[issue1635741] Py_Finalize() doesn't clear all Python objects at exit

Change by hai shi : -- pull_requests: +18444 pull_request: https://github.com/python/cpython/pull/19084 ___ Python tracker ___

[issue39939] Add str methods to remove prefixes or suffixes

Change by Dennis Sweeney : Added file: https://bugs.python.org/file48989/pep-.rst ___ Python tracker ___ ___ Python-bugs-list mailing

[issue39939] Add str methods to remove prefixes or suffixes

Change by Dennis Sweeney : Removed file: https://bugs.python.org/file48983/pep-.rst ___ Python tracker ___ ___ Python-bugs-list mailing

[issue40022] 关于列表的基础算法问题

New submission from yepan Li : English is very poor so I use Chinese, 这是一个偶然的发现 lis1 = [1,2,3,4,5,6,7,8,9,10]#定义一个列表 lislen = len(lis1)#获得列表长度 此时lislen(列表1)的值为10 lis2 = []*lislen#定义一个新列表长度和第一个列表不一样但是没有元素 print(lis1)#输出测试一下第一个列表正常 for i in lis1:#用i循环遍历数组1

[issue40021] Throwing an Exception results in stack overflow

Change by Benjamin Peterson : -- resolution: -> duplicate stage: -> resolved status: open -> closed superseder: -> Interpreter aborts when chaining an infinite number of exceptions versions: -Python 3.8 ___ Python tracker

[issue40021] Throwing an Exception results in stack overflow

ThePokestarFan added the comment: I tested the program against my 3.8 installation and got the same error. -- versions: +Python 3.8 ___ Python tracker ___

[issue40021] Throwing an Exception results in stack overflow

Change by ThePokestarFan : Added file: https://bugs.python.org/file48987/program.py ___ Python tracker ___ ___ Python-bugs-list mailing

[issue40021] Throwing an Exception results in stack overflow

Change by ThePokestarFan : Added file: https://bugs.python.org/file48986/python2.txt ___ Python tracker ___ ___ Python-bugs-list mailing

[issue40021] Throwing an Exception results in stack overflow

Change by ThePokestarFan : Added file: https://bugs.python.org/file48985/interpter.txt ___ Python tracker ___ ___ Python-bugs-list mailing

[issue40021] Throwing an Exception results in stack overflow

New submission from ThePokestarFan : If I set up a simple recursion exception function, that calls itself every time an error is raised, Python throws a SIGABRT and crashes due to a "Stack Overflow". def x(): try: raise Exception() except Exception: x() Oddly

[issue40020] growable_comment_array_add leaks, causes crash

Change by Alexander Riccio : -- keywords: +patch pull_requests: +18442 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19083 ___ Python tracker

[issue40020] growable_comment_array_add leaks, causes crash

Alexander Riccio added the comment: Sidenote: visual studio was misleading and made this look like a use-after-free for a little while, which was interesting. -- nosy: +pablogsal ___ Python tracker

[issue40020] growable_comment_array_add leaks, causes crash

New submission from Alexander Riccio : growable_comment_array_add in parsetok.c incorrectly uses realloc, which leaks the array when allocation fails, and then causes a null pointer deref crash later when the array is freed in growable_comment_array_deallocate (the array pointer is

[issue39939] Add str methods to remove prefixes or suffixes

Dennis Sweeney added the comment: Here is a draft PEP -- I believe it needs a Core Developer sponsor now? -- Added file: https://bugs.python.org/file48983/pep-.rst ___ Python tracker

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Maxwell Bernstein added the comment: Okay, well it doesn't provide the desired behavior of raising the error when switching back and forth between manual and auto numbering, so I am looking into that. -- ___ Python tracker

[issue39953] Let's update ssl error codes

Change by Benjamin Peterson : -- keywords: +patch nosy: +benjamin.peterson nosy_count: 6.0 -> 7.0 pull_requests: +18441 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19082 ___ Python tracker

[issue38350] ./configure --with-pydebug should use -O0 rather than -Og

STINNER Victor added the comment: See also bpo-40019: "test_gdb should better detect when Python is optimized". -- ___ Python tracker ___

[issue40019] test_gdb should better detect when Python is optimized

Change by STINNER Victor : -- keywords: +patch pull_requests: +18440 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19081 ___ Python tracker ___

