core/homeassistant/components/axis/hub/hub.py

105 lines
3.4 KiB
Python

"""Axis network device abstraction."""
from __future__ import annotations
from typing import TYPE_CHECKING, Any
import axis
from homeassistant.core import Event, HomeAssistant, callback
from homeassistant.helpers import device_registry as dr
from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, format_mac
from homeassistant.helpers.dispatcher import async_dispatcher_send
from ..const import ATTR_MANUFACTURER, DOMAIN as AXIS_DOMAIN
from .config import AxisConfig
from .entity_loader import AxisEntityLoader
from .event_source import AxisEventSource
if TYPE_CHECKING:
from .. import AxisConfigEntry
class AxisHub:
"""Manages a Axis device."""
def __init__(
self, hass: HomeAssistant, config_entry: AxisConfigEntry, api: axis.AxisDevice
) -> None:
"""Initialize the device."""
self.hass = hass
self.config = AxisConfig.from_config_entry(config_entry)
self.entity_loader = AxisEntityLoader(self)
self.event_source = AxisEventSource(hass, config_entry, api)
self.api = api
self.fw_version = api.vapix.firmware_version
self.product_type = api.vapix.product_type
self.unique_id = format_mac(api.vapix.serial_number)
self.additional_diagnostics: dict[str, Any] = {}
@property
def available(self) -> bool:
"""Connection state to the device."""
return self.event_source.available
# Signals
@property
def signal_reachable(self) -> str:
"""Device specific event to signal a change in connection status."""
return self.event_source.signal_reachable
@property
def signal_new_address(self) -> str:
"""Device specific event to signal a change in device address."""
return f"axis_new_address_{self.config.entry.entry_id}"
@staticmethod
async def async_new_address_callback(
hass: HomeAssistant, config_entry: AxisConfigEntry
) -> None:
"""Handle signals of device getting new address.
Called when config entry is updated.
This is a static method because a class method (bound method),
cannot be used with weak references.
"""
hub = config_entry.runtime_data
hub.config = AxisConfig.from_config_entry(config_entry)
hub.event_source.config_entry = config_entry
hub.api.config.host = hub.config.host
async_dispatcher_send(hass, hub.signal_new_address)
async def async_update_device_registry(self) -> None:
"""Update device registry."""
device_registry = dr.async_get(self.hass)
device_registry.async_get_or_create(
config_entry_id=self.config.entry.entry_id,
configuration_url=self.api.config.url,
connections={(CONNECTION_NETWORK_MAC, self.unique_id)},
identifiers={(AXIS_DOMAIN, self.unique_id)},
manufacturer=ATTR_MANUFACTURER,
model=f"{self.config.model} {self.product_type}",
name=self.config.name,
sw_version=self.fw_version,
)
# Setup and teardown methods
@callback
def setup(self) -> None:
"""Set up the device events."""
self.entity_loader.initialize_platforms()
self.event_source.setup()
async def shutdown(self, event: Event) -> None:
"""Stop the event stream."""
self.event_source.teardown()
@callback
def teardown(self) -> None:
"""Reset this device to default state."""
self.event_source.teardown()