[issue46054] Incorrect error when parsing non-utf8 files

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 4325a766f5f603ef6dfb8c4d5798e5e73cb5efd5 by Pablo Galindo Salgado 
in branch 'main':
bpo-46054: Fix parsing error when parsing non-utf8 characters in source files 
(GH-30068)
https://github.com/python/cpython/commit/4325a766f5f603ef6dfb8c4d5798e5e73cb5efd5


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[issue46054] Incorrect error when parsing non-utf8 files

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 2.0 -> 3.0
pull_requests: +28290
pull_request: https://github.com/python/cpython/pull/30069

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[issue44674] dataclasses should allow frozendict default value

[Gianni Mariani]

Gianni Mariani  added the comment:

Excellent. Thanks!

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[issue40477] Python Launcher app on macOS 10.15+ fails to run scripts

[Ned Deily]

Ned Deily  added the comment:

>From comments in duplicate Issue46043:
"There is definitely something odd going on here. I am seeing different 
behaviors across different systems: I have at least one macOS 12.0.1 system 
where the Launcher app seems to work OK with the current 3.10.1 (as long as the 
Terminal.app is already running) but then on some other 12.0.1 systems and on 
an 11.6.1 system it fails as you describe it. This is also across a mixture of 
Intel and Apple Silicon systems and VMs so no obvious correlation there. 
Launching via IDLE does seem to work properly on the systems I've tested so 
perhaps that might be a temporary workaround as well as just manually running 
the script in a Terminal.app window. I am going to close this issue as a 
duplicate of Issue40477 and am bumping the priority with the aim to have a fix 
prior to the next round of releases in early January."

--
nosy: +AegisEmerald545, nicholasjbond2020
priority: high -> critical
title: Python Launcher app on macOS 10.15 Catalina fails to run scripts -> 
Python Launcher app on macOS 10.15+ fails to run scripts

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[issue46043] Python Launcher Not Opening Files.

[Ned Deily]

Ned Deily  added the comment:

There is definitely something odd going on here. I am seeing different 
behaviors across different systems: I have at least one macOS 12.0.1 system 
where the Launcher app seems to work OK with the current 3.10.1 (as long as the 
Terminal.app is already running) but then on some other 12.0.1 systems and on 
an 11.6.1 system it fails as you describe it. This is also across a mixture of 
Intel and Apple Silicon systems and VMs so no obvious correlation there. 
Launching via IDLE does seem to work properly on the systems I've tested so 
perhaps that might be a temporary workaround as well as just manually running 
the script in a Terminal.app window. I am going to close this issue as a 
duplicate of Issue40477 and am bumping the priority with the aim to have a fix 
prior to the next round of releases in early January.

--
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Python Launcher app on macOS 10.15 Catalina fails to run scripts

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[issue46055] Speed up binary shifting operators

[Xinhang Xu]

New submission from Xinhang Xu :

See its PR.

-

Inspired by [bpo-44946](https://bugs.python.org/issue44946), I found there were 
no special shortcuts for shifting operation applied to "medium value" long 
object. So I modified CPython's VM to accelerate my python project where there 
is plenty of binary shifting operation. I guess somebody else might also need 
it.

--
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messages: 408362
nosy: xuxinhang
priority: normal
pull_requests: 28289
severity: normal
status: open
title: Speed up binary shifting operators
type: performance
versions: Python 3.11

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[issue46054] Incorrect error when parsing non-utf8 files

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


--
keywords: +patch
pull_requests: +28288
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30068

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[issue46054] Incorrect error when parsing non-utf8 files

[Pablo Galindo Salgado]

New submission from Pablo Galindo Salgado :

Python3.9 shows:

 ../3.9/python /bin/ls
SyntaxError: Non-UTF-8 code starting with '\xfc' in file /bin/ls on line 2, but 
no encoding declared; see https://python.org/dev/peps/pep-0263/ for detail

while 3.10 shows:

 python /bin/ls
  File "/bin/ls", line 0

SyntaxError: unknown parsing error

--
components: Parser
messages: 408361
nosy: lys.nikolaou, pablogsal
priority: normal
severity: normal
status: open
title: Incorrect error when parsing non-utf8 files
versions: Python 3.10, Python 3.11

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Carl Friedrich Bolz-Tereick]

Carl Friedrich Bolz-Tereick  added the comment:

Oh, don't worry, it's all good! It got fixed and I learned something.

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[issue23469] Delete Misc/*.wpr files

[Kumar Aditya]

Change by Kumar Aditya :


--
keywords: +patch
nosy: +kumaraditya303
nosy_count: 4.0 -> 5.0
pull_requests: +28287
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30067

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[issue46043] Python Launcher Not Opening Files.

[AegisEmerald545]

AegisEmerald545  added the comment:

Same here. macOS Monterey with an Apple Silicon SoC and there seems not to be 
any workaround this time

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[issue45977] Unexpected effect of sys.pycache_prefix = ""

[Andrei Kulakov]

Andrei Kulakov  added the comment:

Thanks, I've misunderstood how it works. It makes sense now. Closing as not a 
bug.

