[issue45521] obmalloc radix tree typo in code

[Neil Schemenauer]

Change by Neil Schemenauer :


--
keywords: +patch
pull_requests: +27322
pull_request: https://github.com/python/cpython/pull/29051

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[issue45521] obmalloc radix tree typo in code

[Inada Naoki]

Inada Naoki  added the comment:

When I am trying to understand this issue, I see this segfault.

https://gist.github.com/methane/1b83e2abc6739017e0490c5f70a27b52

I am not sure this segfault is caused by this issue or not. If this is 
unrelated, I will create another issue.

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[issue45521] obmalloc radix tree typo in code

[Neil Schemenauer]

New submission from Neil Schemenauer :

There is a typo in the radix tree obmalloc code, spotted by Inada Naoki. 

-#define MAP_TOP_MASK (MAP_BOT_LENGTH - 1)
+#define MAP_TOP_MASK (MAP_TOP_LENGTH - 1)

This should be fixed both in the main branch and in 3.10.x.

--
assignee: methane
components: Interpreter Core
messages: 404268
nosy: methane, nascheme
priority: high
severity: normal
stage: patch review
status: open
title: obmalloc radix tree typo in code
versions: Python 3.10, Python 3.11

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[issue45501] [idea] Successfully creating a venv could print a message.

[Steven D'Aprano]

Steven D'Aprano  added the comment:

This may be an example of the problem:

https://discuss.python.org/t/why-does-venv-not-work-on-my-windows-system/11167

The poster there hasn't responded yet, so it isn't clear what is the actual 
issue is. But it looks suspiciously like a failure to realise that the venv 
actually did work.

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[issue45475] gzip fails to read a gzipped file (ValueError: readline of closed file)

[Inada Naoki]

Change by Inada Naoki :


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

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[issue45427] importlib.readers.MultiplexedPath

[David Rajaratnam]

David Rajaratnam  added the comment:

Hi Jason,

Thanks for the extra pointers.  My initial intention in explaining my use-case 
was to find out whether treating an externally embedded  interpreter's files as 
`importlib.resources` is the correct use of this library. However, you're right 
that my explanation turned into a python packaging support question. I'm sorry 
about that.

Thanks for the clarification about the limitations of `as_file()`. I guess that 
means that at the moment it doesn't fully support my use-case, but hopefully 
may do so at some point in the future.

Regards,
Dave

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[issue45475] gzip fails to read a gzipped file (ValueError: readline of closed file)

[miss-islington]

miss-islington  added the comment:


New changeset 97ce855ca8ce437070424b43f5b41158685ac140 by Miss Islington (bot) 
in branch '3.10':
bpo-45475: Revert `__iter__` optimization for GzipFile, BZ2File, and LZMAFile. 
(GH-29016)
https://github.com/python/cpython/commit/97ce855ca8ce437070424b43f5b41158685ac140


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[issue30082] hide command prompt when using subprocess.Popen with shell=False on Windows

[Eryk Sun]

Eryk Sun  added the comment:

I was intending force_no_window as an alternative to adding force_hide, since 
CREATE_NO_WINDOW only affects console applications. Maybe a better name is 
force_hide_console.

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[issue45475] gzip fails to read a gzipped file (ValueError: readline of closed file)

[Inada Naoki]

Inada Naoki  added the comment:


New changeset 0a4c82ddd34a3578684b45b76f49cd289a08740b by Inada Naoki in branch 
'main':
bpo-45475: Revert `__iter__` optimization for GzipFile, BZ2File, and LZMAFile. 
(GH-29016)
https://github.com/python/cpython/commit/0a4c82ddd34a3578684b45b76f49cd289a08740b


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[issue45475] gzip fails to read a gzipped file (ValueError: readline of closed file)

[miss-islington]

Change by miss-islington :


--
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nosy_count: 3.0 -> 4.0
pull_requests: +27321
pull_request: https://github.com/python/cpython/pull/29050

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[issue45452] Support crash tolerance feature for gdbm module

[Dong-hee Na]

Dong-hee Na  added the comment:

Wow, long discussion than I expected, I wish that you don't feel uncomfortable 
with my opinion first :)

> The main concern is that it is not clear how to use this feature, and if it 
> is not clear

IMHO, this feature is similar usage level with gdbm.reorganize() API for 
end-user. 

https://docs.python.org/3/library/dbm.html?highlight=gdbm#dbm.gnu.gdbm.reorganize

I already show you how end-user will use this API in msg404065.
So I don't want to explain the usage again.

> For example, can it be used to implement transactions? 

AFAIk this feature is only used for left snapshot files storing
if the user wants to recover when the user needed.(for example, disk is too old 
so it can cause the system is down, or any disaster situation, or unexpected 
system fault)
And snapshot files can be stored anywhere(separated secondary disk, 
remote-mounted disk.)

