home-assistant-core/homeassistant/data_entry_flow.py
Sid a5b609f081
Enable ruff TRY401 (#114395)
* Enable ruff TRY401

* fix tests
2024-03-29 07:20:36 +01:00

901 lines
31 KiB
Python

"""Classes to help gather user submissions."""
from __future__ import annotations
import abc
import asyncio
from collections.abc import Callable, Iterable, Mapping
from contextlib import suppress
import copy
from dataclasses import dataclass
from enum import StrEnum
from functools import partial
import logging
from types import MappingProxyType
from typing import Any, Generic, Required, TypedDict
from typing_extensions import TypeVar
import voluptuous as vol
from .core import HomeAssistant, callback
from .exceptions import HomeAssistantError
from .helpers.deprecation import (
DeprecatedConstantEnum,
all_with_deprecated_constants,
check_if_deprecated_constant,
dir_with_deprecated_constants,
)
from .helpers.frame import report
from .loader import async_suggest_report_issue
from .util import uuid as uuid_util
_LOGGER = logging.getLogger(__name__)
class FlowResultType(StrEnum):
"""Result type for a data entry flow."""
FORM = "form"
CREATE_ENTRY = "create_entry"
ABORT = "abort"
EXTERNAL_STEP = "external"
EXTERNAL_STEP_DONE = "external_done"
SHOW_PROGRESS = "progress"
SHOW_PROGRESS_DONE = "progress_done"
MENU = "menu"
# RESULT_TYPE_* is deprecated, to be removed in 2022.9
_DEPRECATED_RESULT_TYPE_FORM = DeprecatedConstantEnum(FlowResultType.FORM, "2025.1")
_DEPRECATED_RESULT_TYPE_CREATE_ENTRY = DeprecatedConstantEnum(
FlowResultType.CREATE_ENTRY, "2025.1"
)
_DEPRECATED_RESULT_TYPE_ABORT = DeprecatedConstantEnum(FlowResultType.ABORT, "2025.1")
_DEPRECATED_RESULT_TYPE_EXTERNAL_STEP = DeprecatedConstantEnum(
FlowResultType.EXTERNAL_STEP, "2025.1"
)
_DEPRECATED_RESULT_TYPE_EXTERNAL_STEP_DONE = DeprecatedConstantEnum(
FlowResultType.EXTERNAL_STEP_DONE, "2025.1"
)
_DEPRECATED_RESULT_TYPE_SHOW_PROGRESS = DeprecatedConstantEnum(
FlowResultType.SHOW_PROGRESS, "2025.1"
)
_DEPRECATED_RESULT_TYPE_SHOW_PROGRESS_DONE = DeprecatedConstantEnum(
FlowResultType.SHOW_PROGRESS_DONE, "2025.1"
)
_DEPRECATED_RESULT_TYPE_MENU = DeprecatedConstantEnum(FlowResultType.MENU, "2025.1")
# Event that is fired when a flow is progressed via external or progress source.
EVENT_DATA_ENTRY_FLOW_PROGRESSED = "data_entry_flow_progressed"
FLOW_NOT_COMPLETE_STEPS = {
FlowResultType.FORM,
FlowResultType.EXTERNAL_STEP,
FlowResultType.EXTERNAL_STEP_DONE,
FlowResultType.SHOW_PROGRESS,
FlowResultType.SHOW_PROGRESS_DONE,
FlowResultType.MENU,
}
STEP_ID_OPTIONAL_STEPS = {
FlowResultType.EXTERNAL_STEP,
FlowResultType.FORM,
FlowResultType.MENU,
FlowResultType.SHOW_PROGRESS,
}
_FlowResultT = TypeVar("_FlowResultT", bound="FlowResult[Any]", default="FlowResult")
_HandlerT = TypeVar("_HandlerT", default=str)
@dataclass(slots=True)
class BaseServiceInfo:
"""Base class for discovery ServiceInfo."""
class FlowError(HomeAssistantError):
"""Base class for data entry errors."""
class UnknownHandler(FlowError):
"""Unknown handler specified."""
class UnknownFlow(FlowError):
"""Unknown flow specified."""
class UnknownStep(FlowError):
"""Unknown step specified."""
