[issue42627] urllib.request.getproxies() misparses Windows registry proxy settings

[Keuin]

Keuin  added the comment:

The fix is available as a pull request on GitHub for months 
(https://github.com/python/cpython/pull/26307). However, it seems that this 
pull request needs an approval from one maintainer before running any test. 
Could anyone help this out?

--
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[issue45124] Remove deprecated bdist_msi command

[Hugo van Kemenade]

New submission from Hugo van Kemenade :

The bdist_msi command was deprecated in Python 3.9 by bpo-39586 (commit 
2d65fc940b897958e6e4470578be1c5df78e319a).

It can be removed in Python 3.11.

PR to follow.

--
components: Distutils
messages: 401216
nosy: dstufft, eric.araujo, hugovk
priority: normal
severity: normal
status: open
title: Remove deprecated bdist_msi command
versions: Python 3.11

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[issue45124] Remove deprecated bdist_msi command

[Hugo van Kemenade]

Change by Hugo van Kemenade :


--
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pull_requests: +26619
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/28195

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Petr Viktorin]

Petr Viktorin  added the comment:

Marking as *potential* release blocker for 3.10.

Pablo, without this change the newest pip (with [PR 10358]) will not work on 
Python 3.10 built --with-platlibdir.
This configure option was added in 3.9 for distros that separate `/usr/lib` and 
`/usr/lib64`, which used downstream patches before.
Things will be broken if:
* this bug is not fixed in 3.10
* AND `pip` switches to _USE_SYSCONFIG in 3.10 (with merged [PR 10358])
* AND distros don't patch again.

So, if this isn't merged in 3.10, either pip or downstreams will need to 
implement a workaround. (If pip doesn't hold off, downstreams that build  
--with-platlibdir will likely carry this exact patch.)
On the other hand, we're very late in the release cycle.

Note that there's a similar bug in bpo-45035

[PR 10358]: https://github.com/pypa/pip/pull/10358

--
nosy: +lukasz.langa, pablogsal, petr.viktorin
priority: normal -> release blocker

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

IIUC we need to backport PR27655 to 3.10 no? Or do we need something else?

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[issue45125] Improve tests and docs of how `pickle` works with `SharedMemory` obejcts

[Nikita Sobolev]

New submission from Nikita Sobolev :

As we've discussed in https://bugs.python.org/msg401146 we need to improve how 
`SharedMemory` is documented and tested. Right now docs do not cover `pickle` 
at all 
(https://github.com/python/cpython/blob/main/Doc/library/multiprocessing.shared_memory.rst).
 And this is an important aspect in multiprocessing.

`SharedMemory` and `pickle` in `test_shared_memory_basics` 
(https://github.com/python/cpython/blob/a5c6bcf24479934fe9c5b859dd1cf72685a0003a/Lib/test/_test_multiprocessing.py#L3789-L3794):

```
sms.buf[0:6] = b'pickle'
pickled_sms = pickle.dumps(sms)
sms2 = pickle.loads(pickled_sms)
self.assertEqual(sms.name, sms2.name)
self.assertEqual(bytes(sms.buf[0:6]), bytes(sms2.buf[0:6]), b'pickle')
```

`ShareableList` has better coverage in this regard 
(https://github.com/python/cpython/blob/a5c6bcf24479934fe9c5b859dd1cf72685a0003a/Lib/test/_test_multiprocessing.py#L4121-L4144):

```
def test_shared_memory_ShareableList_pickling(self):
sl = shared_memory.ShareableList(range(10))
self.addCleanup(sl.shm.unlink)

serialized_sl = pickle.dumps(sl)
deserialized_sl = pickle.loads(serialized_sl)
self.assertTrue(
isinstance(deserialized_sl, shared_memory.ShareableList)
)
self.assertTrue(deserialized_sl[-1], 9)
self.assertFalse(sl is deserialized_sl)
deserialized_sl[4] = "changed"
self.assertEqual(sl[4], "changed")

# Verify data is not being put into the pickled representation.
name = 'a' * len(sl.shm.name)
larger_sl = shared_memory.ShareableList(range(400))
self.addCleanup(larger_sl.shm.unlink)
serialized_larger_sl = pickle.dumps(larger_sl)
self.assertTrue(len(serialized_sl) == len(serialized_larger_sl))
larger_sl.shm.close()

deserialized_sl.shm.close()
sl.shm.close()
```

So, my plan is:
1. Improve testing of `SharedMemory` after pickling/unpickling. I will create a 
separate test with all the `pickle`-related stuff there
2. Improve docs: user must understand what will have when `SharedMemory`  / 
`SharableList` is pickled and unpickled. For example, the fact that it will 
still be shared can be a surprise to many.

I am going to send a PR with both thing somewhere this week.

I will glad to head any feedback before / after :)

--
assignee: docs@python
components: Documentation, Tests
messages: 401219
nosy: docs@python, sobolevn
priority: normal
severity: normal
status: open
title: Improve tests and docs of how `pickle` works with `SharedMemory` obejcts
type: behavior
versions: Python 3.10, Python 3.11, Python 3.8, Python 3.9

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[issue45052] WithProcessesTestSharedMemory.test_shared_memory_basics fails on Windows

[Nikita Sobolev]

Nikita Sobolev  added the comment:

Closing and moving to https://bugs.python.org/issue45125

--
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status: open -> closed

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Petr Viktorin]

Petr Viktorin  added the comment:

Possibly together with PR28011.

