63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
"""Base classes for Axis entities."""
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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 homeassistant.helpers.entity import DeviceInfo, Entity
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from .const import DOMAIN as AXIS_DOMAIN
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class AxisEntityBase(Entity):
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"""Base common to all Axis entities."""
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def __init__(self, device):
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"""Initialize the Axis event."""
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self.device = device
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self._attr_device_info = DeviceInfo(
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identifiers={(AXIS_DOMAIN, device.unique_id)}
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)
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async def async_added_to_hass(self):
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"""Subscribe device events."""
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass, self.device.signal_reachable, self.update_callback
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)
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)
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@property
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def available(self):
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"""Return True if device is available."""
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return self.device.available
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@callback
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def update_callback(self, no_delay=None):
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"""Update the entities state."""
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self.async_write_ha_state()
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class AxisEventBase(AxisEntityBase):
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"""Base common to all Axis entities from event stream."""
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_attr_should_poll = False
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def __init__(self, event, device):
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"""Initialize the Axis event."""
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super().__init__(device)
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self.event = event
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self._attr_name = f"{device.name} {event.TYPE} {event.id}"
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self._attr_unique_id = f"{device.unique_id}-{event.topic}-{event.id}"
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self._attr_device_class = event.CLASS
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async def async_added_to_hass(self) -> None:
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"""Subscribe sensors events."""
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self.event.register_callback(self.update_callback)
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await super().async_added_to_hass()
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async def async_will_remove_from_hass(self) -> None:
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"""Disconnect device object when removed."""
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self.event.remove_callback(self.update_callback)
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