[Python] How to set up shiv to properly use an existent .venv site-packages and not redownload...

I'm trying to use shiv with a project that contains a pyproject.toml in my CI.

This project is being built, in a previous step, by PDM with SetupTools as build-backend, and all dependencies are already in the .venv created by it.

I just want shiv to pack it.

But when it executes

pdm run shiv --compressed -e myproject.cli:cli -o myproject.pyz
-p '/usr/bin/env python3.12' --no-build-isolation
--site-packages .venv/lib/python3.12/site-packages


Then shiv starts to download everything again and for some deps, to build it.

Collecting python-dotenv>=0.21.0 (from pydantic-settings->myproject==4.1.0rc1)

Downloading https://artifactory/api/pypi/python/packages/packages/5f/ed/539768cf28c661b5b068d66d96a2f155c4971a5d55684a514c1a0e0dec2f/python_dotenv-1.1.1-py3-none-any.whl (20 kB)

Building wheels for collected packages: airspeed
...

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