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[miss-islington]

Change by miss-islington :


--
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nosy_count: 5.0 -> 6.0
pull_requests: +26621
pull_request: https://github.com/python/cpython/pull/28196

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 4f88161f07538dfb24a43189fd59bf966cb40817 by Tzu-ping Chung in 
branch 'main':
bpo-45035: Make sysconfig posix_home depend on platlibdir (GH-28011)
https://github.com/python/cpython/commit/4f88161f07538dfb24a43189fd59bf966cb40817


--
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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 9.0 -> 10.0
pull_requests: +26622
pull_request: https://github.com/python/cpython/pull/28197

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[issue44963] anext_awaitable is not a collections.abc.Generator

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 533e725821b15e2df2cd4479a34597c1d8faf616 by Pablo Galindo Salgado 
in branch 'main':
bpo-44963: Implement send() and throw() methods for anext_awaitable objects 
(GH-27955)
https://github.com/python/cpython/commit/533e725821b15e2df2cd4479a34597c1d8faf616


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[issue44963] anext_awaitable is not a collections.abc.Generator

[miss-islington]

Change by miss-islington :


--
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nosy_count: 7.0 -> 8.0
pull_requests: +26623
pull_request: https://github.com/python/cpython/pull/28198

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[issue39586] Deprecate bdist_msi: use bdist_wheel instead

[Hugo van Kemenade]

Hugo van Kemenade  added the comment:

Following this deprecation in Python 3.9, please see 
https://bugs.python.org/issue45124 / 
https://github.com/python/cpython/pull/28195 to remove the deprecation in 
Python 3.11.

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[issue38644] Pass explicitly tstate to function calls

[STINNER Victor]

STINNER Victor  added the comment:

Raymond:
> This adds cost to our most critical code paths.  For example, type_call() 
> will now be slower for every single object instantiation.

This issue is now closed. Please open a new issue if you consider that the code 
should be modified. It would also help to have a benchmark if it's a 
performance regression ;-)

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[issue45124] Remove deprecated bdist_msi command

[STINNER Victor]

STINNER Victor  added the comment:


New changeset eb254b43d2916ef8c0e9ca815fe047411d848aae by Hugo van Kemenade in 
branch 'main':
bpo-45124: Remove the bdist_msi command (GH-28195)
https://github.com/python/cpython/commit/eb254b43d2916ef8c0e9ca815fe047411d848aae


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[issue45124] Remove deprecated bdist_msi command

[STINNER Victor]

STINNER Victor  added the comment:

Thanks, I merged your PR.

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

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Petr Viktorin]

Petr Viktorin  added the comment:

Here, I'm not sure. What do people use --home for?

I don't think we need to match the `/usr/` scheme here. For Python software 
that's not part of a distro, I think just `lib/` is fine.

--
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[issue45125] Improve tests and docs of how `pickle` works with `SharedMemory` obejcts

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Go ahead. Fix also other issues in tests:

* All pickling tests should test with all supported protocols, not just with 
the default one.

* self.assertTrue(
isinstance(deserialized_sl, shared_memory.ShareableList)
)
assertIsinstance() can be used here.

* self.assertTrue(deserialized_sl[-1], 9)
What is this? If it tests that deserialized_sl[-1] is true, 9 should be 
removed. Should it be assertEqual() instead?

* self.assertFalse(sl is deserialized_sl)
assertIs() can be used here.

* self.assertTrue(len(serialized_sl) == len(serialized_larger_sl))
assertEqual() can be used here.

* All close() should either be called in the finally block, or registered with 
addCleanup(). Otherwise we will heave resource leaks if tests fail.

There may be other issues in other tests. Seems these tests need a clean up.

--
nosy: +serhiy.storchaka

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Hum, I reviewed PR 38011 and the change made sense to me, but If you think 
we should reconsider PR 28011, please say so ASAP because the 3.10 backport is 
close to be merged

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[issue45119] test_signal.test_itimer_virtual() failed on AMD64 Fedora Rawhide 3.x

[STINNER Victor]

STINNER Victor  added the comment:

The regression seems to come from this recent Linux kernel change:
https://github.com/torvalds/linux/commit/406dd42bd1ba0c01babf9cde169bb319e52f6147

If fixing the kernel takes too long, we can temporarily skip the test on Linux 
kernel 5.15 (or newer).

