[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:

> d:\dev\cpython\modules\expat\xmltok.c

This file is copied directly from https://github.com/libexpat/libexpat/ 
project. Would you mind to propose your patch there?

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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

STINNER Victor  added the comment:

> Will you forward port your change to master, Victor?

Sure, it was my plan: PR 16508. I chose to fix 3.8 first to unblock the 
3.8.0rc1 release.

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[issue33418] Memory leaks in functions

[Neil Schemenauer]

Change by Neil Schemenauer :


--
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[issue38332] invalid content-transfer-encoding in encoded-word causes KeyError

[Andrei Troie]

Andrei Troie  added the comment:

I agree with you that according to the RFC, the cte can of course only be "B" 
or "Q". My point is that, in my example, if you try to do that you get a 
KeyError propagating all the way down to email.message.get(), which I believe 
is incorrect. 

Consider an encoded word which is syntactically incorrect in a different way, 
like  if for instance it's missing the terminating '?=':

'=?UTF-8?Q?somevalue'

Currently, this case will cause _encoded_words.py to throw a ValueError on this 
line:

_, charset, cte, cte_string, _ = ew.split('?')

Which is then caught by _header_value_parser.get_encoded_word() and handled 
appropriately.

To me this is the same kind of thing. I agree that an exception should be 
thrown, I just don't think it should propagate all the way back to the caller 
of email.message.get().

On a separate note, I agree with you that perhaps _encoded_words.decode() 
should throw more specific exceptions instead of ValueError and KeyError but 
that's a separate thing. I can fix that if you prefer.

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[issue38304] PEP 587 implementation is not ABI forward compatible

[Łukasz Langa]

Łukasz Langa  added the comment:

Will you forward port your change to master, Victor?

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[issue38294] Documentation on 3.6->3.7 re.escape no longer escaping "/" or ":" should be obvious

[Ricardo Bánffy]

Change by Ricardo Bánffy :


--
title: re.escape no longer escapes "/" or ":" -> Documentation on 3.6->3.7 
re.escape no longer escaping "/" or ":" should be obvious

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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16508

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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 3c30a76f3d3c0dcc1fb4de097fa4a3a4c92c0b0b by Victor Stinner in 
branch 'master':
bpo-38304: Remove PyConfig.struct_size (GH-16500) (GH-16508)
https://github.com/python/cpython/commit/3c30a76f3d3c0dcc1fb4de097fa4a3a4c92c0b0b


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[issue38297] Imports at top of module is often not used

[Christian Heimes]

Christian Heimes  added the comment:

A considerable amount of code is a lot older than PEP 8, some even over a 
decade older. Even newer code in the stdlib does not conform to PEP 8 for 
multiple reasons, e.g. external modules was incorporated into the stdlib.

PEP 8 sections "Introduction" and "A Foolish Consistency is the Hobgoblin of 
Little Minds" explain why parts stdlib do not follow PEP 8.

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[issue38270] Tests: Avoid MD5 or check for MD5 availablity

[Christian Heimes]

Change by Christian Heimes :


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[issue38332] invalid content-transfer-encoding in encoded-word causes KeyError

[Andrei Troie]

Change by Andrei Troie :


--
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pull_requests: +16094
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16503

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[issue22377] %Z in strptime doesn't match EST and others

[Roundup Robot]

Change by Roundup Robot :


--
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stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/16507

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[issue38326] Concerns with the last minute changes to the PEP 587 API

[Łukasz Langa]

Łukasz Langa  added the comment:

I suggest closing this and following up in BPO-38304 about a possible graceful 
error message during invalid embedding.

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[issue38006] Crash in remove() weak reference callback of weakref.WeakValueDictionary at Python exit

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset b3612070b746f799901443b65725008bc035872b by Łukasz Langa (Neil 
Schemenauer) in branch '3.8':
Restore tp_clear for function object. (#16502)
https://github.com/python/cpython/commit/b3612070b746f799901443b65725008bc035872b


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[issue38319] shutil.copyfile(): os.sendfile() fails with OverflowError on 32-bit system

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset 938c00ca9e4207a2531041edff2e82490b02047f by Łukasz Langa (Miss 
Islington (bot)) in branch '3.8':
bpo-38319: Fix shutil._fastcopy_sendfile(): set sendfile() max block size 
(GH-16491) (#16506)
https://github.com/python/cpython/commit/938c00ca9e4207a2531041edff2e82490b02047f


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[issue38334] zipfile: Seeking encrypted file breaks after seeking backwards

[Daniel Hillier]

New submission from Daniel Hillier :

Seeking back beyond the decrypted / unzipped buffer doesn't reset the 
decrypter's crc key values. All data read after seeking back beyond the buffer 
is garbled.

--
components: Library (Lib)
messages: 353646
nosy: dhillier
priority: normal
severity: normal
status: open
title: zipfile: Seeking encrypted file breaks after seeking backwards
type: enhancement
versions: Python 3.9

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[issue38321] Compiler warnings when building Python 3.8

[Ma Lin]

Ma Lin  added the comment:

> This file is copied directly from https://github.com/libexpat/libexpat/ > 
> project. Would you mind to propose your patch there?

ok, I will report to there.

