[issue42901] [Enum] move member creation to __set_name__ in order to support __init_subclass__

Ethan Furman added the comment: New changeset c314e60388282d9829762fb6c30b12e2807caa19 by Ethan Furman in branch 'master': bpo-42901: [Enum] move member creation to `__set_name__` (GH-24196) https://github.com/python/cpython/commit/c314e60388282d9829762fb6c30b12e2807caa19 --

[issue42921] Inferred Optional type of wrapper function arguments

New submission from Joseph Perez : `typing.get_type_hints` gives a different result for a wrapper created with `functools.wraps` in case of inferred `Optional` arguments (when the default value of the argument is None) ```python from functools import wraps from typing import get_type_hints

[issue42915] enum.Flag ~ bitwise negation is very slow and can't be defined as a Flag value

Ethan Furman added the comment: I just finished a rewrite of Flag for 3.10. Using your test below I was able to tweak the rewrite so the final numbers are: Took normal 0.148092 seconds. Took cached 0.017438 seconds. Your original post had a ratio of nearly 200 -- it is now 8.7ish.

[issue42918] Nested multi-line expression will lead to "compile()" fails

Xinmeng Xia added the comment: For sure! As soon as we validate this technique, we will open source it on GitHub. -- ___ Python tracker ___

[issue42920] How to add end_lineno in pyclbr?

New submission from Aviral Srivastava : I created a PR a year ago, https://github.com/python/cpython/pull/16466/files, and now the source code is completely changed. How do I create another PR or if there is another way through which I can get an end line for each object (class and function)

[issue42918] Nested multi-line expression will lead to "compile()" fails

Guido van Rossum added the comment: It’s good work! Is it open source? -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42918] Nested multi-line expression will lead to "compile()" fails

Xinmeng Xia added the comment: The bytecode of c is as following: 0 LOAD_CONST 0 (1) 2 STORE_NAME 0 (d) 4 LOAD_CONST 1 (None) 6 RETURN_VALUE === Yes,

[issue42918] Nested multi-line expression will lead to "compile()" fails

Guido van Rossum added the comment: What does the bytecode for c in program 2 look like? Also, how do you find all these bugs? Are you developing a new fuzzier? -- nosy: +gvanrossum ___ Python tracker

[issue42918] Nested multi-line expression will lead to "compile()" fails

Change by Guido van Rossum : -- nosy: +lys.nikolaou ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42919] Blank in multiline “if expressions” will lead to EOF errors

Change by Guido van Rossum : -- nosy: +lys.nikolaou ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42913] asyncio.ProactorEventLoop mishandles signal wakeup file descriptor

Guido van Rossum added the comment: Looks this was not tested or thought through with multiple loops and signals (admittedly, using signals is never fun, and even less so on Windows). Can you send a PR with a fix? -- nosy: +gvanrossum ___ Python

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

Change by Dong-hee Na : -- pull_requests: +23031 pull_request: https://github.com/python/cpython/pull/24205 ___ Python tracker ___

[issue21895] signal.pause() and signal handlers don't react to SIGCHLD in non-main thread

Guido van Rossum added the comment: When I removed myself from the nosy list I did mean to stop working on this bug, just that I am unlikely to be of any help. :-) -- nosy: +gvanrossum ___ Python tracker

[issue42918] Nested multi-line expression will lead to "compile()" fails

Change by Xinmeng Xia : -- components: +Interpreter Core ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42919] Blank in multiline “if expressions” will lead to EOF errors

New submission from Xinmeng Xia : In build-in function compile() of mode 'single', single statement can be well compiled. (see program 1 and program 2). However, if we leave 4 blank spaces before the end of triple-quotation mark of "if expression",(see program 3), The parser will raise

[issue42918] Nested multi-line expression will lead to "compile()" fails

New submission from Xinmeng Xia : For build-in function compile() in mode 'single', only single statement can be well compiled. If we compile multiple statements, the parser will raise a syntaxError. Seeing the following two programs, In program 1, 2 statement are compiled. So the parser

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Josh Rosenberg added the comment: Gregory: Even in a low-level compiled language (say, C++), pretty sure the compiler can't automatically optimize out: if (x) { } unless it has sure knowledge of the implementation of operator bool; if operator bool's implementation isn't in the header