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[issue45123] PyAiter_Check & PyObject_GetAiter issues

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 2c3474a637949aa6f2f7e15f9764c2dfc49cdba1 by Yury Selivanov in 
branch 'main':
bpo-45123: PyAiter_Check and PyObject_GetAiter fix & rename. (GH-28194)
https://github.com/python/cpython/commit/2c3474a637949aa6f2f7e15f9764c2dfc49cdba1


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[issue45123] PyAiter_Check & PyObject_GetAiter issues

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 2.0 -> 3.0
pull_requests: +26624
pull_request: https://github.com/python/cpython/pull/28199

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[issue44963] anext_awaitable is not a collections.abc.Generator

[miss-islington]

miss-islington  added the comment:


New changeset adc80a58f9683468e0ba5a6eed72040f7f6ba405 by Miss Islington (bot) 
in branch '3.10':
bpo-44963: Implement send() and throw() methods for anext_awaitable objects 
(GH-27955)
https://github.com/python/cpython/commit/adc80a58f9683468e0ba5a6eed72040f7f6ba405


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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Miro Hrončok]

Miro Hrončok  added the comment:

> I don't think we need to match the `/usr/` scheme here. For Python software 
> that's not part of a distro, I think just `lib/` is fine.

I agree.

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[issue44964] Semantics of PyCode_Addr2Line() changed

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


--
keywords: +patch
pull_requests: +26625
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/28200

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[issue27277] Test runner should try to increase stack size if it is too low

[Irit Katriel]

Change by Irit Katriel :


--
components:  -Interpreter Core
nosy: +iritkatriel, serhiy.storchaka
title: Fatal Python error: Segmentation fault in test_exceptions -> Test runner 
should try to increase stack size if it is too low
type: crash -> enhancement
versions: +Python 3.11 -Python 3.6

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Miro, Petr, do you think then that we should revert PR 28011

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[issue44963] anext_awaitable is not a collections.abc.Generator

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


--
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status: open -> closed

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Petr Viktorin]

Petr Viktorin  added the comment:

The use case is a "personal stash of Python modules", described here: 
https://docs.python.org/3/install/#alternate-installation-the-home-scheme

We don't need the lib/lib64 distinction here.  I'd revert the 3.11 change and 
go with /lib/ only.

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[issue36550] Avoid creating AttributeError exceptions in the debugger

[Irit Katriel]

Irit Katriel  added the comment:

Closing as the bug is not clear and the OP is not responding to requests on the 
PR to clarify it. Please create a new issue if you are still seeing a problem.

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


--
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pull_request: https://github.com/python/cpython/pull/28201

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Ok, I am reverting PR 28011. Someone should check it again and decide what to 
do, but this won't enter 3.10

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[issue44964] Semantics of PyCode_Addr2Line() changed

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset fa2c0b85a8d5c9486661083afdf38cbaadb3432a by Pablo Galindo Salgado 
in branch 'main':
bpo-44964: Add a note explaining the new semantics of f_last_i in frame objects 
(GH-28200)
https://github.com/python/cpython/commit/fa2c0b85a8d5c9486661083afdf38cbaadb3432a


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[issue44964] Semantics of PyCode_Addr2Line() changed

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 2.0 -> 3.0
pull_requests: +26627
pull_request: https://github.com/python/cpython/pull/28202

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[issue44964] Semantics of PyCode_Addr2Line() changed

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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

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[issue37997] Segfault when using pickle with exceptions and dynamic class inheritance

[Irit Katriel]

Irit Katriel  added the comment:

I am unable to reproduce the crash with either example on 3.9 or 3.11 on a Mac. 
Please create a new issue if you still see a problem on a current version (>= 
3.9).

--
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stage:  -> resolved
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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 608a6292366ebba20f33d93d8b52cbb928429e47 by Miss Islington (bot) 
in branch '3.10':
bpo-44860: Make sysconfig posix_user not depend on platlibdir (GH-27655) 
(GH-28197)
https://github.com/python/cpython/commit/608a6292366ebba20f33d93d8b52cbb928429e47


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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Petr, is something left to do for this release blocker? I am planning to start 
the release if everything is OK

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[issue44964] Semantics of PyCode_Addr2Line() changed

[miss-islington]

miss-islington  added the comment:


New changeset fc840736e54da0557616882012f362b809490165 by Miss Islington (bot) 
in branch '3.10':
bpo-44964: Add a note explaining the new semantics of f_last_i in frame objects 
(GH-28200)
https://github.com/python/cpython/commit/fc840736e54da0557616882012f362b809490165


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[issue45123] PyAiter_Check & PyObject_GetAiter issues

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 53257cf19fc06fff446815b3278d4b80ec3e7ba3 by Miss Islington (bot) 
in branch '3.10':
bpo-45123: PyAiter_Check and PyObject_GetAiter fix & rename. (GH-28194) 
(GH-28199)
https://github.com/python/cpython/commit/53257cf19fc06fff446815b3278d4b80ec3e7ba3


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[issue42064] Convert sqlite3 to multi-phase initialisation (PEP 489)

[Petr Viktorin]

Petr Viktorin  added the comment:


New changeset 0474d06008f8c9eba660ed20d336ffdc5c4db121 by Erlend Egeberg 
Aasland in branch 'main':
bpo-44991: Normalise `sqlite3` callback naming (GH-28088)
https://github.com/python/cpython/commit/0474d06008f8c9eba660ed20d336ffdc5c4db121


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[issue44991] [sqlite3] cleanup callbacks (GIL handling, naming, ...)

