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> There is IBM effort to do this in container level, so that os.cpu_count()
> will return right result in container
Good news!
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New submission from Dong-hee Na :
>From gdbm 1.21, gdbm supports the crash tolerance feature.
We may need to provide APIs for those versions.
https://www.gnu.org.ua/software/gdbm/manual/Crash-Tolerance.html
Following features will be provided if the user using gdbm >= 1.21
- Need to p
Dong-hee Na added the comment:
I am going to work on this issue :)
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FYI, I got a mail about this feature from Terence Kelly who design these
amazing things :)
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feature for gdbm module
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pull_requests: +27230
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/28942
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Dong-hee Na added the comment:
> How would it be used from Python? What are scenarios?
I am preparing PoC, I will share you once done.
>From gdbm 1.21, gdbm provides 2 kinds of format. (Standard format / Extended
>format.)
To create a gdm format with the extended option, GDBM_NUM
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> And what's next?
I may introduce following API which only available to use extension format.
(I am PoC with this)
> dbm.gdbm_failure_atomic('snapshot_path0', 'snapshot_path1')
About gdbm_latest_snapshot(), I am still cu
Dong-hee Na added the comment:
Sorry, I don't know my answer is enough.
Or do you have any ideas or the opposite ideas?
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Dong-hee Na added the comment:
dbm.gdbm_failure_atomic('snapshot_path0', 'snapshot_path1')
-> db.gdbm_failure_atomic('snapshot_path0', 'snapshot_path1')
--
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Dong-hee Na added the comment:
Yeah, I agree with gdbm_latest_snapshot(), this API might be too low-level.
But as I am one of the rocksdb user who directly uses rocksdb API for the
production platform as caching purposes.
so when I think about my and my team's rocksdb
Dong-hee Na added the comment:
> Please show examples.
Sorry, I don't understand, do you mean caching example or recovery example?
When we use rocksdb, we can get checkpoints files under local file system.
And we can recover the database by using them.
http://rocksdb.org/blog/2015/1
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New submission from Dong-hee Na :
Yesterday, I left an issue to libexpat project about what we solved yesterday
to follow Christian suggestion.
https://github.com/libexpat/libexpat/issues/513
The maintainer suggests sending a patch with reordering all headers files
related to expat_config.h
Dong-hee Na added the comment:
Related PRs
-
https://github.com/python/cpython/commit/d413c503636cde2a6ab0ada25dccb0134633a8e6
by Dong-hee
-
https://github.com/python/cpython/commit/8177404d520e81f16324a900f093adf3856d33f8
by Pablo
-
https://github.com/python/cpython/commit
Dong-hee Na added the comment:
I will send this patch file, when I apply this patch file, my compiler did not
raise _POSIX_C_SOURCE issue.
(gcc version 8.4.1 20200928 (Red Hat 8.4.1-1) (GCC))
CPython affects
- xmltok.c
- xmlrole.c (Not yet applied to CPython code)
Not affected
- xmlfile.c
Dong-hee Na added the comment:
Please take a look at the patch file that it will be okay to CPython code base
:)
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Dong-hee Na added the comment:
I've done my PoC in my local environment.
```
import dbm.gnu as dbm
db = dbm.open('x.db', 'nx')
db.gdbm_failure_atomic('even_snapshot.bin', 'odd_snapshot.bin')
for k, v in zip('abcdef', 'ghijkl
Dong-hee Na added the comment:
So IMHO, those APIs are not that low-level API since they only need to create a
file with 'x' flag and then calling gdbm_failure_atomic API.
and if the user failed to save the file due to several accidents.
