core/homeassistant/components/apcupsd/binary_sensor.py

45 lines
1.4 KiB
Python

"""Support for tracking the online status of a UPS."""
import voluptuous as vol
from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorEntity
from homeassistant.const import CONF_NAME
import homeassistant.helpers.config_validation as cv
from . import DOMAIN, KEY_STATUS, VALUE_ONLINE
DEFAULT_NAME = "UPS Online Status"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up an APCUPSd Online Status binary sensor."""
apcups_data = hass.data[DOMAIN]
add_entities([OnlineStatus(config, apcups_data)], True)
class OnlineStatus(BinarySensorEntity):
"""Representation of an UPS online status."""
def __init__(self, config, data):
"""Initialize the APCUPSd binary device."""
self._config = config
self._data = data
self._state = None
@property
def name(self):
"""Return the name of the UPS online status sensor."""
return self._config[CONF_NAME]
@property
def is_on(self):
"""Return true if the UPS is online, else false."""
return self._state & VALUE_ONLINE > 0
def update(self):
"""Get the status report from APCUPSd and set this entity's state."""
self._state = int(self._data.status[KEY_STATUS], 16)