[Petr Viktorin]

Petr Viktorin  added the comment:


New changeset 0474d06008f8c9eba660ed20d336ffdc5c4db121 by Erlend Egeberg 
Aasland in branch 'main':
bpo-44991: Normalise `sqlite3` callback naming (GH-28088)
https://github.com/python/cpython/commit/0474d06008f8c9eba660ed20d336ffdc5c4db121


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[issue44991] [sqlite3] cleanup callbacks (GIL handling, naming, ...)

[Petr Viktorin]

Petr Viktorin  added the comment:

The remaining function_pinboard_* renames are part of PR-27940.

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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

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[issue45123] PyAiter_Check & PyObject_GetAiter issues

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado :


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

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:


New changeset 97b754d4b46ad9dd63f68906484f805931578c81 by Pablo Galindo Salgado 
in branch 'main':
Revert "bpo-45035: Make sysconfig posix_home depend on platlibdir (GH-28011)" 
(GH-28201)
https://github.com/python/cpython/commit/97b754d4b46ad9dd63f68906484f805931578c81


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[issue45126] [sqlite3] cleanup and harden connection init

[Erlend E. Aasland]

New submission from Erlend E. Aasland :

Quoting Petr Viktorin in PR 27940, 
https://github.com/python/cpython/pull/27940#discussion_r703424148:

- db is not set to NULL if init fails.
- This segfaults for me:

  import sqlite3

  conn = sqlite3.connect(':memory:')
  conn.execute('CREATE TABLE foo (bar)')

  try:
  conn.__init__('/bad-file/')
  except sqlite3.OperationalError:
  pass

  conn.execute('INSERT INTO foo (bar) VALUES (1), (2), (3), (4)')


Other issues:
- reinitialisation is not handled gracefully
- __init__ is messy; members are initialised here and there


Suggested to reorder connection __init__ in logical groups to more easily 
handle errors:
  1. handle reinit
  2. open and configure database
  3. create statement LRU cache and weak ref cursor list
  4. initialise members in the order they're defined in connection.h
  5. set isolation level, since it's a weird case anyway

--
components: Extension Modules
messages: 401248
nosy: erlendaasland, petr.viktorin
priority: normal
severity: normal
status: open
title: [sqlite3] cleanup and harden connection init
versions: Python 3.11

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[Petr Viktorin]

Petr Viktorin  added the comment:

I believe everything is in order now.

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[issue45034] Improve struct.pack out of range error messages

[Mark Dickinson]

Mark Dickinson  added the comment:


New changeset 8ca6b61e3fd7f1e2876126cee82da8d812c8462f by Nikita Sobolev in 
branch 'main':
bpo-45034: Fix how upper limit is formatted for `struct.pack("H", ...)` 
(GH-28178)
https://github.com/python/cpython/commit/8ca6b61e3fd7f1e2876126cee82da8d812c8462f


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[issue45111] whole website translation error

[Eric V. Smith]

Eric V. Smith  added the comment:

Per PEP 545, you should probably raise this on the doc-sig mailing list 
(https://mail.python.org/mailman/listinfo/doc-sig), and/or one of the repos 
https://github.com/python/python-docs-zh-cn or 
https://github.com/python/python-docs-zh-cn.

I'm going to close this issue here, since there's no action item for core 
python. I'm going to call it a "third party" resolution, because that seems 
better than "not a bug", but I realize it doesn't really fit.

--
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resolution:  -> third party
stage:  -> resolved
status: open -> closed

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[issue36550] Avoid creating AttributeError exceptions in the debugger

[daniel hahler]

daniel hahler  added the comment:

Given code like the following the try/except handling of Pdb (via `Cmd.onecmd`, 
see https://github.com/python/cpython/pull/4666) will mess with 
`sys.exc_info()`, which could be avoided:

```
try:
raise ValueError()
except Exception as exc:
e = exc
__import__('pdb').set_trace()
```

```
% ./python t_issue36550.py
--Return--
> …/t_issue36550.py(5)()->None
-> __import__('pdb').set_trace()
(Pdb) import sys; sys.exc_info()
(, AttributeError("'Pdb' object has no attribute 
'do_import'"), )
```

The initial / better motivation was described in the original issue: with 
pdb++/pdbpp I want to display tracebacks/errors with errors that might occur 
via Pdb's prompt, where this then showed up as interfering with it.

(Sorry for not responding on https://github.com/python/cpython/pull/4666 
earlier, but I think it is only part of this issue, and therefore it should not 
get closed, and also creating a new one instead does not sound useful to me, so 
please consider to re-open it instead.)

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

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[issue45034] Improve struct.pack out of range error messages

[Mark Dickinson]

Mark Dickinson  added the comment:

The out-of-range error messages for unsigned short and short have been fixed, 
thanks to Nikita Sobolev. They resulted from a rather odd use of the 
Py_STRINGIFY macro, which meant that not only were the messages obscure, but 
they differed from system to system: e.g., on my machine I get: "struct.error: 
ushort format requires 0 <= number <= (32767 *2 +1)", and "struct.error: short 
format requires (-32767 -1) <= number <= 32767", complete with the weird 
spacing.

There's still room for normalising the other messages and/or converting the 
limits to hex if anyone wants to provide a PR.

