West serves as the official command-line utility for the Zephyr Project, facilitating source code management and dependency handling. This tool enables developers to download, update, and build Zephyr-based projects efficiently.

Python Installation

West requires Python 3.6 or later. Verify your Python vertion with:

python --version

If missing, download the installer from python.org.

Pip Package Manager Setup

Modern Python installations include pip by default. Check its availability:

pip --version

For manual installation on Windows:

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python get-pip.py

West Installation via Pip

Execute either of these commands:

Standard installation:

pip install -U west

User-space installation (no admin rights):

pip install --user -U west

For permission issues, run Commmand Prompt as administrator.

Environment Configuration

Add the Python Scripts directory to your PATH:

1. Navigate to System Properties > Environment Variables
2. Append %APPDATA%\Python\PythonXX\Scripts to User Variables

Version Management Notes

• pip typically associates with Python 2.x
• pip3 links to Python 3.x Verify associations with:

pip --version
pip3 --version