core/homeassistant/components/knx/config_flow.py

418 lines
15 KiB
Python

"""Config flow for KNX."""
from __future__ import annotations
from typing import Any, Final
import voluptuous as vol
from xknx import XKNX
from xknx.io import DEFAULT_MCAST_GRP, DEFAULT_MCAST_PORT
from xknx.io.gateway_scanner import GatewayDescriptor, GatewayScanner
from homeassistant import config_entries
from homeassistant.config_entries import ConfigEntry, OptionsFlow
from homeassistant.const import CONF_HOST, CONF_PORT
from homeassistant.core import callback
from homeassistant.data_entry_flow import FlowResult
import homeassistant.helpers.config_validation as cv
from .const import (
CONF_KNX_AUTOMATIC,
CONF_KNX_CONNECTION_TYPE,
CONF_KNX_INDIVIDUAL_ADDRESS,
CONF_KNX_INITIAL_CONNECTION_TYPES,
CONF_KNX_ROUTING,
CONF_KNX_TUNNELING,
DOMAIN,
)
from .schema import ConnectionSchema
CONF_KNX_GATEWAY: Final = "gateway"
CONF_MAX_RATE_LIMIT: Final = 60
DEFAULT_ENTRY_DATA: Final = {
ConnectionSchema.CONF_KNX_STATE_UPDATER: ConnectionSchema.CONF_KNX_DEFAULT_STATE_UPDATER,
ConnectionSchema.CONF_KNX_RATE_LIMIT: ConnectionSchema.CONF_KNX_DEFAULT_RATE_LIMIT,
CONF_KNX_INDIVIDUAL_ADDRESS: XKNX.DEFAULT_ADDRESS,
ConnectionSchema.CONF_KNX_MCAST_GRP: DEFAULT_MCAST_GRP,
ConnectionSchema.CONF_KNX_MCAST_PORT: DEFAULT_MCAST_PORT,
}
class FlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a KNX config flow."""
VERSION = 1
_tunnels: list
_gateway_ip: str = ""
_gateway_port: int = DEFAULT_MCAST_PORT
@staticmethod
@callback
def async_get_options_flow(config_entry: ConfigEntry) -> KNXOptionsFlowHandler:
"""Get the options flow for this handler."""
return KNXOptionsFlowHandler(config_entry)
async def async_step_user(self, user_input: dict | None = None) -> FlowResult:
"""Handle a flow initialized by the user."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
self._tunnels = []
return await self.async_step_type()
async def async_step_type(self, user_input: dict | None = None) -> FlowResult:
"""Handle connection type configuration."""
errors: dict = {}
supported_connection_types = CONF_KNX_INITIAL_CONNECTION_TYPES.copy()
fields = {}
if user_input is None:
gateways = await scan_for_gateways()
if gateways:
supported_connection_types.insert(0, CONF_KNX_AUTOMATIC)
self._tunnels = [
gateway for gateway in gateways if gateway.supports_tunnelling
]
fields = {
vol.Required(CONF_KNX_CONNECTION_TYPE): vol.In(
supported_connection_types
)
}
if user_input is not None:
connection_type = user_input[CONF_KNX_CONNECTION_TYPE]
if connection_type == CONF_KNX_AUTOMATIC:
return self.async_create_entry(
title=CONF_KNX_AUTOMATIC.capitalize(),
data={**DEFAULT_ENTRY_DATA, **user_input},
)
if connection_type == CONF_KNX_ROUTING:
return await self.async_step_routing()
if connection_type == CONF_KNX_TUNNELING and self._tunnels:
return await self.async_step_tunnel()
return await self.async_step_manual_tunnel()
return self.async_show_form(
step_id="type", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_manual_tunnel(
self, user_input: dict | None = None
) -> FlowResult:
"""General setup."""
errors: dict = {}
if user_input is not None:
return self.async_create_entry(
title=f"{CONF_KNX_TUNNELING.capitalize()} @ {user_input[CONF_HOST]}",
data={
**DEFAULT_ENTRY_DATA,
CONF_HOST: user_input[CONF_HOST],
CONF_PORT: user_input[CONF_PORT],
CONF_KNX_INDIVIDUAL_ADDRESS: user_input[
CONF_KNX_INDIVIDUAL_ADDRESS
],
ConnectionSchema.CONF_KNX_ROUTE_BACK: user_input[
ConnectionSchema.CONF_KNX_ROUTE_BACK
],
ConnectionSchema.CONF_KNX_LOCAL_IP: user_input.get(
ConnectionSchema.CONF_KNX_LOCAL_IP
),
CONF_KNX_CONNECTION_TYPE: CONF_KNX_TUNNELING,
},
)
fields = {
vol.Required(CONF_HOST, default=self._gateway_ip): str,
vol.Required(CONF_PORT, default=self._gateway_port): vol.Coerce(int),
vol.Required(
CONF_KNX_INDIVIDUAL_ADDRESS, default=XKNX.DEFAULT_ADDRESS
): str,
vol.Required(
ConnectionSchema.CONF_KNX_ROUTE_BACK, default=False
): vol.Coerce(bool),
vol.Optional(ConnectionSchema.CONF_KNX_LOCAL_IP): str,
}
return self.async_show_form(
step_id="manual_tunnel", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_tunnel(self, user_input: dict | None = None) -> FlowResult:
"""Select a tunnel from a list. Will be skipped if the gateway scan was unsuccessful or if only one gateway was found."""