I'm unsure about using hex universally: while `0x` (or even 
better, `0x___`) is definitely more useful than 
`18446744073709551615`, I think I'd still find `-128` more immediately readable 
than `-0x80`.

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[issue44869] MacOS Monterrey malloc issue

[Eduardo Morales]

Eduardo Morales  added the comment:

Not sure if this is helpful, but I am attaching the MacOS bug log that is 
auto-generated when Python fails.

--
Added file: https://bugs.python.org/file50267/bug.log

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[issue44869] MacOS Monterrey malloc issue

[Eduardo Morales]

Eduardo Morales  added the comment:

Also:

(base) ➜  backend git:(development) ✗ PYTHONFAULTHANDLER=1 python3 server.py

CONFIG_FILE=../config/development.json
Python(27657,0x10839f600) malloc: *** error for object 0x7ffb4ac81d10: pointer 
being freed was not allocated
Python(27657,0x10839f600) malloc: *** set a breakpoint in malloc_error_break to 
debug
Fatal Python error: Aborted

Current thread 0x00010839f600 (most recent call first):
  File 
"/Users/edumoralesibm/fantasy-football-health-dashboard/backend/server.py", 
line 26 in 
[1]27657 abort  PYTHONFAULTHANDLER=1 python3 server.py

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[issue44869] MacOS Monterrey malloc issue

[Eduardo Morales]

Change by Eduardo Morales :


--
versions: +Python 3.11

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[issue17970] Mutlithread XML parsing cause segfault

[Irit Katriel]

Irit Katriel  added the comment:

I've reproduced the segfault on 3.11.

--
nosy: +iritkatriel
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 2.7, Python 3.3, Python 
3.4

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[issue21825] Embedding-Python example code from documentation crashes

[Irit Katriel]

Irit Katriel  added the comment:

3.4 is long out of maintenance, please create a new issue if you are seeing 
this problem on a current version (>= 3.9).

You are more likely to receive a response if you include a precise and complete 
description of the problem. For example, instead of saying "The example on your 
website", put a link to this example.   I'm not sure what the "multiply.py" 
script you mention is.   The less detective work a core dev needs to do just to 
understand the issue, the more likely they are to want to look into it.

--
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resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue42064] Convert sqlite3 to multi-phase initialisation (PEP 489)

[Petr Viktorin]

Petr Viktorin  added the comment:


New changeset 979336de34e3d3f40cf6e666b72a618f6330f3c1 by Erlend Egeberg 
Aasland in branch 'main':
bpo-42064: Pass module state to trace, progress, and authorizer callbacks 
(GH-27940)
https://github.com/python/cpython/commit/979336de34e3d3f40cf6e666b72a618f6330f3c1


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[issue44991] [sqlite3] cleanup callbacks (GIL handling, naming, ...)

[Petr Viktorin]

Change by Petr Viktorin :


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

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[issue36550] Avoid creating AttributeError exceptions in the debugger

[Irit Katriel]

Irit Katriel  added the comment:

Reopened.

--
resolution: rejected -> 
status: closed -> open
versions:  -Python 3.6, Python 3.7, Python 3.8

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[STINNER Victor]

Change by STINNER Victor :


--
pull_requests: +26628
pull_request: https://github.com/python/cpython/pull/28204

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[issue44219] Opening a file holds the GIL when it calls "isatty()"

[Vincent Michel]

Vincent Michel  added the comment:

My team ran into this issue while developing a fuse application too.

In an effort to help this issue move forward, I tried to list all occurrences 
of the `isatty` C function in the cpython code base. I found 14 of them.

9 of them are directly related to stdin/stdout/stderr, so it's probably not 
crucial to release the GIL for those occurrences:
- `main.c:stdin_is_interactive`
- `main.c:pymain_import_readline`
- `readline.c:setup_readline`
- `bltinmodule.c:builtin_input_impl` (x2)
- `frozenmain.c:Py_FrozenMain`
- `pylifecycle.c:Py_FdIsInteractive` (x2)
- `fileobject.c:stdprinter_isatty` (GIL is actually released for this one)

Out of the remaining 4, only 1 releases the GIL:
- `fileio.c:_io_FileIO_isatty_impl`: used for `FileIO.isatty`

Which gives 3 occurrences of non-stdstream specific usage of `isatty` that do 
not release the GIL:
- `posixmodule.c:os_isatty_impl`: used by `os.isatty`
- `fileutils.c:_Py_device_encoding`: used `TextIOWrapper.__init__`
- `fileutils.c:_Py_write_impl`: windows specific, issue #11395

The first one is used by `os.isatty` which means this call can also deadlock. I 
did manage to reproduce it with a simple fuse loopback file system: 
https://github.com/fusepy/fusepy/blob/master/examples/loopback.py

The second one is the one found by @smurfix and gets triggered when `io.open()` 
is used in text mode.

The third one only triggers on windows when writing more than 32767 bytes to a 
file descriptor. A comment points to issue #11395 
(https://bugs.python.org/issue11395). Also, it seems from the function 
signature that this function might be called with or without the GIL held, 
which might cause the fix to be a bit more complicated than the first two use 
cases.

I hope this helps.