[issue15373] copy.copy() does not properly copy os.environment

Josh Rosenberg added the comment: Would we remove the functionality of os.environ.copy()? It seems very odd for types to have a .copy() method that works, while not supporting copy.copy, especially when there is zero documentation, on the web or the docstring, to even hint at the

[issue42915] enum.Flag ~ bitwise negation is very slow and can't be defined as a Flag value

Change by Guido van Rossum : -- nosy: +ethan.furman ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42914] pprint numbers with underscore

Raymond Hettinger added the comment: > It would be nice if pprint learned to insert underscores in long numbers +1 but I would make this optional. > Here is an implementation of the safe repr for numbers if helpful I suggest using the existing string formatting tools as a foundation

[issue42917] Block stack size for frame objects should be dynamically sizable

Change by Roundup Robot : -- keywords: +patch nosy: +python-dev nosy_count: 1.0 -> 2.0 pull_requests: +23029 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24204 ___ Python tracker

[issue42917] Block stack size for frame objects should be dynamically sizable

New submission from Thomas Anderson : Currently the block stack size is hardcoded to 20. Similar to how the value stack is dynamically sizable, we should make the block stack dynamically sizable. This will reduce space on average (since the typical number of blocks for a function is well

[issue42848] asyncio produces an unexpected traceback with recursive __getattribute__

Guido van Rossum added the comment: Will be fixed in 3.10. I prefer not to backport the solution (Irit, do you agree?) -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue42916] Support for DICOM image file format in imghdr module

New submission from Charles Law : DICOM is a file format used frequently in medical imaging (it is also a communications protocol). It has been used since the 80's, and is still widely used by modern medical equipment. It has a well defined format:

[issue42800] Traceback objects allow accessing frame objects without triggering audit hooks

STINNER Victor added the comment: Aaaah, PR 24182 doesn't add a hook to object.__getattr__, but to the C getter functions on traceback and frame. That sounds more acceptable to me :-) These operations are uncommon and should not be part of "hot code" (critical for performance) unless you're

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

STINNER Victor added the comment: > In GH-23598, PyModule_AddObjectRef was added as EXPORT_DATA. Shouldn't it be > EXPORT_FUNC? Oh, I didn't notice that there was EXPORT_DATA. Right, EXPORT_FUNC must be used. -- ___ Python tracker

[issue41036] Visit the type of instance of heap types if tp_traverse is not implemented

STINNER Victor added the comment: I created a thread on python-dev: "Heap types (PyType_FromSpec) must fully implement the GC protocol" https://mail.python.org/archives/list/python-...@python.org/thread/C4ILXGPKBJQYUN5YDMTJOEOX7RHOD4S3/ -- ___

[issue42914] pprint numbers with underscore

Felipe added the comment: Here is an implementation of the safe repr for numbers if helpful: ``` def safe_repr_int(object): sign = '' if object < 0: sign = '-' object = -object r = repr(object) if len(r) <= 4: return sign + r parts = [sign]

[issue25988] collections.abc.Indexable

STINNER Victor added the comment: New changeset c47c78b878ff617164b2b94ff711a6103e781753 by Hugo van Kemenade in branch 'master': bpo-37324: Remove ABC aliases from collections (GH-23754) https://github.com/python/cpython/commit/c47c78b878ff617164b2b94ff711a6103e781753 --

[issue42915] enum.Flag ~ bitwise negation is very slow and can't be defined as a Flag value

New submission from Kevin Chen : Here's a code sample: ``` import time from enum import Flag, auto class MyFlag(Flag): NONE = 0 FLAG_1 = auto() FLAG_2 = auto() FLAG_3 = auto() FLAG_4 = auto() FLAG_5 = auto() FLAG_6 = auto() # # NOT_FLAG_1_OR_2 = ~FLAG_1 &

[issue42862] Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module

Change by Erlend Egeberg Aasland : -- pull_requests: +23028 pull_request: https://github.com/python/cpython/pull/24203 ___ Python tracker ___

[issue42914] pprint numbers with underscore

New submission from Felipe : It would be nice if pprint learned to insert underscores in long numbers Current behavior: >>> pprint.pprint(int(1e9)) 10 Desired behavior >>> pprint.pprint(int(1e9)) 1_000_000_000 Wikipedia tells me that "groups of 3" is the international standard to