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[issue38326] Concerns with the last minute changes to the PEP 587 API

[STINNER Victor]

STINNER Victor  added the comment:

Nick merged my two PRS, so the initial concern is gone :-) I close the issue. 
Thanks for the feedback, it was an interesting talk. Sorry for the bad timing. 
I dislike working under pressure of a deadline :-(

--
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status: open -> closed

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[issue38297] Imports at top of module is often not used

[Dominic Littlewood]

Dominic Littlewood <11dlittlew...@gmail.com> added the comment:

With all due respect, I disagree with what you're saying here.

"It's a bit misleading to use the stdlib as a guideline"
... when looking at the style guide for the stdlib? I appreciate that PEP 8 is 
used for other purposes, but its main purpose is clear from its very first line.

"There are reasons we do this in certain spots"
Yes, there are. And given that there are so many of these different spots where 
it would give better performance to ignore the rule, PEP 8 should reflect that.

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[issue38200] Adding itertools.pairwise to the standard library?

[Matteo Dell'Amico]

Matteo Dell'Amico  added the comment:

Sorry for taking so long to answer, I didn't see notifications somehow.

Raymond, my use case is in general something that happens when I'm doing 
analytics on sequences of events (e.g., URLs visited by a browser) or paths in 
a graph. I look at pairs and do something based on the pair of events (e.g., 
did the user likely clicked an advertising link? did they go to a potentially 
risky webpage, possibly by clicking a link?)

I see the argument for generalizing to a sliding window, although that may lead 
people to choosing inefficient algorithms for sliding average or median.

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[issue22377] %Z in strptime doesn't match EST and others

[karl]

karl  added the comment:

I created a PR following the recommendations of p-ganssle
https://github.com/python/cpython/pull/16507

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[issue38006] Crash in remove() weak reference callback of weakref.WeakValueDictionary at Python exit

[Łukasz Langa]

Łukasz Langa  added the comment:

Thanks a million everyone, this is now hopefully solved. I'm leaving it open 
for Neil to experiment with his unit test (which would be amazing to have!).

--
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versions:  -Python 2.7, Python 3.5, Python 3.6, Python 3.7

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[issue38242] Revert the new asyncio Streams API

[Łukasz Langa]

Change by Łukasz Langa :


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[issue38306] High level API for loop.run_in_executor(None, ...)?

[Antoine Pietri]

Antoine Pietri  added the comment:

> run_in_executor doesn't necessarily create a new thread each time so 
> create_thread would be misleading. run_in_thread might be better.

Right, the idea was to have an analogy with create_task, because the 
run_in_executor would be wrapped in a Task. I'm okay with run_thread() too.

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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

Change by STINNER Victor :


--
pull_requests: +16099
pull_request: https://github.com/python/cpython/pull/16509

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[issue38304] PEP 587 implementation is not ABI forward compatible

[miss-islington]

Change by miss-islington :


--
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pull_request: https://github.com/python/cpython/pull/16510

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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 8462a4936b3a551dc546a6adea04a70b0a07ca67 by Victor Stinner in 
branch 'master':
bpo-38304: PyConfig_InitPythonConfig() cannot fail anymore (GH-16509)
https://github.com/python/cpython/commit/8462a4936b3a551dc546a6adea04a70b0a07ca67


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[issue38333] add type signatures to library function docs

[Vedran Čačić]

Vedran Čačić  added the comment:

> Many docs are ... vague about types.

... and I consider that a feature. At least if you do that, make an explicit 
decision not to introduce TypeErrors for "disagreeing with the documented 
signature".

For example, I'd be ok with sum being documented as taking an iterable of 
numbers and returning a number, but it would be a catastrophe if as a 
consequence of that, sum of a list of lists would stop working.

--
nosy: +veky

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[miss-islington]

Change by miss-islington :


--
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pull_request: https://github.com/python/cpython/pull/16513

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[issue38190] regrtest: test suite completes but Tests Result is not displayed and the process hangs

[STINNER Victor]

STINNER Victor  added the comment:

I pushed different regrtest bugfixes. The situation should now be less worse. I 
close the issue.

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[miss-islington]

Change by miss-islington :


--
pull_requests: +16104
pull_request: https://github.com/python/cpython/pull/16514

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[issue37245] Azure Pipeline 3.8 CI: multiple tests hung and timed out on macOS 10.13

[STINNER Victor]

STINNER Victor  added the comment:

It seems like macOS job pass again on Azure Pipelines. I close the issue.