--
nosy: +vxgmichel

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[issue45052] WithProcessesTestSharedMemory.test_shared_memory_basics fails on Windows

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

This seem to have caused several errors that have manifested on the release of 
3.10.0rc2:

test test_multiprocessing_fork failed -- Traceback (most recent call last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File 
"/tmp/tmpu30qfjpr/installation/lib/python3.10/test/_test_multiprocessing.py", 
line 3818, in test_shared_memory_basics
with unittest.mock.patch(
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1422, in __enter__
self.target = self.getter()
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1609, in 
getter = lambda: _importer(target)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1252, in _importer
thing = _dot_lookup(thing, comp, import_path)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1242, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

0:09:11 load avg: 0.71 [231/427/1] test_multiprocessing_forkserver -- 
test_multiprocessing_fork failed (1 error) in 1 min 11 sec
test test_multiprocessing_forkserver failed -- Traceback (most recent call 
last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File 
"/tmp/tmpu30qfjpr/installation/lib/python3.10/test/_test_multiprocessing.py", 
line 3818, in test_shared_memory_basics
with unittest.mock.patch(
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1422, in __enter__
self.target = self.getter()
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1609, in 
getter = lambda: _importer(target)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1252, in _importer
thing = _dot_lookup(thing, comp, import_path)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1242, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

0:11:11 load avg: 0.93 [232/427/2] test_multiprocessing_main_handling -- 
test_multiprocessing_forkserver failed (1 error) in 2 min
0:11:18 load avg: 1.09 [233/427/2] test_multiprocessing_spawn
test test_multiprocessing_spawn failed -- Traceback (most recent call last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

--
nosy: +pablogsal

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[STINNER Victor]

STINNER Victor  added the comment:

See also the email on python-dev:
https://mail.python.org/archives/list/python-...@python.org/thread/5UU6V2B3KBS4Z7OG5T7D6YQZASFNSBJM/

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[STINNER Victor]

STINNER Victor  added the comment:

See also the email on python-dev:
https://mail.python.org/archives/list/python-...@python.org/thread/5UU6V2B3KBS4Z7OG5T7D6YQZASFNSBJM/

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[STINNER Victor]

STINNER Victor  added the comment:

I wrote the PR 28204 to change the unix_home used by the distutils install 
command. Previous code:

if sys.version_info >= (3, 9) and key == "platlib":
# platlibdir is available since 3.9: bpo-1294959
value = value.replace("/lib/", "/$platlibdir/")
INSTALL_SCHEMES[main_key][key] = value

This code was added by:

commit 341e8a939aca6e9f59ffb0e6daee5888933694ed
Author: Lumír 'Frenzy' Balhar 
Date:   Wed Apr 14 17:12:34 2021 +0200

bpo-41282: (PEP 632) Load install schemes from sysconfig (GH-24549)

Modifying the unix_home was not the intended behavior.

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[issue44860] sysconfig's posix_user scheme has different platlib value to distutils's unix_user

[STINNER Victor]

STINNER Victor  added the comment:

Let's continue the discussion for the unix_home scheme in bpo-45035.

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[issue38820] Make Python compatible with OpenSSL 3.0.0

[Christian Heimes]

Change by Christian Heimes :


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pull_request: https://github.com/python/cpython/pull/28205

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

I'm doing the release of 3.10.0rc2 as we speak. Please, review this ASAP or 
otherwise this PR will not be backported to 3.10.0 and will have to wait to 
3.10.1 as per the devguide.

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Petr Viktorin]

Petr Viktorin  added the comment:

AFAICS: this is a bug, but in deprecated code. Not worth fixing in 3.11, and 
definitely not worth fixing in a RC, and .

People should stop using distutils, and those who can't won't be happy with 
changes to it. Consider that existing distutils issues on bpo were already 
auto-closed.

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[issue44348] test_exceptions.ExceptionTests.test_recursion_in_except_handler stack overflow on Windows debug builds

[STINNER Victor]

STINNER Victor  added the comment:


New changeset fb305092a5d7894b41f122c1a1117b3abf4c567e by Victor Stinner in 
branch 'main':
bpo-44348: BaseException deallocator uses trashcan (GH-28190)
https://github.com/python/cpython/commit/fb305092a5d7894b41f122c1a1117b3abf4c567e


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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Petr Viktorin]

Petr Viktorin  added the comment:

(Sorry for the extra `and`; I hit Submit too soon)

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[issue44348] test_exceptions.ExceptionTests.test_recursion_in_except_handler stack overflow on Windows debug builds

[STINNER Victor]

STINNER Victor  added the comment:

Even if Python 3.9 and 3.10 have the idea, I don't think that long exception 
chains are common enough to justify a backport. I prefer to leave the code as 
it it in stable branches, and see how things go with the change in the main 
branch. I close the issue.

--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions:  -Python 3.10, Python 3.9

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[issue45094] Consider using __forceinline and __attribute__((always_inline)) on static inline functions (Py_INCREF, Py_TYPE) for debug builds

[STINNER Victor]

STINNER Victor  added the comment:

Using __forceinline didn't fix test_exceptions: see 
https://bugs.python.org/issue44348#msg401185

Since I created the issue to fix bpo-44348 and it doesn't work, I close the 
issue.