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[issue46052] Ctrl+C, C+V in IDLE on Windows do not work with Cyrillic keys

[Terry J. Reedy]

Terry J. Reedy  added the comment:

IDLE is a tkinter application and tkinter wraps the tcl/tk GUI framework. Your 
problem is mostly in the interaction between Windows, your Cyrillic input 
method, and tk.  As a test, run

import tkinter as tk
r = tk.Tk()
t = tk.Text(r)
t.pack()

Click in the box, type something, and try Ctrl-X, -C, -V.  If they work, we can 
add explicit bindings somewhat similar to those IDLE makes.

Also, how do you make your keyboard a Cyrillic keyboard.

EP, are you aware of any related tk issues?  Serhiy, do you know of any 
specific problems with Cyrillic and tkinter/tk?

--
assignee: terry.reedy -> 
components: +Tkinter
nosy: +epaine, serhiy.storchaka
title: Ctrl+C, Ctrl+V in IDLE on Windows do not work with Cyrillic keyboard 
layout -> Ctrl+C, C+V in IDLE on Windows do not work with Cyrillic keys

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 438817fdd5b731d486285d205bed2e78b655c0d6 by Miss Islington (bot) 
in branch '3.10':
bpo-46042: Improve SyntaxError locations in the symbol table (GH-30059) 
(GH-30064)
https://github.com/python/cpython/commit/438817fdd5b731d486285d205bed2e78b655c0d6


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[issue10116] Sporadic failures in test_urllibnet

[Irit Katriel]

Irit Katriel  added the comment:

The www.example.com url was replaced by a local one in Issue36019, so this 
seems to complete what remained to do here.

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

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[issue26951] [doc] Unintuitive error when using generator expression in class property

[Irit Katriel]

Change by Irit Katriel :


--
title: Unintuitive error when using generator expression in class property -> 
[doc] Unintuitive error when using generator expression in class property
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.5, Python 
3.6

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[issue17840] base64_codec uses assert for runtime validity checks

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.11 -Python 3.5

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[issue20128] Re-enable test_modules_search_builtin() in test_pydoc

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.4

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[issue20123] pydoc.synopsis fails to load binary modules

[Irit Katriel]

Irit Katriel  added the comment:

Re-enabling the test is tracked on 20128, so this issue is no longer needed.

--
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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue22858] unittest.__init__:main shadows unittest.main

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.11 -Python 3.5

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[issue21737] runpy.run_path() fails with frozen __main__ modules

[Irit Katriel]

Irit Katriel  added the comment:

The code looks very different from the patch now, is this issue still relevant?

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status: open -> pending

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[issue26216] run runtktests.py error when test tkinter

[Irit Katriel]

Irit Katriel  added the comment:

runtktests.py was deleted here: https://github.com/python/cpython/pull/28929

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

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[issue36207] robotsparser deny all with some rules

[Irit Katriel]

Irit Katriel  added the comment:

I restored one non-spam message from the OP that was deleted.

Changing to enhancement because this is not a bug (i.e., deviation from 
documentation).

I don't know enough about this to have a view on whether this enhancement 
request should be accepted.

--
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type: behavior -> enhancement
versions: +Python 3.11 -Python 3.5

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[issue36207] robotsparser deny all with some rules

[wats0ns]

wats0ns  added the comment:

I can't find a documentation about it, but all of the robots.txt checkers I 
find behave like this. You can test on this site: 
http://www.eskimoz.fr/robots.txt, I believe that this is how it's implemented 
now in most parsers ?

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[issue41222] POpen bufsize=0 ignored with universal_newlines=True

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11 -Python 3.5, Python 3.6, Python 3.7, Python 
3.8

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[issue30512] CAN Socket support for NetBSD

[Thomas Klausner]

Change by Thomas Klausner :


--
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stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30066

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[issue43794] OpenSSL 3.0.0: Handle UNEXPECTED_EOF_WHILE_READING / wrap SSL_OP_IGNORE_UNEXPECTED_EOF

[Alex Grönholm]

Alex Grönholm  added the comment:

OpenSSL 1.1.1 also handled EOFs strictly, but this behavior was generally 
suppressed in the ssl module through the default setting of 
suppress_ragged_eofs=True (thus enabling truncation attacks by default). The PR 
changes the behavior of existing applications in such a way that previously 
detectable unexpected EOFs are now no longer detectable by default. To make 
matters worse, EOF errors are not translated to SSLEOFError anymore, and 
instead I have to match the strerror attribute in SSLError to detect this 
condition.

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[issue46032] functools' singledispatch does not support GenericAlias

[Alex Waygood]

Change by Alex Waygood :


--
components: +Documentation
type: enhancement -> behavior

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[issue46053] NetBSD: ossaudio support incomplete

[Thomas Klausner]

Change by Thomas Klausner :


--
keywords: +patch
pull_requests: +28285
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30065

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[issue46053] NetBSD: ossaudio support incomplete

[Thomas Klausner]

New submission from Thomas Klausner :

When compiling Python on NetBSD, the ossaudio module is not enabled.
1. the code tries to export some #define that are not in the public OSS API 
(but that some other implementations provide)
2. on NetBSD, you need to link against libossaudio when using OSS

--
components: Extension Modules
messages: 408349
nosy: wiz
priority: normal
severity: normal
status: open
title: NetBSD: ossaudio support incomplete
type: enhancement
versions: Python 3.11

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[issue46032] functools' singledispatch does not support GenericAlias

[Alex Waygood]

Alex Waygood  added the comment:

The PR looks good to me. I think it's also important that we document that 
these types aren't supported, as it's not mentioned anywhere at the moment. 
Related: Issue34498.

