43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
"""
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Provides a binary sensor to track online status of a UPS.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.apcupsd/
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"""
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from homeassistant.components import apcupsd
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from homeassistant.components.binary_sensor import BinarySensorDevice
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DEPENDENCIES = [apcupsd.DOMAIN]
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DEFAULT_NAME = "UPS Online Status"
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Instantiate an OnlineStatus binary sensor entity."""
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add_entities((OnlineStatus(config, apcupsd.DATA),))
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class OnlineStatus(BinarySensorDevice):
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"""Binary sensor to represent UPS online status."""
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def __init__(self, config, data):
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self._config = config
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self._data = data
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self._state = None
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self.update()
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@property
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def name(self):
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""" The name of the UPS online status sensor. """
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return self._config.get("name", DEFAULT_NAME)
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@property
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def is_on(self):
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"""True if the UPS is online, else False."""
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return self._state == apcupsd.VALUE_ONLINE
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def update(self):
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"""
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Get the status report from APCUPSd (or cache) and set this entity's
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state.
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"""
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self._state = self._data.status[apcupsd.KEY_STATUS]
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