Re: unable to run the basic Embedded Python example

[Christian Gollwitzer via Python-list]

Hi Dave,

I can tell you where the error comes from, but I don't know how to fix 
it correctly:


Am 24.06.23 um 19:29 schrieb Dave Ohlsson:

9. And now, when I ran embedded_python.exe:

20:14:06: Starting
C:\temp\build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug\debug\embedded_python.exe...
Could not find platform independent libraries 
Python path configuration:
   PYTHONHOME = (not set)
   PYTHONPATH = (not set)
   program name =



Python consists of the DLL that you have lined it with plus a large 
number of files (standard library) which contain, e.g., the encoding 
data and builtin functions etc. It needs to find these in order to run. 
You could set PYTHONHOME as an environment variable to point to that 
folder. If you don't use the regular Pyton installer, then you need to 
install these files yourself. Maybe there is also a way to set it from 
the C code.


Christian
--
https://mail.python.org/mailman/listinfo/python-list

Re: unable to run the basic Embedded Python example

[Fulian Wang via Python-list]

Forgot to try it or not in an Apple computer, but there’s one or two apple 
computers in my home when I just began to learn computer science. I should try 
it. Because I remembered clearly, I tried it on others.

Get Outlook for iOS<https://aka.ms/o0ukef>

From: Fulian Wang 
Sent: Saturday, June 24, 2023 7:43:56 PM
To: Dave Ohlsson ; python-list@python.org 

Subject: Re: unable to run the basic Embedded Python example

I study computer science in byu.edu, we choose the 3.4.3 vision. No matter 
which kind of computers or windows, I needed to download it from Microsoft 
store. Now I can download it directly from python.org

Get Outlook for iOS<https://aka.ms/o0ukef>

From: Python-list  on 
behalf of Dave Ohlsson via Python-list 
Sent: Saturday, June 24, 2023 15:35
To: python-list@python.org 
Subject: unable to run the basic Embedded Python example

I cannot get the simple program
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding
to work.

My environment:
* Windows 10
* Microsoft Visual Studio 2019
* Qt Creator 10.0.1 (only as an IDE)
* Python not installed

This is what I did:

1. I downloaded https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tgz

2. I extracted Python-3.11.4.tgz into C:\temp\Python-3.11.4

3. I opened the "x64 Native Tools Command Prompt for VS 2019" which comes
with Microsoft Visual Studio 2019

4. In "x64 Native Tools Command Prompt for VS 2019":

**
** Visual Studio 2019 Developer Command Prompt v16.11.26
** Copyright (c) 2021 Microsoft Corporation
**
[vcvarsall.bat] Environment initialized for: 'x64'

C:\Program Files (x86)\Microsoft Visual Studio\2019\Community>cd
C:\temp\Python-3.11.4\PCbuild

C:\temp\Python-3.11.4\PCbuild>build.bat -d // <= option '-d' means "debug"
Downloading nuget...
[many lines omitted]
Build succeeded.

C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" name-rev --name-only HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitbranch.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" rev-parse --short HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitversion.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" describe --all --always
--dirty >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gittag.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
6 Warning(s)
0 Error(s)

Time Elapsed 00:00:34.87

C:\temp\Python-3.11.4\PCbuild>

5. I copied the example
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding,
unchanged, to 'C:\temp\embedded_python\main.c'.

6. I created Qt Creator project file 'C:\temp\embedded_python\
embedded_python.pro':

TEMPLATE = app
TARGET = embedded_python
SOURCES += main.c
PYTHON_DIR = C:/temp/Python-3.11.4
INCLUDEPATH += $${PYTHON_DIR}/Include
INCLUDEPATH += $${PYTHON_DIR}/PC
LIBS += $${PYTHON_DIR}/PCbuild/amd64/python311_d.lib

7. I built the project:

20:02:38: Running steps for project embedded_python...
20:02:38: Starting: "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe"
C:\temp\embedded_python\embedded_python.pro -spec win32-msvc
"CONFIG+=debug" "CONFIG-=qml_debug" "CONFIG-=qtquickcompiler"
Info: creating stash file
C:\temp\build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug\.qmake.stash
20:02:38: The process "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" -f
C:/temp/build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug/Makefile
qmake_all

jom 1.1.3 - empower your cores

20:02:38: The process "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe"
C:\Qt\Tools\QtCreator\bin\jom\jom.exe -f Makefile.Debug
cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -Zi -MDd -utf-8 -W3 -w44456
-w44457 -w44458 /Fddebug\embedded_python.vc.pdb -DUNICODE -D_UNICODE
-DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_GUI_LIB

Re: unable to run the basic Embedded Python example

[Fulian Wang via Python-list]

I study computer science in byu.edu, we choose the 3.4.3 vision. No matter 
which kind of computers or windows, I needed to download it from Microsoft 
store. Now I can download it directly from python.org

Get Outlook for iOS<https://aka.ms/o0ukef>

From: Python-list  on 
behalf of Dave Ohlsson via Python-list 
Sent: Saturday, June 24, 2023 15:35
To: python-list@python.org 
Subject: unable to run the basic Embedded Python example

I cannot get the simple program
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding
to work.