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[issue29221] ABC Recursion Error on isinstance() with less than recursion limit class hierarchy depth

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

It is still reproducible if increase the depth. In 3.8-3.10 it needs 329 nested 
classes, in 3.11 -- 496.

Seems the limit is sys.getrecursionlimit()//k - 4, where k=4 in 3.7 and older, 
k=3 in 3.8-3.10, and k=2 in 3.11. It is much better than was initially, but the 
ideal is k=1.

--
resolution: out of date -> 
stage: resolved -> 
status: closed -> open
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.5, Python 
3.6, Python 3.7

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[issue37701] shutil.copyfile raises SpecialFileError for symlink to fifo

[Eryk Sun]

Eryk Sun  added the comment:

> Raising a SpecialFileError would be OK if `follow_symlinks` was False.

I expect it to fail if follow_symlinks is True, which is the default value. I 
expect it to succeed with follow_symlinks=False, which should create a shallow 
copy of just the symlink, regardless of its target. Instead, what happens is 
that it calls shutil._stat(fn) on both src and dst, regardless of 
follow_symlinks. I think the call should be shutil._stat(fn, follow_symlinks). 
This requires updating shutil._stat() to pass the value to fn.stat() and 
os.stat().

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[issue46052] Ctrl+C, Ctrl+V in IDLE on Windows do not work with Cyrillic keyboard layout

[Anton Bryl]

New submission from Anton Bryl :

Ctrl+C and Ctrl+V key combinations in IDLE on Windows do not work with Cyrillic 
keyboard layout. It is unexpected, as well as inconvenient when editing string 
constants.

--
assignee: terry.reedy
components: IDLE
messages: 408345
nosy: anton.bryl, terry.reedy
priority: normal
severity: normal
status: open
title: Ctrl+C, Ctrl+V in IDLE on Windows do not work with Cyrillic keyboard 
layout
type: behavior
versions: Python 3.9

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[issue9436] test_sysconfig failure: build a 32-bit Python a 64-bit OS

[Irit Katriel]

Change by Irit Katriel :


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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

> Oh no, I was about to open mine ;-)

Sorry, Carl, I apologize. I hope it was not too disruptive to do the work. I 
was taking a look and I felt bad that the issue was probably messier than I 
thought and I didn't want you to have to iterate many times :(

Thanks a lot for helping review the PR and for pointing out the extra cases!!

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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status: open -> closed

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 3.0 -> 4.0
pull_requests: +28284
pull_request: https://github.com/python/cpython/pull/30064

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 59435eea08d30796174552c0ca03c59b41adf8a5 by Pablo Galindo Salgado 
in branch 'main':
bpo-46042: Improve SyntaxError locations in the symbol table (GH-30059)
https://github.com/python/cpython/commit/59435eea08d30796174552c0ca03c59b41adf8a5


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[issue27718] help('signal') incomplete (e.g: signal.signal not visible)

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

This is due to use functools.wraps(). If __all__ is not defined all non-builtin 
functions should have correct __module__ to be displayed by pydoc. 
functools.wraps() assigns __module__, __name__, __qualname__, __doc__ and 
__annotations__. __module__ should be preserved ('signal', not '_signal'), 
__name__ and __qualname__ are already correct, __annotations__ does not exist. 
So only __doc__ should be copied.

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[issue44475] Dataclass Causes Infinite Recursion when using type of bytes

[Eric V. Smith]

Eric V. Smith  added the comment:

Closing due to lack of feedback.

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stage:  -> resolved
status: pending -> closed

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[issue24372] Documentation for ssl.wrap_socket's ssl_version parameter is odd

[Eric V. Smith]

Change by Eric V. Smith :


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[issue44053] Can't connect to a server also not showing any type of output

[Eric V. Smith]

Eric V. Smith  added the comment:

Closing due to lack of feedback.

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stage:  -> resolved
status: pending -> closed
type:  -> behavior

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[issue45650] cgitb does not emit CGI headers when format='text'

[Eric V. Smith]

Eric V. Smith  added the comment:

Having not heard back about a use case for this, I'm going to close it. If you 
want to move this forward, I suggest proposing it on the python-ideas mailing 
list.

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[issue27718] help('signal') incomplete (e.g: signal.signal not visible)

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
keywords: +patch
nosy: +serhiy.storchaka
nosy_count: 6.0 -> 7.0
pull_requests: +28283
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30063

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[issue46024] Different behaviour with zipfile

[Eric V. Smith]

Eric V. Smith  added the comment:

Actually, printing out:
print(repr(path), repr(ZipPath(path)))
would be more useful.

If I don't hear back in a few days, I'm going to close this issue.

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[issue14484] missing return in win32_kill?

[Eryk Sun]

Eryk Sun  added the comment:

The details of os.kill() on Windows have been discussed extensively for years 
in various issues such as bpo-26350, bpo-23948, and bpo-42962. But the problem 
of the missing return statement is always overwhelmed by discussion of the 
egregiously bad design of this function and its misuse, which depends on bugs 
in WinAPI GenerateConsoleCtrlEvent() when passed a PID that is not a process 
group ID and/or not attached to the console.

