[issue37863] Speed up hash(fractions.Fraction)

Tim Peters added the comment: Some random notes: - 1425089352415399815 appears to be derived from using the golden ratio to contrive a worst case for the Euclid egcd method. Which it's good at :-) Even so, the current code runs well over twice as fast as when replacing the pow(that, -1,

[issue16468] argparse only supports iterable choices

Brendan Barnwell added the comment: This issue has sat idle for six years. Meanwhile, the docs are still incorrect, giving every user wrong information about how the module works. Can we consider just changing the documentation instead of worrying about what the behavior should be or what

[issue16697] argparse kwarg 'choices' documentation

Brendan Barnwell added the comment: This issue has sat idle for six years. Meanwhile, the docs are still incorrect, giving every user wrong information about how the module works. Can we consider just changing the documentation instead of worrying about what the behavior should be or what

[issue16468] argparse only supports iterable choices

Brendan Barnwell added the comment: https://bugs.python.org/issue16468 -- nosy: +BrenBarn versions: +Python 3.7 ___ Python tracker ___

[issue37868] `is_dataclass` returns `True` if `getattr` always succeeds.

Change by Eric V. Smith : -- keywords: +patch pull_requests: +15042 stage: -> patch review pull_request: https://github.com/python/cpython/pull/15325 ___ Python tracker ___

[issue25299] TypeError: __init__() takes at least 4 arguments (4 given)

Joannah Nanjekye added the comment: Opened issue37880 to track this change. -- ___ Python tracker ___ ___ Python-bugs-list mailing

[issue37880] For argparse add_argument with action='store_const', const should default to None.

New submission from Joannah Nanjekye : Currently, when `parser.add_argument()` is given argument with `action='store_const'` and no `const` argument , it throws an exception : >>> from argparse import ArgumentParser >>> parser = ArgumentParser() >>> parser.add_argument("--foo",

[issue25299] TypeError: __init__() takes at least 4 arguments (4 given)

Joannah Nanjekye added the comment: Since both the docs and implementation now match, I suggest we close this and open a new issue suggesting to change the implementation back to make const=None when action='store_const'. -- stage: needs patch -> resolved

[issue37552] [Windows] strptime/strftime return invalid results with UCRT version 17763.615

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

[issue37664] Update bundled pip and setuptools

Steve Dower added the comment: Is pip 19.2.2 worth taking? Or are we expecting another patch this week? -- ___ Python tracker ___

[issue32910] venv: Deactivate.ps1 is not created when Activate.ps1 was used

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

[issue37641] Embeddable distribution pyc filenames show build machine location

Change by Steve Dower : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed versions: -Python 3.5, Python 3.6, Python 3.7 ___ Python tracker ___

[issue36266] Which module could not be found?

miss-islington added the comment: New changeset 786a4e1cef3eda8f434613d3801a5c7565fb5cd8 by Miss Islington (bot) in branch '3.8': bpo-36266: Add module name in ImportError when DLL not found on Windows (GH-15180)

[issue36670] test suite broken due to cpu usage feature on win 10/ german

Change by Steve Dower : -- keywords: +easy, newcomer friendly ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36266] Which module could not be found?

Steve Dower added the comment: Thanks for the contribution! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue36266] Which module could not be found?

Change by miss-islington : -- pull_requests: +15041 pull_request: https://github.com/python/cpython/pull/15324 ___ Python tracker ___

[issue37734] Registry keys for Windows Store package have wrong executable

Change by Steve Dower : -- resolution: -> fixed stage: commit review -> resolved status: open -> closed ___ Python tracker ___ ___

[issue36266] Which module could not be found?

