[issue44493] Missing terminated NUL in the length of sockaddr_un

[ty]

ty  added the comment:

Changes have been made in this PR, waiting for reviewing.

--
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[issue39812] Avoid daemon threads in concurrent.futures

[Jack DeVries]

Jack DeVries  added the comment:

The regression that @janfrederik.konopka points out also has it's own open 
issue: bpo-43944. 

I'm trying to work on a fix for this regression. Slowly but surely. Now I've 
finally found these threads, this information will be a big help! Any tips are 
appreciated.

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[issue44732] Rename types.Union to types.UnionType

[Jelle Zijlstra]

Jelle Zijlstra  added the comment:

I agree that UnionType is marginally better so we should rename it. It doesn't 
seem worth doing if this doesn't make it in in time for 3.10, though. With the 
advent of PEP 604 typing.Union will hopefully become irrelevant.

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[issue44737] Mapping from to collections.abc

[Jelle Zijlstra]

Jelle Zijlstra  added the comment:

This sounds like a bug in the third-party library you're using, not in Python 
itself. Could you report this bug to the library?

According to https://docs.python.org/3.9/library/collections.html, aliases like 
collections.Mapping were removed from the collections namespace in 3.10.

--
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stage:  -> resolved
status: open -> closed

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[issue44737] Mapping from to collections.abc

[Du]

New submission from Du <491609...@qq.com>:

When using Sanic, referencing Mapping in collections in SANic-Jinja2 brings 
ImportError: Cannot import name 'Mapping' from 'collections'. When you use 
Mapping, shouldn't you call from collections.abc?

--
messages: 398208
nosy: haitanghuadeng
priority: normal
severity: normal
status: open
title: Mapping from to collections.abc
type: resource usage
versions: Python 3.10

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[issue26153] PyImport_GetModuleDict: no module dictionary! when `__del__` triggers a warning

[Andrei Kulakov]

Andrei Kulakov  added the comment:

3.6 no longer gets bugfixes, so I think this can be closed.

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[issue44693] Unclear definition of the "__future__" module in Docs

[Terry J. Reedy]

Change by Terry J. Reedy :


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[issue44693] Unclear definition of the "__future__" module in Docs

[Terry J. Reedy]

Terry J. Reedy  added the comment:


New changeset 4ce6c5285abd78dc936ec6036e7bb964fd55d955 by Miss Islington (bot) 
in branch '3.9':
bpo-44693: Update __future__ entry in Doc/glossary.rst (GH-27349) (GH-27358)
https://github.com/python/cpython/commit/4ce6c5285abd78dc936ec6036e7bb964fd55d955


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[issue44693] Unclear definition of the "__future__" module in Docs

[Terry J. Reedy]

Terry J. Reedy  added the comment:


New changeset 642d873d672eb1b4ddffd99e665c54ed358a4562 by Miss Islington (bot) 
in branch '3.10':
bpo-44693: Update __future__ entry in Doc/glossary.rst (GH-27349) (GH-27357)
https://github.com/python/cpython/commit/642d873d672eb1b4ddffd99e665c54ed358a4562


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[issue44693] Unclear definition of the "__future__" module in Docs

[Terry J. Reedy]

Terry J. Reedy  added the comment:


New changeset 0363a4014d90df17a29042de008ef0b659f92505 by Steven Hsu in branch 
'main':
bpo-44693: Update __future__ entry in Doc/glossary.rst (GH-27349)
https://github.com/python/cpython/commit/0363a4014d90df17a29042de008ef0b659f92505


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[issue44693] Unclear definition of the "__future__" module in Docs

[miss-islington]

Change by miss-islington :


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[issue44693] Unclear definition of the "__future__" module in Docs

[miss-islington]

Change by miss-islington :


--
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pull_requests: +25898
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[issue43944] Processes in Python 3.9 exiting with code 1 when It's created inside a ThreadPoolExecutor

[Jack DeVries]

Jack DeVries  added the comment:

The first bad commit was a fix for bpo-39812.

