Install and Use uv

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15 Installation of uv environmental management tool

uv is a Python package management and virtual environment tool developed with Rust. Its objectives are very clear:

It's not easy for Python to rely on management.

You can read uv as a combination of pip, venv, pip-tools.

Install uv tools

Install uv:

bash

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

Upon installation, confirm:

bash

uv --version

Basic use

Manage Python Versions

uv can easily manage several Python versions without additional tools such as pyenv.

View available Python versions:

bash

uv python list

The uv python command 3.11 can install a specific version of Python.

Create virtual environments

bash

uv venv .opencv --python 3.10.12

Of which .opencv is the name of the virtual environment; 3.10.12 is a python version of the virtual environment.

Activate Virtual Environment

bash

source .venv/bin/activate

Package management

bash

# Install new packages:
uv pip install opencv-python
# uv pip install -r requirements.txt

# Uninstall packages:
uv pip uninstall requests

# Export the dependencies of the current environment
uv pip freeze > requirements.txt

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