--
versions: +Python 3.7 -Python 3.10, Python 3.11, Python 3.9

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[issue14484] missing return in win32_kill?

[Eryk Sun]

Change by Eryk Sun :


--
Removed message: https://bugs.python.org/msg408336

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[issue14484] missing return in win32_kill?

[Eryk Sun]

Eryk Sun  added the comment:

The details of os.kill() on Windows have been discussed extensively for years 
in various issues such as bpo-26350, bp-23948, and bp42962. But the problem of 
the missing return statement is always overwhelmed by discussion of the 
egregiously bad design of this function and its misuse, which depends on bugs 
in WinAPI GenerateConsoleCtrlEvent() when passed a PID that is not a process 
group ID and/or not attached to the console.

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[issue44674] dataclasses should allow frozendict default value

[Eric V. Smith]

Change by Eric V. Smith :


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

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[issue44674] dataclasses should allow frozendict default value

[Eric V. Smith]

Eric V. Smith  added the comment:


New changeset e029c53e1a408b89a4e3edf30a9b38b094f9c880 by Eric V. Smith in 
branch 'main':
bpo-44674: Use unhashability as a proxy for mutability for default dataclass 
__init__ arguments. (GH-29867)
https://github.com/python/cpython/commit/e029c53e1a408b89a4e3edf30a9b38b094f9c880


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[issue42962] Windows: SystemError during os.kill(..., signal.CTRL_C_EVENT)

[Eryk Sun]

Change by Eryk Sun :


--
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stage:  -> resolved
status: open -> closed
superseder:  -> missing return in win32_kill?

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[issue23948] Deprecate os.kill() on Windows

[Eryk Sun]

Change by Eryk Sun :


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[issue46043] Python Launcher Not Opening Files.

[Nicholas Bond]

Nicholas Bond  added the comment:

I am on macOS 12 and it still doesn't work when Terminal.app is open.

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[issue40059] Provide a toml module in the standard library

[Chih-Hsuan Yen]

Change by Chih-Hsuan Yen :


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[issue46005] [doc] replace 'distutils' examples with 'setuptools'

[Nikita Sobolev]

Change by Nikita Sobolev :


--
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pull_requests: +28282
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30062

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[issue46005] [doc] replace 'distutils' examples with 'setuptools'

[Nikita Sobolev]

Nikita Sobolev  added the comment:

Or maybe we should just include 
https://github.com/python/cpython/blob/main/Doc/distutils/_setuptools_disclaimer.rst
 as others do?

I will send my proposal :)

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[issue35037] PYLONG_BITS_IN_DIGIT differs between MinGW and MSVC

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.5, Python 
3.6, Python 3.7, Python 3.8

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[issue19459] Python does not support the GEORGIAN-PS charset

[Irit Katriel]

Change by Irit Katriel :


--
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[issue29221] ABC Recursion Error on isinstance() with less than recursion limit class hierarchy depth

[Irit Katriel]

Change by Irit Katriel :


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[issue9504] signal.signal/signal.alarm not working as expected

[Irit Katriel]

Change by Irit Katriel :


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[issue34557] When sending binary file to a Microsoft FTP server over FTP TLS, the SSL unwind method hangs

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.4, Python 
3.5, Python 3.6, Python 3.7, Python 3.8

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[issue9338] argparse optionals with nargs='?', '*' or '+' can't be followed by positionals

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11:

>>> import argparse
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> 
>>> parser.add_argument('--badger', nargs='+')
_StoreAction(option_strings=['--badger'], dest='badger', nargs='+', const=None, 
default=None, type=None, choices=None, help=None, metavar=None)
>>> parser.add_argument('spam')
_StoreAction(option_strings=[], dest='spam', nargs=None, const=None, 
default=None, type=None, choices=None, help=None, metavar=None)
>>> parser.parse_args('--badger A B C D'.split())
usage: PROG [-h] [--badger BADGER [BADGER ...]] spam
PROG: error: the following arguments are required: spam

--
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3.3

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[issue26571] turtle regression in 3.5

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.5

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[issue27257] get_addresses results in traceback with an addrspec with an empty local part.

[Irit Katriel]

Irit Katriel  added the comment:

I am unable to reproduce this on 3.11:

>>> with open(b'lkml-exception.mail', mode = 'r') as f:
...  msg = email.message_from_file(f, policy=email.policy.SMTP)
... 
Traceback (most recent call last):
  File "", line 2, in 
AttributeError: module 'email' has no attribute 'policy'
>>> import email.policy
>>> with open(b'lkml-exception.mail', mode = 'r') as f:
...  msg = email.message_from_file(f, policy=email.policy.SMTP)
... 
>>> msg.get_all('to')
['unlisted-recipients:;, @pop.kundenserver.de']
>>>

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status: open -> pending

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[issue37701] shutil.copyfile raises SpecialFileError for symlink to fifo

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.5, Python 
3.6, Python 3.7, Python 3.8

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[issue37700] shutil.copyfile does not raise SpecialFileError for socket files

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.5, Python 
3.6, Python 3.7, Python 3.8

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[issue27718] help('signal') incomplete (e.g: signal.signal not visible)

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.5, Python 3.6

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[issue27227] argparse fails to parse [] when using choices and nargs='*'

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

--
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3.6, Python 3.7

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[issue46040] asyncio.coroutine documented as removed in 3.10

[Andrew Svetlov]

Change by Andrew Svetlov :


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status: open -> closed

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[issue46040] asyncio.coroutine documented as removed in 3.10

[Andrew Svetlov]

Andrew Svetlov  added the comment:


New changeset 991736697dff693b6c9f8964bb7540081bbf4ddb by Andrew Svetlov in 
branch '3.10':
[3.10] bpo-46040: Fix removal text for @asyncio.coroutine (GH-30061)
https://github.com/python/cpython/commit/991736697dff693b6c9f8964bb7540081bbf4ddb


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[issue14484] missing return in win32_kill?