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[issue43944] Processes in Python 3.9 exiting with code 1 when It's created inside a ThreadPoolExecutor

[Jack DeVries]

Jack DeVries  added the comment:

I've identified the first bad commit with git-bisect:

commit b61b818d916942aad1f8f3e33181801c4a1ed14b
Author: Kyle Stanley 
Date:   Fri Mar 27 15:31:22 2020 -0400

bpo-39812: Remove daemon threads in concurrent.futures (GH-19149)

Remove daemon threads from :mod:`concurrent.futures` by adding
an internal `threading._register_atexit()`, which calls registered functions
prior to joining all non-daemon threads. This allows for compatibility
with subinterpreters, which don't support daemon threads.

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[issue28356] [easy doc] Document os.rename() behavior on Windows when src and dst are on different filesystems

[Ryan Ozawa]

Ryan Ozawa  added the comment:

Hi all,

This is my first issue so feedback is welcome.

Following @vstinner 's suggestions:
> * os.rename() can fail if source and destination are on two different
file systems
> * Use shutil.move() to support move to a different directory

And from @eryksun :
> ... on Windows the "operation will fail if src and dst are on different 
> filesystems".

Just 2 short lines:
2292,6 +2292,8 @@ features:
will fail with an :exc:`OSError` subclass in a number of cases:
 
On Windows, if *dst* exists a :exc:`FileExistsError` is always raised.
+   The operation will fail if *src* and *dst* are on different filesystems. Use
+   :func:`shutil.move` to support moves to a different filesystem.


If nothing to change, I will make a PR soon.

--
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nosy: +rhyn0
Added file: https://bugs.python.org/file50180/os_rename_windows.patch

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[issue44600] match/case statements trace incorrectly in 3.10.0b4

[miss-islington]

miss-islington  added the comment:


New changeset 01601aa7360ae51e74a64dbe957288096bb364fd by Miss Islington (bot) 
in branch '3.10':
[3.10] bpo-44600: Fix line numbers for pattern matching cleanup code (GH-27346) 
(GH-27356)
https://github.com/python/cpython/commit/01601aa7360ae51e74a64dbe957288096bb364fd


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[issue44600] match/case statements trace incorrectly in 3.10.0b4

[Brandt Bucher]

Change by Brandt Bucher :


--
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status: open -> closed

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[issue44600] match/case statements trace incorrectly in 3.10.0b4

[miss-islington]

Change by miss-islington :


--
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pull_requests: +25897
pull_request: https://github.com/python/cpython/pull/27356

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[issue44600] match/case statements trace incorrectly in 3.10.0b4

[Brandt Bucher]

Brandt Bucher  added the comment:


New changeset 4214f470f0cb9b6fef9a90758756fbc00ba95b5a by Charles Burkland in 
branch 'main':
bpo-44600: Fix line numbers for pattern matching cleanup code (GH-27346)
https://github.com/python/cpython/commit/4214f470f0cb9b6fef9a90758756fbc00ba95b5a


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[issue19217] Calling assertEquals for moderately long list takes too long

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Lukasz, perhaps you can finish this.  Too many assistent cooks and no chief 
cook.  At least tell Jack (above) whether to submit his PR.

--
nosy: +lukasz.langa, terry.reedy
versions: +Python 3.11 -Python 3.6, Python 3.7, Python 3.8, Python 3.9

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[issue43950] Include column offsets for bytecode instructions

[miss-islington]

miss-islington  added the comment:


New changeset 3e235e0447e373d81f195f4292959c7be9c013dc by Batuhan Taskaya in 
branch 'main':
bpo-43950: support some multi-line expressions for PEP 657 (GH-27339)
https://github.com/python/cpython/commit/3e235e0447e373d81f195f4292959c7be9c013dc


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[issue41203] Replace references to OS X in documentation with macOS

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Patrick, are you interested in reviving your PR? It mostly LGTM, except several 
not addressed comments. I clarified them.

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[issue41203] Replace references to OS X in documentation with macOS

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
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[issue42378] logging reopens file with same mode, possibly truncating

[miss-islington]

miss-islington  added the comment:


New changeset 96cf5a63d2dbadaebf236362b4c7c09c51fda55c by andrei kulakov in 
branch 'main':
bpo-42378: fixed log truncation on logging shutdown (GH-27310)
https://github.com/python/cpython/commit/96cf5a63d2dbadaebf236362b4c7c09c51fda55c


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[issue44399] log rotator cookbook example might waste disk space