So if you can ask snapshot is important? From my side *yes*, it can guarantee 
that we can recover the file when we want to.

IMHO using this API is up to the end user's purpose.

> I am not even sure that it is Pythonic,

Hmm, you mean API signature? Python has a long tradition of being a thin 
wrapper to C functions. (gdbm.reorganize() is a good example)

Since gdbm module is the most accessible python client that today Python users 
can use, I think we have to provide this feature since gdbm authors write this 
feature for end-user usage.
if not authors may not expose those APIs through `gdbmtool`.

FYI, gdbmtool is a CLI tool that you can execute basic gdbms operations.
If you installed gdbm 1.21 on your local machine, you can use crash tolerance 
features simply though gdbmtool

The essential of this feature looks simple.
* If you want to left snapshot files for gdbm, please create the gdbm file 
extension format(X flag) and then execute gdbm_failure_atomic.

If you don't feel the same way, I would like to suggest sending a mailing list 
and I may requests this to gdbms author since they request this issue to me 
through a mail and they are also more expert about gdbm more than me.

Thanks for reading.

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[issue30082] hide command prompt when using subprocess.Popen with shell=False on Windows

[swgmma]

swgmma  added the comment:

I implemented your first suggestion for `force_hide`.

Should we add your `force_no_window` suggestion as well?

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[issue33277] Deprecate __loader__, __package__, __file__, and __cached__ on modules

[Filipe Laíns]

Change by Filipe Laíns :


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[issue45520] Frozen dataclass deep copy doesn't work with __slots__

[Josh Rosenberg]

Josh Rosenberg  added the comment:

When I define this with the new-in-3.10 slots=True argument to dataclass rather 
than manually defining __slots__ it works just fine. Looks like the pickle 
format changes rather dramatically to accommodate it.

>>> @dataclass(frozen=True, slots=True)
... class FrozenData:
... my_string: str
...
>>> deepcopy(FrozenData('initial'))
FrozenData(my_string='initial')

Is there a strong motivation to support manually defined __slots__ on top of 
slots=True that warrants fixing it for 3.10 onward?

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[issue35673] Loader for namespace packages

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Since the documentation problem reported here has since been fixed, and really 
all that's left is to expose NamespaceLoader publicly and register it with the 
abc, this is technically a new feature so it can't be backported.  Thus, 
targeting only 3.11.

--
versions:  -Python 3.10, Python 3.9

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[issue35673] Loader for namespace packages

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

First crack at a PR for this issue.

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[issue35673] Loader for namespace packages

[Barry A. Warsaw]

Change by Barry A. Warsaw :


--
keywords: +patch
pull_requests: +27320
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29049

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[issue45020] Freeze all modules imported during startup.

[Guido van Rossum]

Guido van Rossum  added the comment:

Is gh-28940 only for UNIX?

I built on Windows with default options (PCbuild\build.bat) and it looks like 
the frozen modules are used by default even though I am running in the source 
directory. (I put a printf() call in unmarshal_frozen_code().)

I also put a printf() in is_dev_env() and found that it returns 0 on this check:

/* If dirname() is the same for both then it is a dev build. */
if (len != _Py_find_basename(stdlib)) {
return 0;
}

I assume that's because the binary (in my case at least) is at 
PCbuild\amd64\python.exe which is not the same as my current directory (which 
is the repo root).

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[issue30570] issubclass segfaults on objects with weird __getattr__

[Dennis Sweeney]

Change by Dennis Sweeney :


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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Filipe Laíns]

Change by Filipe Laíns :


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

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[issue45520] Frozen dataclass deep copy doesn't work with __slots__

[Filipe Laíns]

Change by Filipe Laíns :


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nosy: +eric.smith

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Jason R. Coombs]

Jason R. Coombs  added the comment:


New changeset c0295675305f6896e4ba7496441cc470d7edca89 by Filipe Laíns in 
branch 'main':
bpo-45516: use documentation links in TraversableResources' description 
(GH-29045)
https://github.com/python/cpython/commit/c0295675305f6896e4ba7496441cc470d7edca89


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[issue45449] Document that collections.abc types are subscriptable

[Filipe Laíns]

Change by Filipe Laíns :


--
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pull_requests: +27318
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pull_request: https://github.com/python/cpython/pull/29047

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[issue45518] Invalid example for typing

[Logan Jones]

Logan Jones  added the comment:

Hi Bozhi. The syntax that you're referencing was added in 3.9. So if you're 
trying the syntax in earlier versions of Python, it won't work. The standard 
collections were added in PEP 585 (https://www.python.org/dev/peps/pep-0585/)

I think the reason the examples use this syntax is that the previous List 
classes were deprecated in favor of the new syntax.

Hope this helps!

