To install environments from these lock files either download them from this page or direct your installer towards their url.
Report issues on GitHub: github.com/iris-hep/analysis-systems-env-nightlies
python -m pip install --upgrade --require-hashes --requirement https://iris-hep.org/analysis-systems-env-nightlies/iris-hep/3.12/requirements.lock
Python 3.12 uv example:uv pip install --require-hashes --requirement https://iris-hep.org/analysis-systems-env-nightlies/iris-hep/3.12/requirements.lock
or
# note that uv pip sync removes any packages in the target virtual environment not in the lock file
uv pip sync --require-hashes https://iris-hep.org/analysis-systems-env-nightlies/iris-hep/3.12/requirements.lock
micromamba create --name iris-hep --file https://iris-hep.org/analysis-systems-env-nightlies/iris-hep/3.12/conda-lock.yml
or
# conda-lock install doesn't work with urls
curl -sLO https://iris-hep.org/analysis-systems-env-nightlies/iris-hep/3.12/conda-lock.yml
# c.f. conda-lock install --help
conda-lock install --micromamba --name iris-hep conda-lock.yml