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Subject:	Re: Test: python312-3.12.8-1 venv fails due to pip wheel?
To:	Robert Terzi <rct+cygwin AT r-t DOT org>
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As a workaround, you can try passing `--without-pip`.
I had success with this:

python -m venv --system-site-packages --without-pip _venv


Michael

On Thu, Jan 2, 2025 at 11:38 AM Robert Terzi via Cygwin <cygwin AT cygwin DOT com>
wrote:

> Testing the 3.12 package, trying to make a virtual env fails. I think this
> is because it is looking for the pip wheel.
>
> I've installed the available 3.12 packages (pip, wheel, setuptools, devel).
>
> venv fails with/without --system-site-packages.  I think venv is trying to
> run '-m ensurepip' which seems to
> have a dependency on pip wheel.
>
> $ python3.12 -m venv /srv/pyvenvs/py312
> Error: Command '['/srv/pyvenvs/py312/bin/python3.12', '-m', 'ensurepip',
> '--upgrade', '--default-pip']' returned non-zero exit status 1.
>
> $ python3.12 -m venv --system-site-packages /srv/pyvenvs/py312
> Error: Command '['/srv/pyvenvs/py312/bin/python3.12', '-m', 'ensurepip',
> '--upgrade', '--default-pip']' returned non-zero exit status 1.
>
> Trying -m ensurepip directly yields:
> $ python3.12 -m ensurepip
> [...snip...]
> FileNotFoundError: [Errno 2] No such file or directory:
> '/usr/lib/python3.12/ensurepip/_bundled/pip-24.3.1-py3-none-any.whl'
>
> This works with the previously working 3.9 installation.  (I haven't tried
> the updated 3.9 install yet.)
>
> For 3.9 it looks like the pip*.whl file is in a different location:
>
> $ find /usr/lib/python* -name 'pip*.whl'
>
> /usr/lib/python3.9/site-packages/virtualenv/seed/wheels/embed/pip-20.3.4-py2.py3-none-any.whl
>
> /usr/lib/python3.9/site-packages/virtualenv/seed/wheels/embed/pip-21.3.1-py3-none-any.whl
>
> /usr/lib/python3.9/site-packages/virtualenv/seed/wheels/embed/pip-23.0.1-py3-none-any.whl
>
> I haven't tried to install/build any modules/wheels since the intent was
> to test the new packages.
> Hopefully I'm not missing something obvious.
>
> Thanks!
>
>
>
>
> On 12/30/2024 8:53 AM, Marco Atzeri via Cygwin-announce wrote:
> > New test release for
> >
> >     python312    3.12.8-1
> >
> > new releases for
> >
> >     python312-doc    3.12.8-1
> >
> >     python{39,312}-packaging    24.2-1
> >     python{39,312}-pip        24.3.1-1
> >     python{39,312}-setuptools    75.6.0-1
> >     python{39,312}-wheel        0.45.1-1
> >
> > CHANGES
> > latest upstream 3.12.x release. First packaged for Cygwin
> >
> > CYGWIN CHANGES
> > Only python 3.9 and 3.12 are updated.
> > Python 2, 3.6, 3.7, 3.8 are not anymore supported upstream.
> >
> > https://devguide.python.org/versions/#versions
> >
> > The main packages include postinstall script that
> > use "alternatives" to define for
> >
> >    /usr/bin/python
> >
> >    /usr/bin/python3
> >    /usr/bin/idle3
> >    /usr/bin/pydoc3
> >
> > a default to the highest package available.
> >
> > $ alternatives --display python
> > python - status is auto.
> >  link currently points to /usr/bin/python3.12
> > /usr/bin/python3.9 - priority 39
> > /usr/bin/python3.12 - priority 312
> > Current `best' version is /usr/bin/python3.12.
> >
> > Rationale:
> > https://www.python.org/dev/peps/pep-0394/
> > In other systems as Debian
> > /usr/bin/python is discouraged.
> >
> > DESCRIPTION
> > Python is a programming language that lets you work quickly
> > and integrate systems more effectively.
> > Python is powerful... and fast; plays well with others;
> > runs everywhere; is friendly & easy to learn; is Open.
> >
> > HOMEPAGE
> > https://www.python.org/
> >
> > Regards
> > Marco Atzeri
> >
> >
> > If you have questions or comments, please send them to the
> > cygwin mailing list at: cygwin (at) cygwin (dot) com .
>
>
>
> --
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