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[Roel Schroeven]

Skip Montanaro via Python-list schreef op 20/05/2024 om 0:08:
> Modern debian (ubuntu) and fedora block users installing using pip.
> >
>
> Even if you're telling it to install in ~/.local? I could see not allowing
> to run it as root.

I assumed pip install --user would work, but no. I tried it (on Debian 
12 (bookworm)):

> $ pip install --user docopt
> error: externally-managed-environment
>
> × This environment is externally managed
> ╰─> To install Python packages system-wide, try apt install
>     python3-xyz, where xyz is the package you are trying to
>     install.
>
>     If you wish to install a non-Debian-packaged Python package,
>     create a virtual environment using python3 -m venv path/to/venv.
>     Then use path/to/venv/bin/python and path/to/venv/bin/pip. Make
>     sure you have python3-full installed.
>
>     If you wish to install a non-Debian packaged Python application,
>     it may be easiest to use pipx install xyz, which will manage a
>     virtual environment for you. Make sure you have pipx installed.
>
>     See /usr/share/doc/python3.11/README.venv for more information.
>
> note: If you believe this is a mistake, please contact your Python 
> installation or OS distribution provider. You can override this, at 
> the risk of breaking your Python installation or OS, by passing 
> --break-system-packages.
> hint: See PEP 668 for the detailed specification.

Exactly the same output for sudo pip install.

For easy reference here's a link to that PEP 668: 
https://peps.python.org/pep-0668/
Which links to the "Externally Managed Environments" on the PyPA specs 
page: 
https://packaging.python.org/en/latest/specifications/externally-managed-environments/#externally-managed-environments

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