# ignore misc is required as vol.Invalid is not typed
# mypy error: Class cannot subclass "Invalid" (has type "Any")
class InvalidData(vol.Invalid): # type: ignore[misc]
"""Invalid data provided."""
def __init__(
self,
message: str,
path: list[str | vol.Marker] | None,
error_message: str | None,
schema_errors: dict[str, Any],
**kwargs: Any,
) -> None:
super().__init__(message, path, error_message, **kwargs)
self.schema_errors = schema_errors
class AbortFlow(FlowError):
"""Exception to indicate a flow needs to be aborted."""
def __init__(
self, reason: str, description_placeholders: Mapping[str, str] | None = None
) -> None:
"""Initialize an abort flow exception."""
super().__init__(f"Flow aborted: {reason}")
self.reason = reason
self.description_placeholders = description_placeholders
class FlowResult(TypedDict, Generic[_HandlerT], total=False):
"""Typed result dict."""
context: dict[str, Any]
data_schema: vol.Schema | None
data: Mapping[str, Any]
description_placeholders: Mapping[str, str | None] | None
description: str | None
errors: dict[str, str] | None
extra: str
flow_id: Required[str]
handler: Required[_HandlerT]
last_step: bool | None
menu_options: list[str] | dict[str, str]
options: Mapping[str, Any]
preview: str | None
progress_action: str
progress_task: asyncio.Task[Any] | None
reason: str
required: bool
result: Any
step_id: str
title: str
translation_domain: str
type: FlowResultType
url: str
def _map_error_to_schema_errors(
schema_errors: dict[str, Any],
error: vol.Invalid,
data_schema: vol.Schema,
) -> None:
"""Map an error to the correct position in the schema_errors.
Raises ValueError if the error path could not be found in the schema.
Limitation: Nested schemas are not supported and a ValueError will be raised.
"""
schema = data_schema.schema
error_path = error.path
if not error_path or (path_part := error_path[0]) not in schema:
raise ValueError("Could not find path in schema")
if len(error_path) > 1:
raise ValueError("Nested schemas are not supported")
# path_part can also be vol.Marker, but we need a string key
path_part_str = str(path_part)
schema_errors[path_part_str] = error.error_message
class FlowManager(abc.ABC, Generic[_FlowResultT, _HandlerT]):
"""Manage all the flows that are in progress."""
_flow_result: type[_FlowResultT] = FlowResult # type: ignore[assignment]
def __init__(
self,
hass: HomeAssistant,
) -> None:
"""Initialize the flow manager."""
self.hass = hass
self._preview: set[_HandlerT] = set()
self._progress: dict[str, FlowHandler[_FlowResultT, _HandlerT]] = {}
self._handler_progress_index: dict[
_HandlerT, set[FlowHandler[_FlowResultT, _HandlerT]]
] = {}
self._init_data_process_index: dict[
type, set[FlowHandler[_FlowResultT, _HandlerT]]
] = {}
@abc.abstractmethod
async def async_create_flow(
self,
handler_key: _HandlerT,
*,
context: dict[str, Any] | None = None,
data: dict[str, Any] | None = None,
) -> FlowHandler[_FlowResultT, _HandlerT]:
"""Create a flow for specified handler.
Handler key is the domain of the component that we want to set up.
"""
@abc.abstractmethod
async def async_finish_flow(
self, flow: FlowHandler[_FlowResultT, _HandlerT], result: _FlowResultT
) -> _FlowResultT:
"""Finish a data entry flow."""
async def async_post_init(
self, flow: FlowHandler[_FlowResultT, _HandlerT], result: _FlowResultT
) -> None:
"""Entry has finished executing its first step asynchronously."""
@callback
def async_has_matching_flow(
self, handler: _HandlerT, match_context: dict[str, Any], data: Any
) -> bool:
"""Check if an existing matching flow is in progress.