My environment:
* Windows 10
* Microsoft Visual Studio 2019
* Qt Creator 10.0.1 (only as an IDE)
* Python not installed

This is what I did:

1. I downloaded https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tgz

2. I extracted Python-3.11.4.tgz into C:\temp\Python-3.11.4

3. I opened the "x64 Native Tools Command Prompt for VS 2019" which comes
with Microsoft Visual Studio 2019

4. In "x64 Native Tools Command Prompt for VS 2019":

**
** Visual Studio 2019 Developer Command Prompt v16.11.26
** Copyright (c) 2021 Microsoft Corporation
**
[vcvarsall.bat] Environment initialized for: 'x64'

C:\Program Files (x86)\Microsoft Visual Studio\2019\Community>cd
C:\temp\Python-3.11.4\PCbuild

C:\temp\Python-3.11.4\PCbuild>build.bat -d // <= option '-d' means "debug"
Downloading nuget...
[many lines omitted]
Build succeeded.

C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" name-rev --name-only HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitbranch.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" rev-parse --short HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitversion.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" describe --all --always
--dirty >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gittag.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
6 Warning(s)
0 Error(s)

Time Elapsed 00:00:34.87

C:\temp\Python-3.11.4\PCbuild>

5. I copied the example
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding,
unchanged, to 'C:\temp\embedded_python\main.c'.

6. I created Qt Creator project file 'C:\temp\embedded_python\
embedded_python.pro':

TEMPLATE = app
TARGET = embedded_python
SOURCES += main.c
PYTHON_DIR = C:/temp/Python-3.11.4
INCLUDEPATH += $${PYTHON_DIR}/Include
INCLUDEPATH += $${PYTHON_DIR}/PC
LIBS += $${PYTHON_DIR}/PCbuild/amd64/python311_d.lib

7. I built the project:

20:02:38: Running steps for project embedded_python...
20:02:38: Starting: "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe"
C:\temp\embedded_python\embedded_python.pro -spec win32-msvc
"CONFIG+=debug" "CONFIG-=qml_debug" "CONFIG-=qtquickcompiler"
Info: creating stash file
C:\temp\build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug\.qmake.stash
20:02:38: The process "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" -f
C:/temp/build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug/Makefile
qmake_all

jom 1.1.3 - empower your cores

20:02:38: The process "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe"
C:\Qt\Tools\QtCreator\bin\jom\jom.exe -f Makefile.Debug
cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -Zi -MDd -utf-8 -W3 -w44456
-w44457 -w44458 /Fddebug\embedded_python.vc.pdb -DUNICODE -D_UNICODE
-DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_GUI_LIB
-DQT_CORE_LIB -I..\embedded_python -I. -I..\Python-3.11.4\Include
-I..\Python-3.11.4\PC -I..\..\Qt\6.1.3\msvc2019_64\include
-I..\..\Qt\6.1.3\msvc2019_64\include\QtGui
-I..\..\Qt\6.1.3\msvc2019_64\include\QtCore -Idebug -IC:/VulkanSDK/
1.0.51.0/Include -I..\..\Qt\6.1.3\msvc2019_64\mkspecs\win32-msvc -Fodebug\
@C:\Users\dave\AppData\Local\Temp\main.obj.21168.0.jom
main.c
..\embedded_python\main.c(12): warning C4996: 'Py_SetProgramName':
deprecated in 3.1

unable to run the basic Embedded Python example

[Dave Ohlsson via Python-list]

I cannot get the simple program
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding
to work.

My environment:
* Windows 10
* Microsoft Visual Studio 2019
* Qt Creator 10.0.1 (only as an IDE)
* Python not installed

This is what I did:

1. I downloaded https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tgz

2. I extracted Python-3.11.4.tgz into C:\temp\Python-3.11.4

3. I opened the "x64 Native Tools Command Prompt for VS 2019" which comes
with Microsoft Visual Studio 2019

4. In "x64 Native Tools Command Prompt for VS 2019":

**
** Visual Studio 2019 Developer Command Prompt v16.11.26
** Copyright (c) 2021 Microsoft Corporation
**
[vcvarsall.bat] Environment initialized for: 'x64'

C:\Program Files (x86)\Microsoft Visual Studio\2019\Community>cd
C:\temp\Python-3.11.4\PCbuild

C:\temp\Python-3.11.4\PCbuild>build.bat -d // <= option '-d' means "debug"
Downloading nuget...
[many lines omitted]
Build succeeded.

C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" name-rev --name-only HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitbranch.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(578,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" rev-parse --short HEAD >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gitversion.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(579,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB3073:
The command ""C:\Program Files\Git\cmd\git.exe" describe --all --always
--dirty >
"C:\temp\Python-3.11.4\PCbuild\obj\311amd64_Debug\pythoncore\gittag.txt""
exited with code 128.
C:\temp\Python-3.11.4\PCbuild\pythoncore.vcxproj(580,5): warning MSB4181:
The "Exec" task returned false but did not log an error.
6 Warning(s)
0 Error(s)

Time Elapsed 00:00:34.87

C:\temp\Python-3.11.4\PCbuild>

5. I copied the example
https://docs.python.org/3/extending/embedding.html#very-high-level-embedding,
unchanged, to 'C:\temp\embedded_python\main.c'.

