36 lines
972 B
Python
36 lines
972 B
Python
"""Appliance descriptors registry.
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Adding a new appliance class:
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1. Write `mqtt_demo/samples/<class>.py` with an ApplianceDescriptor
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named after the class (uppercase, e.g. OVEN).
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2. Add it to DESCRIPTORS below.
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3. Set DEVICE_CLASS=<class> in the per-device .env.
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mqtt_demo/__main__.py imports get_descriptor(name) to look up the
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descriptor at startup; the bridge itself stays class-agnostic.
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"""
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from ..descriptor import ApplianceDescriptor
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from .dryer import DRYER
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from .oven import OVEN
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from .fridge import FRIDGE
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DESCRIPTORS: dict[str, ApplianceDescriptor] = {
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DRYER.name: DRYER,
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OVEN.name: OVEN,
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FRIDGE.name: FRIDGE,
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}
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def get_descriptor(name: str) -> ApplianceDescriptor:
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try:
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return DESCRIPTORS[name]
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except KeyError:
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raise ValueError(
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f"unknown DEVICE_CLASS={name!r}; "
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f"available: {sorted(DESCRIPTORS)}") from None
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__all__ = ['ApplianceDescriptor', 'DESCRIPTORS', 'get_descriptor']
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