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset 5a0c6abb569cadfc6b418a7d23ecffec01bd234d by Miss Islington (bot) 
in branch '3.9':
[3.9] bpo-44399: Update logging cookbook to document patterns to be avoided. 
(GH-27348) (GH-27350)
https://github.com/python/cpython/commit/5a0c6abb569cadfc6b418a7d23ecffec01bd234d


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[issue44399] log rotator cookbook example might waste disk space

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset 628baf6fef4d633e756024cf813941a4075360c1 by Miss Islington (bot) 
in branch '3.10':
[3.10] bpo-44399: Update logging cookbook to document patterns to be avoided. 
(GH-27348) (GH-27352)
https://github.com/python/cpython/commit/628baf6fef4d633e756024cf813941a4075360c1


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[issue43184] Missing docs for LoggerAdapter manager and name property

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset 59058a65a27de434a79adb749637b74a7fe418ba by Miss Islington (bot) 
in branch '3.10':
[3.10] bpo-43184: Add information about added attribute and method. (GH-27347) 
(GH-27355)
https://github.com/python/cpython/commit/59058a65a27de434a79adb749637b74a7fe418ba


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[issue43184] Missing docs for LoggerAdapter manager and name property

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset ce2033694ef4bf4c304e5c98d19fdeb684cd961b by Miss Islington (bot) 
in branch '3.9':
[3.9] bpo-43184: Add information about added attribute and method. (GH-27347) 
(GH-27353)
https://github.com/python/cpython/commit/ce2033694ef4bf4c304e5c98d19fdeb684cd961b


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[issue44732] Rename types.Union to types.UnionType

[Guido van Rossum]

Guido van Rossum  added the comment:

Agreed. I think we should do it, Serhiy’s reasoning makes sense.

We should just update the PEP and add a note that this was changed during the 
beta period.

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[issue43184] Missing docs for LoggerAdapter manager and name property

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 3.0 -> 4.0
pull_requests: +25894
pull_request: https://github.com/python/cpython/pull/27353

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[issue43184] Missing docs for LoggerAdapter manager and name property

[miss-islington]

Change by miss-islington :


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[issue44399] log rotator cookbook example might waste disk space

[miss-islington]

Change by miss-islington :


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[issue43184] Missing docs for LoggerAdapter manager and name property

[miss-islington]

Change by miss-islington :


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[issue44399] log rotator cookbook example might waste disk space

[miss-islington]

Change by miss-islington :


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[issue44399] log rotator cookbook example might waste disk space

[miss-islington]

Change by miss-islington :


--
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nosy_count: 3.0 -> 4.0
pull_requests: +25891
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[issue44693] Unclear definition of the "__future__" module in Docs

[Steven Hsu]

Change by Steven Hsu :


--
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pull_request: https://github.com/python/cpython/pull/27349

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[issue44399] log rotator cookbook example might waste disk space

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset 9751f85914e0ef3324671a91da34a635d48b17fb by Vinay Sajip in branch 
'main':
bpo-44399: Update logging cookbook to document patterns to be avoided. 
(GH-27348)
https://github.com/python/cpython/commit/9751f85914e0ef3324671a91da34a635d48b17fb


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[issue43967] Valgrind memcheck on Py_Initialize

[hai shi]

hai shi  added the comment:

Hi, Simon. Thanks for your report.
There have an relatived issue in: bpo-43145, this bpo have mentioned  
`Py_Initialize()`. So I suggest to close this bpo. We can reopen it if we have 
seperated questions need to be discussed in here.

> Running a Valgrind memcheck of Py_Initialize still produces issues even when 
> using the suggested suppressions file. Am I doing something wrong or is this 
> expected?
AFAIK, You are right;)

--
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[issue44605] functools.total_ordering doesn't work with metaclasses

[Raymond Hettinger]

Raymond Hettinger  added the comment:

To add support for metaclasses, replacing 'self.__lt__(other)' with 
'type(self).__lt__(self, other)' will work. 