6. I created Qt Creator project file 'C:\temp\embedded_python\
embedded_python.pro':

TEMPLATE = app
TARGET = embedded_python
SOURCES += main.c
PYTHON_DIR = C:/temp/Python-3.11.4
INCLUDEPATH += $${PYTHON_DIR}/Include
INCLUDEPATH += $${PYTHON_DIR}/PC
LIBS += $${PYTHON_DIR}/PCbuild/amd64/python311_d.lib

7. I built the project:

20:02:38: Running steps for project embedded_python...
20:02:38: Starting: "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe"
C:\temp\embedded_python\embedded_python.pro -spec win32-msvc
"CONFIG+=debug" "CONFIG-=qml_debug" "CONFIG-=qtquickcompiler"
Info: creating stash file
C:\temp\build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug\.qmake.stash
20:02:38: The process "C:\Qt\6.1.3\msvc2019_64\bin\qmake.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" -f
C:/temp/build-embedded_python-Desktop_Qt_6_1_3_MSVC2019_64bit-Debug/Makefile
qmake_all

jom 1.1.3 - empower your cores

20:02:38: The process "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" exited
normally.
20:02:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom\jom.exe"
C:\Qt\Tools\QtCreator\bin\jom\jom.exe -f Makefile.Debug
cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -Zi -MDd -utf-8 -W3 -w44456
-w44457 -w44458 /Fddebug\embedded_python.vc.pdb -DUNICODE -D_UNICODE
-DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_GUI_LIB
-DQT_CORE_LIB -I..\embedded_python -I. -I..\Python-3.11.4\Include
-I..\Python-3.11.4\PC -I..\..\Qt\6.1.3\msvc2019_64\include
-I..\..\Qt\6.1.3\msvc2019_64\include\QtGui
-I..\..\Qt\6.1.3\msvc2019_64\include\QtCore -Idebug -IC:/VulkanSDK/
1.0.51.0/Include -I..\..\Qt\6.1.3\msvc2019_64\mkspecs\win32-msvc -Fodebug\
@C:\Users\dave\AppData\Local\Temp\main.obj.21168.0.jom
main.c
..\embedded_python\main.c(12): warning C4996: 'Py_SetProgramName':
deprecated in 3.11
link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /SUBSYSTEM:WINDOWS
"/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls'
version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*'
processorArchitecture='*'" /MANIFEST:embed /OUT:debug\embedded_python.exe
@C:\Users\dave\AppData\Local\Temp\embedded_python.exe.21168.484.jom
20:02:39: The process "C:\Qt\Tools\QtCreator\bin\jom\jom.exe" exited
normally.
20:02:39: Elapsed time: 00:01.

8. So far, so good. Next, I tried to run embedded_python.exe. In order for
the Python DLL to be available:
8a. I closed Qt Creator.
8b. In the Control Panel, "System", "Advanced system settings", tab
"Advanced", "Environment Variables...", I added

Re: Embedded python is not 100% stable

[aapost]

On 4/13/23 03:40, Guenther Sohler wrote:




Attachments are stripped, so they weren't included.

Glancing at the branch and the 2 lines you mentioned.

You have a comment with a link for python 2.3 documentation.
Yet you have python 3.10 code included elsewhere (and openscad itself 
requires the modern spec C++17, so I assume your aim is at current versions)


https://docs.python.org/3.10/extending/newtypes.html
is the equivalent doc for that.

I am not experienced in defining PyType objects in C, but notice 
syntactical discrepancies, missing "static" on dealloc, use of 
typecasted malloc rather than PyType_GenericAlloc()

https://docs.python.org/3.10/c-api/typeobj.html#c.PyTypeObject.tp_alloc

Without digging in deeper and learning more I can't say for certain 
whether or not those are issues, but intuitively I assume they would be 
and that the implementation needs to more closely mirror the syntactical 
flow implementations of modern working examples..


--
https://mail.python.org/mailman/listinfo/python-list

Re: Embedded python is not 100% stable

[Dieter Maurer]

Guenther Sohler wrote at 2023-4-13 09:40 +0200:
> ...
>I have been working on adding embedded python into OpenSCAD (
>www.openscad.org)
>for some time already. For that i coded/added an additional Python Type
>Object
>which means to hold openscad geometric data.
>
>It works quite well but unfortunately its not 100% stable and i have been
>heavily checking
>all the functions which are referenced in the PyType Object and tried to
>match
>them with the documentation which i found in the python web site

The Python C/C++ interface is complex: it is easy to make
mistakes which may lead to crashes.