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[issue42174] shutil.get_terminal_size() returns 0 when run in a pty

[Filipe Laíns]

Change by Filipe Laíns :


--
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pull_requests: +27317
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29046

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Filipe Laíns]

Change by Filipe Laíns :


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pull_request: https://github.com/python/cpython/pull/29045

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Filipe Laíns]

Filipe Laíns  added the comment:

Actually, since TraversableResources is simply implementing ResourceReader, the 
protocol is documented. We could reference ResourceReader in the docstring 
though.

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[issue10071] Should not release GIL while running RegEnumValue

[Zachary Ware]

Zachary Ware  added the comment:

With Steve's opposition and the fact that we've gotten along for 11 years since 
this issue was opened without it (and also without further reports of issues), 
I'm going to go ahead and close the issue.

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status: open -> closed

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[issue35134] Add a new Include/cpython/ subdirectory for the "CPython API" with implementation details

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 5f09bb021a2862ba89c3ecb53e7e6e95a9e07e1d by Victor Stinner in 
branch 'main':
bpo-35134: Add Include/cpython/longobject.h (GH-29044)
https://github.com/python/cpython/commit/5f09bb021a2862ba89c3ecb53e7e6e95a9e07e1d


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[issue45336] Issue with xml.tree.ElementTree.write

[Andrei Kulakov]

Change by Andrei Kulakov :


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[issue45336] Issue with xml.tree.ElementTree.write

[Andrei Kulakov]

Andrei Kulakov  added the comment:

Ed: something looks a bit odd with the call to `write()` that you used:

> rte_ecu_tree.write(rtexmlFile, encoding="UTF-8", xml_declaration="True", 
> default_namespace="None" method="xml",short_empty_elements="True" )

Note that default val for `default_namespace` is None, but you have it quoted, 
and you also have quoted xml_declaration and short_empty_elements. Try 
re-running with these arg values unquoted.

--
nosy: +andrei.avk

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[issue35673] Loader for namespace packages

[Barry A. Warsaw]

Change by Barry A. Warsaw :


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

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

[STINNER Victor]

STINNER Victor  added the comment:

Python uses UTF-8 if the locale is not supported:

$ LANG=xxx python3.9 -c "import sys; print(sys.flags.utf8_mode)"
1

On Fedora 34, the locale is still supported, and Python 3.11 still fails:

vstinner@apu$ LANG=ka_GE.georgianps locale
LANG=ka_GE.georgianps
LC_CTYPE="ka_GE.georgianps"
LC_NUMERIC="ka_GE.georgianps"
LC_TIME="ka_GE.georgianps"
LC_COLLATE="ka_GE.georgianps"
LC_MONETARY="ka_GE.georgianps"
LC_MESSAGES="ka_GE.georgianps"
LC_PAPER="ka_GE.georgianps"
LC_NAME="ka_GE.georgianps"
LC_ADDRESS="ka_GE.georgianps"
LC_TELEPHONE="ka_GE.georgianps"
LC_MEASUREMENT="ka_GE.georgianps"
LC_IDENTIFICATION="ka_GE.georgianps"
LC_ALL=

vstinner@apu$ LANG=ka_GE.georgianps python3.11 -c "import sys; 
print(sys.flags.utf8_mode)"
Python path configuration:
  PYTHONHOME = (not set)
  PYTHONPATH = (not set)
  program name = './python'
  isolated = 0
  environment = 1
  user site = 1
  import site = 1
  stdlib dir = '/home/vstinner/python/main/Lib'
  sys._base_executable = '/home/vstinner/python/main/python'
  sys.base_prefix = '/usr/local'
  sys.base_exec_prefix = '/usr/local'
  sys.platlibdir = 'lib'
  sys.executable = '/home/vstinner/python/main/python'
  sys.prefix = '/usr/local'
  sys.exec_prefix = '/usr/local'
  sys.path = [
'/usr/local/lib/python311.zip',
'/home/vstinner/python/main/Lib',
'/home/vstinner/python/main/build/lib.linux-x86_64-3.11-pydebug',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the 
filesystem encoding
Python runtime state: core initialized
LookupError: unknown encoding: GEORGIAN-PS

Current thread 0x7ff89b81d2c0 (most recent call first):
  

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[issue35673] Loader for namespace packages

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

I'm going to take a look at this during the Python core sprint.

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[issue35134] Add a new Include/cpython/ subdirectory for the "CPython API" with implementation details

[STINNER Victor]

Change by STINNER Victor :


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[issue35134] Add a new Include/cpython/ subdirectory for the "CPython API" with implementation details

[STINNER Victor]

STINNER Victor  added the comment:


New changeset aad88d33d9db0a93e480f0234292b948890dfc2a by Victor Stinner in 
branch 'main':
bpo-35134: Split warnings.h and weakrefobject.h (GH-29042)
https://github.com/python/cpython/commit/aad88d33d9db0a93e480f0234292b948890dfc2a


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[issue38354] Fix for bug 30378 regressed SysLogHandler by making it resolve addresses at initialization instead of in `.emit()`

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

Changing type because crash typically refers to segfault or hang in the 
interpreter rather than a valid exception.

