Zephyr RTOS Project meta-tool
This is the Zephyr RTOS meta tool, west.
pip3 install west
(Use pip3 uninstall west to uninstall it.)
West lets you manage multiple Git repositories under a single directory using a single file, called the west manifest file, or manifest for short. By default the manifest file is named west.yml. You use west init to set up this directory, then west update to fetch and/or update the repositories named in the manifest.
By default, west uses upstream Zephyr’s manifest file, but west doesn’t care if the manifest repository is a Zephyr tree or not.
For more details, see Multiple Repository Management in the west documentation.
Example usage using the upstream manifest file:
mkdir zephyrproject && cd zephyrproject west init west update
What just happened:
- west init clones the upstream west manifest repository, which in this case is the zephyr repository. The manifest repository contains west.yml, a YAML description of the Zephyr installation, including Git repositories and other metadata.
- west update clones the other repositories named in the manifest file, creating working trees in the installation directory zephyrproject.
Use west init -m to specify another manifest repository. Use --mr to use a revision other than master. Use --mf to use a manifest file other than west.yml.
West has multiple sub-commands. After running west init, you can run them from anywhere under zephyrproject.
For a list of available commands, run west -h. Get help on a command with west <command> -h.
West is extensible: you can add new commands to west without modifying its source code. See Extensions in the documentation for details.
Running the Tests
First, install tox:
# macOS, Windows pip3 install tox # Linux pip3 install --user tox
Then, run the test suite locally from the top level directory:
See the tox configuration file, tox.ini, for more details.
Hacking on West
Installing from Source
The wheel package is required to install west from source. See “Installing Wheel” below if you don’t have wheel installed.
To build the west wheel file:
# macOS, Linux python3 setup.py bdist_wheel # Windows py -3 setup.py bdist_wheel
This will create a file named dist/west-x.y.z-py3-none-any.whl, where x.y.z is the current version in setup.py.
To install the wheel:
pip3 install -U dist/west-x.y.z-py3-none-any.whl
You can pip3 uninstall west to remove this wheel before re-installing the version from PyPI, etc.
To run west “live” from the current source code tree, run this command from the top level directory in the west repository:
pip3 install -e .
This is useful if you are actively working on west and don’t want to re-package and install a wheel each time you run it.
On macOS and Windows, you can install wheel with:
pip3 install wheel
That also works on Linux, but you may want to install wheel from your system package manager instead – e.g. if you installed pip from your system package manager. The wheel package is likely named something like python3-wheel in that case.
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