[issue39672] SIGSEGV crash on shutdown with shelve & c pickle

zd nex added the comment: Hello, so I was trying to figure out where actually is problem is. As I do not think it is in shelve itself. So I have made different method for __setitem__ on shelve and I have found that it is actually in pickle.dump > Here is code which I have used def __setite

[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 li

[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 lis2.insert(lislen,i)#将列表2的第10(lislen)

[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 list

[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 lis

[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 l

[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 enough,

[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 dereferenc

[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 inf

[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 tr

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

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

[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 "/home/benjami

[issue40017] Please support CLOCK_TAI in the time module.

Change by STINNER Victor : -- nosy: +vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.py

[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 p

[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 offer

[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. https://github.com/python/cpython/pul

[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 suggesti

[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 Unsubsc

[issue33327] Add a method to move messages to IMAPlib

Change by STINNER Victor : -- nosy: -vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.p

[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 trac

[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 ___ ___ Python-

[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: https://mai

[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: -> resolv

[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 ___ ___ P

[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: https://github.com/python/cpython/blob/da1fe768e582387212201ab8737a1a5f2611

[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', version='Darw

[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 sever

[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: https://mail.p

[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 ___ ___ Python

[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 ___ ___ Python-b

[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: https://ma

[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: https://bugs.python.org

[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) https://github.com/python/cpython/commit/ec8a973f7cf080d9c0679f058b2371f0b7c

[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) https://github.com/python/cpython/commit/9052f7a41b90f2d34011c8da68f9a4f

[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) https://github.com/python/cpython/commit/0ac59f93c0e3f91fd994d7245578c

[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 ___ ___ P

[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 ___ ___ P

[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 restk

[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 favor