They can easily restore the local file DB by
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Dong-hee Na added the comment:
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -719,6 +719,12 @@ def __eq__(self, other):
def __hash__(self):
return hash(self.__forward_arg__)
+def __or__(self, other):
+return Union[self, other]
+
+def __ror__(self, other
Change by Dong-hee Na :
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pull_requests: +27275
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/28991
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Dong-hee Na added the comment:
New changeset 15ad52fbf607b6ccec44a38a8a32a5f1fad635ee by Dong-hee Na in branch
'main':
bpo-45489: Update ForwardRef to support | operator. (GH-28991)
https://github.com/python/cpython/commit/15ad52fbf607b6ccec44a38a8a32a5
Dong-hee Na added the comment:
@guido
Do we need to create a backport for 3.10?
Ken and I are waiting for your comment :)
https://github.com/python/cpython/pull/28991#issuecomment-944926933
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New submission from Dong-hee Na :
I have a chance to exchange mail with gdbm module maintainer Sergey Poznyakoff
to supporting the crash tolerance feature.
(See bpo-45452)
Other dbm modules also might have the same issue what the maintainer pointed
out.
I copy and paste the content that
Change by Dong-hee Na :
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Dong-hee Na added the comment:
https://github.com/libexpat/libexpat/pull/514
merged, The change is affected to libexpat 2.4.2
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pull_requests: +27295
pull_request: https://github.com/python/cpython/pull/29015
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Dong-hee Na added the comment:
New changeset fd03917786a9036ee87b7df604dfb260cc2420c9 by Dong-hee Na in branch
'main':
bpo-45434: Include stdlib.h for specialize stat (GH-29015)
https://github.com/python/cpython/commit/fd03917786a9036ee87b7df604dfb2
Change by Dong-hee Na :
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stage: -> resolved
status: open -> closed
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New submission from Dong-hee Na :
https://github.com/faster-cpython/ideas/issues/100
--
messages: 404176
nosy: corona10
priority: normal
severity: normal
status: open
title: Specialize BINARY_SUBTRACT
type: performance
versions: Python 3.11
Change by Dong-hee Na :
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pull_requests: +27299
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/29010
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Dong-hee Na added the comment:
@serhiy
what is the main concern about this feature?
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Dong-hee Na added the comment:
if you think that this feature is not usable, I will let gdbms maintainers
write the idea to the Python-dev mailing list if they want to enable this
feature.
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Dong-hee Na added the comment:
Wow, long discussion than I expected, I wish that you don't feel uncomfortable
with my opinion first :)
> The main concern is that it is not clear how to use this feature, and if it
> is not clear
IMHO, this feature is similar usage level with gdbm
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+1
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> youknowone
Do you want to take a look?
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_
Dong-hee Na added the comment:
New changeset d46b2217d13bbcf8145da8c12a487ba775d6f162 by Łukasz Langa in
branch '3.9':
[3.9] bpo-45500: Rewrite test_dbm (GH-29002) (GH-29074)
https://github.com/python/cpython/commit/d46b2217d13bbcf8145da8c12a487ba775d6f162
--
nosy:
Dong-hee Na added the comment:
> Note that _Py_gitidentifier is supposed to return meaningful values while
> building from within a git checkout
'3.11.0a1+ (heads/main:3163e68c34, Oct 20 2021, 18:39:18) [Clang 12.0.0
(clang-1200.0.32.29)]
FYI, it retrieves branch infor
Dong-hee Na added the comment:
New changeset d2cd5eef0c3fc0431bfe3fc24b4c020ebfcf8aad by Jeong YunWon in
branch 'main':
bpo-45532: Replace 'default' with 'main' as default in sys.version (GH-29100)
https://github.com/python/cpython/commit/d2cd5eef0c
Dong-hee Na added the comment:
Thank you Ezio and youknowone :)
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status: open -> closed
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Dong-hee Na added the comment:
New changeset a53456e587c2e935e7e77170d57960e8c80d8a4d by Kreus Amredes in
branch 'main':
bpo-44019: Add operator.call() to __all__ for the operator module (GH-29110)
https://github.com/python/cpython/commit/a53456e587c2e935e7e77170d57960
Change by Dong-hee Na :
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pull_request: https://github.com/python/cpython/pull/29124
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Dong-hee Na added the comment:
> test___all__ was not supposed to fail with the missing "call" in
> operator.__all__?
