mirror of https://github.com/home-assistant/core
136 lines
4.4 KiB
Python
136 lines
4.4 KiB
Python
"""Config flow for Elexa Guardian integration."""
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from __future__ import annotations
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from typing import Any
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from aioguardian import Client
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from aioguardian.errors import GuardianError
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import voluptuous as vol
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from homeassistant.components import dhcp, zeroconf
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from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
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from homeassistant.const import CONF_IP_ADDRESS, CONF_PORT
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from homeassistant.core import HomeAssistant, callback
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from .const import CONF_UID, DOMAIN, LOGGER
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DEFAULT_PORT = 7777
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DATA_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_IP_ADDRESS): str,
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vol.Required(CONF_PORT, default=DEFAULT_PORT): int,
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}
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)
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UNIQUE_ID = "guardian_{0}"
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@callback
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def async_get_pin_from_discovery_hostname(hostname: str) -> str:
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"""Get the device's 4-digit PIN from its zeroconf-discovered hostname."""
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return hostname.split(".")[0].split("-")[1]
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@callback
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def async_get_pin_from_uid(uid: str) -> str:
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"""Get the device's 4-digit PIN from its UID."""
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return uid[-4:]
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async def validate_input(hass: HomeAssistant, data: dict[str, Any]) -> dict[str, Any]:
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"""Validate the user input allows us to connect.
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Data has the keys from DATA_SCHEMA with values provided by the user.
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"""
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async with Client(data[CONF_IP_ADDRESS]) as client:
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ping_data = await client.system.ping()
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return {
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CONF_UID: ping_data["data"]["uid"],
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}
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class GuardianConfigFlow(ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Elexa Guardian."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize."""
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self.discovery_info: dict[str, Any] = {}
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async def _async_set_unique_id(self, pin: str) -> None:
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"""Set the config entry's unique ID (based on the device's 4-digit PIN)."""
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await self.async_set_unique_id(UNIQUE_ID.format(pin))
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if self.discovery_info:
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self._abort_if_unique_id_configured(
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updates={CONF_IP_ADDRESS: self.discovery_info[CONF_IP_ADDRESS]}
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)
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self._async_abort_entries_match(
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{CONF_IP_ADDRESS: self.discovery_info[CONF_IP_ADDRESS]}
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)
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else:
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self._abort_if_unique_id_configured()
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> ConfigFlowResult:
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"""Handle configuration via the UI."""
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if user_input is None:
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return self.async_show_form(
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step_id="user", data_schema=DATA_SCHEMA, errors={}
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)
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try:
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info = await validate_input(self.hass, user_input)
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except GuardianError as err:
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LOGGER.error("Error while connecting to unit: %s", err)
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return self.async_show_form(
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step_id="user",
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data_schema=DATA_SCHEMA,
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errors={CONF_IP_ADDRESS: "cannot_connect"},
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)
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pin = async_get_pin_from_uid(info[CONF_UID])
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await self._async_set_unique_id(pin)
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return self.async_create_entry(
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title=info[CONF_UID], data={CONF_UID: info["uid"], **user_input}
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)
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async def async_step_dhcp(
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self, discovery_info: dhcp.DhcpServiceInfo
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) -> ConfigFlowResult:
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"""Handle the configuration via dhcp."""
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self.discovery_info = {
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CONF_IP_ADDRESS: discovery_info.ip,
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CONF_PORT: DEFAULT_PORT,
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}
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await self._async_set_unique_id(
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async_get_pin_from_uid(discovery_info.macaddress.replace(":", "").upper())
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)
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return await self.async_step_discovery_confirm()
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async def async_step_zeroconf(
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self, discovery_info: zeroconf.ZeroconfServiceInfo
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) -> ConfigFlowResult:
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"""Handle the configuration via zeroconf."""
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self.discovery_info = {
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CONF_IP_ADDRESS: discovery_info.host,
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CONF_PORT: discovery_info.port,
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}
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pin = async_get_pin_from_discovery_hostname(discovery_info.hostname)
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await self._async_set_unique_id(pin)
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return await self.async_step_discovery_confirm()
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async def async_step_discovery_confirm(
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self, user_input: dict[str, Any] | None = None
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) -> ConfigFlowResult:
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"""Finish the configuration via any discovery."""
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if user_input is None:
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self._set_confirm_only()
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return self.async_show_form(step_id="discovery_confirm")
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return await self.async_step_user(self.discovery_info)
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