The performance degradation for the common case is about 25%:

$ py -m timeit -s 'from tmp import a, b' 'a >= b' # op_result = 
type(self).__lt__(self, other)
100 loops, best of 5: 283 nsec per loop

$ py -m timeit -s 'from tmp import a, b' 'a >= b' # op_result = 
self.__lt__(other)
100 loops, best of 5: 227 nsec per loop

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[issue43184] Missing docs for LoggerAdapter manager and name property

[Vinay Sajip]

Vinay Sajip  added the comment:


New changeset 50b72768ffe6413424dc4eba916dd1ff89a2fe7b by Vinay Sajip in branch 
'main':
bpo-43184: Add information about added attribute and method. (GH-27347)
https://github.com/python/cpython/commit/50b72768ffe6413424dc4eba916dd1ff89a2fe7b


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[issue44399] log rotator cookbook example might waste disk space

[Vinay Sajip]

Change by Vinay Sajip :


--
keywords: +patch
pull_requests: +25889
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/27348

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[issue44725] Expose specialization stats in python

[Dong-hee Na]

Change by Dong-hee Na :


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[issue44732] Rename types.Union to types.UnionType

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

This is a feature added to 3.10 so if we change it before the release there is 
no deprecation period needed. On the other hand if we don't get it to 3.10 is 
going to be much difficult to rename.

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[issue44733] Feature request: maxtasksperchild for ProcessPoolExecutor

[Logan Jones]

Change by Logan Jones :


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[issue43184] Missing docs for LoggerAdapter manager and name property

[Vinay Sajip]

Change by Vinay Sajip :


--
keywords: +patch
pull_requests: +25888
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/27347

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[issue13824] argparse.FileType opens a file and never closes it

[Nils Kattenbeck]

Nils Kattenbeck  added the comment:

A good alternative would be to use pathlib.Path. The only downside would be 
that one has to manually handle `-` but besides that it solves most problems.

Still the fact that file descriptors are kept open should be added as a warning 
to the docs

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[issue44736] '\t' Escape Sequence behaving differently.

[Steven D'Aprano]

Steven D'Aprano  added the comment:

That's not a Python issue, that's a feature of your terminal. That's how tabs 
are supposed to work.

By default, most terminals set tab stops every 8 columns. Printing a tab 
character jumps to the next tab stop.

If you are using Linux or Mac, you can use the `tabs` command in the terminal 
to control where the tab stops are. This is not a Python command, it is part of 
your OS shell.

https://askubuntu.com/questions/63424/how-to-change-tab-width-in-terminal-in-ubuntu-10-04

https://superuser.com/questions/110421/tab-character-width-in-terminal

I don't know about the Windows Terminal. It is possible it doesn't support 
changing the tab stops.

--
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue44736] '\t' Escape Sequence behaving differently.

[BAHADIR]

Change by BAHADIR :


Removed file: https://bugs.python.org/file50179/IDLE.jpeg

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[issue44736] '\t' Escape Sequence behaving differently.

[BAHADIR]

BAHADIR  added the comment:

>>> print("1\t1")
1   1
>>> print("12\t1")
12  1
>>> print("123\t1")
123 1
>>> print("1234\t1")
12341
>>> print("12345\t1")
12345   1
>>> print("123456\t1")
123456  1
>>> print("1234567\t1")
1234567 1
>>> print("12345678\t1")
123456781
>>> print("1","12","123","1234","12345","123456","1234567","12345678",sep="\t")
1   12  123 123412345   123456  1234567 12345678
space length is always changing

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[issue44736] '\t' Escape Sequence behaving differently.

[BAHADIR]

Change by BAHADIR :


Added file: https://bugs.python.org/file50179/IDLE.jpeg

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[issue44736] '\t' Escape Sequence behaving differently.

[Steven D'Aprano]

Steven D'Aprano  added the comment:

I'm sorry, I don't understand what "different results for different values" you 
are talking about.

Can you please copy and paste (not a screen shot) code demonstrating:

- what code you ran
- what result you expected
- why you expected it
- and what result you got instead.

--
nosy: +steven.daprano

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[issue44736] '\t' Escape Sequence behaving differently.

[BAHADIR]

New submission from BAHADIR :

While working on several examples I noticed that ASCII Horizontal Tab (TAB) 
gives different results for different values. When I looked at the rfc 
documents, I couldn't see any result about its calculation. The calculation 
method I noticed myself is as follows ((8 -(string from previous "\t"))%8) * a 
number of spaces(in python IDLE) result change in other IDE or editors.

--
components: Parser
messages: 398180
nosy: BAHADIR, lys.nikolaou, pablogsal
priority: normal
severity: normal
status: open
title: '\t' Escape Sequence behaving differently.
type: behavior
versions: Python 3.9

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