readme.txt

The code you provided is a Home Assistant custom component that retrieves current electricity and gas prices from the Frank Energie service. The component uses the aiohttp library to make HTTP requests to the Frank Energie GraphQL API, which is hosted on the URL specified by the DATA_URL constant. The component defines several classes and functions to handle the retrieval and processing of price data, as well as the creation and management of sensor entities that display the data in Home Assistant.

The component consists of several key parts:

The FrankEnergieCoordinator class is a subclass of DataUpdateCoordinator that retrieves price data from the Frank Energie API and makes it available to the sensor entities that use it. The coordinator uses the asyncio library to run its data retrieval and update operations asynchronously.

The FrankEnergieEntity class is a subclass of CoordinatorEntity that represents a single sensor entity in Home Assistant. It uses the FrankEnergieEntityDescription class to define the properties of the sensor, such as its name, unit of measurement, and the function to use to calculate its state.

The FrankEnergieEntityDescription class is a subclass of SensorEntityDescription that defines the properties of a Frank Energie sensor entity, such as its name, unit of measurement, and the function to use to calculate its state.

The FrankEnergiePlatform class is the main entry point for the component, and is responsible for setting up the component, registering the sensor entities with Home Assistant, and managing their lifecycle. It uses the FrankEnergieCoordinator and FrankEnergieEntity classes to manage the retrieval and display of price data.