534 lines
20 KiB
Python
534 lines
20 KiB
Python
"""Config flow for KNX."""
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from __future__ import annotations
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from typing import Any, Final
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import voluptuous as vol
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from xknx import XKNX
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from xknx.exceptions.exception import InvalidSignature
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from xknx.io import DEFAULT_MCAST_GRP, DEFAULT_MCAST_PORT
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from xknx.io.gateway_scanner import GatewayDescriptor, GatewayScanner
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from xknx.secure import load_key_ring
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from homeassistant import config_entries
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from homeassistant.config_entries import ConfigEntry, OptionsFlow
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from homeassistant.const import CONF_HOST, CONF_PORT
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from homeassistant.core import callback
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers import selector
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from homeassistant.helpers.storage import STORAGE_DIR
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from .const import (
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CONF_KNX_AUTOMATIC,
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CONF_KNX_CONNECTION_TYPE,
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CONF_KNX_DEFAULT_RATE_LIMIT,
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CONF_KNX_DEFAULT_STATE_UPDATER,
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CONF_KNX_INDIVIDUAL_ADDRESS,
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CONF_KNX_INITIAL_CONNECTION_TYPES,
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CONF_KNX_KNXKEY_FILENAME,
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CONF_KNX_KNXKEY_PASSWORD,
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CONF_KNX_LOCAL_IP,
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CONF_KNX_MCAST_GRP,
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CONF_KNX_MCAST_PORT,
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CONF_KNX_RATE_LIMIT,
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CONF_KNX_ROUTE_BACK,
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CONF_KNX_ROUTING,
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CONF_KNX_SECURE_DEVICE_AUTHENTICATION,
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CONF_KNX_SECURE_USER_ID,
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CONF_KNX_SECURE_USER_PASSWORD,
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CONF_KNX_STATE_UPDATER,
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CONF_KNX_TUNNELING,
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CONF_KNX_TUNNELING_TCP,
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CONF_KNX_TUNNELING_TCP_SECURE,
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CONST_KNX_STORAGE_KEY,
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DOMAIN,
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KNXConfigEntryData,
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)
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CONF_KNX_GATEWAY: Final = "gateway"
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CONF_MAX_RATE_LIMIT: Final = 60
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CONF_DEFAULT_LOCAL_IP: Final = "0.0.0.0"
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DEFAULT_ENTRY_DATA: KNXConfigEntryData = {
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CONF_KNX_STATE_UPDATER: CONF_KNX_DEFAULT_STATE_UPDATER,
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CONF_KNX_RATE_LIMIT: CONF_KNX_DEFAULT_RATE_LIMIT,
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CONF_KNX_INDIVIDUAL_ADDRESS: XKNX.DEFAULT_ADDRESS,
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CONF_KNX_MCAST_GRP: DEFAULT_MCAST_GRP,
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CONF_KNX_MCAST_PORT: DEFAULT_MCAST_PORT,
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}
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CONF_KNX_TUNNELING_TYPE: Final = "tunneling_type"
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CONF_KNX_LABEL_TUNNELING_TCP: Final = "TCP"
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CONF_KNX_LABEL_TUNNELING_TCP_SECURE: Final = "TCP with IP Secure"
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CONF_KNX_LABEL_TUNNELING_UDP: Final = "UDP"
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CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK: Final = "UDP with route back / NAT mode"
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_IA_SELECTOR = selector.selector({"text": {}})
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_IP_SELECTOR = selector.selector({"text": {}})
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_PORT_SELECTOR = selector.selector({"number": {"min": 1, "max": 65535, "mode": "box"}})
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class FlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a KNX config flow."""
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VERSION = 1
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_found_tunnels: list[GatewayDescriptor]
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_selected_tunnel: GatewayDescriptor | None
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_tunneling_config: KNXConfigEntryData | None
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@staticmethod
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@callback
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def async_get_options_flow(config_entry: ConfigEntry) -> KNXOptionsFlowHandler:
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"""Get the options flow for this handler."""
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return KNXOptionsFlowHandler(config_entry)
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async def async_step_user(self, user_input: dict | None = None) -> FlowResult:
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"""Handle a flow initialized by the user."""
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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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self._found_tunnels = []
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self._selected_tunnel = None
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self._tunneling_config = None
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return await self.async_step_type()
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async def async_step_type(self, user_input: dict | None = None) -> FlowResult:
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"""Handle connection type configuration."""
