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50 lines
2.7 KiB
Markdown
50 lines
2.7 KiB
Markdown
# Copilot Instructions
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This repository contains a **custom component for Home Assistant**, intended to be distributed via the **HACS (Home Assistant Community Store)**.
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## Development Guidelines
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- Follow the **latest development practices** from both Home Assistant and HACS.
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- This component is actively maintained and must be compatible with the **latest Home Assistant release**.
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- When working with dates or time references, always use the **current real-world date** and assume it is fetched from the internet — never use outdated or static values from training data.
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- Use **async functions**, **non-blocking I/O**, and **config flows** where applicable.
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- Ensure the component is structured with proper files: `__init__.py`, `manifest.json`, `config_flow.py` (if needed), and versioning compatible with HACS.
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## Coding Style
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- Follow **PEP8** and Home Assistant's coding conventions.
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- Use **type hints** and include **docstrings** for all public classes and methods.
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- Prefer **f-strings** for string formatting over `%` or `.format()`.
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## Linting and Code Quality
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- Code must be clean and compliant with **Ruff**, which runs:
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- **Locally** in the **devcontainer** (VS Code or Cursor)
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- **Remotely** via **GitHub Actions**
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- Follow these key Ruff rules:
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- `F401`, `F841` – No unused imports or variables
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- `E402`, `E501` – Imports at top, lines ≤88 chars
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- `C901`, `PLR0912`, `PLR0915` – Keep functions small and simple
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- `PLR0911`, `RET504` – Avoid redundant returns and `else` after `return`
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- `B008` – No mutable default arguments
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- `T201` – Use `_LOGGER`, not `print()`
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- `SIM102` – Use direct conditions (`if x`, not `if x == True`)
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- Prefer a **single return statement** at the end of a function for clarity
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(prepare the return value first, then return it once)
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- Avoid returning early unless it clearly improves readability
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- Use **Black** for formatting and **isort** for import sorting
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- See `.ruff.toml` for detailed settings
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## Additional Notes
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- Avoid generating placeholder or mock data unless explicitly required.
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- Don’t assume hardcoded paths or specific local setups – use **relative paths** and **configurable options**.
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- YAML examples should be valid and properly formatted for use in Home Assistant configs.
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> ✅ Tip for Copilot: Generate clean, modular, and lint-compliant code from the start to minimize review and CI errors.
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## Tests
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This project does **not currently include automated tests**. Simplicity and fast iteration are prioritized over test coverage at this stage.
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> ⚠️ If you generate tests, keep them minimal and **do not introduce testing frameworks or infrastructure** that are not already present in the project.
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