Often, `cython` (--> PyPI) can help you to define extension types
in a much safer way. Maybe, you check its documentation?
-- 
https://mail.python.org/mailman/listinfo/python-list

Embedded python is not 100% stable

[Guenther Sohler]

Hi Python LIst,

I have been working on adding embedded python into OpenSCAD (
www.openscad.org)
for some time already. For that i coded/added an additional Python Type
Object
which means to hold openscad geometric data.

It works quite well but unfortunately its not 100% stable and i have been
heavily checking
all the functions which are referenced in the PyType Object and tried to
match
them with the documentation which i found in the python web site but now i
am stuck
and i cant progress any further
I am specially interested why the program constantly crashes when i
activate the lines 14 and 15
in pyopenscad.cc.
I have attached the two most relevant files and I would be happy if anybody
interested
could tell me, if there is an obvious bug popping into your eyes.
If anybody is interested to see the complete picture, all source code is
available checked in
in github @

https://github.com/gsohler/openscad.git branch "libfive"
Thank you for reading. Any spotted bug found will make me happy
-- 
https://mail.python.org/mailman/listinfo/python-list

[issue231064] sys.path not set correctly in embedded python interpreter.

[admin]

Change by admin :


--
github: None -> 33847

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[issue221327] threads within an embedded python interpreter

[admin]

Change by admin :


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github: None -> 33445

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[issue221327] threads within an embedded python interpreter

[admin]

Change by admin :


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github: None -> 33445

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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Łukasz Langa]

Łukasz Langa  added the comment:


New changeset ccbc31ecf3a08ef626be9bbb099f0ce801142fc8 by Miss Islington (bot) 
in branch '3.8':
bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397) 
(GH-31419)
https://github.com/python/cpython/commit/ccbc31ecf3a08ef626be9bbb099f0ce801142fc8


--
nosy: +lukasz.langa

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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Ned Deily]

Ned Deily  added the comment:


New changeset 61f3c308e435c5294e674ef59fed1d51f47e0089 by Miss Islington (bot) 
in branch '3.7':
bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397) 
(GH-31418)
https://github.com/python/cpython/commit/61f3c308e435c5294e674ef59fed1d51f47e0089


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Gregory P. Smith]

Gregory P. Smith  added the comment:

err "release managers" same thing right? ;)

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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Gregory P. Smith]

Gregory P. Smith  added the comment:

PRs for 3.7 and 3.8 remain up to release blockers.

--
components: +Build
resolution:  -> fixed
stage: patch review -> commit review
status: open -> closed

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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Gregory P. Smith]

Gregory P. Smith  added the comment:


New changeset e05e3d20d309603010f2c1194e612f894ad8a985 by Gregory P. Smith in 
branch '3.10':
[3.10] bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397) 
(GH-31420)
https://github.com/python/cpython/commit/e05e3d20d309603010f2c1194e612f894ad8a985


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Gregory P. Smith]

Change by Gregory P. Smith :


--
pull_requests: +29557
pull_request: https://github.com/python/cpython/pull/31420

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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

miss-islington  added the comment:


New changeset 9aca412db8343702d9199c31ba73519e6f8823b5 by Miss Islington (bot) 
in branch '3.9':
bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397)
https://github.com/python/cpython/commit/9aca412db8343702d9199c31ba73519e6f8823b5


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

Change by miss-islington :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

Change by miss-islington :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

Change by miss-islington :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

Change by miss-islington :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[miss-islington]

miss-islington  added the comment:


New changeset 6312c1052c0186b4596fc45c42fd3ade9f8f5911 by Yilei "Dolee" Yang in 
branch 'main':
bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397)
https://github.com/python/cpython/commit/6312c1052c0186b4596fc45c42fd3ade9f8f5911


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Ned Deily]

Change by Ned Deily :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Yilei Yang]

Change by Yilei Yang :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Gregory P. Smith]

Change by Gregory P. Smith :


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[issue46784] Duplicated symbols when linking embedded Python with libexpat

[Yilei Yang]

New submission from Yilei Yang :

The libexpat 2.4.1 upgrade from https://bugs.python.org/issue44394 introduced 
the following new exported symbols:

testingAccountingGetCountBytesDirect
testingAccountingGetCountBytesIndirect
unsignedCharToPrintable
XML_SetBillionLaughsAttackProtectionActivationThreshold
XML_SetBillionLaughsAttackProtectionMaximumAmplification

We need to adjust Modules/expat/pyexpatns.h

(The newer libexpat upgrade https://bugs.python.org/issue46400 has no new 
symbols).

I'll send a PR.

--
components: XML
messages: 413464
nosy: yilei
priority: normal
severity: normal
status: open
title: Duplicated symbols when linking embedded Python with libexpat
versions: Python 3.10, Python 3.11, Python 3.7, Python 3.8, Python 3.9

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 9a241271139a317597aca71d5971346b2cfe7dbd by Victor Stinner in 
branch 'main':
bpo-46417: _PyStructSequence_FiniType() updates _Py_RefTotal (GH-30988)
https://github.com/python/cpython/commit/9a241271139a317597aca71d5971346b2cfe7dbd


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

I close the issue. I cleared most static types at exit. Following work can be 
done in bpo-40077 or other issues.