[issue40019] test_gdb should better detect when Python is optimized

New submission from STINNER Victor : On my PR 19077 which changes Python/ceval.c, test_gdb fails on Travis CI with Python compiled with clang -Og. The -Og optimization level is a compromise between performance and the ability to debug Python. The problem is that gdb fails to retrieve some

[issue40018] test_ssl fails with OpenSSL 1.1.1e

Benjamin Peterson added the comment: I think this is caused by their EOF change: https://github.com/openssl/openssl/issues/10880 read() now sometimes gives you the infamous OSError errno 0 rather than b'' at the end of the stream. -- ___ Python

[issue22699] Module source files not found when cross-compiling

Change by Ned Deily : -- nosy: +ned.deily ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue40018] test_ssl fails with OpenSSL 1.1.1e

New submission from Benjamin Peterson : == ERROR: test_ciphers (test.test_ssl.SimpleBackgroundTests) -- Traceback (most recent call last): File

[issue40017] Please support CLOCK_TAI in the time module.

Change by STINNER Victor : -- nosy: +vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue40017] Please support CLOCK_TAI in the time module.

Benjamin Peterson added the comment: I think we could certainly take a patch to expose that constant if libc/kernel headers expose it. -- nosy: +benjamin.peterson ___ Python tracker

[issue25878] CPython on Windows builds with /W3, not /W4

Steve Dower added the comment: Thanks for all that work! We definitely don't want a noisy build to be merged, but if you submit a PR with only your most confident suppressions then it'll be easier for us to look at the others and see which are scary/not-scary. --

[issue22699] Module source files not found when cross-compiling

Steve Dower added the comment: So ultimately this is a major sysconfig design flaw, and it likely requires a rewrite. The mix of information sources between _sysconfigdata (even when overriding the name and PYTHONPATH) and the Makefile, and the order in which you can rely them to be loaded

[issue25878] CPython on Windows builds with /W3, not /W4

Alexander Riccio added the comment: Ok, so I finally have some proper time to work on this. How would people (who are higher up in python than me, obviously) feel about suppressing most of the warnings via a user macro in Visual Studio? I've found that it's quite easy to add a macro to the

[issue40017] Please support CLOCK_TAI in the time module.

New submission from Russell Owen : It is becoming common (at least in astronomy) to want to use TAI as a time standard because it is a uniform time with no leap seconds, and differs from UTC (standard computer clock time) by an integer number of seconds that occasionally changes. Linux

[issue39969] Remove Param expression context from AST

Batuhan Taskaya added the comment: > Batuhan: You maybe want to propose a fix there. It shouldn't be hard to fix > the issue. Serhiy has an open PR about adding some dummy classes that will represent recent deletions like Suite, Param and AugStore/Load.

[issue40016] Clarify flag case in `re` module

Ram Rachum added the comment: I'm gonna look past the rudeness, and I'll just say that if I was tripped up by this, after 11 years of working with Python and the re module, then people in a beginner or intermediate level could be tripped up by this as well. Here's another, simpler

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Maxwell Bernstein added the comment: Looks like the patch solves my problem, so I am going to update my PR sometime today. -- ___ Python tracker ___

[issue40010] Inefficient sigal handling in multithreaded applications

STINNER Victor added the comment: New changeset a36adfa6bbf5e612a4d4639124502135690899b8 by Victor Stinner in branch 'master': bpo-39877: 4th take_gil() fix for daemon threads (GH-19080) https://github.com/python/cpython/commit/a36adfa6bbf5e612a4d4639124502135690899b8 --

[issue39877] Daemon thread is crashing in PyEval_RestoreThread() while the main thread is exiting the process

STINNER Victor added the comment: New changeset a36adfa6bbf5e612a4d4639124502135690899b8 by Victor Stinner in branch 'master': bpo-39877: 4th take_gil() fix for daemon threads (GH-19080) https://github.com/python/cpython/commit/a36adfa6bbf5e612a4d4639124502135690899b8 --

[issue39321] AMD64 FreeBSD Non-Debug 3.x: main regrtest process killed by SIGKILL (Signal 9)

STINNER Victor added the comment: The bug still occurs time to time. AMD64 FreeBSD Non-Debug 3.x: https://buildbot.python.org/all/#/builders/214/builds/475 -- ___ Python tracker

[issue39994] Redundant code in pprint module.

