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

uv self update

uv --help
uv init
uv add requests
uv remove requests
uv sync
uv run python -V

uv init myapp
cd myapp

uv add fastapi
uv add "requests>=2.31"

uv remove fastapi

uv python list
uv python install 3.12
uv python pin 3.12
uv python use 3.12

uv run python app.py
uv run pytest

uvx ruff check .
uvx black .

uv lock
uv sync --frozen
uv export -o requirements.txt