[Irit Katriel]

Irit Katriel  added the comment:

That piece of code is still there, the function is now called os_kill_impl.

--
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3.5

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[issue35999] multpirocessing.Process alive after SIGTERM on parent

[Irit Katriel]

Irit Katriel  added the comment:

This example is not working for me on 3.11:

>>> from multiprocessing import Process
>>> from time import sleep
>>> from os import getpid
>>> 
>>> def log(daemon_mode):
... while True:
... print('worker %i %s' % (getpid(), daemon_mode))
... sleep(3)
... 
>>> 
>>> print('parent pid %i' % getpid())
parent pid 77378
>>> 
>>> a = Process(target=log, args=(0,), daemon=False)
>>> a.start()
>>> :744: DeprecationWarning: 
>>> BuiltinImporter.module_repr() is deprecated and slated for removal in 
>>> Python 3.12
Traceback (most recent call last):
  File "", line 1, in 
  File "/Users/iritkatriel/src/cpython-654/Lib/multiprocessing/spawn.py", line 
116, in spawn_main
exitcode = _main(fd, parent_sentinel)
   ^^
  File "/Users/iritkatriel/src/cpython-654/Lib/multiprocessing/spawn.py", line 
126, in _main
self = reduction.pickle.load(from_parent)
   ^^
AttributeError: Can't get attribute 'log' on 

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[issue46040] asyncio.coroutine documented as removed in 3.10

[Andrew Svetlov]

Change by Andrew Svetlov :


--
keywords: +patch
pull_requests: +28281
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30061

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[issue24010] Add error checks to PyInit__locale()

[Irit Katriel]

Irit Katriel  added the comment:

This function now looks like this:

PyMODINIT_FUNC
PyInit__locale(void)
{
return PyModuleDef_Init(&_localemodule);
}

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

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[issue24012] Add error checks to PyInit_pyexpat()

[Irit Katriel]

Irit Katriel  added the comment:

This is all sorted now:

iritkatriel@Irits-MBP cpython % grep "PyModule_AddObject(" Modules/pyexpat.c 
if (PyModule_AddObject(mod, name, submodule) < 0) {
if (PyModule_AddObject(errors_module, "codes", codes_dict) < 0) {
if (PyModule_AddObject(errors_module, "messages", rev_codes_dict) < 0) {
if (PyModule_AddObject(mod, "features", list) < 0) {
if (PyModule_AddObject(mod, "version_info", versionInfo) < 0) {
if (PyModule_AddObject(mod, "expat_CAPI", capi_object) < 0) {
iritkatriel@Irits-MBP cpython % grep "PyDict_SetItem(" Modules/pyexpat.c
PyDict_SetItem(self->intern, result, result) == 0)
else if (PyDict_SetItem(container, n, v)) {
int res = PyDict_SetItem(rev_codes_dict, num, str);
iritkatriel@Irits-MBP cpython % grep "PySys_GetObject(" Modules/pyexpat.c
iritkatriel@Irits-MBP cpython %

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

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Carl Friedrich Bolz-Tereick]

Carl Friedrich Bolz-Tereick  added the comment:

ah, confused, seems you fixed them both too. will take a closer look!

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Carl Friedrich Bolz-Tereick]

Carl Friedrich Bolz-Tereick  added the comment:

Oh no, I was about to open mine ;-)

https://github.com/python/cpython/compare/main...cfbolz:bpo-46042-syntax-error-range-duplicate-argument?expand=1

Basically equivalent, but I fixed the second bug too (would be very easy to add 
to yours)

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[issue12833] Document the need to pass the prompt to raw_input() with readline

[Irit Katriel]

Change by Irit Katriel :


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status: pending -> closed

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Don't worry, turns out it was a bit messier than I thought, so I prepared the 
PR. If you have some time, it would be great if you can take a quick look.

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[issue28816] [doc] Clarify that zipimport does not invoke import hooks to load custom files from zip.

[Irit Katriel]

Change by Irit Katriel :


--
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status: pending -> open
pull_request: https://github.com/python/cpython/pull/30060

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[issue46042] Error range of "duplicate argument" SyntaxErrors is too big

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


--
keywords: +patch
pull_requests: +28279
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/30059

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[issue46051] Make @atexit.register work for functions with arguments

[quapka]

New submission from quapka :

Hi folks!

