add example of mixed arguments to dic https://bugs.python.org/issue37829 #37827: IDLE: Have the shell mimic terminal handling of \r and \b cont https://bugs.python.org/issue37827 #37826: Document PEP 3134 in tutorials/errors.rst https://bugs.python.org/issue37826 #37824: IDLE: Handle Shell input warnings properly. https://bugs.python.org/issue37824 #37823: Telnet documentation: fix the link to open() https://bugs.python.org/issue37823 #37821: IDLE shell uses wrong namespace for completions https://bugs.python.org/issue37821 Top 10 most discussed issues (10) ================================= #37834: readlink on Windows cannot read app exec links https://bugs.python.org/issue37834 32 msgs #37760: Refactor makeunicodedata.py: dedupe parsing, use dataclass https://bugs.python.org/issue37760 21 msgs #37830: continue and break in finally with return in try results with https://bugs.python.org/issue37830 13 msgs #37774: Micro-optimize vectorcall using PY_LIKELY https://bugs.python.org/issue37774 12 msgs #37812: Make implicit returns explicit in longobject.c (in CHECK_SMALL https://bugs.python.org/issue37812 10 msgs #29535: datetime hash is deterministic in some cases https://bugs.python.org/issue29535 9 msgs #32771: merge the underlying data stores of unicodedata and the str ty https://bugs.python.org/issue32771 9 msgs #37848: More fully implement Unicode's case mappings https://bugs.python.org/issue37848 8 msgs #32912: Raise non-silent warning for invalid escape sequences https://bugs.python.org/issue32912 7 msgs #37849: IDLE: Completion window misplaced when shown above current lin https://bugs.python.org/issue37849 6 msgs Issues closed (38) ================== #16837: Number ABC can be instantiated https://bugs.python.org/issue16837 closed by rhettinger #20861: datetime argument handling inconsistent; should accept logical https://bugs.python.org/issue20861 closed by vstinner #21131: test_faulthandler.test_register_chain fails on 64bit ppc/arm w https://bugs.python.org/issue21131 closed by vstinner #25172: Unix-only crypt should not be present on Windows. https://bugs.python.org/issue25172 closed by steve.dower #32423: The Windows SDK version 10.0.15063.0 was not found https://bugs.python.org/issue32423 closed by isuruf #34985: python finds test modules from the wrong directory during PGO https://bugs.python.org/issue34985 closed by willingc #36030: add internal API function to create tuple without items array https://bugs.python.org/issue36030 closed by vstinner #37256: urllib.request.Request documentation erroneously refers to the https://bugs.python.org/issue37256 closed by orsenthil #37354: Write PowerShell Activate.ps1 to be static so it can be signed https://bugs.python.org/issue37354 closed by steve.dower #37531: Fix regrtest timeout for subprocesses: regrtest -jN --timeout= https://bugs.python.org/issue37531 closed by vstinner #37540: vectorcall: keyword names must be strings https://bugs.python.org/issue37540 closed by jdemeyer #37583: Got a 113 error when running the test_socket https://bugs.python.org/issue37583 closed by vstinner #37642: timezone allows no offset from range (23:59, 24:00) https://bugs.python.org/issue37642 closed by p-ganssle #37681: warning: ‘no_sanitize_thread’ https://bugs.python.org/issue37681 closed by vstinner #37689: Add Path.is_relative_to() https://bugs.python.org/issue37689 closed by pitrou #37738: curses.addch('a', curses.color_pair(1)) ignores the color info https://bugs.python.org/issue37738 closed by vstinner #37799: Renaming Doc/reference/ to Doc/language/ https://bugs.python.org/issue37799 closed by Mariatta #37804: Remove Thread.isAlive in Python 3.9 https://bugs.python.org/issue37804 closed by vstinner #37807: Make hash() return a non-negative number https://bugs.python.org/issue37807 closed by rhettinger #37809: Alias typing.NamedTuple to collections https://bugs.python.org/issue37809 closed by levkivskyi #37811: [FreeBSD, OSX] Socket module: incorrect usage of poll(2) https://bugs.python.org/issue37811 closed by vstinner #37813: PEP 7 line-breaking with binary operations contradicts Knuth's https://bugs.python.org/issue37813 closed by gvanrossum #37814: typing module: empty tuple syntax is undocumented https://bugs.python.org/issue37814 closed by gvanrossum #37818: Behaviors of binary bitwise operators contradicting documentat https://bugs.python.org/issue37818 closed by steven.daprano #37819: as_integer_ratio() missing from fractions.Fraction() https://bugs.python.org/issue37819 closed by rhettinger #37822: Add math.as_integer_ratio() https://bugs.python.org/issue37822 closed by rhettinger #37831: bool(~True) == True https://bugs.python.org/issue37831 closed by josh.r #37833: tkinter crashes macOS in the latest macOS update 10.14.6 https://bugs.python.org/issue37833 closed by ned.deily #37845: SLCertVerificationError: Unable to handle SAN names (from Cert https://bugs.python.org/issue37845 closed by christian.heimes #37847: The IDLE does not show previous code suggestions if I tap on t https://bugs.python.org/issue37847 closed by terry.reedy #37850: Console: holding right arrow key reproduces entire previous in https://bugs.python.org/issue37850 closed by paul.moore #37852: Pickling doesn't work for name-mangled private methods https://bugs.python.org/issue37852 closed by josh.r #37853: [urllib.parse.urlparse] It does not correctly parse the URL wi https://bugs.python.org/issue37853 closed by CuriousLearner #37859: time.process_time() constant / erratic on Windows https://bugs.python.org/issue37859 closed by Red Glyph #37861: Install fails on MacOS X 10.6 with python >= 3.7.1 https://bugs.python.org/issue37861 closed by ned.deily #37863: Speed up hash(fractions.Fraction) https://bugs.python.org/issue37863 closed by rhettinger #37867: docs says subprocess.run accepts a string but this does not wo https://bugs.python.org/issue37867 closed by SilentGhost #37874: json traceback on a float https://bugs.python.org/issue37874 closed by serhiy.storchaka

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