uv

Install

Pip:

pip install uv

Debian (not packaged for Debian yet) / generic:

curl -LsSf https://astral.sh/uv/install.sh | sh

Arch:

sudo pacman -S uv

Initialize in existing project (creates .python-version, pyproject.toml. hello.py):

uv init --no-workspace .

Add a dependency (creates virtualenv at: .venv):

uv add "ansible<10"
uv add "httpx @ git+https://github.com/encode/httpx"

Add requirements from a requirements.txt file:

uv add -r requirements.txt

Update lockfile when i.e. adding dependencies manually to pyproject.toml:

uv lock

Install dependencies:

uv sync

To run a cmd inside the venv:

uv run ansible