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if user_input is not None:
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connection_type = user_input[CONF_KNX_CONNECTION_TYPE]
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if connection_type == CONF_KNX_AUTOMATIC:
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entry_data: KNXConfigEntryData = {
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**DEFAULT_ENTRY_DATA, # type: ignore[misc]
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CONF_KNX_CONNECTION_TYPE: user_input[CONF_KNX_CONNECTION_TYPE],
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}
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return self.async_create_entry(
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title=CONF_KNX_AUTOMATIC.capitalize(),
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data=entry_data,
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)
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if connection_type == CONF_KNX_ROUTING:
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return await self.async_step_routing()
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if connection_type == CONF_KNX_TUNNELING and self._found_tunnels:
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return await self.async_step_tunnel()
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return await self.async_step_manual_tunnel()
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errors: dict = {}
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supported_connection_types = CONF_KNX_INITIAL_CONNECTION_TYPES.copy()
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gateways = await scan_for_gateways()
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if gateways:
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# add automatic only if a gateway responded
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supported_connection_types.insert(0, CONF_KNX_AUTOMATIC)
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self._found_tunnels = [
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gateway for gateway in gateways if gateway.supports_tunnelling
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]
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fields = {
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vol.Required(CONF_KNX_CONNECTION_TYPE): vol.In(supported_connection_types)
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}
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return self.async_show_form(
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step_id="type", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_tunnel(self, user_input: dict | None = None) -> FlowResult:
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"""Select a tunnel from a list. Will be skipped if the gateway scan was unsuccessful or if only one gateway was found."""
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if user_input is not None:
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self._selected_tunnel = next(
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tunnel
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for tunnel in self._found_tunnels
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if user_input[CONF_KNX_GATEWAY] == str(tunnel)
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)
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return await self.async_step_manual_tunnel()
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# skip this step if the user has only one unique gateway.
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if len(self._found_tunnels) == 1:
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self._selected_tunnel = self._found_tunnels[0]
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return await self.async_step_manual_tunnel()
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errors: dict = {}
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tunnels_repr = {str(tunnel) for tunnel in self._found_tunnels}
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fields = {vol.Required(CONF_KNX_GATEWAY): vol.In(tunnels_repr)}
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return self.async_show_form(
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step_id="tunnel", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_manual_tunnel(
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self, user_input: dict | None = None
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) -> FlowResult:
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"""Manually configure tunnel connection parameters. Fields default to preselected gateway if one was found."""
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if user_input is not None:
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connection_type = user_input[CONF_KNX_TUNNELING_TYPE]
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entry_data: KNXConfigEntryData = {
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**DEFAULT_ENTRY_DATA, # type: ignore[misc]
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CONF_HOST: user_input[CONF_HOST],
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CONF_PORT: user_input[CONF_PORT],
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CONF_KNX_ROUTE_BACK: (
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connection_type == CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK
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),
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CONF_KNX_LOCAL_IP: user_input.get(CONF_KNX_LOCAL_IP),
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CONF_KNX_CONNECTION_TYPE: (
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CONF_KNX_TUNNELING_TCP
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if connection_type == CONF_KNX_LABEL_TUNNELING_TCP
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else CONF_KNX_TUNNELING
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),
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}
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if connection_type == CONF_KNX_LABEL_TUNNELING_TCP_SECURE:
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self._tunneling_config = entry_data
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return self.async_show_menu(
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step_id="secure_tunneling",
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menu_options=["secure_knxkeys", "secure_manual"],
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)
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return self.async_create_entry(
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title=f"{CONF_KNX_TUNNELING.capitalize()} @ {user_input[CONF_HOST]}",
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data=entry_data,
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)
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errors: dict = {}
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connection_methods: list[str] = [
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CONF_KNX_LABEL_TUNNELING_TCP,
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CONF_KNX_LABEL_TUNNELING_UDP,
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CONF_KNX_LABEL_TUNNELING_TCP_SECURE,
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CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK,
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]
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ip_address = ""
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port = DEFAULT_MCAST_PORT
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if self._selected_tunnel is not None:
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ip_address = self._selected_tunnel.ip_addr
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port = self._selected_tunnel.port
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if not self._selected_tunnel.supports_tunnelling_tcp:
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connection_methods.remove(CONF_KNX_LABEL_TUNNELING_TCP)
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connection_methods.remove(CONF_KNX_LABEL_TUNNELING_TCP_SECURE)
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fields = {
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vol.Required(CONF_KNX_TUNNELING_TYPE): vol.In(connection_methods),
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vol.Required(CONF_HOST, default=ip_address): _IP_SELECTOR,
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vol.Required(CONF_PORT, default=port): _PORT_SELECTOR,
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}
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if self.show_advanced_options:
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fields[vol.Optional(CONF_KNX_LOCAL_IP)] = _IP_SELECTOR
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return self.async_show_form(
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step_id="manual_tunnel", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_secure_manual(
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self, user_input: dict | None = None
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) -> FlowResult:
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"""Configure ip secure manually."""