Change by Palak Kumar Jha : -- nosy: +fdrake versions: -Python 3.7 ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue33327] Add a method to move messages to IMAPlib

Change by STINNER Victor : -- nosy: -vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue40000] Improve AST validation for Constant nodes

STINNER Victor added the comment: > _PyType_Name(Py_TYPE(value))) Why truncating the type name in the error message? The qualified name (don't call _PyType_Name()) should provide more information, no? -- ___ Python tracker

[issue40016] Clarify flag case in `re` module

Serhiy Storchaka added the comment: I do not see any issue except that you was careless when read the documentation. -- ___ Python tracker ___

[issue39969] Remove Param expression context from AST

STINNER Victor added the comment: FYI this change broke the chameleon project: https://github.com/malthe/chameleon/issues/303 Batuhan: You maybe want to propose a fix there. It shouldn't be hard to fix the issue. -- nosy: +vstinner ___ Python

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Maxwell Bernstein added the comment: I'll take a look at the patch and see if this solves my problem. If it does, I'll update my PR with tests. -- ___ Python tracker ___

[issue40016] Clarify flag case in `re` module

Ram Rachum added the comment: Oops, my mistake. Any other idea how to solve this discrepancy? -- ___ Python tracker ___ ___

[issue39877] Daemon thread is crashing in PyEval_RestoreThread() while the main thread is exiting the process

Change by STINNER Victor : -- pull_requests: +18437 pull_request: https://github.com/python/cpython/pull/19080 ___ Python tracker ___

[issue40010] Inefficient sigal handling in multithreaded applications

Change by STINNER Victor : -- pull_requests: +18438 pull_request: https://github.com/python/cpython/pull/19080 ___ Python tracker ___

[issue40016] Clarify flag case in `re` module

Serhiy Storchaka added the comment: They are. -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue40016] Clarify flag case in `re` module

Ram Rachum added the comment: Well, these aren't the textbook case of a constant, since they're enums, and not defined in the global namespace. -- ___ Python tracker ___

[issue38237] Expose meaningful keyword arguments for pow()

Change by miss-islington : -- pull_requests: +18436 pull_request: https://github.com/python/cpython/pull/19079 ___ Python tracker ___

[issue40016] Clarify flag case in `re` module

Serhiy Storchaka added the comment: It is very inconvenient to use single-letter lowercase names for constants. It contradicts PEP 8: https://www.python.org/dev/peps/pep-0008/#constants -- nosy: +serhiy.storchaka ___ Python tracker

[issue40016] Clarify flag case in `re` module

Ram Rachum added the comment: As you can see I left the old uppercase enums defined, to avoid breaking backward compatibility. We could make them trigger a DeprecationWarning. -- ___ Python tracker

[issue40016] Clarify flag case in `re` module

Change by Ram Rachum : -- keywords: +patch pull_requests: +18434 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19078 ___ Python tracker ___

[issue40016] Clarify flag case in `re` module

New submission from Ram Rachum : Today I was tripped up by an inconsistency in the `re` docstring. I wanted to use DOTALL as a flag inside my regex, rather than as an argument to the `compile` function. Here are two lines from the docstring: (?aiLmsux) Set the A, I, L, M, S, U, or X flag

[issue40010] Inefficient sigal handling in multithreaded applications

Change by STINNER Victor : -- pull_requests: +18433 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19077 ___ Python tracker ___

[issue39824] Multi-phase extension module (PEP 489): don't call m_traverse, m_clear nor m_free before the module state is allocated

miss-islington added the comment: New changeset 13397ee47d23fda2e8d4bef40c1df986457673d1 by Hai Shi in branch 'master': bpo-39824: Convert PyModule_GetState() to get_module_state() (GH-19076) https://github.com/python/cpython/commit/13397ee47d23fda2e8d4bef40c1df986457673d1 -- nosy:

[issue40014] os.getgrouplist() can fail on macOS

Change by Ned Deily : -- title: os.getgrouplist() fails on macOS of GH Actions (Azure) -> os.getgrouplist() can fail on macOS ___ Python tracker ___

[issue40014] os.getgrouplist() fails on macOS of GH Actions (Azure)

Ned Deily added the comment: This error has to do with the number of groups a particular user is associated with. We’ve squashed similar bugs in the past but it looks like something has changed again in recent releases of macOS. It’s not Azure specific. --

[issue40015] logging.Logger.disabled field is redundant

Venkatesh-Prasad Ranganath added the comment: `logging.Logger.disabled` field is used in logging.config module to disable loggers during configuration. Since the field is not redundant, the issue is invalid and, hence, should be closed. -- resolution: -> not a bug stage: ->

