Hi Di & other folks,

Just quoting Benedikt from earlier in the thread in case it was missed:

Hi,

Indeed, we back-ported support as such in Python.NET 2.5.2, but we ran into some ominous crashes in CI. That's why we don't claim support on Pypi and don't provide wheels for 3.9. You can either build 2.5.2 yourself or the try to use the current master instead. We'll try to come up with a concrete roadmap for the 3.0 release in one of the next biweekly meetings.

Regards
Benedikt

To summarize, Python.NET does NOT support Python 3.9.x at this time. Python.NET is an open-source project with a very small number of part-time volunteer maintainers, so any investigation you're able to do on Python 3.9 is appreciated. If you're able to reproduce crashes, please log them as issues at https://github.com/pythonnet/pythonnet/issues. If you're able to commit development resources to fixing crashes, even better! Pull requests are always welcome!

cheers,
-Mark



On Jul 8, 2021, at 2:10 PM, Di Yang (PACTERA TECHNOLOGIES INC) via PythonNet <pythonnet@python.org> wrote:

Hi Vince/Pythonnet,
 
I tested again with Python 3.9.6 which is released on 6/28, still got error when running “pip install pythonnet”.  I got the same error on two machines. How could we solve it?
<image001.png>
 
Thanks,
Di
 
From: Vince Luff <vinceluff@hotmail.com> 
Sent: Saturday, May 15, 2021 4:19 AM
To: A list for users and developers of Python.NET <pythonnet@python.org>
Cc: Di Yang (PACTERA TECHNOLOGIES INC) <v-diyan@microsoft.com>; Douglas Wyant (Aptly Technology Corporation) <v-douglw@microsoft.com>
Subject: [EXTERNAL] Re: [Python.NET] Re: Support for Python v3.9
 
Hi guys,
 
Am I missing something here, because Python.Net v2.5.2 already supports Python 3.9:
 
 
"Additionally, includes support for Python 3.9"
 
Regards,
Vince
From: Mark Visser <markv@unity3d.com>
Sent: 13 May 2021 17:14
To: A list for users and developers of Python.NET <pythonnet@python.org>
Cc: Di Yang (PACTERA TECHNOLOGIES INC) <v-diyan@microsoft.com>; Douglas Wyant (Aptly Technology Corporation) <v-douglw@microsoft.com>
Subject: [Python.NET] Re: Support for Python v3.9
 
Hi Douglas, 
 
It looks to me like this was fixed in Python 3.6, 3.7, 3.8 and 3.9:
 

 

Fixed In

·         Python 3.6.13 (2021-02-16) fixed by commit e912e94 (branch 3.6) (2020-10-20)
·         Python 3.7.10 (2021-02-16) fixed by commit 43e5231 (branch 3.7) (2020-10-20)
·         Python 3.8.7 (2020-12-21) fixed by commit 6c6c256 (branch 3.8) (2020-10-06)
·         Python 3.9.1 (2020-12-07) fixed by commit b664a1d (branch 3.9) (2020-10-06)
So you should be able to address the CVE by upgrading to one of these patch versions. AFAIK we don't have a timeline for 3.9 support in Python for .NET yet.
 
cheers,
-Mark
 
Mark Visser 
Senior Dev Manager, M&E
Unity Technologies - www.unity3d.com
 
 
 

 



On May 12, 2021, at 12:43 PM, Douglas Wyant (Aptly Technology Corporation) via PythonNet <pythonnet@python.org> wrote:
 
PythonNet,
                Hi folks, I have no idea if this is the correct way to engage support / ask questions, so please redirect me.  We need to deploy Python v3.9 to resolve a known Security issue in older versions.  I’m told we’re blocked on deploying until PythonNet is updated to support v3.9.  So the question is when might that be?
 
CVE-2020-27619: WIndows
Python versions 3.0.0 through 3.9.0 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).
Affected Versions 
Python versions 3.0.0 through 3.9.0 
 
Thanks,
 
Doug Wyant (Aptly Technology Corporation), GSEC, GCIH
Service Engineer 2
Microsoft
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