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errors: dict = {}
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if user_input is not None:
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assert self._tunneling_config
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entry_data: KNXConfigEntryData = {
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**self._tunneling_config, # type: ignore[misc]
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CONF_KNX_SECURE_USER_ID: user_input[CONF_KNX_SECURE_USER_ID],
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CONF_KNX_SECURE_USER_PASSWORD: user_input[
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CONF_KNX_SECURE_USER_PASSWORD
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],
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CONF_KNX_SECURE_DEVICE_AUTHENTICATION: user_input[
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CONF_KNX_SECURE_DEVICE_AUTHENTICATION
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],
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CONF_KNX_CONNECTION_TYPE: CONF_KNX_TUNNELING_TCP_SECURE,
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}
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return self.async_create_entry(
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title=f"Secure {CONF_KNX_TUNNELING.capitalize()} @ {self._tunneling_config[CONF_HOST]}",
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data=entry_data,
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)
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fields = {
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vol.Required(CONF_KNX_SECURE_USER_ID, default=2): selector.selector(
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{"number": {"min": 1, "max": 127, "mode": "box"}}
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),
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vol.Required(CONF_KNX_SECURE_USER_PASSWORD): selector.selector(
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{"text": {"type": "password"}}
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),
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vol.Required(CONF_KNX_SECURE_DEVICE_AUTHENTICATION): selector.selector(
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{"text": {"type": "password"}}
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),
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}
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return self.async_show_form(
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step_id="secure_manual", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_secure_knxkeys(
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self, user_input: dict | None = None
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) -> FlowResult:
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"""Configure secure knxkeys used to authenticate."""
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errors = {}
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if user_input is not None:
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try:
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assert self._tunneling_config
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storage_key: str = (
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CONST_KNX_STORAGE_KEY + user_input[CONF_KNX_KNXKEY_FILENAME]
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)
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load_key_ring(
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self.hass.config.path(
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STORAGE_DIR,
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storage_key,
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),
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user_input[CONF_KNX_KNXKEY_PASSWORD],
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)
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entry_data: KNXConfigEntryData = {
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**self._tunneling_config, # type: ignore[misc]
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CONF_KNX_KNXKEY_FILENAME: storage_key,
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CONF_KNX_KNXKEY_PASSWORD: user_input[CONF_KNX_KNXKEY_PASSWORD],
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CONF_KNX_CONNECTION_TYPE: CONF_KNX_TUNNELING_TCP_SECURE,
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}
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return self.async_create_entry(
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title=f"Secure {CONF_KNX_TUNNELING.capitalize()} @ {self._tunneling_config[CONF_HOST]}",
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data=entry_data,
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)
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except InvalidSignature:
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errors["base"] = "invalid_signature"
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except FileNotFoundError:
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errors["base"] = "file_not_found"
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fields = {
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vol.Required(CONF_KNX_KNXKEY_FILENAME): selector.selector({"text": {}}),
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vol.Required(CONF_KNX_KNXKEY_PASSWORD): selector.selector({"text": {}}),
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}
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return self.async_show_form(
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step_id="secure_knxkeys", data_schema=vol.Schema(fields), errors=errors
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)
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async def async_step_routing(self, user_input: dict | None = None) -> FlowResult:
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"""Routing setup."""