errors: dict = {}
if user_input is not None:
gateway: GatewayDescriptor = next(
gateway
for gateway in self._tunnels
if user_input[CONF_KNX_GATEWAY] == str(gateway)
)
self._gateway_ip = gateway.ip_addr
self._gateway_port = gateway.port
return await self.async_step_manual_tunnel()
tunnel_repr = {
str(tunnel) for tunnel in self._tunnels if tunnel.supports_tunnelling
}
# skip this step if the user has only one unique gateway.
if len(tunnel_repr) == 1:
_gateway: GatewayDescriptor = self._tunnels[0]
self._gateway_ip = _gateway.ip_addr
self._gateway_port = _gateway.port
return await self.async_step_manual_tunnel()
fields = {vol.Required(CONF_KNX_GATEWAY): vol.In(tunnel_repr)}
return self.async_show_form(
step_id="tunnel", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_routing(self, user_input: dict | None = None) -> FlowResult:
"""Routing setup."""
errors: dict = {}
if user_input is not None:
return self.async_create_entry(
title=CONF_KNX_ROUTING.capitalize(),
data={
**DEFAULT_ENTRY_DATA,
ConnectionSchema.CONF_KNX_MCAST_GRP: user_input[
ConnectionSchema.CONF_KNX_MCAST_GRP
],
ConnectionSchema.CONF_KNX_MCAST_PORT: user_input[
ConnectionSchema.CONF_KNX_MCAST_PORT
],
CONF_KNX_INDIVIDUAL_ADDRESS: user_input[
CONF_KNX_INDIVIDUAL_ADDRESS
],
CONF_KNX_CONNECTION_TYPE: CONF_KNX_ROUTING,
},
)
fields = {
vol.Required(
CONF_KNX_INDIVIDUAL_ADDRESS, default=XKNX.DEFAULT_ADDRESS
): str,
vol.Required(
ConnectionSchema.CONF_KNX_MCAST_GRP, default=DEFAULT_MCAST_GRP
): str,
vol.Required(
ConnectionSchema.CONF_KNX_MCAST_PORT, default=DEFAULT_MCAST_PORT
): cv.port,
}
return self.async_show_form(
step_id="routing", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_import(self, config: dict | None = None) -> FlowResult:
"""Import a config entry.
Performs a one time import of the YAML configuration and creates a config entry based on it
if not already done before.
"""
if self._async_current_entries() or not config:
return self.async_abort(reason="single_instance_allowed")
data = {
ConnectionSchema.CONF_KNX_RATE_LIMIT: min(
config[ConnectionSchema.CONF_KNX_RATE_LIMIT], CONF_MAX_RATE_LIMIT
),
ConnectionSchema.CONF_KNX_STATE_UPDATER: config[
ConnectionSchema.CONF_KNX_STATE_UPDATER
],
ConnectionSchema.CONF_KNX_MCAST_GRP: config[
ConnectionSchema.CONF_KNX_MCAST_GRP
],
ConnectionSchema.CONF_KNX_MCAST_PORT: config[
ConnectionSchema.CONF_KNX_MCAST_PORT
],
CONF_KNX_INDIVIDUAL_ADDRESS: config[CONF_KNX_INDIVIDUAL_ADDRESS],
}
if CONF_KNX_TUNNELING in config:
return self.async_create_entry(
title=f"{CONF_KNX_TUNNELING.capitalize()} @ {config[CONF_KNX_TUNNELING][CONF_HOST]}",
data={
**DEFAULT_ENTRY_DATA,
CONF_HOST: config[CONF_KNX_TUNNELING][CONF_HOST],
CONF_PORT: config[CONF_KNX_TUNNELING][CONF_PORT],
ConnectionSchema.CONF_KNX_LOCAL_IP: config[CONF_KNX_TUNNELING].get(
ConnectionSchema.CONF_KNX_LOCAL_IP
),
ConnectionSchema.CONF_KNX_ROUTE_BACK: config[CONF_KNX_TUNNELING][
ConnectionSchema.CONF_KNX_ROUTE_BACK
],
CONF_KNX_CONNECTION_TYPE: CONF_KNX_TUNNELING,
**data,
},
)
if CONF_KNX_ROUTING in config:
return self.async_create_entry(
title=CONF_KNX_ROUTING.capitalize(),
data={
**DEFAULT_ENTRY_DATA,
CONF_KNX_CONNECTION_TYPE: CONF_KNX_ROUTING,
**data,
},
)
return self.async_create_entry(
title=CONF_KNX_AUTOMATIC.capitalize(),
data={
**DEFAULT_ENTRY_DATA,
CONF_KNX_CONNECTION_TYPE: CONF_KNX_AUTOMATIC,
**data,
},
)
class KNXOptionsFlowHandler(OptionsFlow):
"""Handle KNX options."""