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Eric V. Smith added the comment: It would be good if someone could convert this to a pull request and beef up the tests. -- ___ Python tracker ___

[issue39824] Multi-phase extension module (PEP 489): don't call m_traverse, m_clear nor m_free before the module state is allocated

Change by hai shi : -- pull_requests: +18432 pull_request: https://github.com/python/cpython/pull/19076 ___ Python tracker ___ ___

[issue40015] logging.Logger.disabled field is redundant

New submission from Venkatesh-Prasad Ranganath : `logging.Logger.disabled` field is assigned `False` while initializing `logging.Logger` instance and never updated. However, this field is also involved in two checks:

[issue40010] Inefficient sigal handling in multithreaded applications

STINNER Victor added the comment: New changeset 5a3a71dddbe80edc75a3a74ce3b7978cf8635901 by Victor Stinner in branch 'master': bpo-40010: Optimize signal handling in multithreaded applications (GH-19067) https://github.com/python/cpython/commit/5a3a71dddbe80edc75a3a74ce3b7978cf8635901

[issue40014] os.getgrouplist() fails on macOS of GH Actions (Azure)

STINNER Victor added the comment: These errors are really strange. Steve Dower: are you aware of anything recent change on the macOS job of Azure Pipelines / GH Actions. pythoninfo: --- os.uname: posix.uname_result(sysname='Darwin', nodename='Mac-1422.local', release='19.3.0',

[issue1635741] Py_Finalize() doesn't clear all Python objects at exit

STINNER Victor added the comment: New changeset 77248a28896d39cae0a7e084965b9ffc2624b7f4 by Dong-hee Na in branch 'master': bpo-1635741: Port _collections module to multiphase initialization (GH-19074) https://github.com/python/cpython/commit/77248a28896d39cae0a7e084965b9ffc2624b7f4

[issue40014] os.getgrouplist can raise OSError during the Display build info

Change by Dong-hee Na : -- keywords: +patch pull_requests: +18431 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19075 ___ Python tracker ___

[issue40014] os.getgrouplist can raise OSError during the Display build info

Dong-hee Na added the comment: or adding might be great just like getpwuid -- ___ Python tracker ___ ___ Python-bugs-list mailing

[issue40014] os.getgrouplist can raise OSError during the Display build info

New submission from Dong-hee Na : example: https://github.com/python/cpython/pull/19073/checks?check_run_id=519539592 I suggest to not to add information for os.getgrouplist if the OSError is raised. -- components: Tests messages: 364607 nosy: corona10, vstinner priority: normal

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Change by Eric V. Smith : -- nosy: +tekknolagi ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue27307] string.Formatter does not support key/attribute access on unnumbered fields

Change by Eric V. Smith : -- versions: +Python 3.7, Python 3.8, Python 3.9 -Python 3.5, Python 3.6 ___ Python tracker ___ ___

[issue39985] str.format and string.Formatter subscript behaviors diverge

Eric V. Smith added the comment: In fact, this is a duplicate of issue27307, so I'm going to close this. -- resolution: -> duplicate stage: patch review -> resolved status: open -> closed superseder: -> string.Formatter does not support key/attribute access on unnumbered fields

[issue1635741] Py_Finalize() doesn't clear all Python objects at exit

Change by Dong-hee Na : -- pull_requests: +18430 pull_request: https://github.com/python/cpython/pull/19074 ___ Python tracker ___

[issue39107] Upgrade tcl/tk to 8.6.10 (Windows and maxOS)

szb512 added the comment: I'll update my PR to include some changes for windows. -- nosy: +alittleman512 ___ Python tracker ___

[issue38377] test_asyncio.test_events.GetEventLoopTestsMixin.test_get_event_loop_new_process mixin breaks in the Unix environment without working /dev/shm

Change by Matej Cepl : -- pull_requests: +18428 pull_request: https://github.com/python/cpython/pull/19073 ___ Python tracker ___

[issue33327] Add a method to move messages to IMAPlib

Change by Matej Cepl : -- keywords: +patch pull_requests: +18427 stage: test needed -> patch review pull_request: https://github.com/python/cpython/pull/19072 ___ Python tracker

[issue1635741] Py_Finalize() doesn't clear all Python objects at exit

Change by Dong-hee Na : -- pull_requests: +18426 pull_request: https://github.com/python/cpython/pull/19071 ___ Python tracker ___

[issue39985] str.format and string.Formatter subscript behaviors diverge

Eric V. Smith added the comment: Can you see if the patch in issue27307 solves your problem? -- ___ Python tracker ___ ___