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status: open -> closed

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[miss-islington]

miss-islington  added the comment:


New changeset 6b4c70abcaa348c84a2c1bb6f5a46596cf358e36 by Miss Islington (bot) 
in branch '3.8':
bpo-36670: Multiple regrtest bugfixes (GH-16511)
https://github.com/python/cpython/commit/6b4c70abcaa348c84a2c1bb6f5a46596cf358e36


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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 2f90261280e36a179831d72ce794115be31c88bb by Victor Stinner in 
branch 'master':
bpo-38321: Fix compiler warning in _randommodule.c (GH-16512)
https://github.com/python/cpython/commit/2f90261280e36a179831d72ce794115be31c88bb


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[issue37474] Should Py_Initialize() control the floating point mode?

[STINNER Victor]

Change by STINNER Victor :


--
keywords: +patch
pull_requests: +16105
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16515

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[STINNER Victor]

STINNER Victor  added the comment:

> We could avoid typeperf command by accessing directly performance counters: 
> (...)

Honestly, it sounds very complicated. I don't think that it's worth it. With 
Lorenz's fix, regrtest now "just works". So I think that it's good enough.

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[issue37802] micro-optimization of PyLong_FromSize_t()

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16517

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[issue37474] Should Py_Initialize() control the floating point mode?

[STINNER Victor]

STINNER Victor  added the comment:

Sorry, I failed to find time to convert attached tests to tests in the Python 
test suite. But I understood that existing tests should be enough to control 
the rounding mode.

I removed the call. If something goes wrong, we can add it back.

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status: open -> closed

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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

Change by STINNER Victor :


--
pull_requests: +16109
pull_request: https://github.com/python/cpython/pull/16518

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[issue38243] A reflected XSS in python/Lib/DocXMLRPCServer.py

[STINNER Victor]

STINNER Victor  added the comment:

I prefer to keep it open until the 3.5 backport is merged.

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status: closed -> open

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[issue38336] Remove the __set__ method restriction on data descriptors for attribute lookup precedence

[Géry]

Change by Géry :


--
nosy: +rhettinger

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[issue36054] On Linux, os.count() should read cgroup cpu.shares and cpu.cfs (CPU count inside docker container)

[STINNER Victor]

Change by STINNER Victor :


--
title: Way to detect CPU count inside docker container -> On Linux, os.count() 
should read cgroup cpu.shares and cpu.cfs (CPU count inside docker container)

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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16512

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 982bfa4da07b2e5749a0f4e68f99e972bcc3a549 by Victor Stinner in 
branch 'master':
bpo-36670: Multiple regrtest bugfixes (GH-16511)
https://github.com/python/cpython/commit/982bfa4da07b2e5749a0f4e68f99e972bcc3a549


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[issue38243] A reflected XSS in python/Lib/DocXMLRPCServer.py

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 8eb64155ff26823542ccf0225b3d57b6ae36ea89 by Victor Stinner 
(Dong-hee Na) in branch '2.7':
[2.7] bpo-38243: Escape the server title of DocXMLRPCServer (GH-16447)
https://github.com/python/cpython/commit/8eb64155ff26823542ccf0225b3d57b6ae36ea89


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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[miss-islington]

miss-islington  added the comment:


New changeset d6a92b55944bf1ef4992e4375f02a7132717bf53 by Miss Islington (bot) 
in branch '3.7':
bpo-36670: Multiple regrtest bugfixes (GH-16511)
https://github.com/python/cpython/commit/d6a92b55944bf1ef4992e4375f02a7132717bf53


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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

Change by STINNER Victor :


--
pull_requests: +16108
pull_request: https://github.com/python/cpython/pull/16517

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[issue37474] Should Py_Initialize() control the floating point mode?

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 5e0ea7540f577c9684e272000fdfc80d29bb78a2 by Victor Stinner in 
branch 'master':
bpo-37474: Don't call fedisableexcept() on FreeBSD (GH-16515)
https://github.com/python/cpython/commit/5e0ea7540f577c9684e272000fdfc80d29bb78a2


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[issue38331] Exec not recognizing global variables inside function

[Krishna Oza]

Krishna Oza  added the comment:

adding self to nosy list.

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[issue38335] simplify overlaps function in ipaddress.py

[Sanjay]

Change by Sanjay :


--
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stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16519

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[issue3832] add force_shared Library option to create shared lib even with use_stub=False

[STINNER Victor]

STINNER Victor  added the comment:


New changeset bfe1f74e39d0049a829962050e86a6a2d2a2781e by Victor Stinner in 
branch '3.8':
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
https://github.com/python/cpython/commit/bfe1f74e39d0049a829962050e86a6a2d2a2781e


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[issue38248] inconsistency in asyncio.Task between cancellation while running vs. cancellation immediately after it finishes

[STINNER Victor]

STINNER Victor  added the comment:


New changeset bfe1f74e39d0049a829962050e86a6a2d2a2781e by Victor Stinner in 
branch '3.8':
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
https://github.com/python/cpython/commit/bfe1f74e39d0049a829962050e86a6a2d2a2781e


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[issue3832] add force_shared Library option to create shared lib even with use_stub=False

[STINNER Victor]

STINNER Victor  added the comment:

Oops, the previous comment should be for bpo-38321.

