sensor_entity_description.py

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"""Sensor Entity Description for the Growatt integration."""
 
from __future__ import annotations
 
from dataclasses import dataclass
 
from homeassistant.components.sensor import SensorEntityDescription
 
 
@dataclass(frozen=True)
class GrowattRequiredKeysMixin:
    """Mixin for required keys."""
 
    api_key: str
 
 
@dataclass(frozen=True)
class GrowattSensorEntityDescription(SensorEntityDescription, GrowattRequiredKeysMixin):
    """Describes Growatt sensor entity."""
 
    precision: int | None = None
    currency: bool = False
    previous_value_drop_threshold: float | None = None
    never_resets: bool = False