mirror of https://github.com/home-assistant/core
105 lines
3.7 KiB
Python
105 lines
3.7 KiB
Python
"""Support for ONVIF binary sensors."""
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from __future__ import annotations
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from homeassistant.components.binary_sensor import (
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BinarySensorDeviceClass,
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BinarySensorEntity,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import STATE_ON
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers import entity_registry as er
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.restore_state import RestoreEntity
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from homeassistant.util.enum import try_parse_enum
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from .const import DOMAIN
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from .device import ONVIFDevice
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from .entity import ONVIFBaseEntity
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up a ONVIF binary sensor."""
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device: ONVIFDevice = hass.data[DOMAIN][config_entry.unique_id]
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entities = {
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event.uid: ONVIFBinarySensor(event.uid, device)
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for event in device.events.get_platform("binary_sensor")
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}
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ent_reg = er.async_get(hass)
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for entry in er.async_entries_for_config_entry(ent_reg, config_entry.entry_id):
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if entry.domain == "binary_sensor" and entry.unique_id not in entities:
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entities[entry.unique_id] = ONVIFBinarySensor(
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entry.unique_id, device, entry
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)
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async_add_entities(entities.values())
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uids_by_platform = device.events.get_uids_by_platform("binary_sensor")
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@callback
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def async_check_entities() -> None:
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"""Check if we have added an entity for the event."""
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nonlocal uids_by_platform
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if not (missing := uids_by_platform.difference(entities)):
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return
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new_entities: dict[str, ONVIFBinarySensor] = {
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uid: ONVIFBinarySensor(uid, device) for uid in missing
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}
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if new_entities:
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entities.update(new_entities)
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async_add_entities(new_entities.values())
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device.events.async_add_listener(async_check_entities)
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class ONVIFBinarySensor(ONVIFBaseEntity, RestoreEntity, BinarySensorEntity):
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"""Representation of a binary ONVIF event."""
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_attr_should_poll = False
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_attr_unique_id: str
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def __init__(
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self, uid: str, device: ONVIFDevice, entry: er.RegistryEntry | None = None
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) -> None:
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"""Initialize the ONVIF binary sensor."""
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self._attr_unique_id = uid
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if entry is not None:
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self._attr_device_class = try_parse_enum(
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BinarySensorDeviceClass, entry.original_device_class
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)
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self._attr_entity_category = entry.entity_category
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self._attr_name = entry.name
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else:
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event = device.events.get_uid(uid)
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assert event
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self._attr_device_class = try_parse_enum(
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BinarySensorDeviceClass, event.device_class
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)
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self._attr_entity_category = event.entity_category
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self._attr_entity_registry_enabled_default = event.entity_enabled
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self._attr_name = f"{device.name} {event.name}"
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self._attr_is_on = event.value
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super().__init__(device)
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@property
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def is_on(self) -> bool | None:
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"""Return true if the binary sensor is on."""
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if (event := self.device.events.get_uid(self._attr_unique_id)) is not None:
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return event.value
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return self._attr_is_on
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async def async_added_to_hass(self) -> None:
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"""Connect to dispatcher listening for entity data notifications."""
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self.async_on_remove(
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self.device.events.async_add_listener(self.async_write_ha_state)
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)
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if (last_state := await self.async_get_last_state()) is not None:
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self._attr_is_on = last_state.state == STATE_ON
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