mirror of https://github.com/home-assistant/core
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
"""StarLine base entity."""
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from typing import Callable, Optional
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from homeassistant.helpers.entity import Entity
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from .account import StarlineAccount, StarlineDevice
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class StarlineEntity(Entity):
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"""StarLine base entity class."""
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def __init__(
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self, account: StarlineAccount, device: StarlineDevice, key: str, name: str
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):
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"""Constructor."""
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self._account = account
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self._device = device
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self._key = key
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self._name = name
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self._unsubscribe_api: Optional[Callable] = None
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._account.api.available
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@property
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def unique_id(self):
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"""Return the unique ID of the entity."""
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return f"starline-{self._key}-{self._device.device_id}"
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@property
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def name(self):
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"""Return the name of the entity."""
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return f"{self._device.name} {self._name}"
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@property
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def device_info(self):
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"""Return the device info."""
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return self._account.device_info(self._device)
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def update(self):
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"""Read new state data."""
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self.schedule_update_ha_state()
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async def async_added_to_hass(self):
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"""Call when entity about to be added to Home Assistant."""
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await super().async_added_to_hass()
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self._unsubscribe_api = self._account.api.add_update_listener(self.update)
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async def async_will_remove_from_hass(self):
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"""Call when entity is being removed from Home Assistant."""
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await super().async_will_remove_from_hass()
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if self._unsubscribe_api is not None:
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self._unsubscribe_api()
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self._unsubscribe_api = None
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