mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
"""Config flow for SiteSage Emonitor integration."""
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import logging
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from aioemonitor import Emonitor
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import aiohttp
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import voluptuous as vol
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from homeassistant import config_entries, core
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from homeassistant.components import dhcp
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from homeassistant.const import CONF_HOST, CONF_NAME
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers import aiohttp_client
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from homeassistant.helpers.device_registry import format_mac
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from . import name_short_mac
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def fetch_mac_and_title(hass: core.HomeAssistant, host):
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"""Validate the user input allows us to connect."""
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session = aiohttp_client.async_get_clientsession(hass)
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emonitor = Emonitor(host, session)
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status = await emonitor.async_get_status()
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mac_address = status.network.mac_address
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return {"title": name_short_mac(mac_address[-6:]), "mac_address": mac_address}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for SiteSage Emonitor."""
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VERSION = 1
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def __init__(self):
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"""Initialize Emonitor ConfigFlow."""
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self.discovered_ip = None
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self.discovered_info = None
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async def async_step_user(self, user_input=None):
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"""Handle the initial step."""
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errors = {}
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if user_input is not None:
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try:
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info = await fetch_mac_and_title(self.hass, user_input[CONF_HOST])
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except aiohttp.ClientError:
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errors[CONF_HOST] = "cannot_connect"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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else:
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await self.async_set_unique_id(
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format_mac(info["mac_address"]), raise_on_progress=False
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)
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self._abort_if_unique_id_configured()
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return self.async_create_entry(title=info["title"], data=user_input)
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema(
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{vol.Required("host", default=self.discovered_ip): str}
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),
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errors=errors,
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)
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async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
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"""Handle dhcp discovery."""
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self.discovered_ip = discovery_info.ip
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await self.async_set_unique_id(format_mac(discovery_info.macaddress))
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self._abort_if_unique_id_configured(updates={CONF_HOST: self.discovered_ip})
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name = name_short_mac(short_mac(discovery_info.macaddress))
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self.context["title_placeholders"] = {"name": name}
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try:
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self.discovered_info = await fetch_mac_and_title(
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self.hass, self.discovered_ip
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)
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except Exception as ex: # pylint: disable=broad-except
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_LOGGER.debug(
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"Unable to fetch status, falling back to manual entry", exc_info=ex
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)
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return await self.async_step_user()
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return await self.async_step_confirm()
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async def async_step_confirm(self, user_input=None):
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"""Attempt to confirm."""
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if user_input is not None:
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return self.async_create_entry(
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title=self.discovered_info["title"],
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data={CONF_HOST: self.discovered_ip},
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)
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self._set_confirm_only()
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self.context["title_placeholders"] = {"name": self.discovered_info["title"]}
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return self.async_show_form(
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step_id="confirm",
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description_placeholders={
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CONF_HOST: self.discovered_ip,
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CONF_NAME: self.discovered_info["title"],
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},
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)
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def short_mac(mac):
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"""Short version of the mac."""
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return "".join(mac.split(":")[3:]).upper()
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