Steve Dower added the comment: New changeset 24fe46081be3d1c01b3d21cb39bc3492ab4485a3 by Steve Dower (shireenrao) in branch 'master': bpo-36266: Add module name in ImportError when DLL not found on Windows (GH-15180)

[issue37879] Segfaults in C heap type subclasses

Change by Eddie Elizondo : -- keywords: +patch pull_requests: +15040 stage: -> patch review pull_request: https://github.com/python/cpython/pull/15323 ___ Python tracker ___

[issue37879] Segfaults in C heap type subclasses

New submission from Eddie Elizondo : `subtype_dealloc` is not correctly handling the reference count of c heap type subclasses. It has some builtin assumptions which can result in the type getting its reference count decreased more that it needs to be, leading to its destruction when it

[issue37841] Python store app launcher has dependency on msvcp140.dll

Change by Steve Dower : -- status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue37869] Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1

Change by Hansraj Das : -- resolution: -> duplicate ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue37645] Replace PyEval_GetFuncName/PyEval_GetFuncDesc

Jeroen Demeyer added the comment: > I'm wary of "%S" used in error messages. Maybe you're misunderstanding something. The goal is not really to change error messages, only the way how they are produced. For example, we currently have >>> def f(): pass >>> f(**1) Traceback (most recent call

[issue37645] Replace PyEval_GetFuncName/PyEval_GetFuncDesc

Jeroen Demeyer added the comment: > I'm wary of making error messages depend on the str representation of a > function; that would prevent us from changing it later. Why wouldn't we be able to change anything? Typically, the exact string of an error message is NOT part of the API (the

[issue37754] alter size of segment using multiprocessing.shared_memory

Davin Potts added the comment: Attempts to alter the size of a shared memory segment are met with a variety of different, nuanced behaviors on systems we want to support. I agree that it would be valuable to be able to effectively realloc a shared memory segment, which thankfully the user

[issue37830] continue and break in finally with return in try results with segfault

Serhiy Storchaka added the comment: PR 15320 fixes a regression by changing the compiler. None is now always pushed on the stack before entering a try...finally block. The "return" statement with a non-constant value replaces it, so the stack is balanced. --

[issue37830] continue and break in finally with return in try results with segfault

Change by Serhiy Storchaka : -- keywords: +patch pull_requests: +15039 stage: -> patch review pull_request: https://github.com/python/cpython/pull/15320 ___ Python tracker

[issue37801] Compilation on MINGW64 fails (CODESET,wcstok,...)

Erik Janssens added the comment: fyi 1 : this issue pops up in multiple places, cfr : * bpo-35890 * bpo-20596 the selection of the wcstok function is based on MS_WINDOWS being defined, rather than eg. an autoconf check on which function is available. fyi 2 : I've been able to cross

[issue25299] TypeError: __init__() takes at least 4 arguments (4 given)

A. Skrobov added the comment: Joannah, I see that under #25314, the docs were updated to match the implementation: https://github.com/python/cpython/commit/b4912b8ed367e540ee060fe912f841cc764fd293 On the other hand, the discussion here (from 2015) and on #25314 (from 2016) includes

[issue37565] test_faulthandler: test_register_chain() crash with SIGSEGV (signal 11) on Skylake chipset

Bennet Fauber added the comment: It would appear that jshelly was correct and this is resolved by fixing the problem isolated in issue 21131, which was closed and a patch was committed. https://github.com/python/cpython/pull/15276 -- nosy: +justbennet

[issue37790] subprocess.Popen() is extremely slow

Antoine Pitrou added the comment: I don't seen any significant difference here (Ubuntu 18.04): $ time python2 sp.py 10.3433089256 real0m10,362s user0m6,565s sys 0m4,372s $ time python3 sp.py 11.746907234191895 real0m11,781s user0m7,356s sys 0m5,239s --

[issue36947] [Good first issue] Fix 3.3.3.1 Metaclasses Documentation

Change by Roundup Robot : -- keywords: +patch pull_requests: +15037 stage: -> patch review pull_request: https://github.com/python/cpython/pull/15319 ___ Python tracker ___

[issue37732] Possible uninitialized variable in Objects/obmalloc.c

Change by Hansraj Das : -- nosy: +hansrajdas ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: