[issue41586] Allow to set pipe size on subprocess.Popen.

New submission from Ruben Vorderman : Pipes block if reading from an empty pipe or when writing to a full pipe. When this happens the program waiting for the pipe still uses a lot of CPU cycles when waiting for the pipe to stop blocking. I found this while working with xopen. A library that

[issue41109] subclasses of pathlib.PurePosixPath never call __init__ or __new__

Change by Jeffrey Kintscher : -- keywords: +patch pull_requests: +21034 stage: -> patch review pull_request: https://github.com/python/cpython/pull/21920 ___ Python tracker

[issue41513] Scale by power of two in math.hypot()

Tim Peters added the comment: > That's about 0.50026 ulp too small - shocking ;-) Actually, that's an illusion due to the limited precision of Decimal. The rounded result is exactly 1/2 ulp away from the infinitely precise result - it's a nearest/even tie case. To make analysis

Re: Final statement from Steering Council on politically-charged commit messages

> On Aug 18, 2020, at 6:13 PM, Richard Damon wrote: > > On 8/18/20 7:34 PM, rmli...@riseup.net wrote: >> I would also caution against relying on the idea of human rights when >> defending against accusations of being political, since they too are >> political. Life is political. We continue to

Re: LittleRookie

actually for me to sign for any online courses like stanford etc... if it's needed any document i couldnt get in because i have none i'm from brazil :v anyway thank u guys ;) i will try find something -- https://mail.python.org/mailman/listinfo/python-list

Re: LittleRookie

<3 thank u guys i will try get better -- https://mail.python.org/mailman/listinfo/python-list

[issue41513] Scale by power of two in math.hypot()

Tim Peters added the comment: Here's a "correct rounding" fail for the add_on approach: xs = [16.004] * 9 decimal result = 48.01065814103642 which rounds to float 48.014 add_on result: 48.01 That's about 0.50026 ulp too small -

[issue31861] add aiter() and anext() functions to operator module

Dima Tisnek added the comment: Might as well re-target for 3.10 as 3.9 seems feature-complete now. -- versions: +Python 3.10 -Python 3.8 ___ Python tracker ___

[issue41577] Cannot use ProcessPoolExecutor if in a decorator?

Kyle Stanley added the comment: Due to the way pickle works, it's not presently possible to serialize wrapped functions directly, at least not in a way that allows you to pass it to executor.submit() within the inner function (AFAICT). I'm also not certain what it would involve to provide

[issue41541] [PATCH] Make pty.spawn set window size

Soumendra Ganguly added the comment: v0.5 had introduced minor mistakes + one hack [ was using master instead of slave to set window size ]. v0.6 removes all such mistakes. -- Added file: https://bugs.python.org/file49404/pty.diff ___ Python

Re:Re: why the connection set with “keep live” in urllib.request always set to be“closed, thanks

Thanks all, I had met this problem was when I did restapi test. I send a request by python script and the time processed by server very short, and another request send by postman, the time seems normal, I compare the diff between these two request, obvious difference is the connection, which

Re: Final statement from Steering Council on politically-charged commit messages

On 8/18/20 6:34 PM, rmli...@riseup.net wrote: > I would kindly recommend that folks just educate themselves on what Speaking of being educated ... Could you please do an exposition for all us ignorant types on the books that really animate your worldview: The_Origin of the Family, Private

Re: Final statement from Steering Council on politically-charged commit messages

On 8/18/20 6:34 PM, rmli...@riseup.net wrote: > I would kindly recommend that folks just educate themselves on what I would also like to help you become educated. Be sure to check out these literary treasures - they are the foundation of the worldview you are espousing: The_Origin of the

Re: Final statement from Steering Council on politically-charged commit messages

On 8/18/20 7:34 PM, rmli...@riseup.net wrote: > I would also caution against relying on the idea of human rights when > defending against accusations of being political, since they too are > political. Life is political. We continue to this day trying to > redefine, as a society, what human rights

Re: Final statement from Steering Council on politically-charged commit messages

Trafficking of people is a very current problem, and it is not a race issue, as people of all races are abducted by people of all races. Yes, right now. If you are so strong about ending that suffering, I suggest you focus on the present and stop wading in the past. On Tue, Aug 18, 2020 at 6:36

Re: Final statement from Steering Council on politically-charged commit messages

There are many reasons Elements is a terrible English style guide: https://www.pure.ed.ac.uk/ws/files/8520953/PULLUM_2010_The_land_of_the_free_and_the_elements_of_style.pdf I would kindly recommend that folks just educate themselves on what white supremacy is & how it continues in both subtle &

Re: LittleRookie

On 8/18/20 4:26 PM, Jamelaumn wrote: > i would say i'm new at programing i have a year of experience in python(but > i'm tottaly a noob) i guess i'm starting to learn SQL now.What should i do to > learn better and faster? The only way is to build something with it. Solve a problem with Python.