[issue37324] collections: remove deprecated aliases to ABC classes

STINNER Victor added the comment: New changeset c47c78b878ff617164b2b94ff711a6103e781753 by Hugo van Kemenade in branch 'master': bpo-37324: Remove ABC aliases from collections (GH-23754) https://github.com/python/cpython/commit/c47c78b878ff617164b2b94ff711a6103e781753 --

[issue42848] asyncio produces an unexpected traceback with recursive __getattribute__

Guido van Rossum added the comment: New changeset 6dfd1734f5b230bb8fbd2a9df806c1333b6652a8 by Irit Katriel in branch 'master': bpo-42848: remove recursion from TracebackException (GH-24158) https://github.com/python/cpython/commit/6dfd1734f5b230bb8fbd2a9df806c1333b6652a8 --

[issue42913] asyncio.ProactorEventLoop mishandles signal wakeup file descriptor

New submission from Michel Hidalgo : asyncio.ProactorEventLoop uses a socket.socketpair and signal.set_wakeup_fd to wake up a loop that's polling I/O. However it does so with no consideration for file descriptors previously set (i.e. no signal number forwarding). Either by user code or by

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

Petr Viktorin added the comment: In GH-23598, PyModule_AddObjectRef was added as EXPORT_DATA. Shouldn't it be EXPORT_FUNC? -- ___ Python tracker ___

[issue42912] enum.Flag ~ bitwise negation is very slow

New submission from Kevin Chen : Ignore this, opened issue by accident -- stage: -> resolved status: open -> closed ___ Python tracker ___

[issue42912] enum.Flag ~ bitwise negation is very slow

Change by Kevin Chen : -- nosy: aspin2 priority: normal severity: normal status: open title: enum.Flag ~ bitwise negation is very slow versions: Python 3.8 ___ Python tracker

[issue42862] Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module

Erlend Egeberg Aasland added the comment: > I do not like using _functools._lru_cache_wrapper. It is a deep > implementation detail, private function of private module. Use > functools.lru_cache. All right, thanks. -- ___ Python tracker

[issue42911] Addition chains for pow saves 10 % time!

Change by Serhiy Storchaka : -- nosy: +serhiy.storchaka ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42911] Addition chains for pow saves 10 % time!

Jurjen N.E. Bos added the comment: Some more information for the interested: The algorithm I made tries to smoothly change the"chunk size" with growing length of the exponent. So the exponents that win the most (up to 14% fewer multiplication) are the long exponents that are just shorter

[issue15373] copy.copy() does not properly copy os.environment

Change by Irit Katriel : -- components: +Library (Lib) versions: +Python 3.10 -Python 3.7 ___ Python tracker ___ ___

[issue42906] python3 -m doctest test.py tests the stdlib "time" module instead

Guido van Rossum added the comment: Whoops, I meant export PYTHONPATH=. -- ___ Python tracker ___ ___ Python-bugs-list mailing

[issue42906] python3 -m doctest test.py tests the stdlib "time" module instead

Guido van Rossum added the comment: Sorry, this is not a bug. The builtin time module takes precedence in this case because the current directory is not put at the front of the module search path (sys.path). As a workaround you could exportPYTHONPATH=. -- nosy: +gvanrossum

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

miss-islington added the comment: New changeset 0f66498fd8ee8644be6df963b86a1523f6069ddd by Paul Ganssle in branch 'master': bpo-42874: Remove grep -qE options for Solaris 10 compatibility (GH-24200) https://github.com/python/cpython/commit/0f66498fd8ee8644be6df963b86a1523f6069ddd

[issue41620] Python Unittest does not return results object when the test is skipped

Irit Katriel added the comment: The justification on the PR is: "The problem is that when I'm trying to collect test results if one of the tests is being skipped the error below pops up because test_result object is None. AttributeError: 'NoneType' object has no attribute 'testsRun'"

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Guido van Rossum added the comment: Hm, I hadn't realized the issue of bool(a) being evaluated once or twice. The most important side effect that bool(a) can have is raising (as e.g. numpy arrays do), not producing random results. Another important side effect might be loading some value

[issue33066] raise an exception from multiple positions break the traceback frames