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status: open -> closed

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 6c6a153dee132116611f2d5df0689a5a605f62b6 by Victor Stinner in 
branch 'main':
bpo-46417: signal: move siginfo_type to the module state (GH-30964)
https://github.com/python/cpython/commit/6c6a153dee132116611f2d5df0689a5a605f62b6


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

> See also bpo-46476: Not all memory allocated by _Py_Quicken() is released at 
> Python exit.

If you apply my workaround for bpo-46476:
https://bugs.python.org/issue46476#msg411321

Python no longer leaks any memory block at exit for the simplest command!

$ ./python -I -X showrefcount -c pass
[-5 refs, 0 blocks]

Moreover, I modified deepfreeze to only freeze importlib._bootstrap and 
importlib._bootstrap_external. It confirms that bpo-46449 is causing the 
negative reference count, because with these additional local changes I get a 
positive _Py_RefTotal:

$ ./python -I -X showrefcount -c pass
[6 refs, 0 blocks]

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 976dec9b3b35fddbaa893c99297e0c54731451b5 by Victor Stinner in 
branch 'main':
bpo-46417: _PyList_Fini() clears indexerr (GH-30815)
https://github.com/python/cpython/commit/976dec9b3b35fddbaa893c99297e0c54731451b5


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

See also bpo-46476: Not all memory allocated by _Py_Quicken() is released at 
Python exit.

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

> New changeset a1444f43584af0f7a0af72aa06ba0a86ae5a87a2 by Victor Stinner in 
> branch 'main':
> bpo-46417: Fix _PyStaticType_Dealloc() (GH-30810)
> https://github.com/python/cpython/commit/a1444f43584af0f7a0af72aa06ba0a86ae5a87a2

At this commit, Py_Finalize() no longer leaks references. It exceeded my 
expectations, it even makes _Py_RefTotal negative :-D

$ ./python -I -X showrefcount -c pass
[-4 refs, 61 blocks]

I'm not sure why it's negative, but bpo-46449 should be investigate first.

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

cannot_deallocate2.patch: updated patch to debug which types are not cleared at 
exit.

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Added file: https://bugs.python.org/file50577/cannot_deallocate2.patch

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

The _PyStaticType_Dealloc() function cannot call PyObject_ClearWeakRefs() if 
the refcount is not zero. I am not sure if it's a real issue or not. Maybe the 
weakref list must be cleared (release memory), but callbacks must not be called?

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset a1444f43584af0f7a0af72aa06ba0a86ae5a87a2 by Victor Stinner in 
branch 'main':
bpo-46417: Fix _PyStaticType_Dealloc() (GH-30810)
https://github.com/python/cpython/commit/a1444f43584af0f7a0af72aa06ba0a86ae5a87a2


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 12f4ac3bc848244242d6b8a7ee158b985fd64744 by Victor Stinner in 
branch 'main':
bpo-46417: Clear symtable identifiers at exit (GH-30809)
https://github.com/python/cpython/commit/12f4ac3bc848244242d6b8a7ee158b985fd64744


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 9c8e490b8f9e40a6fe9815be58bacaecab5369ee by Victor Stinner in 
branch 'main':
bpo-46417: Clear _io module static objects at exit (GH-30807)
https://github.com/python/cpython/commit/9c8e490b8f9e40a6fe9815be58bacaecab5369ee


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 1626bf4ac7aef1244e6f886e63a31f7ed65fbd10 by Victor Stinner in 
branch 'main':
bpo-46417: Clear Unicode static types at exit (GH-30806)
https://github.com/python/cpython/commit/1626bf4ac7aef1244e6f886e63a31f7ed65fbd10


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 621a45ccacd121f9ae4d8a539f040410c74b253b by Victor Stinner in 
branch 'main':
bpo-46417: Py_Finalize() clears static exceptioins (GH-30805)
https://github.com/python/cpython/commit/621a45ccacd121f9ae4d8a539f040410c74b253b


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset f1bcdeaca6e912a2bec1fbcff76cc49e7f761d38 by Victor Stinner in 
branch 'main':
bpo-46417: Factorize _PyExc_InitTypes() code (GH-30804)
https://github.com/python/cpython/commit/f1bcdeaca6e912a2bec1fbcff76cc49e7f761d38


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

Attached cannot_deallocate.patch explains why some static types cannot be 
deallocated. It lists (static) types which are not cleard properly at Python 
exit.