Re: LittleRookie

i would say i'm new at programing i have a year of experience in python(but i'm tottaly a noob) i guess i'm starting to learn SQL now.What should i do to learn better and faster? Enroll in the local college and start your journey there? Successfully finish it and get an internship. Follow with

Re: LittleRookie

Hi, On Tue, Aug 18, 2020, 5:32 PM Jamelaumn wrote: > i would say i'm new at programing i have a year of experience in > python(but i'm tottaly a noob) i guess i'm starting to learn SQL now.What > should i do to learn better and faster? > Enroll in the local college and start your journey

[issue23802] patch: __deepcopy__ memo dict argument usage

Change by Joannah Nanjekye : -- stage: patch review -> resolved status: open -> closed ___ Python tracker ___ ___ Python-bugs-list

LittleRookie

i would say i'm new at programing i have a year of experience in python(but i'm tottaly a noob) i guess i'm starting to learn SQL now.What should i do to learn better and faster? -- https://mail.python.org/mailman/listinfo/python-list

LittleRookie

i would say i'm new at programing i have a year of experience in python(but i'm tottaly a noob) i guess i'm starting to learn SQL now.What should i do to learn better and faster? -- https://mail.python.org/mailman/listinfo/python-list

[issue23802] patch: __deepcopy__ memo dict argument usage

Irit Katriel added the comment: This seems resolved, can it be closed? -- nosy: +iritkatriel ___ Python tracker ___ ___

[issue41483] Do not acquire lock in MemoryHandler.flush() if no target defined

Irit Katriel added the comment: I think it is unlikely that this change would make a measurable speedup (benchmarks would be needed to prove that it does). And even if it does, it's for the case where no target has been set, in which case the logger isn't doing anything anyway. Why is this

[issue39345] Py_Initialize Hangs on Windows 10

Steve Dower added the comment: Are you able to capture a process dump at the hang? I haven't seen this anywhere else, and don't even know how to go about trying to reproduce it with this information - Py_Initialize is called by every single Python process, so there's something special about

Re: Final statement from Steering Council on politically-charged commit messages

On Wed, Aug 19, 2020 at 7:11 AM Kyle Stanley wrote: > > On Mon, Aug 17, 2020 at 2:37 PM Chris Angelico wrote: >> >> Yes. I was hoping for "we should rewrite that commit", and would have >> been content with "we won't rewrite it, but we don't want that >> repeated". But the SC said that it is

Re: Final statement from Steering Council on politically-charged commit messages

On Mon, Aug 17, 2020 at 2:37 PM Chris Angelico wrote: > Yes. I was hoping for "we should rewrite that commit", and would have > been content with "we won't rewrite it, but we don't want that > repeated". But the SC said that it is absolutely fine to write commit > messages like that. > While

[issue19521] Parallel build race condition on AIX since python-2.7

David Edelsohn added the comment: Yes, export file generation still is required. Python does not need to utilize runtime linking. Using -G is a very bad choice and severely discouraged with severe performance and other penalties. -- ___ Python

[issue19521] Parallel build race condition on AIX since python-2.7

Stefan Krah added the comment: The original patch is a bit dated, do we still need the export symbol generation? https://www.ibm.com/support/knowledgecenter/en/SSGH3R_16.1.0/com.ibm.xlcpp161.aix.doc/proguide/compiling_shared_aix.html "Use the -G option to create a shared library from the

[issue41585] policy.max_line_length is incorrectly assumed to never be None

New submission from Erik Quaeghebeur : I got the following error (Python 3.7.8): Traceback (most recent call last): File "/home/equaeghe/.local/bin/html2alternative.py", line 68, in replaceable.add_alternative(plain) File "/usr/lib/python3.7/email/message.py", line 1153, in

Re: Finding it very difficult to move pyexiv2 code from Python 2 to Python 3

Le 18/08/20 à 19:22, Chris Green a écrit : > I have a fairly simple Python program that I wrote a while ago in > Python 2 that transfers images from my camera to a date ordered > directory hierarchy on my computer. > > I am trying to get it to work on Python 3 as I have just upgraded to > Ubuntu

Re: Final statement from Steering Council on politically-charged commit messages

On 8/18/20 12:28 PM, justin walters wrote: > I apologize for being ageist earlier as well. That was out of line. I am likely older than you and there is no reason to apologise. Only the profoundly undeveloped psyche takes every opportunity to find offense when none is intended. It is the sign