AFAIK, it doesn't check.
I add the test for the operator module.
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Dong-hee Na added the comment:
New changeset 37fad7d3b7154c44b9902a2ab0db8641f1a0284b by Dong-hee Na in branch
'main':
bpo-44019: Add test_all_exported_names for operator module (GH-29124)
https://github.com/python/cpython/commit/37fad7d3b7154c44b9902a2ab0db86
Change by Dong-hee Na :
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pull_request: https://github.com/python/cpython/pull/29142
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Dong-hee Na added the comment:
See my last benchmark
https://github.com/python/cpython/pull/25154#issuecomment-949061515
Same result in both Linux VM and Macbook pro.
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Dong-hee Na added the comment:
New changeset 83f202a802b0810e2f0900c6d298fd104390f2ba by Dong-hee Na in branch
'main':
bpo-43706: Use PEP 590 vectorcall to speed up enumerate() (GH-25154)
https://github.com/python/cpython/commit/83f202a802b0810e2f0900c6d298fd
Dong-hee Na added the comment:
Thanks Victor!
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Dong-hee Na added the comment:
@vstinner
I noticed that the msg390083 was based on a non-optimized build.
https://github.com/python/cpython/pull/25154#issuecomment-949061515 ran with
the same build option condition.
Here is the PGO + LTO based benchmark.
Still fast
Change by Dong-hee Na :
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Dong-hee Na added the comment:
AS-IS:
average: 0.015609736680984497
TO-BE:
average: 2.7387380599975585e-05
Impressive result :)
--
Added file: https://bugs.python.org/file50392/bpo-45429.py
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Dong-hee Na added the comment:
+1 to me also
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Dong-hee Na added the comment:
I always need to write trivial code to generate fixed-length random strings
with ascii_alphanumerics.
It will solve similar usages and help a lot of packages.
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Dong-hee Na added the comment:
@skip.montanaro
I agree with your concern, if authors want to use this constant,
they need to use the mentioned workaround to import it.
But we already have cases that add such constants if we considered them as
useful constants.
So I think that the main
Dong-hee Na added the comment:
New changeset 39b4d5938ce781af41f8c9da72dee46095a78642 by Erlend Egeberg
Aasland in branch 'main':
bpo-45634: Don't combine error checks when adding `sqlite3` int constants
(GH-29251)
https://github.com/python
Dong-hee Na added the comment:
New changeset ed91f959b032951620f32bcd93ff27223699a86a by Erlend Egeberg
Aasland in branch '3.10':
[3.10] bpo-45634: Don't combine error checks when adding `sqlite3` int
constants (GH-29251). (GH-29343)
https://github.com/python
Dong-hee Na added the comment:
Hmm, now I understood what you intended,
The code was hard to read without knowing the condition of the begin_statement.
Would this be a trade-off in terms of code readability?