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[issue22273] abort when passing certain structs by value using ctypes

[STINNER Victor]

STINNER Victor  added the comment:


New changeset bfe1f74e39d0049a829962050e86a6a2d2a2781e by Victor Stinner in 
branch '3.8':
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
https://github.com/python/cpython/commit/bfe1f74e39d0049a829962050e86a6a2d2a2781e


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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:


New changeset bfe1f74e39d0049a829962050e86a6a2d2a2781e by Victor Stinner in 
branch '3.8':
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
https://github.com/python/cpython/commit/bfe1f74e39d0049a829962050e86a6a2d2a2781e


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[issue38336] Remove the __set__ method restriction on data descriptors for attribute lookup precedence

[Géry]

Géry  added the comment:

I have opened a PR here: https://github.com/python/cpython/pull/16520

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[issue38336] Remove the __set__ method restriction on data descriptors for attribute lookup precedence

[Géry]

New submission from Géry :

The [language 
documentation](https://docs.python.org/3/reference/datamodel.html#invoking-descriptors)
 states:

> Data descriptors with __set__() and __get__() defined always override a 
> redefinition in an instance dictionary. In contrast, non-data descriptors can 
> be overridden by instances.

This override is not limited to data descriptors defining `__set__()` (and 
`__get__()`). It is also true for data descriptors defining `__delete__()` (and 
`__get__()`) and data descriptors defining both `__set__()` and `__delete__()` 
(and `__get__()`).

In other words, _any_ data descriptors (objects defining either `__set__()` or 
`__delete__()` or both) defining `__get__()` override an attribute redefinition 
in an instance dictionary.

--
assignee: docs@python
components: Documentation
messages: 353685
nosy: docs@python, maggyero
priority: normal
severity: normal
status: open
title: Remove the __set__ method restriction on data descriptors for attribute 
lookup precedence
type: enhancement
versions: Python 3.7

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[issue38248] inconsistency in asyncio.Task between cancellation while running vs. cancellation immediately after it finishes

[STINNER Victor]

STINNER Victor  added the comment:

Can this issue be closed now?

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[issue38337] inspect: getmembers calls properties

[Jonas Drotleff]

Change by Jonas Drotleff :


--
keywords: +patch
pull_requests: +16113
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16521

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16511

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[issue38304] PEP 587 implementation is not ABI forward compatible

[miss-islington]

miss-islington  added the comment:


New changeset d49f096cc41f57155efe71cd089c29b38c218488 by Miss Islington (bot) 
in branch '3.8':
bpo-38304: PyConfig_InitPythonConfig() cannot fail anymore (GH-16509)
https://github.com/python/cpython/commit/d49f096cc41f57155efe71cd089c29b38c218488


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[issue38304] PEP 587 implementation is not ABI forward compatible

[STINNER Victor]

STINNER Victor  added the comment:

It was decided to abandon the idea of stable ABI for PyConfig: see bpo-38326. I 
now close this issue.

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status: open -> closed

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[issue38205] Py_UNREACHABLE() no longer behaves as a function call

[STINNER Victor]

STINNER Victor  added the comment:

The initial issue has been fixed in 3.8 and master. I close the issue.

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[issue38243] A reflected XSS in python/Lib/DocXMLRPCServer.py

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16516

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[issue38335] simplify overlaps function in ipaddress.py

[Sanjay]

New submission from Sanjay :

the current implementation of overlaps function tests either network or 
broadcast address is in other but
we can skip checking broadcast address is in other because we anyway check if 
other.network_address in self 

without loss of generality if we assume self has smaller prefixlen than other 
then when self.broadcast_address in other then other.network_address *SHOULD* 
be in self but the reverse is not true

so my first patch was to make the function logic simply do
`self.network_address in other or other.network_address in self`

but the current PR does a different change. We have introduced two new 
functions subnet_of and supernet_of

for two networks A, B there are only three possibilities 
1. they don't overlap
2. A is subnet of B
3. B is subnet of A

so we can reuse the existing function and just do
`return self.subnet_of(other) or self.supernet_of(other)`
the only thing is while overlaps() function returns false when we try to 
compare with a network or with diff version the other throws exception so I 
added a typecheck in the beginning.

P.S the docstring is slightly convoluted for newcomers, based on the three 
possibilities it should say "Tell if self is supernet or subnet of other" 
because "partly contained" can also mean two ranges intersect which can never 
happen to network prefixes. I have not made that change but can make it.

There are also some other issues I want to address but I want to do one at a 
time.

--
components: Library (Lib)
files: skip_broadcast_in.patch
keywords: patch
messages: 353676
nosy: Sanjay
priority: normal
severity: normal
status: open
title: simplify overlaps function in ipaddress.py
versions: Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9
Added file: https://bugs.python.org/file48634/skip_broadcast_in.patch

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[issue38336] Remove the __set__ method restriction on data descriptors for attribute lookup precedence

[Géry]

Change by Géry :


--
keywords: +patch
pull_requests: +16112
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16520

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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:

New changeset bfe1f74e39d0049a829962050e86a6a2d2a2781e by Victor Stinner in 
branch '3.8':
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
https://github.com/python/cpython/commit/bfe1f74e39d0049a829962050e86a6a2d2a2781e

(oops, I made a typo in the bpo number in the commit title.)