[issue35024] Incorrect logging in importlib when '.pyc' file creation fails

Brett Cannon added the comment: It looks like it! Thanks, Irit! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

Re: why the connection set with “keep live” in urllib.request always set to be“closed, thanks

> On 18 Aug 2020, at 02:16, xuanwu348 wrote: > > > This means I want to structure my request header with "Connection: keep > alive" for the server which support connect alive, > But I checked the requeset header send by myself, the connection still > closed, no affect by set > > And I also

[issue41513] Scale by power of two in math.hypot()

Tim Peters added the comment: About speed, the fsum() version I posted ran about twice as fast as the all-Decimal approach, but the add_on() version runs a little slower than all-Decimal. I assume that's because fsum() is coded in C while the add_on() prototype makes mounds of additional

Re: Finding it very difficult to move pyexiv2 code from Python 2 to Python 3

On Wed, Aug 19, 2020 at 3:36 AM Chris Green wrote: > > I have a fairly simple Python program that I wrote a while ago in > Python 2 that transfers images from my camera to a date ordered > directory hierarchy on my computer. > > I am trying to get it to work on Python 3 as I have just upgraded to

[issue41584] Clarify documentation for binary arithmetic operation subclass __r*__ precedence

Brett Cannon added the comment: Or to be more clear, the RHS subclass must provide a **different** implementation of the method than the LHS. -- ___ Python tracker ___

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

Change by Eryk Sun : -- status: open -> closed type: compile error -> behavior ___ Python tracker ___ ___ Python-bugs-list mailing

[issue41584] Clarify documentation for binary arithmetic operation subclass __r*__ precedence

Change by Brett Cannon : -- assignee: docs@python -> brett.cannon ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue41584] Clarify documentation for binary arithmetic operation subclass __r*__ precedence

New submission from Brett Cannon : https://docs.python.org/3/reference/datamodel.html#object.__ror__ has a note saying: "If the right operand's type is a subclass of the left operand's type and that subclass provides the reflected method for the operation, this method will be called before

[issue41577] Cannot use ProcessPoolExecutor if in a decorator?

Change by Bob Fang : -- versions: +Python 3.6, Python 3.7, Python 3.9 ___ Python tracker ___ ___ Python-bugs-list mailing list

Finding it very difficult to move pyexiv2 code from Python 2 to Python 3

I have a fairly simple Python program that I wrote a while ago in Python 2 that transfers images from my camera to a date ordered directory hierarchy on my computer. I am trying to get it to work on Python 3 as I have just upgraded to Ubuntu 20.04 and on that Python 3 is now the default version

Re: Final statement from Steering Council on politically-charged commit messages

I believe the commit message was written in bad faith. It reeks of virtue signaling. Commit messages should remain purely technical in nature. However, I do think the change itself is valid. I don't care about the style of comments as long as they are clear and communicate their message well. How

Re: Final statement from Steering Council on politically-charged commit messages

That's why I picked Math, it is also universally accepted, it's very strict, and it leaves the reader to decide its color based on themselves (it's not white btw :) On Tue, Aug 18, 2020 at 11:36 AM Tim Daneliuk wrote: > On 8/17/20 1:26 PM, Chris Angelico wrote: > > For context, see this

[issue41577] Cannot use ProcessPoolExecutor if in a decorator?

New submission from Bob Fang : I have this minimal example: ``` from functools import wraps from concurrent import futures import random def decorator(func): num_process = 4 def impl(*args, **kwargs): with futures.ProcessPoolExecutor() as executor: fs = []

[issue41560] pathlib.Path.glob fails on empty string

Change by Pablo Galindo Salgado : -- nosy: +pitrou ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

Re: Final statement from Steering Council on politically-charged commit messages

On 8/17/20 1:26 PM, Chris Angelico wrote: > For context, see this commit: > > https://github.com/python/peps/commit/0c6427dcec1e98ca0bd46a876a7219ee4a9347f4 > > The commit message is highly politically charged and is now a > permanent part of the Python commit history. The Python Steering >

Re: Final statement from Steering Council on politically-charged commit messages

I'm sorry Igor, I didn't mean to ruin your "conspiracy theories just hit the commit log day" -- https://mail.python.org/mailman/listinfo/python-list

Wing Python IDE version 7.2.4 has been released

Wing 7.2.4 introduces support for Python 3.9, adds a preference to set the size of white space indicators, and makes a number of usability improvements. Details: https://wingware.com/news/2020-08-17 Downloads:

