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64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
"""Helper functions for the Home Assistant Labs integration."""
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from __future__ import annotations
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from collections.abc import Callable
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from homeassistant.const import EVENT_LABS_UPDATED
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from homeassistant.core import Event, HomeAssistant, callback
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from .const import LABS_DATA
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from .models import EventLabsUpdatedData
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@callback
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def async_is_preview_feature_enabled(
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hass: HomeAssistant, domain: str, preview_feature: str
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) -> bool:
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"""Check if a lab preview feature is enabled.
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Args:
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hass: HomeAssistant instance
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domain: Integration domain
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preview_feature: Preview feature name
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Returns:
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True if the preview feature is enabled, False otherwise
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"""
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if LABS_DATA not in hass.data:
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return False
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labs_data = hass.data[LABS_DATA]
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return (domain, preview_feature) in labs_data.data.preview_feature_status
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@callback
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def async_listen(
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hass: HomeAssistant,
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domain: str,
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preview_feature: str,
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listener: Callable[[], None],
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) -> Callable[[], None]:
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"""Listen for changes to a specific preview feature.
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Args:
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hass: HomeAssistant instance
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domain: Integration domain
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preview_feature: Preview feature name
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listener: Callback to invoke when the preview feature is toggled
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Returns:
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Callable to unsubscribe from the listener
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"""
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@callback
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def _async_feature_updated(event: Event[EventLabsUpdatedData]) -> None:
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"""Handle labs feature update event."""
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if (
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event.data["domain"] == domain
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and event.data["preview_feature"] == preview_feature
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):
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listener()
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return hass.bus.async_listen(EVENT_LABS_UPDATED, _async_feature_updated)
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