Re: recommended practice for python 3.11 on F39

2023-11-18 Thread Ranjan Maitra via users 
My thanks again for this!


On Sat Nov18'23 08:26:10AM, George N. White III wrote:
> From: "George N. White III" 
> Date: Sat, 18 Nov 2023 08:26:10 -0400
> To: Community support for Fedora users 
> Reply-To: Community support for Fedora users 
> Subject: Re: recommended practice for python 3.11 on F39
>
> On Fri, Nov 17, 2023 at 10:29 PM Ranjan Maitra via users <
> users@lists.fedoraproject.org> wrote:
>
> > So, it turns out that there is no tensorflow for Python 3.12, which is
> > what is shipped out with F39.
> >
> > I tried to downgrade my python using
> >
> > sudo dnf downgrade python --releasever=38
> >
> > that downgrades a huge bunch of things, including important components
> > like rpm.
> >
>
> Many system tools use python -- as you have discovered, downgrading it will
> cause problems.
>
> >
> > However, dnf install/update pretty much anything gives a segmentation
> > fault after that.
> >
> > $ sudo dnf update --exclude=python\*
> > Last metadata expiration check: 2:37:29 ago on Fri 17 Nov 2023 05:50:32 PM
> > CST.
> > Segmentation fault
> >
> > Staying within the dnf system, is there a better way to keep the older
> > version of python around?
> >
>
> You broke dnf.  Fix it and you can install the F39 python3.11 package.
> There are ways
> (environments, tweaks to the hashbang line in python scripts).  With F38 I
> used 3rd party
>  python tools that needed python-3.10.   I haven't had time to see what is
> provided with
> F39, but you can look for conda or mamba packages.

I was not aware that it was possibe to install python3.11 using dnf in F39, so 
thanks for this. Wow, amazing! The old tensorflow installation just works out 
of the box. Did not expect that.

Thanks for this!

>
> Anaconda Python is a widely used platform independent system that supports
> use of multiple
> python versions via environments.
>

Thanks also for all the other information, it is very helpful and I will keep 
it with me for later use.

Best wishes,
Ranjan
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Re: recommended practice for python 3.11 on F39

2023-11-18 Thread George N. White III 
On Fri, Nov 17, 2023 at 10:29 PM Ranjan Maitra via users <
users@lists.fedoraproject.org> wrote:

> So, it turns out that there is no tensorflow for Python 3.12, which is
> what is shipped out with F39.
>
> I tried to downgrade my python using
>
> sudo dnf downgrade python --releasever=38
>
> that downgrades a huge bunch of things, including important components
> like rpm.
>

Many system tools use python -- as you have discovered, downgrading it will
cause problems.

>
> However, dnf install/update pretty much anything gives a segmentation
> fault after that.
>
> $ sudo dnf update --exclude=python\*
> Last metadata expiration check: 2:37:29 ago on Fri 17 Nov 2023 05:50:32 PM
> CST.
> Segmentation fault
>
> Staying within the dnf system, is there a better way to keep the older
> version of python around?
>

You broke dnf.  Fix it and you can install the F39 python3.11 package.
There are ways
(environments, tweaks to the hashbang line in python scripts).  With F38 I
used 3rd party
 python tools that needed python-3.10.   I haven't had time to see what is
provided with
F39, but you can look for conda or mamba packages.

Anaconda Python is a widely used platform independent system that supports
use of multiple
python versions via environments.



>
> Many thanks,
> Ranjan
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>


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Re: recommended practice for python 3.11 on F39

2023-11-18 Thread Hiep Pham via users 
On 18/11/23 03:29, Ranjan Maitra via users wrote:
> So, it turns out that there is no tensorflow for Python 3.12, which is
> what is shipped out with F39.
>
> I tried to downgrade my python using
>
> sudo dnf downgrade python --releasever=38
>
> that downgrades a huge bunch of things, including important components
> like rpm.
>
> However, dnf install/update pretty much anything gives a segmentation
> fault after that.
>
> $ sudo dnf update --exclude=python\*
> Last metadata expiration check: 2:37:29 ago on Fri 17 Nov 2023 05:50:32 PM 
> CST.
> Segmentation fault
>
> Staying within the dnf system, is there a better way to keep the older
> version of python around?

You should try something like Pyenv [1] or miniconda [2] to manage 
different Python versions instead of messing around with the system 
packages.


[1]: https://github.com/pyenv/pyenv

[2]: https://docs.conda.io/projects/miniconda/en/latest/

-- 
Hiep

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Re: recommended practice for python 3.11 on F39

2023-11-17 Thread Jeffrey Walton 
On Fri, Nov 17, 2023 at 9:30 PM Ranjan Maitra via users
 wrote:
>
> So, it turns out that there is no tensorflow for Python 3.12, which is
> what is shipped out with F39.
>
> I tried to downgrade my python using
>
> sudo dnf downgrade python --releasever=38
>
> that downgrades a huge bunch of things, including important components
> like rpm.
>
> However, dnf install/update pretty much anything gives a segmentation
> fault after that.
>
> $ sudo dnf update --exclude=python\*
> Last metadata expiration check: 2:37:29 ago on Fri 17 Nov 2023 05:50:32 PM 
> CST.
> Segmentation fault
>
> Staying within the dnf system, is there a better way to keep the older
> version of python around?

The Python folks recommend building from sources, but using a
different $prefix, and installing with `make altinstall`. See
.

Debian has a nice explanation of how to run different versions of
Python. It follows Python's recommendations. Once you download the
version you are interested in, upack it, run `./configure
--prefix=/opt && make && make test`. Follow it with a `make
altinstall`. Also see .

If you try Python's method, do not install into /usr/local. Pick a
location like /opt/python3.11. Unexpected versions of software in
/usr/local can cause quite a bit of pain since /usr/local is often
on-path.

Jeff
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recommended practice for python 3.11 on F39

2023-11-17 Thread Ranjan Maitra via users 
So, it turns out that there is no tensorflow for Python 3.12, which is
what is shipped out with F39.

I tried to downgrade my python using

sudo dnf downgrade python --releasever=38

that downgrades a huge bunch of things, including important components
like rpm.

However, dnf install/update pretty much anything gives a segmentation
fault after that.

$ sudo dnf update --exclude=python\*
Last metadata expiration check: 2:37:29 ago on Fri 17 Nov 2023 05:50:32 PM CST.
Segmentation fault

Staying within the dnf system, is there a better way to keep the older
version of python around?

Many thanks,
Ranjan
--
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