Simplest example:
---
$ ./python -c pass
Cannot clear type 'object': it still has subclasses
* EncodingMap
* fieldnameiterator
* formatteriterator
* BaseException
* _io._IOBase
* _io._BytesIOBuffer
* _io.IncrementalNewlineDecoder
---

More complete example:
---
$ ./python setup.py build
running build
(...)
Cannot clear type 'types.GenericAlias': it still has subclasses
* _CallableGenericAlias
Cannot clear type 'tuple': it still has subclasses
* datetime.IsoCalendarDate
* DecimalTuple
Cannot clear type 'staticmethod': it still has subclasses
* abstractstaticmethod
Cannot clear type 'property': it still has subclasses
* abstractproperty
Cannot clear type 'list': it still has subclasses
* MyList
Cannot clear type 'dict': it still has subclasses
* collections.defaultdict
* StgDict
Cannot clear type 'classmethod': it still has subclasses
* abstractclassmethod
Cannot clear type 'type': it still has subclasses
* ABCMeta
* _ctypes.PyCStructType
* _ctypes.UnionType
* _ctypes.PyCPointerType
* _ctypes.PyCArrayType
* _ctypes.PyCSimpleType
* _ctypes.PyCFuncPtrType
Cannot clear type 'object': it still has subclasses
* type
* classmethod
* dict
* list
* property
* staticmethod
* tuple
* types.GenericAlias
* EncodingMap
* fieldnameiterator
* formatteriterator
* BaseException
* ModuleSpec
* FrozenImporter
* _io._IOBase
* _io._BytesIOBuffer
* _io.IncrementalNewlineDecoder
* _LoaderBasics
* FileLoader
* _abc._abc_data
* ABC
* Hashable
* Awaitable
* AsyncIterable
* Iterable
* Sized
* Container
* Callable
* itertools.accumulate
* itertools.combinations
* itertools.combinations_with_replacement
* itertools.cycle
* itertools.dropwhile
* itertools.takewhile
* itertools.islice
* itertools.starmap
* itertools.chain
* itertools.compress
* itertools.filterfalse
* itertools.count
* itertools.zip_longest
* itertools.pairwise
* itertools.permutations
* itertools.product
* itertools.repeat
* itertools.groupby
* itertools._grouper
* itertools._tee
* itertools._tee_dataobject
* collections.deque
* _collections._deque_iterator
* _collections._deque_reverse_iterator
* _collections._tuplegetter
* _IterationGuard
* WeakSet
* _struct.Struct
* _struct.unpack_iterator
* datetime.date
* datetime.time
* datetime.timedelta
* datetime.tzinfo
* _pickle.Pdata
* _pickle.PicklerMemoProxy
* _pickle.UnpicklerMemoProxy
* _pickle.Pickler
* _pickle.Unpickler
* _socket.socket
* _asyncio.FutureIter
* TaskStepMethWrapper
* _RunningLoopHolder
* _asyncio.Future
* _xxsubinterpreters.ChannelID
* matmulType
* ipowType
* awaitType
* MethodDescriptorBase
* GenericAlias
* Generic
* MethInstance
* MethClass
* MethStatic
* _testcapi.HeapCType
* _testcapi.ContainerNoGC
* _curses.window
* ossaudiodev.oss_audio_device
* ossaudiodev.oss_mixer_device
* _elementtree._element_iterator
* xml.etree.ElementTree.TreeBuilder
* xml.etree.ElementTree.Element
* xml.etree.ElementTree.XMLParser
* decimal.Decimal
* decimal.Context
* decimal.SignalDictMixin
* decimal.ContextManager
* Number
* _multiprocessing.SemLock
* xxlimited.Xxo
* CArgObject
* _ctypes.CThunkObject
* _ctypes._CData
* _ctypes.CField
* _ctypes.DictRemover
* _ctypes.StructParam_Type
---

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Added file: https://bugs.python.org/file50576/cannot_deallocate.patch

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

Kumar Aditya: "The following patch further reduces the reference but not sure 
if it is correct (...)"

Right! PyContext and PyHamt types were on my TODO list ;-) They are now cleared 
since this change:

bpo-46417: Clear more static types (GH-30796)
https://github.com/python/cpython/commit/500c146387b01ea797b52e6a54caf228384e184c

It's similar to your change, but more complete :-)

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 6cacdb42454264ae75cab5e32bb62876da43bf6f by Victor Stinner in 
branch 'main':
bpo-46417: _PyTypes_FiniTypes() clears object and type (GH-30798)
https://github.com/python/cpython/commit/6cacdb42454264ae75cab5e32bb62876da43bf6f


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 3a4c15bb9815b6f4652621fe6043ae18e0d202b3 by Victor Stinner in 
branch 'main':
bpo-46417: Cleanup typeobject.c code (GH-30795)
https://github.com/python/cpython/commit/3a4c15bb9815b6f4652621fe6043ae18e0d202b3


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 500c146387b01ea797b52e6a54caf228384e184c by Victor Stinner in 
branch 'main':
bpo-46417: Clear more static types (GH-30796)
https://github.com/python/cpython/commit/500c146387b01ea797b52e6a54caf228384e184c


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 2d03b73cc9c0dada3243eab1373a46dbd98d24a0 by Victor Stinner in 
branch 'main':
bpo-46417: remove_subclass() clears tp_subclasses (GH-30793)
https://github.com/python/cpython/commit/2d03b73cc9c0dada3243eab1373a46dbd98d24a0


