74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
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"""Support for Home Assistant Cloud binary sensors."""
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from .const import DISPATCHER_REMOTE_UPDATE, DOMAIN
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DEPENDENCIES = ['cloud']
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async def async_setup_platform(
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hass, config, async_add_entities, discovery_info=None):
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"""Set up the cloud binary sensors."""
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if discovery_info is None:
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return
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cloud = hass.data[DOMAIN]
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async_add_entities([CloudRemoteBinary(cloud)])
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class CloudRemoteBinary(BinarySensorDevice):
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"""Representation of an Cloud Remote UI Connection binary sensor."""
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def __init__(self, cloud):
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"""Initialize the binary sensor."""
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self.cloud = cloud
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self._unsub_dispatcher = None
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@property
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def name(self) -> str:
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"""Return the name of the binary sensor, if any."""
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return "Remote UI"
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@property
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def unique_id(self) -> str:
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"""Return a unique ID."""
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return "cloud-remote-ui-connectivity"
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@property
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def is_on(self) -> bool:
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"""Return true if the binary sensor is on."""
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return self.cloud.remote.is_connected
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@property
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def device_class(self) -> str:
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"""Return the class of this device, from component DEVICE_CLASSES."""
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return 'connectivity'
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self.cloud.remote.certificate is not None
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@property
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def should_poll(self) -> bool:
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"""Return True if entity has to be polled for state."""
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return False
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async def async_added_to_hass(self):
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"""Register update dispatcher."""
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@callback
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def async_state_update(data):
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"""Update callback."""
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self.async_write_ha_state()
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self._unsub_dispatcher = async_dispatcher_connect(
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self.hass, DISPATCHER_REMOTE_UPDATE, async_state_update)
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async def async_will_remove_from_hass(self):
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"""Register update dispatcher."""
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if self._unsub_dispatcher is not None:
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self._unsub_dispatcher()
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self._unsub_dispatcher = None
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