Let me first present an example that motivated this issue. Imagine a script 
that builds Docker images and later starts them as Docker containers. To avoid 
having to stop the containers "manually" (in code and potentially forgot) I had 
an idea to register each container when started and stop each using atexit 
module. I chose to encapsulate this behavior inside a class. A much simplified 
example looks like this:

import atexit

class Program:
# keep a class level list of started containers
running_containers = []

@atexit.register
@classmethod
def clean_up(cls, *args, **kwargs):
for container in cls.running_containers:
print(f'stopping {container}')

def start_container(self, container):
print(f'starting {container}')
self.__class__.running_containers.append(container)

prog = Program()
a.start_container('container_A')
a.start_container('container_B')

And I'd expect this to produce:

starting container_A
starting container_B
stopping container_A
stopping container_B

To me, this reads rather nicely: the Program.clean_up method can be called by 
the user, but if he forgets it will be handled for him using atexit. However, 
this code does not work. :) I've spent some time debugging and what follows are 
my observations:

1) If the order of decorators is @atexit.register and then @classmethod then 
the code throws 'TypeError: the first argument must be callable'. I believe it 
is because classmethod and staticmethod are descriptors without the __call__ 
method implemented. atexit.register does not check this and instead of 
func.__func__ (which resolves to Program.clean_up) gets func (a classmethod) 
which is not callable 
(https://github.com/python/cpython/blob/main/Modules/atexitmodule.c#L147).

2) If the order of decorators is swapped (@classmethod and @atexit.register) 
then the code throws "Error in atexit._run_exitfuncs:\nTypeError: clean_up() 
missing 1 required positional argument: 'cls'". From my limited understanding 
of CPython and atexitmodule.c I think what happens is that the @atexit.register 
returns 
(https://github.com/python/cpython/blob/main/Modules/atexitmodule.c#L180) the 
func without the args and kwargs (since this issue 
https://bugs.python.org/issue1597824).

3) However, if I step away from decorating using @atexit.register and instead 
use

[...]
atexit.register(Program.clean_up) # <-- register post definition
prog = Program()
a.start_container('container_A')
a.start_container('container_B')

then the code works as expected and outputs:

starting container_A
starting container_B
stopping container_A
stopping container_B


To summarize, I don't like 3) as it puts the responsibility in a bit awkward 
place (good enough if I'm the only user, but I wonder about the more general 
library-like cases). My decorating skills are a bit dull now and it's my first 
time seriously looking into CPython internals - I've tried to encapsulate 
atexit.register in my custom decorator, to check whether that could be a 
workaround but overall was unsuccessful. In short, I'd say that in both 1) and 
2) the cls arg is lost when atexit calls the function. I've tried to dig it up 
from the func passed to atexit.register

def my_atexit_decorator(func, *args, **kwargs):
cls = # some magic with under attrs and methods
register.atexit(func, cls=cls, *args, **kwargs)
[...]

, but failed (it also felt like a fragile approach).

I was not able to understand why @atexit.register does not work when the 
function's signature is not empty. Also, if fixable I'm happy to actually put 
the effort into fixing it myself (looks like a nice first CPython PR), but I'd 
like to have someone else's opinion before I start marching in the wrong 
direction. Also, let me know if you'd like more details or code/tests I've 
produced while debugging this.

Cheers!

--
messages: 408321
nosy: quapka
priority: normal
severity: normal
status: open
title: Make @atexit.register work for functions with arguments
type: enhancement

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[issue40059] Provide a toml module in the standard library

[Christian Heimes]

Christian Heimes  added the comment:

I just noticed that tomli has dropped support for Python 3.6. That's a road 
block for general adoption of the package in the Python ecosystem. Python 3.6 
is the default Python interpreter in CentOS 8, C8S, RHEL 8, and Ubuntu 18.04 
LTS. https://github.com/hukkin/tomli/pull/134

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[issue46028] 3.11.0a3: under tox, sys._base_executable is wrong

[Saaket Prakash]

Saaket Prakash  added the comment:

But on windows with the python.org installer, the behavior is same for both 
both a2 and a3.

# With a3 installed

> py -m venv venv_a3
> venv_a3/Scripts/python -c "import sys,os.path; print(e := 
> sys._base_executable); print(os.path.exists(e))"
C:\Users\ss\AppData\Local\Programs\Python\Python311\python.exe
True
> cat venv_a3/pyvenv.cfg
home = C:\Users\ss\AppData\Local\Programs\Python\Python311
include-system-site-packages = false
version = 3.11.0

# With a2 installed

> py -m venv venv_a2
> venv_a2/Scripts/python -c "import sys,os.path; print(e := 
> sys._base_executable); print(os.path.exists(e))"
C:\Users\ss\AppData\Local\Programs\Python\Python311\python.exe
True
> cat venv_a2/pyvenv.cfg
home = C:\Users\ss\AppData\Local\Programs\Python\Python311
include-system-site-packages = false
version = 3.11.0

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[issue46028] 3.11.0a3: under tox, sys._base_executable is wrong

[Saaket Prakash]

Saaket Prakash  added the comment:

I tried the same stuff as nedbat on WSL2, and I see similar change in the path 
of sys._base_executable (though I get a different "base" path on a3, so the 
path exists even there).