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[issue38243] A reflected XSS in python/Lib/DocXMLRPCServer.py

[Dong-hee Na]

Dong-hee Na  added the comment:

> I prefer to keep it open until the 3.5 backport is merged.
Sorry, I didn't find it.
Yes, we should let it open until the PR is merged.

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[issue36054] Way to detect CPU count inside docker container

[Mike]

Mike  added the comment:

Is this issue still being worked on as a core feature? I needed a solution for 
this using 2.7.11 to enable some old code to work properly/nicely in a 
container environment on AWS Batch and was forced to figure out what OpenJDK 
was doing and came up with a solution. The process in OpenJDK seems to be, find 
where the cgroups for docker are located in the file system, then depending on 
the values in different files you can determine the number of CPUs available. 

The inelegant code below is what worked for me:

def query_cpu():
if os.path.isfile('/sys/fs/cgroup/cpu/cpu.cfs_quota_us'):
cpu_quota = 
int(open('/sys/fs/cgroup/cpu/cpu.cfs_quota_us').read().rstrip())
#print(cpu_quota) # Not useful for AWS Batch based jobs as 
result is -1, but works on local linux systems
if cpu_quota != -1 and 
os.path.isfile('/sys/fs/cgroup/cpu/cpu.cfs_period_us'):
cpu_period = 
int(open('/sys/fs/cgroup/cpu/cpu.cfs_period_us').read().rstrip())
#print(cpu_period)
avail_cpu = int(cpu_quota / cpu_period) # Divide quota by 
period and you should get num of allotted CPU to the container, rounded down if 
fractional.
elif os.path.isfile('/sys/fs/cgroup/cpu/cpu.shares'):
cpu_shares = 
int(open('/sys/fs/cgroup/cpu/cpu.shares').read().rstrip())
#print(cpu_shares) # For AWS, gives correct value * 1024.
avail_cpu = int(cpu_shares / 1024)
return avail_cpu


This solution makes several assumptions about the cgroup locations within the 
container vs dynamically finding where those files are located as OpenJDK does. 
I also haven't included the more robust method in case cpu.quota and cpu.shares 
are -1.

Hopefully this is a start for getting this implemented.

--
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[issue37507] multiprocessing: Add a stop() method to ForkServer

[STINNER Victor]

STINNER Victor  added the comment:

_test_multiprocessing.py calls:

# Stop the ForkServer process if it's running
from multiprocessing import forkserver
forkserver._forkserver._stop()

It seems like multiprocessing tests are the main consumer of this method. So 
let's keep it private for now.

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

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[issue37146] opcode cache for LOAD_GLOBAL emits false alarm in memory leak hunting

[STINNER Victor]

STINNER Victor  added the comment:

It seems like nobody came up with a solution for the debug mode since June. I 
close the issue. Reopen it if you would like to propose a solution.

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status: open -> closed

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[STINNER Victor]

STINNER Victor  added the comment:

Thanks Lorenz Mende for the nice bug report, investigating the issue and 
proposing fix. I wrote a PR based on your work with some minor changes. I 
included it in a large regrtest change to fix other bugs.

regrtest should work again with locales other than English.

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

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[issue38243] A reflected XSS in python/Lib/DocXMLRPCServer.py

[Dong-hee Na]

Change by Dong-hee Na :


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

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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 6314abcc08f5d0f3d3a915dc9455ea223fa65517 by Victor Stinner in 
branch 'master':
bpo-37802: Fix a compiler warning in longobject.c (GH-16517)
https://github.com/python/cpython/commit/6314abcc08f5d0f3d3a915dc9455ea223fa65517


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[issue37802] micro-optimization of PyLong_FromSize_t()

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 6314abcc08f5d0f3d3a915dc9455ea223fa65517 by Victor Stinner in 
branch 'master':
bpo-37802: Fix a compiler warning in longobject.c (GH-16517)
https://github.com/python/cpython/commit/6314abcc08f5d0f3d3a915dc9455ea223fa65517


--
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[issue3832] add force_shared Library option to create shared lib even with use_stub=False

[STINNER Victor]

Change by STINNER Victor :


--
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pull_request: https://github.com/python/cpython/pull/16518

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[issue38321] Compiler warnings when building Python 3.8

[STINNER Victor]

STINNER Victor  added the comment:

Ok, most warnings have been fixed in 3.8 and master. I close the issue.

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status: open -> closed

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[issue38337] inspect: getmembers calls properties

[Jonas Drotleff]

New submission from Jonas Drotleff :

When calling inspect.getmembers on a class that has a property (@property), the 
property will be called by the getattr call in getmembers.