general_settings: dict
current_config: dict
def __init__(self, config_entry: ConfigEntry) -> None:
"""Initialize KNX options flow."""
self.config_entry = config_entry
async def async_step_tunnel(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Manage KNX tunneling options."""
if (
self.general_settings.get(CONF_KNX_CONNECTION_TYPE) == CONF_KNX_TUNNELING
and user_input is None
):
return self.async_show_form(
step_id="tunnel",
data_schema=vol.Schema(
{
vol.Required(
CONF_HOST, default=self.current_config.get(CONF_HOST)
): str,
vol.Required(
CONF_PORT, default=self.current_config.get(CONF_PORT, 3671)
): cv.port,
vol.Optional(ConnectionSchema.CONF_KNX_LOCAL_IP): str,
vol.Required(
ConnectionSchema.CONF_KNX_ROUTE_BACK,
default=self.current_config.get(
ConnectionSchema.CONF_KNX_ROUTE_BACK, False
),
): vol.Coerce(bool),
}
),
last_step=True,
)
entry_data = {
**DEFAULT_ENTRY_DATA,
**self.general_settings,
CONF_HOST: self.current_config.get(CONF_HOST, ""),
}
if user_input is not None:
entry_data = {
**entry_data,
**user_input,
}
entry_title = 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]}"
self.hass.config_entries.async_update_entry(
self.config_entry,
data=entry_data,
title=entry_title,
)
return self.async_create_entry(title="", data={})
async def async_step_init(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Manage KNX options."""
if user_input is not None:
self.general_settings = user_input
return await self.async_step_tunnel()
supported_connection_types = [
CONF_KNX_AUTOMATIC,
CONF_KNX_TUNNELING,
CONF_KNX_ROUTING,
]
self.current_config = self.config_entry.data # type: ignore
data_schema = {
vol.Required(
CONF_KNX_CONNECTION_TYPE,
default=self.current_config.get(CONF_KNX_CONNECTION_TYPE),
): vol.In(supported_connection_types),
vol.Required(
CONF_KNX_INDIVIDUAL_ADDRESS,
default=self.current_config[CONF_KNX_INDIVIDUAL_ADDRESS],
): str,
vol.Required(
ConnectionSchema.CONF_KNX_MCAST_GRP,
default=self.current_config.get(
ConnectionSchema.CONF_KNX_MCAST_GRP, DEFAULT_MCAST_GRP
),
): str,
vol.Required(
ConnectionSchema.CONF_KNX_MCAST_PORT,
default=self.current_config.get(
ConnectionSchema.CONF_KNX_MCAST_PORT, DEFAULT_MCAST_PORT
),
): cv.port,
}
if self.show_advanced_options:
data_schema[
vol.Required(
ConnectionSchema.CONF_KNX_STATE_UPDATER,
default=self.current_config.get(
ConnectionSchema.CONF_KNX_STATE_UPDATER,
ConnectionSchema.CONF_KNX_DEFAULT_STATE_UPDATER,
),
)
] = bool
data_schema[
vol.Required(
ConnectionSchema.CONF_KNX_RATE_LIMIT,
default=self.current_config.get(
ConnectionSchema.CONF_KNX_RATE_LIMIT,
ConnectionSchema.CONF_KNX_DEFAULT_RATE_LIMIT,
),
)
] = vol.All(vol.Coerce(int), vol.Range(min=1, max=CONF_MAX_RATE_LIMIT))
return self.async_show_form(
step_id="init",
data_schema=vol.Schema(data_schema),
last_step=self.current_config.get(CONF_KNX_CONNECTION_TYPE)
!= CONF_KNX_TUNNELING,
)
async def scan_for_gateways(stop_on_found: int = 0) -> list:
"""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()