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset f1796f29478f08f34e0c30a060622c0b2d843e2c by Miss Islington (bot) 
in branch '3.9':
bpo-46417: Fix race condition on setting type __bases__ (GH-30788) (GH-30790)
https://github.com/python/cpython/commit/f1796f29478f08f34e0c30a060622c0b2d843e2c


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset acda9f3b90c33e4020237cb9e5c676efb38f7847 by Miss Islington (bot) 
in branch '3.10':
bpo-46417: Fix race condition on setting type __bases__ (GH-30788) (GH-30789)
https://github.com/python/cpython/commit/acda9f3b90c33e4020237cb9e5c676efb38f7847


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[miss-islington]

Change by miss-islington :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset f1c6ae3270913e095d24ae13ecf96f5a32c8c503 by Victor Stinner in 
branch 'main':
bpo-46417: Fix race condition on setting type __bases__ (GH-30788)
https://github.com/python/cpython/commit/f1c6ae3270913e095d24ae13ecf96f5a32c8c503


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[miss-islington]

Change by miss-islington :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[Kumar Aditya]

Kumar Aditya  added the comment:

The following patch further reduces the reference but not sure if it is correct.

diff --git a/Objects/object.c b/Objects/object.c
index a5ee8eef4a..2ba6d14d5b 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -1853,6 +1853,9 @@ static PyTypeObject* static_types[] = {
 _Type,
 _Type,
 _Type,
+_Type,
+_Type,
+_Type,
 _Type,
 _Type,
 _Type,
@@ -1911,6 +1914,13 @@ static PyTypeObject* static_types[] = {
 &_PyAsyncGenAThrow_Type,
 &_PyAsyncGenWrappedValue_Type,
 &_PyCoroWrapper_Type,
+&_PyHamt_Type,
+&_PyHamt_ArrayNode_Type,
+&_PyHamt_BitmapNode_Type,
+&_PyHamt_CollisionNode_Type,
+&_PyHamtKeys_Type,
+&_PyHamtValues_Type,
+&_PyHamtItems_Type,
 &_PyInterpreterID_Type,
 &_PyManagedBuffer_Type,
 &_PyMethodWrapper_Type,


Before:
Running Debug|x64 interpreter...
[4929 refs, 1988 blocks]
After:
Running Debug|x64 interpreter...
[4541 refs, 1853 blocks]

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset ac1f152421fab3ac854fe4565c575b306e2bb4b5 by Victor Stinner in 
branch 'main':
bpo-46417: Use _PyType_CAST() in Objects directory (GH-30764)
https://github.com/python/cpython/commit/ac1f152421fab3ac854fe4565c575b306e2bb4b5


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 7835cbf949c413a746324721a352cc72670a8a36 by Victor Stinner in 
branch 'main':
bpo-46417: Use _PyType_CAST() in Python directory (GH-30769)
https://github.com/python/cpython/commit/7835cbf949c413a746324721a352cc72670a8a36


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 8ee07dda139f3fa1d7c58a29532a98efc790568d by Victor Stinner in 
branch 'main':
bpo-46417: Add _PyType_GetSubclasses() function (GH-30761)
https://github.com/python/cpython/commit/8ee07dda139f3fa1d7c58a29532a98efc790568d


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset bc67f189fdd62ed42013fa05cd0ef2df498f5967 by Victor Stinner in 
branch 'main':
bpo-46417: Add _PyType_CAST() macro (GH-30760)
https://github.com/python/cpython/commit/bc67f189fdd62ed42013fa05cd0ef2df498f5967


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset a1bf329bca80a0259da454c936075e11e6af710f by Victor Stinner in 
branch 'main':
bpo-46417: Add missing types of _PyTypes_InitTypes() (GH-30749)
https://github.com/python/cpython/commit/a1bf329bca80a0259da454c936075e11e6af710f


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

> bpo-46417: Revert remove_subclass() change (GH-30750)

Ok, this change fixed buildbots.

I saw code in typeobject.c which uses a borrowed reference to tp_subclasses 
with a loop which can modify tp_subclasses. This code should be modified to 
hold a strong reference to tp_subclasses while accessing it.

The test_mock_add_spec() test of test_unittest modifies the subclasses of many 
types and so is indirectly a stress tests for code accessing tp_subclasses. 
That's why the regression was only seen in this specific test.

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset fda88864980ffce57add0ea03fb9cbda2798975e by Victor Stinner in 
branch 'main':
bpo-46417: Revert remove_subclass() change (GH-30750)
https://github.com/python/cpython/commit/fda88864980ffce57add0ea03fb9cbda2798975e


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

Maybe the problem is that I changed the order in which types are initialized in 
_PyTypes_InitTypes()?