Example:

import inspect

class Example:
def __init__(self, var):
self._var = var
print('__init__')

def foo(self, bar):
print(bar)
print('foo')

@property
def var(self):
print('Access property')
return self._var


if __name__ == '__main__':
ex = Example('Hello')
print('--- getmembers from instance ---')
print(inspect.getmembers(ex))
print('--- getmembers from class---')
print(inspect.getmembers(Example))


Result:

__init__
--- getmembers from instance ---
Access property
[('__class__', ), ..., ('var', 
'Hello')]
--- getmembers from class---
[('__class__', ), ..., ('var', 
)]


Expected:

__init__
--- getmembers from instance ---
[('__class__', ), ..., ('var', 
)]
--- getmembers from class---
[('__class__', ), ..., ('var', 
)]

--
components: Library (Lib)
messages: 353688
nosy: jnsdrtlf
priority: normal
severity: normal
status: open
title: inspect: getmembers calls properties
type: behavior
versions: Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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[issue38339] [3.5] The doc job of Travis CI fails on Python 3.5: needs at least Sphinx v1.8

[STINNER Victor]

STINNER Victor  added the comment:

This issue prevents to merge the following 3.5 pull requests:
https://github.com/python/cpython/pulls?utf8=%E2%9C%93=is%3Apr+is%3Aopen+base%3A3.5+

--
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[issue38340] ERROR WHILE BUILDING pyworld for x86_64-linux-gnu-gcc

[ECAS India]

New submission from ECAS India :

creating build/temp.linux-x86_64-3.7/lib/World
  creating build/temp.linux-x86_64-3.7/lib/World/src
  x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g 
-fstack-protector-strong -Wformat -Werror=format-security -Wdate-time 
-D_FORTIFY_SOURCE=2 -fPIC -Ilib/World/src -I/usr/include/python3.7m 
-I/usr/local/lib/python3.7/dist-packages/numpy/core/include -c 
pyworld/pyworld.cpp -o build/temp.linux-x86_64-3.7/pyworld/pyworld.o
  x86_64-linux-gnu-gcc: error: pyworld/pyworld.cpp: No such file or directory
  x86_64-linux-gnu-gcc: fatal error: no input files
  compilation terminated.
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
  
  
  Failed building wheel for pyworld
  Running setup.py clean for pyworld
Failed to build pyworld

--
files: Screenshot from 2019-10-01 18-53-25.png
messages: 353694
nosy: ECAS India
priority: normal
severity: normal
status: open
title: ERROR WHILE BUILDING pyworld for x86_64-linux-gnu-gcc
type: compile error
versions: Python 3.7
Added file: https://bugs.python.org/file48635/Screenshot from 2019-10-01 
18-53-25.png

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[issue38339] [3.5] The doc job of Travis CI fails on Python 3.5: needs at least Sphinx v1.8

[STINNER Victor]

STINNER Victor  added the comment:

I proposed PR 16522 to update Sphinx from version 1.6.1 to 1.8.2.

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[issue38338] [2.7] test_ssl fails on RHEL8

[STINNER Victor]

Change by STINNER Victor :


--
title: [2.7] test_ssl fails -> [2.7] test_ssl fails on RHEL8

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[issue38339] [3.5] The doc job of Travis CI fails on Python 3.5: needs at least Sphinx v1.8

[STINNER Victor]

STINNER Victor  added the comment:

I suggest to backport https://github.com/python/cpython/pull/10676 to 3.5: use 
Sphinx 1.8.2 in .travis.yml. Commit in the 3.6 branch:

commit 23a98abd4256f931ed89b65ec6babd4f06dbff97
Author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
Date:   Sat Dec 8 21:34:30 2018 -0800

[3.7] Doc: Bump sphinx. (GH-10676) (GH-10803)

(cherry picked from commit 2db96ae7444880d66d4ef65abab8a5e6ff328711)

Co-authored-by: Julien Palard 

diff --git a/.travis.yml b/.travis.yml
index ed4e46c782..8250fd91b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -43,7 +43,7 @@ matrix:
 - cd Doc
 # Sphinx is pinned so that new versions that introduce new warnings 
won't suddenly cause build failures.
 # (Updating the version is fine as long as no warnings are raised by 
doing so.)
-- python -m pip install sphinx~=1.6.1 blurb
+- python -m pip install sphinx==1.8.2 blurb
   script:
 - make check suspicious html SPHINXOPTS="-q -W -j4"
 - os: linux

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[issue38340] ERROR WHILE BUILDING pyworld for x86_64-linux-gnu-gcc

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

This is an issue tracker for CPython. The build log seems like an issue with 
pyworld package. I would suggest creating an issue in their tracker.

--
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[issue38339] [3.5] The doc job of Travis CI fails on Python 3.5: needs at least Sphinx v1.8

[STINNER Victor]

Change by STINNER Victor :


--
keywords: +patch
pull_requests: +16115
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16522

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[issue38338] [2.7] test_ssl fails

[STINNER Victor]

Change by STINNER Victor :


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[issue38338] [2.7] test_ssl fails

[STINNER Victor]

New submission from STINNER Victor :

SSLv23 and TLS v1.0 are disabled by RHEL8 crypto policy.