--
nosy: +iritkatriel
type: crash -> behavior
versions: +Python 3.10, Python 3.11 -Python 3.7, Python 3.8

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[issue38031] FileIO.__init__ aborts when opener returns bad fd

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

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

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[issue45520] Frozen dataclass deep copy doesn't work with __slots__

[Christina Gorbenko]

New submission from Christina Gorbenko :

If you define a frozen dataclass with slots and deep copy it, an error will 
occur. If you run the same code and remove the slots, the error will not occur. 
I assume this behavior is not intentional? Apologies if I'm submitting this 
wrong, this is the first time I've submitted an issue here so I'm not quite 
sure how to do it properly.

Example below:

```
from dataclasses import dataclass
from copy import deepcopy

@dataclass(frozen=True)
class FrozenData:
# Without slots no errors occur?
__slots__ = "my_string",

my_string: str

deepcopy(FrozenData(my_string="initial"))
```

Error that occurs:
```
dataclasses.FrozenInstanceError: cannot assign to field 'my_string'
```

--
messages: 404245
nosy: jfuruness
priority: normal
severity: normal
status: open
title: Frozen dataclass deep copy doesn't work with __slots__
type: behavior
versions: Python 3.10, Python 3.9

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[issue31165] list_slice() crashes if the list is mutated indirectly by PyList_New()

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

--
nosy: +iritkatriel
title: list_slice() does crash if the list is mutated indirectly by 
PyList_New() -> list_slice() crashes if the list is mutated indirectly by 
PyList_New()
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.7

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[issue31573] PyStructSequence_New() doesn't validate its input type (crashes in os.wait3() and os.wait4() in case of a bad resource.struct_rusage)

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

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

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[issue39098] OSError: handle closed, ProcessPoolExecutor shutdown(wait=False)

[Irit Katriel]

Irit Katriel  added the comment:

3.7 and 3.8 are no longer receiving bugfixes.
Changing type because crash typically refers to segfaults and hangs, not 
exceptions.

--
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stage:  -> resolved
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type: crash -> behavior
versions:  -Python 3.7, Python 3.8

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[issue45493] str() and repr() of enum different in Python 3.11 from Python <= 3.10

[Ethan Furman]

Ethan Furman  added the comment:

Enum was reverted at the last minute for 3.10.  I would like to keep the 
changes in 3.11 so they get more exposure.

I have asked the SC a few times for thoughts about PEP 663, including whether 
an information PEP needs formal approval, but still haven't heard back.

At any rate, I do not have the band-width to undo and then redo all the changes 
in the 3.11 Enum.

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[issue45519] Minor docstring improvement in __contains__

[Ivan Savov]

Change by Ivan Savov :


--
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stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29043

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[issue31885] Cygwin: socket test suites hang indefinitely due to bug in Cygwin

[Irit Katriel]

Irit Katriel  added the comment:

Erik, is this still relevant, given the Cygwin bug was fixed 4 years ago?

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Jason R. Coombs]

New submission from Jason R. Coombs :


New changeset 4d03de3329ed8daa9c1107b1aedbb0fa280bddb6 by Filipe Laíns in 
branch 'main':
bpo-45516: add protocol description to the Traversable documentation (#29039)
https://github.com/python/cpython/commit/4d03de3329ed8daa9c1107b1aedbb0fa280bddb6


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[issue15727] PyType_FromSpecWithBases tp_new bugfix

[Irit Katriel]

Change by Irit Katriel :


--
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stage:  -> resolved
status: open -> closed
superseder:  -> The danger of PyType_FromSpec()

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[issue45493] str() and repr() of enum different in Python 3.11 from Python <= 3.10

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

This doesn't seem right, given that PEP 663 has not been approved by the SC yet:

3.9.7 (default, Oct 13 2021, 06:45:31) 
[Clang 13.0.0 (clang-1300.0.29.3)]
ABC.a ABC.b ABC.c ABC.a 
|main=|@presto[~/projects/python/cpython:1058]% python3.10 /tmp/foo.py 
3.10.0 (default, Oct 13 2021, 06:45:00) [Clang 13.0.0 (clang-1300.0.29.3)]
ABC.a ABC.b ABC.c ABC.a 
|main=|@presto[~/projects/python/cpython:1059]% ./python.exe /tmp/foo.py 
3.11.0a1+ (heads/main:6a533a4238, Oct 18 2021, 15:30:20) [Clang 13.0.0 
(clang-1300.0.29.3)]
a b c a ABC.a

In 3.10, the behavior was reverted back to 3.9, so it makes sense that those 
two have the same output.  Python 3.11 should as well, for now at least, until 
the SC approves PEP 663

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[issue34290] _ctypes PyCField_new doesn't do anything

[Irit Katriel]

Irit Katriel  added the comment:

What is the bug you are reporting?