Moreover, always inlining can have a negative impact on release builds.

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

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[issue45115] Windows: enable compiler optimizations when building Python in debug mode

[STINNER Victor]

STINNER Victor  added the comment:

Steve:
> I strongly disagree. If CI needs to be faster, please just change the CI 
> configuration. If contributors have to wait a few minutes longer, they can 
> wait - they'll save that time in local compilations.
> Local debugging absolutely relies on debug builds. You'd be destroying the 
> workflow of most Windows-based developers with this change. It's not worth it.

Ok, I reject my issue.

I found a portable way to fix bpo-44348: it doesn't depend on the OS, nor the 
compiler, nor compiler options. The fix is to use the trashcan mecanism in the 
BaseException deallocator: commit fb305092a5d7894b41f122c1a1117b3abf4c567e.

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

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[issue45119] test_signal.test_itimer_virtual() failed on AMD64 Fedora Rawhide 3.x: Linux kernel 5.15 regression

[STINNER Victor]

Change by STINNER Victor :


--
title: test_signal.test_itimer_virtual() failed on AMD64 Fedora Rawhide 3.x -> 
test_signal.test_itimer_virtual() failed on AMD64 Fedora Rawhide 3.x: Linux 
kernel 5.15 regression

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[issue34498] Python 3.7 breaks on singledispatch_function.register(pseudo_type), which Python 3.6 accepted

[Irit Katriel]

Irit Katriel  added the comment:

Reproduced on 3.11.

I've changed type because crash typically refers to segfault rather than an 
exception being raised.

--
nosy: +iritkatriel
type: crash -> behavior
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.7

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[issue34498] Python 3.7+ break on singledispatch_function.register(pseudo_type), which Python 3.6 accepted

[Irit Katriel]

Change by Irit Katriel :


--
title: Python 3.7 breaks on singledispatch_function.register(pseudo_type), 
which Python 3.6 accepted -> Python 3.7+ break on 
singledispatch_function.register(pseudo_type), which Python 3.6 accepted

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[issue45052] WithProcessesTestSharedMemory.test_shared_memory_basics fails on Windows

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

I'm planning to revert PR 28185 because this is blocking the release

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[issue27658] python 3.5.2 built from source fails to install completely on Mac OS X 10.11.6. Crashes subsequently.

[Irit Katriel]

Irit Katriel  added the comment:

3.5 is long out of maintenance. I suggest we close this and look into it if the 
problem is reported for a newer version.

--
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resolution:  -> third party
status: open -> pending

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[issue45127] Code objects can contain unmarshallable objects

[Petr Viktorin]

New submission from Petr Viktorin :

The `replace` method of `code` allows setting e.g.
* co_filename to a subclass of str
* co_consts to an arbitrary tuple
and possibly more weird cases.

This makes code objects unmarshallable.

One way to create such a code object is to call `compileall.compile_file` with 
a str subclass as path. See the attached reproducers.

This hit pip, see: https://github.com/pypa/pip/pull/10358#issuecomment-914320728

--
files: reproducer_replace.py
messages: 401277
nosy: petr.viktorin
priority: normal
severity: normal
status: open
title: Code objects can contain unmarshallable objects
Added file: https://bugs.python.org/file50268/reproducer_replace.py

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[issue45127] Code objects can contain unmarshallable objects

[Petr Viktorin]

Change by Petr Viktorin :


Added file: https://bugs.python.org/file50269/reproducer_compileall.py

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[issue45127] Code objects can contain unmarshallable objects

[Petr Viktorin]

Petr Viktorin  added the comment:

How to fix this? I guess:

* co_filename should be converted to an actual str, or reject subclasses with 
an exception
* for co_consts, the [marshal docs] could be updated to add code objects to 
"containers". The [code docs] already say co_consts "is a tuple containing the 
literals"; if someone's putting in non-literals they're voiding the warranty.

And so on for all other fields of code objects.

[marshal docs]: https://docs.python.org/3/library/marshal.html
[code docs]: https://docs.python.org/3.9/reference/datamodel.html#index-55

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[issue45122] Remove PyCode_New and PyCode_NewWithPosOnlyArgs

[Guido van Rossum]

Guido van Rossum  added the comment:

Da-woods, can you take care of that?

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[issue42839] SourceFileLoader does not (fully) accept path-like objects

[Petr Viktorin]

Petr Viktorin  added the comment:

I just filed the slightly more general bpo-45127.

--
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[issue45127] Code objects can contain unmarshallable objects

[Petr Viktorin]

Petr Viktorin  added the comment:

See also bpo-42839

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[issue45035] sysconfig's posix_home scheme has different platlib value to distutils's unix_home

[Diego Ramirez]

Change by Diego Ramirez :


--
nosy: +DiddiLeija

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[issue34262] Asyncio test fails under Win 7

[Irit Katriel]

Irit Katriel  added the comment:

Changing type since the crash was fixed under issue23919.

There remains (possibly) the failure of 
test_sendfile_close_peer_in_the_middle_of_receiving.