AMD64 RHEL8 2.7:
https://buildbot.python.org/all/#/builders/245/builds/5

test_protocol_sslv23 (test.test_ssl.ThreadedTests)
Connecting to an SSLv23 server with various client options ... 
 Could not scan /etc/ssl/openssl.cnf for MinProtocol: [Errno 2] No such file or 
directory: '/etc/ssl/openssl.cnf'

 PROTOCOL_TLS->PROTOCOL_TLS CERT_NONE
 PROTOCOL_TLSv1->PROTOCOL_TLS CERT_NONE
ERROR

==
ERROR: test_protocol_sslv23 (test.test_ssl.ThreadedTests)
Connecting to an SSLv23 server with various client options
--
Traceback (most recent call last):
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 189, in f
return func(*args, **kwargs)
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2402, in test_protocol_sslv23
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1')
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2134, in try_protocol_combo
chatty=False, connectionchatty=False)
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2062, in server_params_test
s.connect((HOST, server.port))
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 864, in connect
self._real_connect(addr, False)
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 855, in _real_connect
self.do_handshake()
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 828, in do_handshake
self._sslobj.do_handshake()
SSLError: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version 
(_ssl.c:727)

and

test_protocol_tlsv1_1 (test.test_ssl.ThreadedTests)
Connecting to a TLSv1.1 server with various client options. ... 
 Could not scan /etc/ssl/openssl.cnf for MinProtocol: [Errno 2] No such file or 
directory: '/etc/ssl/openssl.cnf'

 PROTOCOL_TLSv1_1->PROTOCOL_TLSv1_1 CERT_NONE
 {PROTOCOL_TLS->PROTOCOL_TLSv1_1} CERT_NONE
 PROTOCOL_TLSv1_1->PROTOCOL_TLS CERT_NONE
ERROR

==
ERROR: test_protocol_tlsv1_1 (test.test_ssl.ThreadedTests)
Connecting to a TLSv1.1 server with various client options.
--
Traceback (most recent call last):
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 189, in f
return func(*args, **kwargs)
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2477, in test_protocol_tlsv1_1
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_1, 'TLSv1.1')
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2134, in try_protocol_combo
chatty=False, connectionchatty=False)
  File 
"/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/test/test_ssl.py",
 line 2062, in server_params_test
s.connect((HOST, server.port))
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 864, in connect
self._real_connect(addr, False)
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 855, in _real_connect
self.do_handshake()
  File "/home/buildbot/buildarea/2.7.cstratak-RHEL8-x86_64/build/Lib/ssl.py", 
line 828, in do_handshake
self._sslobj.do_handshake()
SSLError: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version 
(_ssl.c:727)

--
assignee: christian.heimes
components: SSL, Tests
messages: 353691
nosy: christian.heimes, vstinner
priority: normal
severity: normal
status: open
title: [2.7] test_ssl fails
versions: Python 2.7

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[issue38339] [3.5] The doc job of Travis CI fails on Python 3.5: needs at least Sphinx v1.8

[STINNER Victor]

New submission from STINNER Victor :

Example:
https://travis-ci.org/python/cpython/jobs/590339147

$ python --version

Python 3.6.3

$ pip --version

pip 9.0.1 from /home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages 
(python 3.6)

Could not locate requirements.txt. Override the install: key in your 
.travis.yml to install dependencies.
before_script.1

0.00s$ cd Doc
before_script.2

8.58s$ python -m pip install sphinx~=1.6.1 blurb

1.88s$ make check suspicious html SPHINXOPTS="-q -W -j4"

python3 tools/rstlint.py -i tools -i ./venv -i README.rst

No problems found.

make[1]: Entering directory `/home/travis/build/python/cpython/Doc'

mkdir -p build

Building NEWS from Misc/NEWS.d with blurb

PATH=./venv/bin:$PATH sphinx-build -b suspicious -d build/doctrees -D 
latex_elements.papersize= -q -W -j4 . build/suspicious 

Sphinx version error:

This project needs at least Sphinx v1.8 and therefore cannot be built with this 
version.

make[1]: *** [build] Error 1

make[1]: Leaving directory `/home/travis/build/python/cpython/Doc'

Suspicious check complete; look for any errors in the above output or in 
build/suspicious/suspicious.csv.  If all issues are false positives, append 
that file to tools/susp-ignored.csv.

make: *** [suspicious] Error 1

The command "make check suspicious html SPHINXOPTS="-q -W -j4"" exited with 2.
cache.2

store build cache

--
assignee: docs@python
components: Documentation
messages: 353692
nosy: docs@python, mdk, vstinner
priority: normal
severity: normal
status: open
title: [3.5] The doc job of Travis CI fails on Python 3.5: needs at least 
Sphinx v1.8
versions: Python 3.5