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Change by Dong-hee Na :
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pull_request: https://github.com/python/cpython/pull/29523
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Dong-hee Na added the comment:
New changeset b567b9d74bd9e476a3027335873bb0508d6e450f by Erlend Egeberg
Aasland in branch 'main':
bpo-45512: Simplify isolation_level handling in `sqlite3` (GH-29053)
https://github.com/python/cpython/commit/b567b9d74bd9e476a3027335873bb0
Dong-hee Na added the comment:
New changeset 822c3dcce3996e411c1ff5c432c6ac7d2845cfd6 by Erlend Egeberg
Aasland in branch 'main':
bpo-45512: Raise exception if sqlite3.Connection.__init__ is called with bad
isolation level (#29561)
https://github.com/python/cpyt
Change by Dong-hee Na :
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pull_request: https://github.com/python/cpython/pull/29562
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Dong-hee Na added the comment:
New changeset 55868f1a335cd3853938082a5b25cfba66563135 by Dong-hee Na in branch
'main':
bpo-45429: Support CREATE_WAITABLE_TIMER_HIGH_RESOLUTION if possible (GH-29203)
https://github.com/python/cpython/commit/55868f1a335cd3853938082a5b25cf
Change by Dong-hee Na :
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pull_request: https://github.com/python/cpython/pull/29589
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Dong-hee Na added the comment:
New changeset 5f9247e36a0213b0dcfd43533db5cf6570895cfd by Erlend Egeberg
Aasland in branch 'main':
bpo-45512: Extend `sqlite3` test suite regarding isolation levels (GH-29576)
https://github.com/python/cpython/commit/5f9247e36a0213b0dcfd43533db5cf
Dong-hee Na added the comment:
New changeset e002bbc6cce637171fb2b1391ffeca8643a13843 by Dong-hee Na in branch
'main':
bpo-45512: Simplify manage isolation level (GH-29562)
https://github.com/python/cpython/commit/e002bbc6cce637171fb2b1391ffeca
Dong-hee Na added the comment:
@erlendaasland
Now we close this issue right?
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Dong-hee Na added the comment:
New changeset 0920b61a0cb30128287ebafab1df8cad3a3dffdb by Erlend Egeberg
Aasland in branch 'main':
bpo-45512: Use Argument Clinic to set sqlite3 isolation level (GH-29593)
https://github.com/python/cpython/commit/0920b61a0cb30128287ebafab1df8c
Dong-hee Na added the comment:
Thank you Mark!
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nosy: +corona10
nosy_count: 3.0 -> 4.0
pull_requests: +27988
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/29751
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Dong-hee Na added the comment:
New changeset db671b010cb4662011c6e6567a1f4fcd509102b8 by Dong-hee Na in branch
'main':
bpo-45760: Remove PyNumber_InMatrixMultiply (GH-29751)
https://github.com/python/cpython/commit/db671b010cb4662011c6e6567a1f4f
Change by Dong-hee Na :
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Dong-hee Na added the comment:
Please update the documentation also.
see:
https://docs.python.org/3.11/library/inspect.html?highlight=inspect#inspect.getmembers
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Dong-hee Na added the comment:
New changeset 5de39f4b412ed5b0f3ed0140c83b2c1f8c707603 by Brandt Bucher in
branch 'main':
bpo-45510: Check both types when specializing subtraction (GH-29995)
https://github.com/python/cpython/commit/5de39f4b412ed5b0f3ed0140c83b2c
Dong-hee Na added the comment:
> If two strings are interned and part of the same interpreter, the "ptr1 ==
> ptr2" comparison continues to work.
Yeah, AFAIK Comparing two interned strings from different interpreters are not
the av
Change by Dong-hee Na :
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Dong-hee Na added the comment:
One question:
Is there any reason to choose the name is `open_file_descriptor` not
`open_file_description`?
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Dong-hee Na added the comment:
According to
https://www.gnu.org/software/libc/manual/html_node/Open-File-Description-Locks.html
It is important to distinguish between the open file description (an instance
of an open file, usually created by a call to open) and an open file
descriptor
Change by Dong-hee Na :
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Dong-hee Na added the comment:
@vstinner
Victor, Thanks for letting me know.
It was reproduced on my mac machine so I fix the test.
Please take a look.
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Dong-hee Na added the comment:
@Michael.Felt
Thanks for the suggestion.
I 've updated the PR to skip the test on AIX.
cc @vstinner
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Dong-hee Na added the comment:
Dear Core developers
Although I updated the unit test for this issue if the reverting is a better
way. Please let me know.
I am happy to follow the decision. :)
Thanks always
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Dong-hee Na added the comment:
This issue was reported from victor
See https://bugs.python.org/msg356607
And I attached the patch for this on GH 17154.
Please take a look at the patch also.
I apologize for the trouble as the original test code author.
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