core/homeassistant/components/device_tracker/config_entry.py

115 lines
2.9 KiB
Python

"""Code to set up a device tracker platform using a config entry."""
from typing import Optional
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.const import (
STATE_NOT_HOME,
STATE_HOME,
ATTR_GPS_ACCURACY,
ATTR_LATITUDE,
ATTR_LONGITUDE,
ATTR_BATTERY_LEVEL,
)
from homeassistant.components import zone
from .const import (
ATTR_SOURCE_TYPE,
DOMAIN,
LOGGER,
)
async def async_setup_entry(hass, entry):
"""Set up an entry."""
component = hass.data.get(DOMAIN) # type: Optional[EntityComponent]
if component is None:
component = hass.data[DOMAIN] = EntityComponent(
LOGGER, DOMAIN, hass
)
return await component.async_setup_entry(entry)
async def async_unload_entry(hass, entry):
"""Unload an entry."""
return await hass.data[DOMAIN].async_unload_entry(entry)
class DeviceTrackerEntity(Entity):
"""Represent a tracked device."""
@property
def battery_level(self):
"""Return the battery level of the device.
Percentage from 0-100.
"""
return None
@property
def location_accuracy(self):
"""Return the location accuracy of the device.
Value in meters.
"""
return 0
@property
def location_name(self) -> str:
"""Return a location name for the current location of the device."""
return None
@property
def latitude(self) -> float:
"""Return latitude value of the device."""
return NotImplementedError
@property
def longitude(self) -> float:
"""Return longitude value of the device."""
return NotImplementedError
@property
def source_type(self):
"""Return the source type, eg gps or router, of the device."""
raise NotImplementedError
@property
def state(self):
"""Return the state of the device."""
if self.location_name:
return self.location_name
if self.latitude is not None:
zone_state = zone.async_active_zone(
self.hass, self.latitude, self.longitude,
self.location_accuracy)
if zone_state is None:
state = STATE_NOT_HOME
elif zone_state.entity_id == zone.ENTITY_ID_HOME:
state = STATE_HOME
else:
state = zone_state.name
return state
return None
@property
def state_attributes(self):
"""Return the device state attributes."""
attr = {
ATTR_SOURCE_TYPE: self.source_type
}
if self.latitude is not None:
attr[ATTR_LATITUDE] = self.latitude
attr[ATTR_LONGITUDE] = self.longitude
attr[ATTR_GPS_ACCURACY] = self.location_accuracy
if self.battery_level:
attr[ATTR_BATTERY_LEVEL] = self.battery_level
return attr