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[issue38337] inspect: getmembers calls properties

[Sanjay]

Sanjay  added the comment:

the issue happens in 2.7 as well

--
nosy: +Sanjay
versions: +Python 2.7

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[issue37096] Add large-file tests for modules using sendfile(2)

[Charalampos Stratakis]

Charalampos Stratakis  added the comment:

After this change I get some disk space issues on the Fedora rawhide buildbot 
for the clang installed build only (and strangely enough not for the other 
jobs). There are currently around 9GB of free space there:

https://buildbot.python.org/all/#/builders/188/builds/1110

==
ERROR: test_tofromfile (test.test_array.DoubleTest)
--
Traceback (most recent call last):
  File 
"/home/buildbot/buildarea/3.x.cstratak-fedora-rawhide-x86_64.clang-installed/build/target/lib/python3.9/test/test_array.py",
line 374, in test_tofromfile
f.close()
OSError: [Errno 28] No space left on device

--
nosy: +cstratak

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[issue37146] opcode cache for LOAD_GLOBAL emits false alarm in memory leak hunting

[Yury Selivanov]

Yury Selivanov  added the comment:

> It seems like nobody came up with a solution for the debug mode since June. I 
> close the issue. Reopen it if you would like to propose a solution.

I think the only solution is to have a flag to disable optimizations, 
inlcluding this one.

--

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[issue38248] inconsistency in asyncio.Task between cancellation while running vs. cancellation immediately after it finishes

[Yury Selivanov]

Change by Yury Selivanov :


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

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[issue38342] ImportError: cannot import name 'MetadataPathFinder' from 'importlib.metadata'

[Anthony Tuininga]

New submission from Anthony Tuininga :

Running the suggested code found at 
https://docs.python.org/3.8/whatsnew/3.8.html regarding the new 
importlib.metadata module

from importlib.metadata import version, requires, files
version('requests')

yields the error

Traceback (most recent call last):
  File "", line 1, in 
  File "/usr/local/lib/python3.8/importlib/metadata/__init__.py", line 365, in 
version
return distribution(package).version
  File "/usr/local/lib/python3.8/importlib/metadata/__init__.py", line 338, in 
distribution
return Distribution.from_name(package)
  File "/usr/local/lib/python3.8/importlib/metadata/__init__.py", line 159, in 
from_name
dists = resolver(name)
  File "", line 1381, in 
find_distributions
ImportError: cannot import name 'MetadataPathFinder' from 'importlib.metadata' 
(/usr/local/lib/python3.8/importlib/metadata/__init__.py)

--
components: Library (Lib)
messages: 353714
nosy: atuining
priority: normal
severity: normal
status: open
title: ImportError: cannot import name 'MetadataPathFinder' from 
'importlib.metadata'
type: behavior
versions: Python 3.8

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[issue38332] invalid content-transfer-encoding in encoded-word causes KeyError

[Emmanuel Arias]

Emmanuel Arias  added the comment:

Hi Andrei sorry for my last message. Now I understand perfectly your idea and 
your PR. IMO this is a correct patch.

--

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[issue38227] Setting a signal handler gets multiprocessing.Pool stuck

[Ionel Cristian Mărieș]

Change by Ionel Cristian Mărieș :


--
components: +Library (Lib)

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[issue38343] Version name in PC/layout read incorrectly for RC

[miss-islington]

miss-islington  added the comment:


New changeset a11df75269b5d47248be617ed02e96c1d1938fd1 by Miss Islington (bot) 
in branch '3.8':
bpo-38343: Fixes version handling for nuget packages (GH-16527)
https://github.com/python/cpython/commit/a11df75269b5d47248be617ed02e96c1d1938fd1


--
nosy: +miss-islington

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[issue38343] Version name in PC/layout read incorrectly for RC

[Steve Dower]

Change by Steve Dower :


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

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[issue38334] zipfile: Seeking encrypted file breaks after seeking backwards

[Daniel Hillier]

Change by Daniel Hillier :


--
keywords: +patch
pull_requests: +16120
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16529

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[issue36670] regrtest: win_utils decodes typeperf output from the wrong encoding (test suite broken due to cpu usage feature on win 10/ german)

[STINNER Victor]

Change by STINNER Victor :


--
pull_requests: +16121
pull_request: https://github.com/python/cpython/pull/16530

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[issue38343] Version name in PC/layout read incorrectly for RC

[Steve Dower]

New submission from Steve Dower :

I noticed that when the nuget.org packages published for 3.8.0rc1, they were 
given the version "3.8.0".

3.7.5rc1 was okay because it's still using the old approach to setting the 
version.

This needs to be fixed before any more RCs are released. I'll see if I can get 
the incorrectly versioned files removed from nuget and replace them with RCs.

--
assignee: steve.dower
components: Windows
keywords: 3.8regression
messages: 353715
nosy: paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
stage: needs patch
status: open
title: Version name in PC/layout read incorrectly for RC
type: behavior
versions: Python 3.8, Python 3.9

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