[issue40012] Avoid Python 2 documentation to appear in Web search results

Change by Karthikeyan Singaravelan : -- nosy: +mdk ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue39576] Surprising MemoryError in `decimal` with MAX_PREC

Stefan Krah added the comment: The lower MAX_PREC for 32-bit could be the reason. On the other hand, historically, suncc and xlc have had a lot of problems with the 64-bit build. The winner is suncc, which seriously miscompiled libmpdec without a whole litany of flags:

[issue40000] Improve AST validation for Constant nodes

Change by Batuhan Taskaya : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue39562] Asynchronous comprehensions don't work in asyncio REPL

Change by Batuhan Taskaya : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue39562] Asynchronous comprehensions don't work in asyncio REPL

miss-islington added the comment: New changeset ec8a973f7cf080d9c0679f058b2371f0b7c7862c by Miss Islington (bot) in branch '3.8': bpo-39562: Allow executing asynchronous comprehensions in the asyncio REPL (GH-18968)

[issue39562] Asynchronous comprehensions don't work in asyncio REPL

Change by miss-islington : -- nosy: +miss-islington nosy_count: 6.0 -> 7.0 pull_requests: +18425 pull_request: https://github.com/python/cpython/pull/19070 ___ Python tracker

[issue39562] Asynchronous comprehensions don't work in asyncio REPL

Pablo Galindo Salgado added the comment: New changeset 9052f7a41b90f2d34011c8da68f9a4facebc8a97 by Batuhan Taşkaya in branch 'master': bpo-39562: Allow executing asynchronous comprehensions in the asyncio REPL (GH-18968)

[issue40000] Improve AST validation for Constant nodes

Pablo Galindo Salgado added the comment: New changeset 0ac59f93c0e3f91fd994d7245578cce65654fb22 by Batuhan Taşkaya in branch 'master': bpo-4: Improve error messages when validating invalid ast.Constant nodes (GH-19055)

[issue39656] shebanged scripts can escape from `venv` depending on how it was created

Change by Vinay Sajip : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___ ___

[issue39337] codecs.lookup() ignores non-ASCII characters, whereas encodings.normalize_encoding() copies them

Change by hai shi : -- pull_requests: +18424 pull_request: https://github.com/python/cpython/pull/19069 ___ Python tracker ___ ___

[issue1635741] Py_Finalize() doesn't clear all Python objects at exit

Change by hai shi : -- pull_requests: +18423 pull_request: https://github.com/python/cpython/pull/19069 ___ Python tracker ___

[issue40013] CSV DictReader parameter documentation

New submission from Moshe Sambol : The csv.DictReader constructor takes two optional parameters, restkey and restval. restkey is documented well, but restval is not: "If a row has more fields than fieldnames, the remaining data is put in a list and stored with the fieldname specified by

[issue31046] ensurepip does not honour the value of $(prefix)

Change by Matej Cepl : -- pull_requests: +18422 pull_request: https://github.com/python/cpython/pull/19068 ___ Python tracker ___

[issue40012] Avoid Python 2 documentation to appear in Web search results

New submission from Peter Bittner : Currently, when you do a Web search (e.g. using Google, Bing, Yahoo!, DuckDuckGo, et al.) for a Python module or function call you'll find a link to the related Python 2 documentation first. How to reproduce: 1. Search for simply "os.environ" in your

[issue40005] Getting different result in python 2.7 and 3.7.

Bharat Solanki added the comment: Hi Tim, Thank you for clearing that up. I ran the same code in 2.7 and 3.7 on Windows, Its showing the same error. Yes, Its running in Linux-y systems. It depends on OS. Regards, Bharat On Thu, Mar 19, 2020 at 2:25 AM Tim Peters wrote: > > Tim Peters

[issue40007] An attempt to make asyncio.transport.writelines (selector) use Scatter I/O

tzickel added the comment: BTW, if wanted a much more simpler PR can be made, where writelines simply calls sendmsg on the input if no buffer exists, and if not only then concats and acts like the current code base. -- ___ Python tracker

[issue39974] A race condition with GIL releasing exists in stringlib_bytes_join

Bruce Merry added the comment: +tzickel I'd suggest reading the discussion in issue 36051, and maybe raising a new issue about it if you still have concerns. In short, dropping the GIL in more bytes.join cases wouldn't necessarily be wrong, but it might break code that made the assumption