--
nosy: +iritkatriel
type: crash -> behavior

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[issue45089] [sqlite3] the trace callback does not raise exceptions on error

[Erlend E. Aasland]

Erlend E. Aasland  added the comment:

Quoting Petr from PR 28133:
  Without the ability to tell SQLite to abort on trace failure, I doubt we can
  do much better than the current behavior. Getting an exception and having
  the data inserted seems quite irregular.


Closing this issue as won't fix.

--
resolution:  -> wont fix
stage: patch review -> resolved
status: open -> closed

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[issue45121] Regression in 3.9.7 with typing.Protocol

[Yurii Karabas]

Change by Yurii Karabas <1998uri...@gmail.com>:


--
keywords: +patch
nosy: +uriyyo
nosy_count: 3.0 -> 4.0
pull_requests: +26630
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/28206

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[issue45121] Regression in 3.9.7 with typing.Protocol

[Eric V. Smith]

Eric V. Smith  added the comment:

Sorry I didn't notice your reference to issue 45081.

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[issue35270] Cmd.complete does not handle cmd=None

[Irit Katriel]

Irit Katriel  added the comment:

Changing type since crash is typically used for a segfault rather than an 
exception.

--
nosy: +iritkatriel
type: crash -> behavior

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[issue45042] Many multiprocessing tests are silently skipped since 3.9

[Nikita Sobolev]

Change by Nikita Sobolev :


--
pull_requests: +26631
pull_request: https://github.com/python/cpython/pull/28182

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[issue34846] Runtime failure with Failed to import site module

[Irit Katriel]

Irit Katriel  added the comment:

It doesn't look like there is enough information here to do anything about 
this, and there has been no response from the OP to follow-up questions. I 
think we need to close it.

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

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[issue45128] test_multiprocessing fails sporadically on the release artifacts

[Pablo Galindo Salgado]

New submission from Pablo Galindo Salgado :

While testing the release artifacts I encountered this failure:

test test_multiprocessing_fork failed -- Traceback (most recent call last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File 
"/tmp/tmpu30qfjpr/installation/lib/python3.10/test/_test_multiprocessing.py", 
line 3818, in test_shared_memory_basics
with unittest.mock.patch(
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1422, in __enter__
self.target = self.getter()
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1609, in 
getter = lambda: _importer(target)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1252, in _importer
thing = _dot_lookup(thing, comp, import_path)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1242, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

0:09:11 load avg: 0.71 [231/427/1] test_multiprocessing_forkserver -- 
test_multiprocessing_fork failed (1 error) in 1 min 11 sec
test test_multiprocessing_forkserver failed -- Traceback (most recent call 
last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File 
"/tmp/tmpu30qfjpr/installation/lib/python3.10/test/_test_multiprocessing.py", 
line 3818, in test_shared_memory_basics
with unittest.mock.patch(
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1422, in __enter__
self.target = self.getter()
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1609, in 
getter = lambda: _importer(target)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1252, in _importer
thing = _dot_lookup(thing, comp, import_path)
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1242, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'

0:11:11 load avg: 0.93 [232/427/2] test_multiprocessing_main_handling -- 
test_multiprocessing_forkserver failed (1 error) in 2 min
0:11:18 load avg: 1.09 [233/427/2] test_multiprocessing_spawn
test test_multiprocessing_spawn failed -- Traceback (most recent call last):
  File "/tmp/tmpu30qfjpr/installation/lib/python3.10/unittest/mock.py", line 
1239, in _dot_lookup
return getattr(thing, comp)
AttributeError: module 'multiprocessing' has no attribute 'shared_memory'


I cannot reproduce it from installed Python or when testing directly on the 
repo, but the error seems to still happen from time to time.

--
components: Tests
messages: 401287
nosy: pablogsal
priority: normal
severity: normal
status: open
title: test_multiprocessing fails sporadically on the release artifacts
versions: Python 3.10

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[issue45052] WithProcessesTestSharedMemory.test_shared_memory_basics fails on Windows

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Opened https://bugs.python.org/issue45128

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[issue39570] Python 3.7.3 Crash on msilib actions

[Irit Katriel]

Irit Katriel  added the comment:

I personally don't feel like downloading a binary from b.p.o and opening it on 
my machine.

Can you provide more information about the issue? For instance, what do you 
mean by crash? Do you have any stack trace or other output?

What is the value in the registry table that it is trying to read and failing?

--
nosy: +iritkatriel

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[issue45129] Remove deprecated reuse_address parameter from create_datagram_endpoint()

[Hugo van Kemenade]

New submission from Hugo van Kemenade :

The reuse_address parameter was deprecated in Python 3.9 by bpo-37228.

It can be removed in Python 3.11.

PR to follow.

--
components: asyncio
messages: 401290
nosy: asvetlov, hugovk, yselivanov
priority: normal
severity: normal
status: open
title: Remove deprecated reuse_address parameter from create_datagram_endpoint()
versions: Python 3.11

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[issue45128] test_multiprocessing fails sporadically on the release artifacts

[Nikita Sobolev]

Nikita Sobolev  added the comment:

Related issues:
- https://bugs.python.org/issue45042
- https://bugs.python.org/issue45052

--
nosy: +sobolevn

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