core/homeassistant/components/imap/sensor.py

62 lines
1.9 KiB
Python

"""IMAP sensor support."""
from __future__ import annotations
from homeassistant.components.sensor import (
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.const import CONF_USERNAME
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import ImapConfigEntry
from .const import DOMAIN
from .coordinator import ImapDataUpdateCoordinator
IMAP_MAIL_COUNT_DESCRIPTION = SensorEntityDescription(
key="imap_mail_count",
state_class=SensorStateClass.MEASUREMENT,
suggested_display_precision=0,
translation_key="imap_mail_count",
name=None,
)
async def async_setup_entry(
hass: HomeAssistant, entry: ImapConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up the Imap sensor."""
coordinator = entry.runtime_data
async_add_entities([ImapSensor(coordinator, IMAP_MAIL_COUNT_DESCRIPTION)])
class ImapSensor(CoordinatorEntity[ImapDataUpdateCoordinator], SensorEntity):
"""Representation of an IMAP sensor."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: ImapDataUpdateCoordinator,
description: SensorEntityDescription,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = f"{coordinator.config_entry.entry_id}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, coordinator.config_entry.entry_id)},
name=f"IMAP ({coordinator.config_entry.data[CONF_USERNAME]})",
entry_type=DeviceEntryType.SERVICE,
)
@property
def native_value(self) -> int | None:
"""Return the number of emails found."""
return self.coordinator.data