uv

Fast Python package and project manager with built-in virtual environment management.

Project Setup

uv init my-app             # App project
uv init my-lib --lib      # Library project
uv init --script script.py # Standalone script
uv python pin 3.11        # Pin Python version

Dependencies

uv add requests           # Add dependency
uv add --dev pytest       # Add dev dependency
uv add --optional ml scikit-learn  # Add optional