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Welcome to labgrid

LGPLv2.1 unit tests status docker build status coverage status documentation status chat

Purpose

Labgrid is an embedded board control python library with a focus on testing, development and general automation. It includes a remote control layer to control boards connected to other hosts.

The idea behind labgrid is to create an abstraction of the hardware control layer needed for testing of embedded systems, automatic software installation and automation during development. Labgrid itself is not a testing framework, but is intended to be combined with pytest (and additional pytest plugins). Please see Design Decisions for more background information.

It currently supports:

  • remote client-exporter-coordinator infrastructure to make boards available from different computers on a network
  • pytest plugin to write automated tests for embedded systems
  • CLI and library usage for development and automation
  • interaction with bootloader and Linux shells on top of serial console or SSH
  • power/reset management via drivers for power switches
  • upload of binaries and device bootstrapping via USB
  • control of digital outputs, SD card and USB multiplexers
  • integration of audio/video/measurement devices for remote development and testing
  • Docker/QEMU integration

While labgrid is currently used for daily development on embedded boards and for automated testing, several planned features are not yet implemented and the APIs may be changed as more use-cases appear. We appreciate code contributions and feedback on using labgrid on other environments (see Contributing for details). Please consider contacting us (via a GitHub issue) before starting larger changes, so we can discuss design trade-offs early and avoid redundant work. You can also look at Ideas for enhancements which are not yet implemented.

Documentation

Read the Docs

Contributing

Development Docs

IRC channel #labgrid on libera.chat (bridged to the Matrix channel #labgrid:matrix.org)

Background

Work on labgrid started at Pengutronix in late 2016 and is currently in active use and development.

Quickstart

See the Installation section for more details.

Clone the git repository:

$ git clone https://github.com/labgrid-project/labgrid

Create and activate a virtualenv for labgrid:

$ virtualenv -p python3 venv
$ source venv/bin/activate
venv $ pip install --upgrade pip setuptools wheel

Install labgrid into the virtualenv:

venv $ pip install -r requirements.txt
venv $ python setup.py install

Tests can now run via:

venv $ python -m pytest --lg-env <config>