How to deal with requirements.txt on macos

[zikajk]

MacOS doesn't like system-wide packages:

➜  emigo git:(main) ✗ pip3 install -r requirements.txt
error: externally-managed-environment

× This environment is externally managed
╰─> To install Python packages system-wide, try brew install
    xyz, where xyz is the package you are trying to
    install.
    
    If you wish to install a Python library that isn't in Homebrew,
    use a virtual environment:

Is there some recommended way how to deal with this other than pip install package_name --break-system-packages
?

[MatthewZMD]

I think I turned on --break-system-packages by default on my mac.

[mgalgs]

I'd recommend setting up a venv (using uv or the built-in venv module).

[mgalgs]

(If I ever actually get around to testing this I might submit a README PR with instructions 😉 )

[zikajk]

@mgalgs But how do you activate the venv automatically?
Emigo uses:
(if (memq system-type '(cygwin windows-nt ms-dos)) "python.exe" "python3")

[tetsuo-cpp]

@zikajk I think you can point Emigo at the Python executable within your venv.
My use-package has this in it:

:custom
(emigo-python-command "/path/to/venv/bin/python")

[abdrysdale]

Would it be easier if there was an emigo python package on PyPI? That way instead of the requirements being installed globally you could isolate and version through a specific package?

Happy to set this up if it is of interest.