A flow with the same handler, context, and data.
If match_context is passed, only return flows with a context that is a
superset of match_context.
"""
if not (flows := self._handler_progress_index.get(handler)):
return False
match_items = match_context.items()
for progress in flows:
if match_items <= progress.context.items() and progress.init_data == data:
return True
return False
@callback
def async_get(self, flow_id: str) -> _FlowResultT:
"""Return a flow in progress as a partial FlowResult."""
if (flow := self._progress.get(flow_id)) is None:
raise UnknownFlow
return self._async_flow_handler_to_flow_result([flow], False)[0]
@callback
def async_progress(self, include_uninitialized: bool = False) -> list[_FlowResultT]:
"""Return the flows in progress as a partial FlowResult."""
return self._async_flow_handler_to_flow_result(
self._progress.values(), include_uninitialized
)
@callback
def async_progress_by_handler(
self,
handler: _HandlerT,
include_uninitialized: bool = False,
match_context: dict[str, Any] | None = None,
) -> list[_FlowResultT]:
"""Return the flows in progress by handler as a partial FlowResult.
If match_context is specified, only return flows with a context that
is a superset of match_context.
"""
return self._async_flow_handler_to_flow_result(
self._async_progress_by_handler(handler, match_context),
include_uninitialized,
)
@callback
def async_progress_by_init_data_type(
self,
init_data_type: type,
matcher: Callable[[Any], bool],
include_uninitialized: bool = False,
) -> list[_FlowResultT]:
"""Return flows in progress init matching by data type as a partial FlowResult."""
return self._async_flow_handler_to_flow_result(
(
progress
for progress in self._init_data_process_index.get(init_data_type, set())
if matcher(progress.init_data)
),
include_uninitialized,
)
@callback
def _async_progress_by_handler(
self, handler: _HandlerT, match_context: dict[str, Any] | None
) -> list[FlowHandler[_FlowResultT, _HandlerT]]:
"""Return the flows in progress by handler.
If match_context is specified, only return flows with a context that
is a superset of match_context.
"""
if not match_context:
return list(self._handler_progress_index.get(handler, ()))
match_context_items = match_context.items()
return [
progress
for progress in self._handler_progress_index.get(handler, ())
if match_context_items <= progress.context.items()
]
async def async_init(
self,
handler: _HandlerT,
*,
context: dict[str, Any] | None = None,
data: Any = None,
) -> _FlowResultT:
"""Start a data entry flow."""
if context is None:
context = {}
flow = await self.async_create_flow(handler, context=context, data=data)
if not flow:
raise UnknownFlow("Flow was not created")
flow.hass = self.hass
flow.handler = handler
flow.flow_id = uuid_util.random_uuid_hex()
flow.context = context
flow.init_data = data
self._async_add_flow_progress(flow)
result = await self._async_handle_step(flow, flow.init_step, data)
if result["type"] != FlowResultType.ABORT:
await self.async_post_init(flow, result)
return result
async def async_configure(
self, flow_id: str, user_input: dict | None = None
) -> _FlowResultT:
"""Continue a data entry flow."""
result: _FlowResultT | None = None
while not result or result["type"] == FlowResultType.SHOW_PROGRESS_DONE:
result = await self._async_configure(flow_id, user_input)
flow = self._progress.get(flow_id)
if flow and flow.deprecated_show_progress:
break
return result
async def _async_configure(
self, flow_id: str, user_input: dict | None = None
) -> _FlowResultT:
"""Continue a data entry flow."""
