124 lines
4.6 KiB
Python
124 lines
4.6 KiB
Python
"""Config flow to configure the WLED integration."""
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from typing import Any, Dict, Optional
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import voluptuous as vol
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from wled import WLED, WLEDConnectionError
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from homeassistant.config_entries import (
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CONN_CLASS_LOCAL_POLL,
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SOURCE_ZEROCONF,
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ConfigFlow,
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)
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from homeassistant.const import CONF_HOST, CONF_MAC, CONF_NAME
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.typing import ConfigType
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from .const import DOMAIN # pylint: disable=unused-import
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class WLEDFlowHandler(ConfigFlow, domain=DOMAIN):
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"""Handle a WLED config flow."""
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VERSION = 1
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CONNECTION_CLASS = CONN_CLASS_LOCAL_POLL
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async def async_step_user(
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self, user_input: Optional[ConfigType] = None
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) -> Dict[str, Any]:
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"""Handle a flow initiated by the user."""
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return await self._handle_config_flow(user_input)
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async def async_step_zeroconf(
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self, user_input: Optional[ConfigType] = None
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) -> Dict[str, Any]:
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"""Handle zeroconf discovery."""
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if user_input is None:
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return self.async_abort(reason="cannot_connect")
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# Hostname is format: wled-livingroom.local.
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host = user_input["hostname"].rstrip(".")
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name, _ = host.rsplit(".")
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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self.context.update(
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{
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CONF_HOST: user_input["host"],
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CONF_NAME: name,
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CONF_MAC: user_input["properties"].get(CONF_MAC),
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"title_placeholders": {"name": name},
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}
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)
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# Prepare configuration flow
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return await self._handle_config_flow(user_input, True)
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async def async_step_zeroconf_confirm(
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self, user_input: ConfigType = None
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) -> Dict[str, Any]:
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"""Handle a flow initiated by zeroconf."""
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return await self._handle_config_flow(user_input)
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async def _handle_config_flow(
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self, user_input: Optional[ConfigType] = None, prepare: bool = False
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) -> Dict[str, Any]:
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"""Config flow handler for WLED."""
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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source = self.context.get("source")
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# Request user input, unless we are preparing discovery flow
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if user_input is None and not prepare:
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if source == SOURCE_ZEROCONF:
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return self._show_confirm_dialog()
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return self._show_setup_form()
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if source == SOURCE_ZEROCONF:
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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user_input[CONF_HOST] = self.context.get(CONF_HOST)
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user_input[CONF_MAC] = self.context.get(CONF_MAC)
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if user_input.get(CONF_MAC) is None or not prepare:
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session = async_get_clientsession(self.hass)
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wled = WLED(user_input[CONF_HOST], session=session)
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try:
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device = await wled.update()
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except WLEDConnectionError:
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if source == SOURCE_ZEROCONF:
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return self.async_abort(reason="cannot_connect")
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return self._show_setup_form({"base": "cannot_connect"})
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user_input[CONF_MAC] = device.info.mac_address
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# Check if already configured
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await self.async_set_unique_id(user_input[CONF_MAC])
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self._abort_if_unique_id_configured(updates={CONF_HOST: user_input[CONF_HOST]})
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title = user_input[CONF_HOST]
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if source == SOURCE_ZEROCONF:
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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title = self.context.get(CONF_NAME)
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if prepare:
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return await self.async_step_zeroconf_confirm()
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return self.async_create_entry(
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title=title,
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data={CONF_HOST: user_input[CONF_HOST], CONF_MAC: user_input[CONF_MAC]},
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)
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def _show_setup_form(self, errors: Optional[Dict] = None) -> Dict[str, Any]:
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"""Show the setup form to the user."""
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema({vol.Required(CONF_HOST): str}),
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errors=errors or {},
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)
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def _show_confirm_dialog(self, errors: Optional[Dict] = None) -> Dict[str, Any]:
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"""Show the confirm dialog to the user."""
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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name = self.context.get(CONF_NAME)
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return self.async_show_form(
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step_id="zeroconf_confirm",
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description_placeholders={"name": name},
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errors=errors or {},
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)
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