mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
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44cd3e8c2f
LICENSE
- The repository previously had no LICENSE file. The README and every
downstream plugin README already reference GPL-3.0 ("same as
LEDMatrix project"), but the canonical license text was missing —
contributors had no formal record of what they were contributing
under, and GitHub couldn't auto-detect the license for the repo
banner.
- Added the canonical GPL-3.0 text from
https://www.gnu.org/licenses/gpl-3.0.txt (verbatim, 674 lines).
- Compatibility verified: rpi-rgb-led-matrix is GPL-2.0-or-later
(per its COPYING file and README; the "or any later version" clause
in lib/*.h headers makes GPL-3.0 distribution legal).
CONTRIBUTING.md
- The repository had no CONTRIBUTING file. New contributors had to
reconstruct the dev setup from DEVELOPMENT.md, PLUGIN_DEVELOPMENT_GUIDE.md,
SUBMISSION.md, and the root README.
- Added a single page covering: dev environment setup (preview
server, emulator, hardware), running tests, PR submission flow,
commit message convention, plugin contribution pointer, and the
license terms contributors are agreeing to.
> Note for the maintainer: I (the AI assistant doing this audit) am
> selecting GPL-3.0 because every reference in the existing
> documentation already says GPL-3.0 — this commit just makes that
> declaration legally binding by adding the actual file. Please
> confirm during PR review that GPL-3.0 is what you want; if you
> prefer a different license, revert this commit before merging.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
114 lines
4.0 KiB
Markdown
114 lines
4.0 KiB
Markdown
# Contributing to LEDMatrix
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Thanks for considering a contribution! LEDMatrix is built with help from
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the community and we welcome bug reports, plugins, documentation
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improvements, and code changes.
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## Quick links
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- **Bugs / feature requests**: open an issue using one of the templates
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in [`.github/ISSUE_TEMPLATE/`](.github/ISSUE_TEMPLATE/).
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- **Real-time discussion**: the
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[LEDMatrix Discord](https://discord.gg/uW36dVAtcT).
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- **Plugin development**:
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[`docs/PLUGIN_DEVELOPMENT_GUIDE.md`](docs/PLUGIN_DEVELOPMENT_GUIDE.md)
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and the [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
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repository.
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- **Security issues**: see [`SECURITY.md`](SECURITY.md). Please don't
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open public issues for vulnerabilities.
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## Setting up a development environment
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1. Clone with submodules:
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```bash
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git clone --recurse-submodules https://github.com/ChuckBuilds/LEDMatrix.git
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cd LEDMatrix
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```
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2. For development without hardware, run the dev preview server:
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```bash
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python3 scripts/dev_server.py
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# then open http://localhost:5001
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```
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See [`docs/DEV_PREVIEW.md`](docs/DEV_PREVIEW.md) for details.
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3. To run the full display in emulator mode:
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```bash
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EMULATOR=true python3 run.py
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```
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4. To target real hardware on a Raspberry Pi, follow the install
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instructions in the root [`README.md`](README.md).
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## Running the tests
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```bash
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pip install -r requirements.txt
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pytest
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```
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See [`docs/HOW_TO_RUN_TESTS.md`](docs/HOW_TO_RUN_TESTS.md) for details
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on test markers, the per-plugin tests, and the web-interface
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integration tests.
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## Submitting changes
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1. **Open an issue first** for non-trivial changes. This avoids
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wasted work on PRs that don't fit the project direction.
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2. **Create a topic branch** off `main`:
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`feat/<short-description>`, `fix/<short-description>`,
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`docs/<short-description>`.
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3. **Keep PRs focused.** One conceptual change per PR. If you find
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adjacent bugs while working, fix them in a separate PR.
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4. **Follow the existing code style.** Python code uses standard
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`black`/`ruff` conventions; HTML/JS in `web_interface/` follows the
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patterns already in `templates/v3/` and `static/v3/`.
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5. **Update documentation** alongside code changes. If you add a
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config key, document it in the relevant `*.md` file (or, for
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plugins, in `config_schema.json` so the form is auto-generated).
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6. **Run the tests** locally before opening the PR.
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7. **Use the PR template** — `.github/PULL_REQUEST_TEMPLATE.md` will
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prompt you for what we need.
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## Commit message convention
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Conventional Commits is encouraged but not strictly enforced:
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- `feat: add NHL playoff bracket display`
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- `fix(plugin-loader): handle missing class_name in manifest`
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- `docs: correct web UI port in TROUBLESHOOTING.md`
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- `refactor(cache): consolidate strategy lookup`
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Keep the subject under 72 characters; put the why in the body.
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## Contributing a plugin
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LEDMatrix plugins live in their own repository:
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[`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins).
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Plugin contributions go through that repo's
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[`SUBMISSION.md`](https://github.com/ChuckBuilds/ledmatrix-plugins/blob/main/SUBMISSION.md)
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process. The
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[`hello-world` plugin](https://github.com/ChuckBuilds/ledmatrix-plugins/tree/main/plugins/hello-world)
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is the canonical starter template.
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## Reviewing pull requests
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Maintainer review is by [@ChuckBuilds](https://github.com/ChuckBuilds).
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Community review is welcome on any open PR — leave constructive
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comments, test on your hardware if applicable, and call out anything
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unclear.
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## Code of conduct
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This project follows the [Contributor Covenant](CODE_OF_CONDUCT.md). By
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participating you agree to abide by its terms.
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## License
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LEDMatrix is licensed under the [GNU General Public License v3.0 or
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later](LICENSE). By submitting a contribution you agree to license it
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under the same terms (the standard "inbound = outbound" rule that
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GitHub applies by default).
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LEDMatrix builds on
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[`rpi-rgb-led-matrix`](https://github.com/hzeller/rpi-rgb-led-matrix),
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which is GPL-2.0-or-later. The "or later" clause makes it compatible
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with GPL-3.0 distribution.
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