Irit Katriel added the comment: See this documentation of with_traceback() regarding an API to set the traceback on an exception object. https://docs.python.org/3/library/exceptions.html#BaseException.with_traceback -- resolution: -> not a bug stage: -> resolved status: open ->

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Gregory P. Smith added the comment: If the body of a conditional does nothing, it seems fine to optimize the condition out to me. But I see code from a low level compiled language perspective where that is clearly what would happen. In reality, who ever meaningfully writes code where the

[issue42902] a python embedded program may load "C:\Lib\os.py" on windows system

STINNER Victor added the comment: Hum. The code in Python 3.8 is complicated. When Py_SetPath() is called, Python starts by computing the Python Path Configuration because of: /* Getting the program full path calls pathconfig_global_init() */ wchar_t *program_full_path =

[issue42902] a python embedded program may load "C:\Lib\os.py" on windows system

Eryk Sun added the comment: > I still don't understand if the issue involves Py_SetPath() or not. It seems to me that this issue is concerned with the default behavior that looks for the "lib/os.py" landmark via search_for_prefix() in PC/getpathp.c. Starting at the image path, it searches

[issue42843] What min_sphinx for Python 3.10

STINNER Victor added the comment: There is a PPA on Ubuntu for Python 3.10. The PPA maintainer considers the drop the documentation, see discussion at: https://github.com/python/cpython/pull/23620#issuecomment-755423140 -- ___ Python tracker

[issue42843] What min_sphinx for Python 3.10

Change by STINNER Victor : -- versions: +Python 3.10 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Mark Shannon added the comment: > How do we know `x` is falsey without calling `bool()` on it? We don't, but in `if x: pass`, it doesn't matter. Discounting side-effects in __bool__, the code does nothing regardless of the value of `x`. -- ___

[issue42843] What min_sphinx for Python 3.10

STINNER Victor added the comment: * Fedora 33 (stable) ships python3-sphinx 3.2.1-1 and python3.10 version 3.10.0~a3-1 (the alpha4 is under tests). * Debian Buster (stable) ships python3-sphinx 1.8.4-1 and python3 version 3.7.3-1 * Debian Sid (unstable) ships python3-sphinx 3.4.3-1 and

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Mark Shannon added the comment: It's clearer if you rewrite if a and b: ... as tmp = a and b if tmp: ... if a is falsey then bool(a) gets called in `tmp = a and b` and `a` is assigned to `tmp`. Then in `if tmp`, bool(a) is called again. I agree with you about it not being an

[issue41116] build on macOS 11 (beta) does not find system-supplied third-party libraries

seb added the comment: I tried that before, also with your command, without success. I saw that the CFLAGS includes weren't forwarded to the compiler - I don't know if that is only an issue here on my system. So instead I modified the setup.py and added the directory manually. It now works.

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Ethan Furman added the comment: If an optimization changes semantics it's not an optimization. In `if x: pass` how do we know `x` is falsely without calling `bool()` on it? --- On a slightly different note, in the code: if a and b: ... why is `bool(a)` called twice?

[issue42843] What min_sphinx for Python 3.10

STINNER Victor added the comment: Ah, the issue is also being discussed in PR 24142 comments. -- ___ Python tracker ___ ___

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Change by Mark Shannon : -- priority: normal -> release blocker ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Mark Shannon added the comment: They aren't quite the same. If `a` is falsey, and bool(a) has a side-effect, then that side-effect should occur twice in: if a and b: ... but only once in if a: if b: ... It gets more interesting (silly), if `a.__bool__()` alternated between

[issue42889] Incorrect behavior of Python parser after ast node of test program being modified

Guido van Rossum added the comment: Yeah, there's supposed to be a checker. -- nosy: +lys.nikolaou, serhiy.storchaka ___ Python tracker ___

[issue42911] Addition chains for pow saves 10 % time!