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[issue45519] Minor docstring improvement in __contains__

[Ivan Savov]

New submission from Ivan Savov :

Currently,

```
>>> help(list.__contains__)
```
returns
```
Help on wrapper_descriptor:
__contains__(self, key, /)
Return key in self.
```

Which is a conceptual circular reference,
since `in` is implemented by `__contains__`.

Changing the help string to

"Return True if key in self."

would fix this.

--
assignee: docs@python
components: Documentation
messages: 404236
nosy: Ivan.Savov, docs@python
priority: normal
severity: normal
status: open
title: Minor docstring improvement in __contains__
type: enhancement
versions: Python 3.10, Python 3.11, Python 3.6, Python 3.7, Python 3.8, Python 
3.9

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[issue31442] assertion failures on Windows in Python/traceback.c in case of a bad io.open

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

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[issue33193] Cannot create a venv on Windows when directory path contains dollar character

[Steve Dower]

Steve Dower  added the comment:

Affects distutils, which is deprecated and won't be getting any more fixes.

I've migrated it to https://github.com/pypa/distutils/issues/63

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[issue35134] Add a new Include/cpython/ subdirectory for the "CPython API" with implementation details

[STINNER Victor]

Change by STINNER Victor :


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[issue33193] Cannot create a venv on Windows when directory path contains dollar character

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

--
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3.7, Python 3.8

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[issue42260] [C API] Add _PyInterpreterState_SetConfig(): reconfigure an interpreter

[Steve Dower]

Change by Steve Dower :


--
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[issue35883] Python startup fails with a fatal error if a command line argument contains an invalid Unicode character

[Irit Katriel]

Change by Irit Katriel :


--
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status: open -> closed

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[issue45518] Invalid example for typing

[Bozhi You]

New submission from Bozhi You :

The first example snippet under 
https://docs.python.org/3/library/typing.html#type-aliases is invalid to run.

```
Traceback (most recent call last):
  File "main.py", line 1, in 
Vector = list[float]
TypeError: 'type' object is not subscriptable
```

A solution to this may be replacing `list` with `List` from `typing`.

--
assignee: docs@python
components: Documentation
messages: 404232
nosy: bozhiyou, docs@python
priority: normal
severity: normal
status: open
title: Invalid example for typing
type: compile error
versions: Python 3.10

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[issue43264] ListProxy with EventProxy in caused FileNotFoundError: [Errno 2] No such file or directory problem

[Irit Katriel]

Irit Katriel  added the comment:

Changing type as crash typically refers to segfault or hang and not exception.

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[issue40720] accessing mmap of file that is overwritten causes bus error

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

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[issue9334] argparse does not accept options taking arguments beginning with dash (regression from optparse)

[Tom Karzes]

Tom Karzes  added the comment:

Is there *still* no fix for this?  I keep running into this bug.  People 
sometimes say "oh, it's no problem, just use = to associate the option value 
with the option name".  That is so sad.  It's basically saying "it can't be 
made to work the way it should, so instead use = to introduce your option 
values."  I should *never* have to use = to introduce an option value.

And besides, using = doesn't even handle all cases.  For example, suppose I 
have an option that takes two string arguments, i.e. type=str and nargs=2.  Now 
I want to specify "-x" and "-y" as the two string arguments, like this:

--opt -x -y

As far as I can tell, argparse simply cannot handle this, and there's no 
workaround.  Using = doesn't solve this case.

One more time:  All I want to do is disable the undesirable option look-ahead.  
It is utterly and completely useless to me.  I want sequential, unambiguous 
option parsing.  You know, the way the entire rest of the world does it.  All 
that's needed is something that tells argparse to disable its look-ahead 
heuristic and to simply do what it's told.  Scan left-to-right.  If the next 
string is a recognized option name, then treat it as an option and take its 
arguments from the strings that follow, regardless of what they look like.  
Rinse and repeat.  That is how correct option parsing is done.

All this look-ahead heuristic does is cater to confused beginners, at the cost 
of breaking it for experienced users who know exactly what they want and are 
frustrated that argparse won't let them specify it.

By the way, is there any supported, competing alternative to argparse?  It 
seems like argparse is never going to support option values that begin with 
hyphens, so at this point I'm looking for an alternative that I don't have to 
fight every time I want to allow option values that begin with hyphens.  Maybe 
it's time to create a new option parsing package that supports the most useful 
argparse features, but doesn't mistake option values for option names.  You 
know, something more like optparse, but with some added features.  It just 
needs to support strict left-to-right option parsing.

