46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
"""Config flow for Raspberry Pi Power Supply Checker."""
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from __future__ import annotations
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from collections.abc import Awaitable
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from typing import Any
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from rpi_bad_power import new_under_voltage
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers.config_entry_flow import DiscoveryFlowHandler
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from .const import DOMAIN
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async def _async_supported(hass: HomeAssistant) -> bool:
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"""Return if the system supports under voltage detection."""
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under_voltage = await hass.async_add_executor_job(new_under_voltage)
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return under_voltage is not None
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class RPiPowerFlow(DiscoveryFlowHandler[Awaitable[bool]], domain=DOMAIN):
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"""Discovery flow handler."""
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VERSION = 1
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def __init__(self) -> None:
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"""Set up config flow."""
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super().__init__(
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DOMAIN,
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"Raspberry Pi Power Supply Checker",
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_async_supported,
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)
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async def async_step_onboarding(
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self, data: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle a flow initialized by onboarding."""
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if self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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has_devices = await self._discovery_function(self.hass)
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if not has_devices:
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return self.async_abort(reason="no_devices_found")
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return self.async_create_entry(title=self._title, data={})
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