$ ~/.pyenv/versions/3.11.0a2/bin/python -m venv venv_a2
$ ~/.pyenv/versions/3.11.0a3/bin/python -m venv venv_a3
$ venv_a2/bin/python -c "import sys,os.path; print(e := sys._base_executable); 
print(os.path.exists(e))"
/home/ss/venv_a2/bin/python
True

$ venv_a3/bin/python -c "import sys,os.path; print(e := sys._base_executable); 
print(os.path.exists(e))"
/home/ss/.pyenv/versions/3.11.0a3/bin/python
True

$ cat venv_a2/pyvenv.cfg
home = /home/ss/.pyenv/versions/3.11.0a2/bin
include-system-site-packages = false
version = 3.11.0

$ cat venv_a3/pyvenv.cfg
home = /home/ss/.pyenv/versions/3.11.0a3/bin
include-system-site-packages = false
version = 3.11.0

--
nosy: +saaketp

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[issue46040] asyncio.coroutine documented as removed in 3.10

[Ken Jin]

Change by Ken Jin :


--
keywords: +easy

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[issue34798] pprint ignores the compact parameter for dicts

[Irit Katriel]

Irit Katriel  added the comment:

Don't discuss on a closed issue. Create a new one if there is still a problem.

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[issue40059] Provide a toml module in the standard library

[Martin Reboredo]

Martin Reboredo  added the comment:

A new python-ideas mail thread was created for this, you can check it out at 
https://mail.python.org/archives/list/python-id...@python.org/thread/IWJ3I32A4TY6CIVQ6ONPEBPWP4TOV2V7/.

--
nosy: +YakoYakoYokuYoku

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[issue45949] Provide pure-Python implementation of Programs/_freeze_module for cross building

[Christian Heimes]

Christian Heimes  added the comment:

In his code review Eric made a point that the relationship of variables and 
their impact on normal and cross builds are not obvious. I'm going to introduce 
new variables for freezing and freezing dependencies. Bonus: Cross builds no 
longer build non-functional _bootstrap_python and Programs/_freeze_module.

Normal build:

PYTHON_FOR_FREEZE=./_bootstrap_python
FREEZE_MODULE_BOOTSTRAP=./Programs/_freeze_module
FREEZE_MODULE_BOOTSTRAP_DEPS=Programs/_freeze_module
FREEZE_MODULE=$(PYTHON_FOR_FREEZE) $(srcdir)/Programs/_freeze_module.py
FREEZE_MODULE_DEPS=_bootstrap_python $(srcdir)/Programs/_freeze_module.py


Cross build:

PYTHON_FOR_FREEZE=/path/to/build/python
FREEZE_MODULE_BOOTSTRAP=$(PYTHON_FOR_FREEZE) 
$(srcdir)/Programs/_freeze_module.py
FREEZE_MODULE_BOOTSTRAP_DEPS=$(srcdir)/Programs/_freeze_module.py
FREEZE_MODULE=$(FREEZE_MODULE_BOOTSTRAP)
FREEZE_MODULE_DEPS=$(FREEZE_MODULE_BOOTSTRAP_DEPS)

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[issue46040] asyncio.coroutine documented as removed in 3.10

[Irit Katriel]

Change by Irit Katriel :


--
components: +asyncio
nosy: +asvetlov, yselivanov

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[issue46050] [pathlib] Option so that OSError does not block glob in pathlib library

[matt]

New submission from matt :

Hi there,
ISSUE DESCRIPTION
when I browse starting from the linux root ('/')
path = pathlib.Path('/')
_glob = '**/*'
for p in path.glob(_glob):

The program stops on my machine because of OSError.
  File "/usr/lib/python3.8/pathlib.py", line 535, in _select_from
entries = list(scandir_it)

OSError: [Errno 22] Invalid argument: '/proc/5916/task/5916/net'


Entering post mortem debugging...

> /usr/lib/python3.8/pathlib.py(535)_select_from()
533 try:
534 with scandir(parent_path) as scandir_it:
--> 535 entries = list(scandir_it)
536 for entry in entries:
537 if self.dironly:

I also another case is if a cloud drive is disconnected.

QUICK SOLUTION
I solved both issues for me by adding an adding an except OSError: return at 
the end of the two function below:

class _WildcardSelector(_Selector):
def _select_from(self, parent_path, is_dir, exists, scandir):
(...)
except OSError:
return

class _RecursiveWildcardSelector(_Selector):
def _iterate_directories(self, parent_path, is_dir, scandir):
(...)
except OSError:
return

FEATURE REQUEST
I don't know the consequences of those 2 modifications so perhaps they could 
follow an option when calling glob with an optional parameter ignoreOSerror = 
false by default?!