At this point, I'm thinking it may be time to bite the bullet and write my own 
option parsing package.  One that actually works, and can't be deprecated.  But 
it seems like such a waste of time.  It's hard to fathom why Python no longer 
provides a working option parser.

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[issue21736] Add __file__ attribute to frozen modules

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Weird.  PR 28655 is merged on GH, but still shows open on this bpo ticket.

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[issue37722] imaplib crashes when trying to read a letter from an imap server imaps.почта.рус

[Barry A. Warsaw]

Change by Barry A. Warsaw :


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[issue44372] Can't install Python3.8, 3.9, 3.10 various errors including 0x80070643

[Irit Katriel]

Irit Katriel  added the comment:

Closing as it's not clear what the issue is and there was no reply to follow-up 
questions. 

Please create a new issue if you can provide more information.

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stage:  -> resolved
status: open -> closed

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[issue32966] Python 3.7.2 - 0x80070643 - Fatal Error during installation

[Irit Katriel]

Change by Irit Katriel :


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[issue45506] Out of source tree builds failing on main - test_importlib others unreliable

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

FWIW, Greg's test case does not fail for me with 6a533a4238

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[issue29941] Confusion between asserts and Py_DEBUG

[Thomas Wouters]

Change by Thomas Wouters :


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[issue34708] Odd crashes/freezes when sys.stdout.shell.console is typed

[Irit Katriel]

Change by Irit Katriel :


--
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.7, Python 3.8

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

[Irit Katriel]

Irit Katriel  added the comment:

path.glob() returns a generator now, but the contents are still this exception:

>>> from pathlib import Path
>>> path = Path('./myfile.txt')
>>> 
>>> path.glob('')

>>> list(path.glob(''))
Traceback (most recent call last):
  File "", line 1, in 
  File "/Users/iritkatriel/src/cpython-654/Lib/pathlib.py", line 1027, in glob
raise ValueError("Unacceptable pattern: {!r}".format(pattern))
^^
ValueError: Unacceptable pattern: ''
>>> 


I'm changing the type as crash typically refers to segfaults or hangs and not 
exceptions reporting errors in input.

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versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.8

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[issue34708] Odd crashes/freezes when sys.stdout.shell.console is typed

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Unfortunately, no.  The standard stream replacements were renamed to 
StdOutputFile, etc, and slightly revised, but the buggy behavior remains.  The 
worst is that shell restart does not completely restart the shell.  It has to 
be closed instead.

I would like to fix this first by adding 'provision for graceful failure'.  
'try' is now nearly free when there is no exception.

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[issue11702] dir on return value of msilib.OpenDatabase() crashes python

[Irit Katriel]

Change by Irit Katriel :


--
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stage: patch review -> resolved
status: open -> closed
superseder:  -> Special method lookup fails on uninitialized types

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[issue26906] Special method lookup fails on uninitialized types

[Irit Katriel]

Irit Katriel  added the comment:

All of the examples for python 3 are working now:

>>> import array
>>> it = iter(array.array('i'))
>>> format(it)
''
>>> format(iter([]))
''
>>> import operator
>>> operator.length_hint(iter("abc"))
03

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

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[issue45506] Out of source tree builds failing on main - test_importlib others unreliable

[Eric Snow]

Eric Snow  added the comment:

The PR I put up should fix the problem.  If it doesn't then I'll probably drop 
the checks in the second half of FrozenImporter._fix_module().

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[issue45506] Out of source tree builds failing on main - test_importlib others unreliable

[Eric Snow]

Change by Eric Snow :


--
keywords: +patch
pull_requests: +27311
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/29040

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[issue25934] ICC compiler: ICC treats denormal floating point numbers as 0.0

[Zachary Ware]

Zachary Ware  added the comment:

I no longer have access to ICC, and the ICC buildbots have been mothballed some 
years ago.  Closing this as out of date; the issue might not be, but the 
information about it here probably is :)

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[issue34192] FunctionType.__new__ can generate functions that immediately crash

[Dennis Sweeney]

Dennis Sweeney  added the comment:

>From 
>https://github.com/python/cpython/blob/main/Lib/test/crashers/bogus_code_obj.py
> :


"""
Broken bytecode objects can easily crash the interpreter.

This is not going to be fixed.  It is generally agreed that there is no
point in writing a bytecode verifier and putting it in CPython just for
this.  Moreover, a verifier is bound to accept only a subset of all safe
bytecodes, so it could lead to unnecessary breakage.
"""

Since this is messing with implementation details of code objects, I'll close 
this as "won't fix".

