This is an action which sets up Python and poetry for a project that uses Poetry to manage its dependencies. It requires a poetry.lock file to be present in the root of the repository. The action:

• calls actions/setup-python,
• pip-installs poetry,
• poetry install-s the current project,
• uses actions/cache to cache the poetry installation and the virtual environment it manages.

From this point, the caller of the action can run commands within the poetry-managed environment with poetry run.

The Python and Poetry versions to are configurable: see action.yaml for details.

This particular action is loosely based on snok/install-poetry: in particular, the advice from its README on handling caching.