So far, test_unittest crashed on 4 buildbot workers:

* s390x Debian 3.x: ./configure --prefix '$(PWD)/target' --with-pydebug
  https://buildbot.python.org/all/#/builders/49/builds/1789

* aarch64 Fedora Stable 3.x: ../configure --prefix '$(PWD)/target' 
--with-pydebug --with-platlibdir=lib64 --enable-ipv6 --enable-shared 
--with-computed-gotos=yes --with-dbmliborder=gdbm:ndbm:bdb 
--enable-loadable-sqlite-extensions --with-ssl-default-suites=openssl 
--without-static-libpython --with-lto
  https://buildbot.python.org/all/#/builders/125/builds/1263

* aarch64 RHEL8 3.x: ../configure --prefix '$(PWD)/target' --with-pydebug 
--with-platlibdir=lib64 --enable-ipv6 --enable-shared --with-computed-gotos=yes 
--with-dbmliborder=gdbm:ndbm:bdb --enable-loadable-sqlite-extensions 
--with-ssl-default-suites=openssl --without-static-libpython --with-lto
  https://buildbot.python.org/all/#/builders/529/builds/1357

* PPC64LE RHEL8 3.x: ../configure --prefix '$(PWD)/target' --with-pydebug 
--with-platlibdir=lib64 --enable-ipv6 --enable-shared --with-computed-gotos=yes 
--with-dbmliborder=gdbm:ndbm:bdb --enable-loadable-sqlite-extensions 
--with-ssl-default-suites=openssl --without-static-libpython --with-lto
  https://buildbot.python.org/all/#/builders/559/builds/1196

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

> bpo-46417: Py_Finalize() clears static types (GH-30743)

Oh, test_unittest crashed on s390x Debian 3.x:
https://buildbot.python.org/all/#/builders/49/builds/1789

I fail to see the relationship between my change and this crash. I don't expect 
test_unittest to call Py_Finalize() and then Py_Initialize() again.

---
0:01:32 load avg: 4.77 [152/432/1] test_unittest crashed (Exit code -11) -- 
running: test_peg_generator (48.3 sec)
Fatal Python error: Segmentation fault

Current thread 0x03ff89cf8720 (most recent call first):
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
2179 in _signature_fromstr
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
2273 in _signature_from_builtin
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
2461 in _signature_from_callable
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
2465 in _signature_from_callable
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
2966 in from_callable
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/inspect.py", line 
3218 in signature
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/unittest/mock.py", 
line 112 in _get_signature_object
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/unittest/mock.py", 
line 505 in _mock_add_spec
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/unittest/mock.py", 
line 487 in mock_add_spec
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/unittest/test/testmock/testmock.py",
 line 1767 in test_mock_add_spec
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/unittest/case.py", 
line 547 in _callTestMethod
  (...)
  File 
"/home/dje/cpython-buildarea/3.x.edelsohn-debian-z/build/Lib/test/regrtest.py", 
line 47 in 
  File "", line 88 in _run_code
  File "", line 198 in _run_module_as_main

Extension modules: _testcapi (total: 1)
---

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 595225e86dcc6ea520a584839925a878dce7a9b2 by Victor Stinner in 
branch 'main':
bpo-46417: Py_Finalize() clears static types (GH-30743)
https://github.com/python/cpython/commit/595225e86dcc6ea520a584839925a878dce7a9b2


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset ea38e436fe1e585fb8c1f0badf5482f525b7f9ff by Victor Stinner in 
branch 'main':
bpo-46417: Call _PyDebug_PrintTotalRefs() later (GH-30744)
https://github.com/python/cpython/commit/ea38e436fe1e585fb8c1f0badf5482f525b7f9ff


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset d013b241352e902389f955f8f99d75f16c124ee2 by Victor Stinner in 
branch 'main':
bpo-46417: signal uses PyStructSequence_NewType() (GH-30735)
https://github.com/python/cpython/commit/d013b241352e902389f955f8f99d75f16c124ee2


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:

See also bpo-46449 "Deep-freezed modules create inconsistency in 
sys.gettotalrefcount() (_Py_Reftotal)".

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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 1781d55eb34f94029e50970232635fc5082378cb by Victor Stinner in 
branch 'main':
bpo-46417: _curses uses PyStructSequence_NewType() (GH-30736)
https://github.com/python/cpython/commit/1781d55eb34f94029e50970232635fc5082378cb


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 17f268a4ae6190b2659c89c6f32ad2d006e0e3c8 by Victor Stinner in 
branch 'main':
bpo-46417: time module uses PyStructSequence_NewType() (GH-30734)
https://github.com/python/cpython/commit/17f268a4ae6190b2659c89c6f32ad2d006e0e3c8


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset f389b37fb1cebe7ed66331cdd373a014695261f6 by Victor Stinner in 
branch 'main':
bpo-46417: _thread uses PyStructSequence_NewType() (GH-30733)
https://github.com/python/cpython/commit/f389b37fb1cebe7ed66331cdd373a014695261f6


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

Change by STINNER Victor :


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[issue46417] Clear static types in Py_Finalize() for embedded Python

[STINNER Victor]

STINNER Victor  added the comment:


New changeset 6415e2ee4955b1a995c1e75544e2506b03780c3d by Victor Stinner in 
branch 'main':
bpo-46417: _testembed.c avoids Py_SetProgramName() (GH-30732)
https://github.com/python/cpython/commit/6415e2ee4955b1a995c1e75544e2506b03780c3d


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