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stage:  -> resolved
status: open -> closed

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[issue15251] new.code and new.function crashes Python iterpretter

[Tal Einat]

Tal Einat  added the comment:

I couldn't reproduce this on the latest main branch with an updated version of 
the code sample (see attached repro.py). I also couldn't get such a crash with 
some variations of this.

I'm marking this as fixed for now. We can re-open this if anyone runs into an 
up-to-date case of this crash.

--
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resolution:  -> fixed
stage:  -> resolved
status: open -> closed
Added file: https://bugs.python.org/file50368/repro.py

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[issue45517] TarFile.add skips files when tarfile name matches a directory

[Ethan Furman]

Change by Ethan Furman :


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[issue32629] PyImport_ImportModule occasionally cause access violation

[Irit Katriel]

Irit Katriel  added the comment:

This looks like you are accessing memory that has been corrupted, which can 
happen in any number of ways. I am closing this because there isn't enough 
information to do anything about it.

If you can show us how to reproduce the crash, and it occurs on a current 
version of python (>= 3.9), then please create a new issue.

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stage:  -> resolved
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[issue45517] TarFile.add skips files when tarfile name matches a directory

[Jesse Kinkead]

New submission from Jesse Kinkead :

tarfile.open has a "name" parameter that can be used to open a file for reading 
or writing in the local filesystem. The documentation is unclear what the 
purpose is if providing a "fileobj" parameter as well, but it has very 
surprising behavior when the name matches an existing directory.

Specifically, when you provide a "fileobj" for writing and provide a "name" 
that matches an existing directory, calling .add() on that directory will have 
it (and any child files) to be silently skipped.

The desired behavior is either to have the files be added (consistent with 
"name" being totally ignored), or to have it be an error to provide such a 
"name" value (either one that matches an existing directory, or to provide one 
at all when using "fileobj").

--
components: Library (Lib)
files: repro.py
messages: 404217
nosy: jkinkead
priority: normal
severity: normal
status: open
title: TarFile.add skips files when tarfile name matches a directory
versions: Python 3.8
Added file: https://bugs.python.org/file50367/repro.py

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[issue26626] test_dbm_gnu

[Zachary Ware]

Zachary Ware  added the comment:

Judging by the error message ("Device or resource busy:"), it seems likely to 
me that NFS was the culprit here.  The fact that the tests passed when run 
alone may point to an issue with the way tests were run as a group, but this 
has changed significantly since 2016.

If this can still be reproduced with modern versions of everything involved, it 
may be worth opening a new issue.  In the meantime, I'm closing this as out of 
date.

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

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[issue33713] memoryview can set an exception in tp_clear

[Irit Katriel]

Change by Irit Katriel :


--
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3.7, Python 3.8

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[issue34708] Odd crashes/freezes when sys.stdout.shell.console is typed

[Irit Katriel]

Irit Katriel  added the comment:

Terry, I don't see any PseudoOutputFile in the current codebase. Is this out of 
date?

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

[Tal Einat]

Tal Einat  added the comment:

With recent versions of Python (e.g. 3.9) this no longer causes a crash. Python 
apparently falls back to UTF-8, at least on my system:

$ LANG=ka_GE.georgianps python3.9
Python 3.9.7 (default, Sep  9 2021, 23:20:13) 
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import locale; print(locale.getpreferredencoding())
UTF-8

I'm marking this as fixed. If someone still has issues with this encoding, 
please open a new issue with up-to-date information.

--
nosy: +taleinat
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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[issue11275] Linking to gcc's gomp causes crash later.

[Irit Katriel]

Irit Katriel  added the comment:

Please create a new issue if you see the problem on a current python version.

--
nosy: +iritkatriel
resolution:  -> out of date
stage: test needed -> resolved
status: open -> closed

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[issue45221] Linker flags starting with -h breaks setup.py (regression)

[Andrei Kulakov]

Andrei Kulakov  added the comment:

I agree re: 3.9, thanks Ned!

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Filipe Laíns]

Change by Filipe Laíns :


--
keywords: +patch
pull_requests: +27310
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29039

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[issue45221] Linker flags starting with -h breaks setup.py (regression)

[Ned Deily]

Ned Deily  added the comment:

Thanks for the report, @ux, and thanks for the PR, Andrei! I've backported the 
fix for release in 3.10.1 but I think it's pretty late in 3.9's release cycle 
and we've lived this long with the issue.

--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions:  -Python 3.8, Python 3.9

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[issue45516] Add protocol description to the Traversable and TraversableResources documentation

[Filipe Laíns]

Change by Filipe Laíns :


--
assignee: docs@python
components: Documentation
nosy: FFY00, docs@python
priority: normal
severity: normal
status: open
title: Add protocol description to the Traversable and TraversableResources 
documentation

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[issue44210] Make importlib.metadata._meta.PackageMetadata public

[Filipe Laíns]

Change by Filipe Laíns :


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

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[issue25066] Better repr for multiprocessing.synchronize objects

[Andrei Kulakov]

Andrei Kulakov  added the comment:

Nihir: in synchronize.py, only Barrier inherits from threading.Barrier, as far 
as I can see. Other classes inherit from `object`.

