59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
"""The Tesla Powerwall integration base entity."""
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from homeassistant.helpers.entity import Entity
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from .const import DOMAIN, MANUFACTURER, MODEL
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class PowerWallEntity(Entity):
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"""Base class for powerwall entities."""
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def __init__(
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self, coordinator, site_info, status, device_type, powerwalls_serial_numbers
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):
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"""Initialize the sensor."""
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super().__init__()
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self._coordinator = coordinator
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self._site_info = site_info
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self._device_type = device_type
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self._version = status.version
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# The serial numbers of the powerwalls are unique to every site
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self.base_unique_id = "_".join(powerwalls_serial_numbers)
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@property
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def device_info(self):
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"""Powerwall device info."""
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device_info = {
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"identifiers": {(DOMAIN, self.base_unique_id)},
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"name": self._site_info.site_name,
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"manufacturer": MANUFACTURER,
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}
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model = MODEL
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model += f" ({self._device_type.name})"
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device_info["model"] = model
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device_info["sw_version"] = self._version
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return device_info
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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._coordinator.last_update_success
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@property
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def should_poll(self):
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"""Return False, updates are controlled via coordinator."""
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return False
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async def async_update(self):
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"""Update the entity.
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Only used by the generic entity update service.
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"""
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await self._coordinator.async_request_refresh()
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async def async_added_to_hass(self):
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"""Subscribe to updates."""
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self.async_on_remove(
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self._coordinator.async_add_listener(self.async_write_ha_state)
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)
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