--
components: Library (Lib)
messages: 408314
nosy: matt32106
priority: normal
severity: normal
status: open
title: [pathlib] Option so that OSError does not block glob in pathlib library
type: enhancement
versions: Python 3.8

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[issue45578] Missing tests for the dis module

[Nikita Sobolev]

Change by Nikita Sobolev :


--
pull_requests: +28278
pull_request: https://github.com/python/cpython/pull/30058

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[issue46028] 3.11.0a3: under tox, sys._base_executable is wrong

[Ned Batchelder]

Ned Batchelder  added the comment:

The two venvs seem analogous:


$ cat venv_a2/pyvenv.cfg
home = /usr/local/bin
include-system-site-packages = false
version = 3.11.0

$ ls -al venv_a2/bin
total 72
drwxr-xr-x  13 nedbatchelder  wheel   416 Dec 11 10:43 ./
drwxr-xr-x   6 nedbatchelder  wheel   192 Dec 11 10:43 ../
-rw-r--r--   1 nedbatchelder  wheel  9033 Dec 11 10:43 Activate.ps1
-rw-r--r--   1 nedbatchelder  wheel  1993 Dec 11 10:43 activate
-rw-r--r--   1 nedbatchelder  wheel   919 Dec 11 10:43 activate.csh
-rw-r--r--   1 nedbatchelder  wheel  2061 Dec 11 10:43 activate.fish
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip*
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip3*
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip3.11*
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python@ -> python3.11.0a2
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python3@ -> 
python3.11.0a2
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python3.11@ -> 
python3.11.0a2
lrwxr-xr-x   1 nedbatchelder  wheel29 Dec 11 10:43 python3.11.0a2@ -> 
/usr/local/bin/python3.11.0a2

$ cat venv_a3/pyvenv.cfg
home = /usr/local/bin
include-system-site-packages = false
version = 3.11.0

$ ls -al venv_a3/bin
total 72
drwxr-xr-x  13 nedbatchelder  wheel   416 Dec 11 10:43 ./
drwxr-xr-x   6 nedbatchelder  wheel   192 Dec 11 10:43 ../
-rw-r--r--   1 nedbatchelder  wheel  9033 Dec 11 10:43 Activate.ps1
-rw-r--r--   1 nedbatchelder  wheel  1993 Dec 11 10:43 activate
-rw-r--r--   1 nedbatchelder  wheel   919 Dec 11 10:43 activate.csh
-rw-r--r--   1 nedbatchelder  wheel  2061 Dec 11 10:43 activate.fish
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip*
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip3*
-rwxr-xr-x   1 nedbatchelder  wheel   244 Dec 11 10:43 pip3.11*
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python@ -> python3.11.0a3
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python3@ -> 
python3.11.0a3
lrwxr-xr-x   1 nedbatchelder  wheel14 Dec 11 10:43 python3.11@ -> 
python3.11.0a3
lrwxr-xr-x   1 nedbatchelder  wheel29 Dec 11 10:43 python3.11.0a3@ -> 
/usr/local/bin/python3.11.0a3

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[issue45997] asyncio.Semaphore waiters deque doesn't work

[Yevhenii Hyzyla]

Change by Yevhenii Hyzyla :


--
versions: +Python 3.11 -Python 3.8

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[issue23469] Delete Misc/*.wpr files

[Irit Katriel]

Change by Irit Katriel :


--
keywords: +easy -patch

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[issue46028] 3.11.0a3: under tox, sys._base_executable is wrong

[Steve Dower]

Steve Dower  added the comment:

What's the contents of the pyvenv.cfg in these cases?

It looks like the first case is definitely wrong, because the base 
executable should not be in "venv_a2" (that's sys.executable), but I 
don't know where it should be on your system.

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[issue46028] 3.11.0a3: under tox, sys._base_executable is wrong

[Ned Batchelder]

Ned Batchelder  added the comment:

Tox isn't needed, just venv from the stdlib:


$ python3.11.0a2 -m venv venv_a2

$ venv_a2/bin/python -c "import sys,os.path; print(e := sys._base_executable); 
print(os.path.exists(e))"
/private/tmp/venv_a2/bin/python
True

$ python3.11.0a3 -m venv venv_a3

$ venv_a3/bin/python -c "import sys,os.path; print(e := sys._base_executable); 
print(os.path.exists(e))"
/usr/local/bin/python
False

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[issue46049] ._pth files untested on Linux

[Steve Dower]

Change by Steve Dower :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue18861] Problems with recursive automatic exception chaining

[Irit Katriel]

Irit Katriel  added the comment:

I think this problem is actually simpler than what we've been discussing. 

First, note that by-and-large our current system works:

>>> try:
...   raise VE(1)
... except VE as e1:
...   try:
... raise VE(2)
...   except VE as e2:
... raise VE(3) from e2
... 
Traceback (most recent call last):
  File "", line 2, in 
ValueError: 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "", line 5, in 
ValueError: 2

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "", line 7, in 
ValueError: 3



Here VE(2) is the cause of VE(3) and VE(1) is the context of VE(2), so VE(1) is 
not hidden by the fact that VE(3) has a cause.

The reason that Nick's example didn't work is because he is doing

raise VE(3) from VE(2)

i.e., creating a new exception VE(2) that doesn't have VE(1) as a context. I'm 
not sure there is a use case for this, so I don't think we need to worry about 
it.


The case of None does need fixing. We use None to indicate that there was no 
cause (while suppressing context). But None can't have a context, so VE(1) gets 
lost. We could, instead of None, use a NoException(Exception) class. This 
exception would be chained with the current exc_info() as context so that it 
works like VE(1) as above, and the traceback printing logic will know that it 
needs to be omitted from the output.


This proposal involves no changes to the exception propagation mechanism of the 
interpreter. It would require these changes:

1. Define the new exception type
2. in do_raise, in the case of raise-from the None case changes
3. traceback display code needs to be updated to omit NoExceptions

--
versions: +Python 3.11 -Python 3.5

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