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[issue45515] Add reference to zoneinfo in the datetime module documetnation

[Paul Ganssle]

Change by Paul Ganssle :


--
keywords: +patch
pull_requests: +27309
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29038

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[issue45221] Linker flags starting with -h breaks setup.py (regression)

[miss-islington]

miss-islington  added the comment:


New changeset b1949e0b58714724a3105cad3ad1b61384688da7 by Miss Islington (bot) 
in branch '3.10':
[3.10] bpo-45221: Fix handling of LDFLAGS and CPPFLAGS options in setup.py 
(GH-29031) (GH-29037)
https://github.com/python/cpython/commit/b1949e0b58714724a3105cad3ad1b61384688da7


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[issue37295] Possible optimizations for math.comb()

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Microbenchmarks:

$ ./python -m pyperf timeit -s 'from math import comb' '[comb(n, k) for n in 
range(63) for k in range(n+1)]'
Mean +- std dev: 1.57 ms +- 0.07 ms -> 209 us +- 11 us: 7.53x faster

$ ./python -m pyperf timeit -s 'from math import comb' 'comb(62, 31)'
Mean +- std dev: 2.95 us +- 0.14 us -> 296 ns +- 11 ns: 9.99x faster

$ ./python -m pyperf timeit -s 'from math import comb' 'comb(110, 15)'
Mean +- std dev: 1.33 us +- 0.06 us -> 95.8 ns +- 3.1 ns: 13.86x faster

$ ./python -m pyperf timeit -s 'from math import comb' 'comb(1449, 7)'
Mean +- std dev: 689 ns +- 33 ns -> 59.0 ns +- 3.2 ns: 11.69x faster

$ ./python -m pyperf timeit -s 'from math import comb' 'comb(3329022, 3)'
Mean +- std dev: 308 ns +- 19 ns -> 57.2 ns +- 4.2 ns: 5.39x faster

Now I want to try to optimize for larger arguments. Perhaps using recursive 
formula C(n, k) = C(n, j)*C(n-j, k-j)//C(k, j) where j=k//2 could help.

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[issue45515] Add reference to zoneinfo in the datetime module documetnation

[Paul Ganssle]

New submission from Paul Ganssle :

Right now the datetime documentation recommends using `dateutil.tz` for IANA 
time zones, but we should update this to point to `zoneinfo`.

--
assignee: p-ganssle
components: Documentation
messages: 404207
nosy: p-ganssle
priority: low
severity: normal
status: open
title: Add reference to zoneinfo in the datetime module documetnation
versions: Python 3.10, Python 3.11, Python 3.9

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[issue45221] Linker flags starting with -h breaks setup.py (regression)

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 6.0 -> 7.0
pull_requests: +27308
pull_request: https://github.com/python/cpython/pull/29037

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[issue45514] Deprecate legacy functions from importlib.resources (importlib_resources 5.3)

[Jason R. Coombs]

Change by Jason R. Coombs :


--
keywords: +patch
pull_requests: +27307
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29036

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[issue45221] Linker flags starting with -h breaks setup.py (regression)

[Ned Deily]

Ned Deily  added the comment:


New changeset 6a533a423869e28d9086cf4d79029f59e9eec916 by andrei kulakov in 
branch 'main':
bpo-45221: Fix handling of LDFLAGS and CPPFLAGS options in setup.py (GH-29031)
https://github.com/python/cpython/commit/6a533a423869e28d9086cf4d79029f59e9eec916


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[issue40379] multiprocessing's default start method of fork()-without-exec() is broken

[wim glenn]

Change by wim glenn :


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nosy: +wim.glenn

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[issue45514] Deprecate legacy functions from importlib.resources (importlib_resources 5.3)

[Jason R. Coombs]

New submission from Jason R. Coombs :

[importlib_resources 
5.3](https://importlib-resources.readthedocs.io/en/latest/history.html#v5-3-0), 
deprecates the functions in _legacy. Let's introduce that deprecation in 
CPython also.

In addition to merging the changes from importlib_resources, this change will 
require some updates to documentation.

--
assignee: jaraco
components: Library (Lib)
messages: 404205
nosy: FFY00, jaraco
priority: normal
severity: normal
status: open
title: Deprecate legacy functions from importlib.resources (importlib_resources 
5.3)
versions: Python 3.11

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[issue24319] Crash during "make coverage-report"

[Irit Katriel]

Irit Katriel  added the comment:

3.6 is no longer maintained. Is this still an issue on 3.9+?

--
nosy: +iritkatriel
status: open -> pending

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