This folder used to contain a bundled version of i-PI but the bundled version was removed in 06/2024.
i-PI is available via PyPi using the pip package manager at: https://pypi.org/project/ipi/
Here are the commands to set up a virtual environment and install i-PI into it with all its dependencies.
python -m venv ipienv
source ipienv/bin/activate
pip install --upgrade pip
pip install ipi
For further information and other methods of installing i-PI, please consult the i-PI home page.