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if user_input is not None:
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return self.async_create_entry(
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title=CONF_KNX_ROUTING.capitalize(),
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data={
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**DEFAULT_ENTRY_DATA,
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CONF_KNX_MCAST_GRP: user_input[CONF_KNX_MCAST_GRP],
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CONF_KNX_MCAST_PORT: user_input[CONF_KNX_MCAST_PORT],
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CONF_KNX_INDIVIDUAL_ADDRESS: user_input[
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CONF_KNX_INDIVIDUAL_ADDRESS
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],
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CONF_KNX_LOCAL_IP: user_input.get(CONF_KNX_LOCAL_IP),
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CONF_KNX_CONNECTION_TYPE: CONF_KNX_ROUTING,
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},
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)
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errors: dict = {}
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fields = {
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vol.Required(
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CONF_KNX_INDIVIDUAL_ADDRESS, default=XKNX.DEFAULT_ADDRESS
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): _IA_SELECTOR,
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vol.Required(CONF_KNX_MCAST_GRP, default=DEFAULT_MCAST_GRP): _IP_SELECTOR,
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vol.Required(
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CONF_KNX_MCAST_PORT, default=DEFAULT_MCAST_PORT
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): _PORT_SELECTOR,
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}
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if self.show_advanced_options:
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fields[vol.Optional(CONF_KNX_LOCAL_IP)] = _IP_SELECTOR
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return self.async_show_form(
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step_id="routing", data_schema=vol.Schema(fields), errors=errors
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)
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class KNXOptionsFlowHandler(OptionsFlow):
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"""Handle KNX options."""
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general_settings: dict
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current_config: dict
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def __init__(self, config_entry: ConfigEntry) -> None:
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"""Initialize KNX options flow."""
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self.config_entry = config_entry
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async def async_step_init(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Manage KNX options."""
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if user_input is not None:
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self.general_settings = user_input
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return await self.async_step_tunnel()
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supported_connection_types = [
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CONF_KNX_AUTOMATIC,
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CONF_KNX_TUNNELING,
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CONF_KNX_ROUTING,
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]
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self.current_config = self.config_entry.data # type: ignore[assignment]
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data_schema = {
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vol.Required(
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CONF_KNX_CONNECTION_TYPE,
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default=(
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CONF_KNX_TUNNELING
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if self.current_config.get(CONF_KNX_CONNECTION_TYPE)
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== CONF_KNX_TUNNELING_TCP
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else self.current_config.get(CONF_KNX_CONNECTION_TYPE)
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),
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): vol.In(supported_connection_types),
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vol.Required(
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CONF_KNX_INDIVIDUAL_ADDRESS,
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default=self.current_config[CONF_KNX_INDIVIDUAL_ADDRESS],
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): selector.selector({"text": {}}),
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vol.Required(
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CONF_KNX_MCAST_GRP,
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default=self.current_config.get(CONF_KNX_MCAST_GRP, DEFAULT_MCAST_GRP),
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): _IP_SELECTOR,
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vol.Required(
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CONF_KNX_MCAST_PORT,
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default=self.current_config.get(
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CONF_KNX_MCAST_PORT, DEFAULT_MCAST_PORT
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),
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): _PORT_SELECTOR,
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}
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if self.show_advanced_options:
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local_ip = (
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self.current_config.get(CONF_KNX_LOCAL_IP)
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if self.current_config.get(CONF_KNX_LOCAL_IP) is not None
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else CONF_DEFAULT_LOCAL_IP
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)
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data_schema[
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vol.Required(
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CONF_KNX_LOCAL_IP,
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default=local_ip,
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)
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] = _IP_SELECTOR
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data_schema[
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vol.Required(
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CONF_KNX_STATE_UPDATER,
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default=self.current_config.get(
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CONF_KNX_STATE_UPDATER,
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CONF_KNX_DEFAULT_STATE_UPDATER,
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),
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)
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] = selector.selector({"boolean": {}})
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data_schema[
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vol.Required(
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CONF_KNX_RATE_LIMIT,
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default=self.current_config.get(
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CONF_KNX_RATE_LIMIT,
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CONF_KNX_DEFAULT_RATE_LIMIT,
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),
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)
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] = selector.selector(
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{
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"number": {
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"min": 1,
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"max": CONF_MAX_RATE_LIMIT,
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"mode": "box",
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}
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}
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)
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return self.async_show_form(
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step_id="init",
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data_schema=vol.Schema(data_schema),
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last_step=self.current_config.get(CONF_KNX_CONNECTION_TYPE)
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!= CONF_KNX_TUNNELING,
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)
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async def async_step_tunnel(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Manage KNX tunneling options."""
