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balloob-travel
a0ef23097f
Co-authored-by: Paulus Schoutsen <balloob@gmail.com> Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
29 lines
941 B
Python
29 lines
941 B
Python
"""Utility helpers for the WiiM integration."""
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from __future__ import annotations
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from urllib.parse import urlparse
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.network import NoURLAvailableError, get_url
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class InvalidHomeAssistantURLError(HomeAssistantError):
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"""Error to indicate Home Assistant does not expose a usable URL."""
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def get_homeassistant_local_host(hass: HomeAssistant) -> str:
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"""Return the Home Assistant hostname that WiiM devices should use."""
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try:
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base_url = get_url(hass, prefer_external=False)
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except NoURLAvailableError as err:
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raise InvalidHomeAssistantURLError(
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"Failed to determine Home Assistant URL"
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) from err
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if local_host := urlparse(base_url).hostname:
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return local_host
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raise InvalidHomeAssistantURLError("Failed to determine Home Assistant URL")
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