Change by Guido van Rossum : -- nosy: +mark.dickinson, tim.peters ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Guido van Rossum added the comment: Can we translate 'if x: pass' into 'pass'? No, because calling its __bool__ method may have a side effect (as we saw at the start of this thread). Can we eliminate a lone 'x'? Only if it's a local variable and we're *sure* (because of control flow

[issue24650] Error in yield expression documentation

Change by Irit Katriel : -- keywords: +easy versions: +Python 3.10 -Python 3.3, Python 3.4, Python 3.5, Python 3.6 ___ Python tracker ___

[issue42908] Incorrect line numbers at end of try-except and with statements containing if False: pass

Change by Mark Shannon : -- keywords: +patch pull_requests: +23027 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24202 ___ Python tracker ___

[issue42910] Wrong code appears in the type alias introduction

Change by Casuall : -- stage: -> resolved status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Martin Wheatley added the comment: I'll do the test it happens with a plain ./configure Many thanks Martin On Tue, 12 Jan 2021 at 15:11, Paul Ganssle wrote: > > Paul Ganssle added the comment: > > This particular grep statement is used to validate the `tzpath` variable. > Apparently it

[issue42910] Wrong code appears in the type alias introduction

Casuall added the comment: I am using python3.8, it turned out to be a version issue, sorry --原始邮件-- 发件人: "Python tracker"

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Martin Wheatley added the comment: I'll do the test it happens with a plain ./configure Many thanks Martin On Tue, 12 Jan 2021 at 15:11, Paul Ganssle wrote: > > Paul Ganssle added the comment: > > This particular grep statement is used to validate the `tzpath` variable. > Apparently it

[issue42903] optimize lru_cache for functions with no arguments

Eugene Toder added the comment: @cache does not address the problem or any of the concerns brought up in the thread. Thread-safe @once is a nice idea, but more work of course. -- ___ Python tracker

[issue42904] get_type_hints does not provide localns for classes

Change by Ken Jin : -- keywords: +patch pull_requests: +23026 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24201 ___ Python tracker ___

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Paul Ganssle added the comment: This particular grep statement is used to validate the `tzpath` variable. Apparently it is easy enough to achieve what I was going for using vanilla grep with no options, so I've created GH-24200 to fix the issue. I notice that there are other uses of `-q`

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Change by Paul Ganssle : -- keywords: +patch pull_requests: +23025 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24200 ___ Python tracker ___

[issue42843] What min_sphinx for Python 3.10

STINNER Victor added the comment: > Some distribs may want/need to ship Python 3.10 along with Sphinx 2? In my experience, Linux distributions prefer to only ship a single Sphinx version. The question is more which Linux distributions are stuck at Sphinx 2 only? If there is a short list of

[issue42911] Addition chains for pow saves 10 % time!

New submission from Jurjen N.E. Bos : When looking at the code of pow() with integer exponent, I noticed there is a hard boundary between the binary and "fiveary" (actually 32-ary) computations. Also, the fiveary wasn't really optimal. So I wrote a proof of concept version of long_pow that

[issue42910] Wrong code appears in the type alias introduction

Serhiy Storchaka added the comment: What version of Python did you use? This is a documentation for Python 3.9. -- nosy: +serhiy.storchaka ___ Python tracker ___

[issue41994] Refcount issues in import

Serhiy Storchaka added the comment: Thank you Petr! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Serhiy Storchaka added the comment: For the latter, it was decided that it is legal a long time ago. It has a benefit and we did not have any complains for all these years. The absent of this optimization would encourage writing less readable code for performance. For the former, what is

[issue40052] Incorrect pointer alignment in _PyVectorcall_Function() of cpython/abstract.h

Petr Viktorin added the comment: New changeset 187f76def8a5bd0af7ab512575cad30cfe624b05 by Petr Viktorin in branch '3.8': [3.8] bpo-40052: Fix alignment issue in PyVectorcall_Function() (GH-23999) (GH-24120) https://github.com/python/cpython/commit/187f76def8a5bd0af7ab512575cad30cfe624b05

[issue42910] Wrong code appears in the type alias introduction

New submission from Casuall : I learned about type aliases on the page（https://docs.python.org/3/library/typing.html）, and I found that following the code (Vector = list[float])in the tutorial, an error occurred (NameError: name 'typing' is not defined) when running. The following code has

[issue41994] Refcount issues in import

Petr Viktorin added the comment: New changeset 4db8988420e0a122d617df741381b0c385af032c by Serhiy Storchaka in branch 'master': bpo-41994: Fix refcount issues in Python/import.c (GH-22632) https://github.com/python/cpython/commit/4db8988420e0a122d617df741381b0c385af032c -- nosy:

[issue42899] Is it legal to eliminate tests of a value, when that test has no effect on control flow?