Re: Final statement from Steering Council on politically-charged commit messages

Hi, On Tue, Aug 18, 2020 at 10:27 AM J. Pic wrote: > > I think this commit message is not enough: we should take it further > and demand that Elwyn Brooks White choose change their last name to > something less supremacist. > > Also: I've been waiting long enough to see this drama hit the chess

Re: Final statement from Steering Council on politically-charged commit messages

On 18/08/2020 04:53, thronobu...@gmail.com wrote: "Truth is a social construct." much as I deplore the politicization of computers, logic, maths and other areas of human interest by particular interest groups, according to some physicists, reality might be an observer based construct

Re: Final statement from Steering Council on politically-charged commit messages

I think this commit message is not enough: we should take it further and demand that Elwyn Brooks White choose change their last name to something less supremacist. Also: I've been waiting long enough to see this drama hit the chess world by itself so I'm explicitly making the suggestion here. --

ANN: Wing Python IDE version 7.2.4 has been released

Wing 7.2.4 introduces support for Python 3.9, adds a preference to set the size of white space indicators, and makes a number of usability improvements. Details: https://wingware.com/news/2020-08-17 Downloads: https://wingware.com/downloads == About Wing == Wing is a light-weight but

Re: Final statement from Steering Council on politically-charged commit messages

On Tue, Aug 18, 2020 at 11:12 PM Richard Damon wrote: > > On 8/18/20 1:22 AM, justin walters wrote: > > I for one don't want to see politics involved in PL development. However, > > inclusivity isn't a political issue, it's a human rights issue. > > > > Do I agree with the PR, not exactly.

[Release] PyData/Sparse 0.11.0

Hello, I’m happy to announce the release of PyData/Sparse 0.11.0, available to download via pip and conda-forge. PyData/Sparse is a library that provides sparse N-dimensional arrays for the PyData ecosystem. The official website and documentation is available at: https://sparse.pydata.org The

[issue39345] Py_Initialize Hangs on Windows 10

Change by Fieschi : -- nosy: +feellemon ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

Re: Final statement from Steering Council on politically-charged commit messages

On 8/18/20 1:22 AM, justin walters wrote: > I for one don't want to see politics involved in PL development. However, > inclusivity isn't a political issue, it's a human rights issue. > > Do I agree with the PR, not exactly. However, I do think we as a community > should be accommodating to people

RE: Final statement from Steering Council on politically-charged commit messages

> Do I agree with the PR, not exactly. However, I do think we as a community > should be accommodating to people > Whose use of the English language differs from the standard as long as the > meaning is clear. Remember that the problem isn't the change in wording of the PEP. That's all well and

[issue33051] IDLE: Create new tab for editor options in configdialog

Cheryl Sabella added the comment: @epaine, thank you for taking a look at that PR and for your feedback. I agree with you that the changes can still be taken further than we've already done. `init_validators` was added after the initial refactoring and I'm not sure if we've gone back to

[issue41553] encoded-word abused for header line folding causes RFC 2047 violation

Mika Hawkins added the comment: Truly for the vault changes. I thought we had fixed the bug that was causing message-id to get encoded, yet perhaps it despite everything exists in 3.7? I don't recall when we fixed it (and I might be recollecting incorrectly!) With respect to

[issue41573] Correct wrong sentences in General FAQ

Mika Hawkins added the comment: Submitted. Regards, Mika Hawkins -- nosy: +Mika_Hawkins ___ Python tracker ___ ___

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

Ronald Oussoren added the comment: How did you install Python? Did you use the installer on Python.org or some other method? A script that demonstrates the problem would be useful as well, I've tried to reproduce the problem in an interactive session in the terminal: >>> from tkinter

[issue41576] document BaseException in favour of bare except in error tutorial

Thomas Grainger added the comment: it seems odd to document digging around in sys.exc_info() in favour of the more ergonomic syntax to do the same thing -- ___ Python tracker

[issue41576] document BaseException in favour of bare except in error tutorial

New submission from Serhiy Storchaka : What a problem do you try to solve? What is wrong with the current documentation? -- nosy: +serhiy.storchaka ___ Python tracker ___

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

Prudent added the comment: Yes, you are right. Just now, I re-installed Python3.8.5. But when I opened my .py file with tkinter and ran it, it still linked to the old Tcl/Tk(8.5.9) in Python3.7.5. However, when I ran the command "python3 -m tkinter" to check its version. It showed me the

[issue41576] document BaseException in favour of bare except in error tutorial

Change by Thomas Grainger : -- assignee: docs@python components: Documentation nosy: docs@python, graingert priority: normal pull_requests: 21033 severity: normal status: open title: document BaseException in favour of bare except in error tutorial

