62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
"""Helper functions for Samsung TV."""
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from __future__ import annotations
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers import device_registry as dr, entity_registry as er
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from homeassistant.helpers.device_registry import DeviceEntry
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from .bridge import SamsungTVBridge
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from .const import DOMAIN
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@callback
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def async_get_device_entry_by_device_id(
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hass: HomeAssistant, device_id: str
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) -> DeviceEntry:
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"""Get Device Entry from Device Registry by device ID.
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Raises ValueError if device ID is invalid.
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"""
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device_reg = dr.async_get(hass)
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if (device := device_reg.async_get(device_id)) is None:
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raise ValueError(f"Device {device_id} is not a valid {DOMAIN} device.")
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return device
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@callback
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def async_get_device_id_from_entity_id(hass: HomeAssistant, entity_id: str) -> str:
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"""Get device ID from an entity ID.
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Raises ValueError if entity or device ID is invalid.
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"""
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ent_reg = er.async_get(hass)
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entity_entry = ent_reg.async_get(entity_id)
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if (
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entity_entry is None
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or entity_entry.device_id is None
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or entity_entry.platform != DOMAIN
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):
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raise ValueError(f"Entity {entity_id} is not a valid {DOMAIN} entity.")
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return entity_entry.device_id
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@callback
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def async_get_client_by_device_entry(
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hass: HomeAssistant, device: DeviceEntry
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) -> SamsungTVBridge:
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"""Get SamsungTVBridge from Device Registry by device entry.
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Raises ValueError if client is not found.
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"""
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domain_data: dict[str, SamsungTVBridge] = hass.data[DOMAIN]
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for config_entry_id in device.config_entries:
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if bridge := domain_data.get(config_entry_id):
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return bridge
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raise ValueError(
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f"Device {device.id} is not from an existing {DOMAIN} config entry"
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)
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