Mark Shannon added the comment: The question still stands. Is converting `if x: pass` to `pass` legal? And, if it is not, is converting if a and b: body to if a: if b: body a legal transformation? (ignoring line numbers) If the first transformation is not allowed but

[issue16615] gcc 4.7 unused-but-set warnings

STINNER Victor added the comment: We are now dealing with GCC 11 warnings, I close this issue. Moreover, the GCC warnings are not mentioned. -- nosy: +vstinner resolution: -> out of date stage: -> resolved status: pending -> closed ___ Python

[issue16615] gcc 4.7 unused-but-set warnings

Irit Katriel added the comment: Is this about the pre-version 3.3 warnings? If so it can be closed. -- nosy: +iritkatriel status: open -> pending ___ Python tracker ___

[issue25077] Compiler warnings: initialization from incompatible pointer type

Irit Katriel added the comment: Issues 22038 and 23085 seem to have fixed all these warnings between them. -- nosy: +iritkatriel resolution: -> out of date stage: -> resolved status: open -> closed ___ Python tracker

[issue28937] str.split(): allow removing empty strings (when sep is not None)

Change by Dong-hee Na : -- nosy: +corona10 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42843] What min_sphinx for Python 3.10

Change by Dong-hee Na : -- nosy: +corona10, vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42909] Email header with ; ; ; ; stuffing takes very long to parse

robin added the comment: python -mtrace -t repro.py reveals a long string of these: --- modulename: errors, funcname: __init__ errors.py(85): super().__init__(*args, **kw) --- modulename: errors, funcname: __init__ errors.py(37): if line is not None: errors.py(38):

[issue11021] email MIME-Version headers for each part in multipart message

robin added the comment: Propose to close as duplicate of https://bugs.python.org/issue25235 -- nosy: +eriker ___ Python tracker ___

[issue25235] EmailMessage.add_attachment() creates parts with spurious MIME-Version header.

robin added the comment: Duplicate of https://bugs.python.org/issue11021 but this one is more current and has a patch. -- nosy: +eriker ___ Python tracker ___

[issue42862] Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module

Serhiy Storchaka added the comment: I do not like using _functools._lru_cache_wrapper. It is a deep implementation detail, private function of private module. Use functools.lru_cache. If it is few nanoseconds slower, that cost is only added at connection creation time. It is insignificant

[issue42880] ctypes: variadic function call still doesn't work on Apple Silicon

Change by Ronald Oussoren : -- assignee: -> docs@python components: +Documentation nosy: +docs@python ___ Python tracker ___ ___

[issue42880] ctypes: variadic function call still doesn't work on Apple Silicon

Ronald Oussoren added the comment: I agree that this should be mentioned in the documentation for ctypes. -- ___ Python tracker ___

[issue42905] Issue while installing numba inside fastparquet

Serhiy Storchaka added the comment: Neither numba nor fastparquet are parts of the standard Python library. Please use corresponding bug trackers. -- nosy: +serhiy.storchaka resolution: -> third party stage: -> resolved status: open -> closed

[issue42905] Issue while installing numba inside fastparquet

Steve Stagg added the comment: Hi Sachit I see you raised this issue with the numba library here: https://github.com/numba/numba/issues/6630 I would recommend sticking with the numba issue unless they can confirm there is an issue with core python -- nosy: +stestagg

[issue42909] Email header with ; ; ; ; stuffing takes very long to parse

New submission from robin : Attached please find a script which takes on the order of 1 minute to parse even though the embedded message is reasonably trivial. The main flaw is that the Content-Type: header has a long string of redundant which is something some spammers apparently use

[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

Julien Palard added the comment: Question: Why do we keep setuptools? According to PEP453: > Once pip is able to run pip install --upgrade pip without needing setuptools > installed first, then the private copy of setuptools will be removed from > ensurepip in subsequent CPython releases.

[issue42862] Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module

Erlend Egeberg Aasland added the comment: True that :) I'll close GH-24135 for now and open a PR for this later today. -- ___ Python tracker ___

[issue42862] Use functools.lru_cache iso. _sqlite.Cache in sqlite3 module

Berker Peksag added the comment: We can always reopen GH-24135 and merge it even if we revert this one for some reason :) -- ___ Python tracker ___

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