Isn't pipx addressing exactly that? once the script is non-trivial, 'install' it using pipx, in editable mode when you work on the script and as normal pipx in

Isn't pipx addressing exactly that? once the script is non-trivial, 'install' it using pipx, in editable mode when you work on the script and as normal pipx installed cli utility otherwise. the venv part is then completely under the hood.