Files
core/homeassistant/components/monzo/sensor.py
T

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3.5 KiB
Python

"""Platform for sensor integration."""
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any, override
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.typing import StateType
from .coordinator import MonzoConfigEntry, MonzoCoordinator, MonzoData
from .entity import MonzoBaseEntity
@dataclass(frozen=True, kw_only=True)
class MonzoSensorEntityDescription(SensorEntityDescription):
"""Describes Monzo sensor entity."""
value_fn: Callable[[dict[str, Any]], StateType]
ACCOUNT_SENSORS = (
MonzoSensorEntityDescription(
key="balance",
translation_key="balance",
value_fn=lambda data: data["balance"]["balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
suggested_display_precision=2,
),
MonzoSensorEntityDescription(
key="total_balance",
translation_key="total_balance",
value_fn=lambda data: data["balance"]["total_balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
suggested_display_precision=2,
),
)
POT_SENSORS = (
MonzoSensorEntityDescription(
key="pot_balance",
translation_key="pot_balance",
value_fn=lambda data: data["balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
suggested_display_precision=2,
),
)
MODEL_POT = "Pot"
async def async_setup_entry(
hass: HomeAssistant,
config_entry: MonzoConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Defer sensor setup to the shared sensor module."""
coordinator = config_entry.runtime_data
accounts = [
MonzoSensor(
coordinator,
entity_description,
account_id,
account["name"],
account["balance"]["currency"],
lambda x: x.accounts,
)
for entity_description in ACCOUNT_SENSORS
for account_id, account in coordinator.data.accounts.items()
]
pots = [
MonzoSensor(
coordinator,
entity_description,
pot_id,
MODEL_POT,
pot["currency"],
lambda x: x.pots,
)
for entity_description in POT_SENSORS
for pot_id, pot in coordinator.data.pots.items()
]
async_add_entities(accounts + pots)
class MonzoSensor(MonzoBaseEntity, SensorEntity):
"""Represents a Monzo sensor."""
entity_description: MonzoSensorEntityDescription
def __init__(
self,
coordinator: MonzoCoordinator,
entity_description: MonzoSensorEntityDescription,
resource_id: str,
device_model: str,
currency: str,
data_accessor: Callable[[MonzoData], dict[str, dict[str, Any]]],
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator, resource_id, device_model, data_accessor)
self.entity_description = entity_description
self._attr_native_unit_of_measurement = currency
self._attr_unique_id = f"{resource_id}_{entity_description.key}"
@property
@override
def native_value(self) -> StateType:
"""Return the state."""
try:
state = self.entity_description.value_fn(self.data)
except KeyError, ValueError:
return None
return state