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if (
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self.general_settings.get(CONF_KNX_CONNECTION_TYPE) == CONF_KNX_TUNNELING
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and user_input is None
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):
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connection_methods: list[str] = [
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CONF_KNX_LABEL_TUNNELING_TCP,
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CONF_KNX_LABEL_TUNNELING_UDP,
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CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK,
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]
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return self.async_show_form(
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step_id="tunnel",
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data_schema=vol.Schema(
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{
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vol.Required(
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CONF_KNX_TUNNELING_TYPE,
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default=get_knx_tunneling_type(self.current_config),
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): vol.In(connection_methods),
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vol.Required(
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CONF_HOST, default=self.current_config.get(CONF_HOST)
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): _IP_SELECTOR,
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vol.Required(
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CONF_PORT, default=self.current_config.get(CONF_PORT, 3671)
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): _PORT_SELECTOR,
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}
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),
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last_step=True,
|
|
)
|
|
|
|
entry_data = {
|
|
**DEFAULT_ENTRY_DATA,
|
|
**self.general_settings,
|
|
CONF_KNX_LOCAL_IP: self.general_settings.get(CONF_KNX_LOCAL_IP)
|
|
if self.general_settings.get(CONF_KNX_LOCAL_IP) != CONF_DEFAULT_LOCAL_IP
|
|
else None,
|
|
CONF_HOST: self.current_config.get(CONF_HOST, ""),
|
|
}
|
|
|
|
if user_input is not None:
|
|
connection_type = user_input[CONF_KNX_TUNNELING_TYPE]
|
|
entry_data = {
|
|
**entry_data,
|
|
CONF_HOST: user_input[CONF_HOST],
|
|
CONF_PORT: user_input[CONF_PORT],
|
|
CONF_KNX_ROUTE_BACK: (
|
|
connection_type == CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK
|
|
),
|
|
CONF_KNX_CONNECTION_TYPE: (
|
|
CONF_KNX_TUNNELING_TCP
|
|
if connection_type == CONF_KNX_LABEL_TUNNELING_TCP
|
|
else CONF_KNX_TUNNELING
|
|
),
|
|
}
|
|
|
|
entry_title = str(entry_data[CONF_KNX_CONNECTION_TYPE]).capitalize()
|
|
if entry_data[CONF_KNX_CONNECTION_TYPE] == CONF_KNX_TUNNELING:
|
|
entry_title = f"{CONF_KNX_TUNNELING.capitalize()} @ {entry_data[CONF_HOST]}"
|
|
if entry_data[CONF_KNX_CONNECTION_TYPE] == CONF_KNX_TUNNELING_TCP:
|
|
entry_title = (
|
|
f"{CONF_KNX_TUNNELING.capitalize()} (TCP) @ {entry_data[CONF_HOST]}"
|
|
)
|
|
|
|
self.hass.config_entries.async_update_entry(
|
|
self.config_entry,
|
|
data=entry_data,
|
|
title=entry_title,
|
|
)
|
|
|
|
return self.async_create_entry(title="", data={})
|
|
|
|
|
|
def get_knx_tunneling_type(config_entry_data: dict) -> str:
|
|
"""Obtain the knx tunneling type based on the data in the config entry data."""
|
|
connection_type = config_entry_data[CONF_KNX_CONNECTION_TYPE]
|
|
route_back = config_entry_data.get(CONF_KNX_ROUTE_BACK, False)
|
|
if route_back and connection_type == CONF_KNX_TUNNELING:
|
|
return CONF_KNX_LABEL_TUNNELING_UDP_ROUTE_BACK
|
|
if connection_type == CONF_KNX_TUNNELING_TCP:
|
|
return CONF_KNX_LABEL_TUNNELING_TCP
|
|
|
|
return CONF_KNX_LABEL_TUNNELING_UDP
|
|
|
|
|
|
async def scan_for_gateways(stop_on_found: int = 0) -> list[GatewayDescriptor]:
|
|
"""Scan for gateways within the network."""
|
|
xknx = XKNX()
|
|
gatewayscanner = GatewayScanner(
|
|
xknx, stop_on_found=stop_on_found, timeout_in_seconds=2
|
|
)
|
|
return await gatewayscanner.scan()
|