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

E. Paine added the comment: Ned, does it appear like Python is using the MacOS built-in Tcl version? My (very limited) understanding is that Python will default to the Tcl version packaged with it (which is currently 8.6.8). -- ___ Python tracker

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

Prudent added the comment: The versions of Python, Tcl/Tk and MacOS I used are 3.8.5, 8.5.9 and the newest Catalina 10.15.6, respectively. Your words give me a hint about the version of Tcl/Tk. So I checked it. The version I used seems too old, the newest version for it is 8.6. In my

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

E. Paine added the comment: To help us to reproduce the issue, please give your Python version, Tcl/Tk patchlevel (`tkinter.test.support.get_tk_patchlevel()`), MacOS version and a small demonstration script (along with exact keystrokes/clicks if necessary). I suspect this is another Tcl/Tk

[issue41575] Please use active voice "Return foobar" instead of passive voice "foobar is returned"

New submission from Denilson Figueiredo de Sá : When reading the documentation for call_soon(), call_later(), call_at(), and several other functions, the sentence that describes the return value is in passive voice: https://docs.python.org/3/library/asyncio-eventloop.html > An instance of

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

song super <2262720...@qq.com> added the comment: Think you very much,I am a college student, do not understand these underlying principles, this problem is I wrote a program on Linux, later moved to the windows system found, thank you very much for your answers -- nosy: +2262720766

[issue41513] Scale by power of two in math.hypot()

Change by Raymond Hettinger : -- pull_requests: +21032 stage: resolved -> patch review pull_request: https://github.com/python/cpython/pull/21916 ___ Python tracker ___

[issue41574] Python[11231:143796] WARNING: running implicitly; please run panels using NSSavePanel rather than NSApplication.

New submission from Prudent : I am writing codes for opening file dialog to select a file by clicking a button. The function I used was "askopenfilename()" in tkinter.filedialog module. However, a warning displayed when I ran the code. And, the file filter option was also disabled after one

[issue41513] Scale by power of two in math.hypot()

Raymond Hettinger added the comment: Hmm, I tried-out a C implementation and the timings weren't bad, 60% slower in exchange for always being correctly rounded. Do you all think that would be worth it? # New correctly rounded $ ./python.exe -m timeit -r11 -s 'from math import hypot'

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

Eryk Sun added the comment: It's worth mentioning that pathlib restricts the first character of a Windows drive name to the set of ASCII letters in pathlib._WindowsFlavour.drive_letters. For example: >>> Path('3') / 'C:3' WindowsPath('C:3') vs. >>> Path('3') / '{:3'

[issue41401] Using non-ascii that require UTF-8 breaks AIX testing

Michael Felt added the comment: As much as I wish I had the skills to do the cherry picking - I am not going to touch this. The AIX bots for 3.9 branch continue to report broken for test_io (ENV change) - as they still wait for the backport for that branch! --

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

Paul Moore added the comment: I think the key point here is that os.path.join is *meant* to have platform-native semantics, so it treats '{:' as a drive letter on Windows, but Linux doesn't have drive letters, so os.path.join treats '{:' as a normal part of a filename on Linux. --

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

Eryk Sun added the comment: > I mean，os.path.join('3', '{:3') return '{:3' in windows, However, > os.path.join('3', '{:3') return '3/{:3'in linux, output result not > '3' in windows, why? The implementation of ntpath.join handles "{:" as a drive. Thus "{:3" is a drive-relative path, i.e.

[issue41566] Include much faster DEFLATE implementations in Python's gzip and zlib libraries. (isa-l)

Ruben Vorderman added the comment: I just find out that libdeflate does not support streaming: https://github.com/ebiggers/libdeflate/issues/73 . I should have read the manual better. So that explains the memory usage. Because of that I don't think it is suitable for usage in CPython.

[issue41564] Cannot access member "hex" for type "ByteString"

Change by Eric V. Smith : -- status: open -> pending ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue41565] from os.path import join join('3', '{:3') return '{:3' in windows

Serhiy Storchaka added the comment: Because '{' in '{:3' is a drive letter. When you open file with path '{:3' you open file with name '3' in the current directory of drive '{', not file with name '{:3' on current drive and directory. It is not a Python bug. If you think there is a bug,

[issue41566] Include much faster DEFLATE implementations in Python's gzip and zlib libraries. (isa-l)

Ruben Vorderman added the comment: > That might be an option then. CPython could use the existing library if it is > available. Dynamic linking indeed seems like a great option here! Users who care about this will probably have the 'isal' and 'libdeflateO' packages installed on their