if (flow := self._progress.get(flow_id)) is None:
raise UnknownFlow
cur_step = flow.cur_step
assert cur_step is not None
if (
data_schema := cur_step.get("data_schema")
) is not None and user_input is not None:
try:
user_input = data_schema(user_input) # type: ignore[operator]
except vol.Invalid as ex:
raised_errors = [ex]
if isinstance(ex, vol.MultipleInvalid):
raised_errors = ex.errors
schema_errors: dict[str, Any] = {}
for error in raised_errors:
try:
_map_error_to_schema_errors(schema_errors, error, data_schema)
except ValueError:
# If we get here, the path in the exception does not exist in the schema.
schema_errors.setdefault("base", []).append(str(error))
raise InvalidData(
"Schema validation failed",
path=ex.path,
error_message=ex.error_message,
schema_errors=schema_errors,
) from ex
# Handle a menu navigation choice
if cur_step["type"] == FlowResultType.MENU and user_input:
result = await self._async_handle_step(
flow, user_input["next_step_id"], None
)
else:
result = await self._async_handle_step(
flow, cur_step["step_id"], user_input
)
if cur_step["type"] in (
FlowResultType.EXTERNAL_STEP,
FlowResultType.SHOW_PROGRESS,
):
if cur_step["type"] == FlowResultType.EXTERNAL_STEP and result[
"type"
] not in (
FlowResultType.EXTERNAL_STEP,
FlowResultType.EXTERNAL_STEP_DONE,
):
raise ValueError(
"External step can only transition to "
"external step or external step done."
)
if cur_step["type"] == FlowResultType.SHOW_PROGRESS and result[
"type"
] not in (
FlowResultType.SHOW_PROGRESS,
FlowResultType.SHOW_PROGRESS_DONE,
):
raise ValueError(
"Show progress can only transition to show progress or show"
" progress done."
)
# If the result has changed from last result, fire event to update
# the frontend. The result is considered to have changed if:
# - The step has changed
# - The step is same but result type is SHOW_PROGRESS and progress_action
# or description_placeholders has changed
if cur_step["step_id"] != result.get("step_id") or (
result["type"] == FlowResultType.SHOW_PROGRESS
and (
cur_step["progress_action"] != result.get("progress_action")
or cur_step["description_placeholders"]
!= result.get("description_placeholders")
)
):
# Tell frontend to reload the flow state.
self.hass.bus.async_fire(
EVENT_DATA_ENTRY_FLOW_PROGRESSED,
{"handler": flow.handler, "flow_id": flow_id, "refresh": True},
)
return result
@callback
def async_abort(self, flow_id: str) -> None:
"""Abort a flow."""
self._async_remove_flow_progress(flow_id)
@callback
def _async_add_flow_progress(
self, flow: FlowHandler[_FlowResultT, _HandlerT]
) -> None:
"""Add a flow to in progress."""
if flow.init_data is not None:
init_data_type = type(flow.init_data)
self._init_data_process_index.setdefault(init_data_type, set()).add(flow)
self._progress[flow.flow_id] = flow
self._handler_progress_index.setdefault(flow.handler, set()).add(flow)
@callback
def _async_remove_flow_from_index(
self, flow: FlowHandler[_FlowResultT, _HandlerT]
) -> None:
"""Remove a flow from in progress."""
if flow.init_data is not None:
init_data_type = type(flow.init_data)
self._init_data_process_index[init_data_type].remove(flow)
if not self._init_data_process_index[init_data_type]:
del self._init_data_process_index[init_data_type]
handler = flow.handler
self._handler_progress_index[handler].remove(flow)
if not self._handler_progress_index[handler]:
del self._handler_progress_index[handler]
@callback
def _async_remove_flow_progress(self, flow_id: str) -> None:
"""Remove a flow from in progress."""
if (flow := self._progress.pop(flow_id, None)) is None:
raise UnknownFlow
self._async_remove_flow_from_index(flow)
flow.async_cancel_progress_task()
try:
flow.async_remove()
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Error removing %s flow", flow.handler)
async def _async_handle_step(
self,
flow: FlowHandler[_FlowResultT, _HandlerT],
step_id: str,
user_input: dict | BaseServiceInfo | None,
) -> _FlowResultT:
"""Handle a step of a flow."""
self._raise_if_step_does_not_exist(flow, step_id)
method = f"async_step_{step_id}"
try:
result: _FlowResultT = await getattr(flow, method)(user_input)
except AbortFlow as err:
result = self._flow_result(
type=FlowResultType.ABORT,
flow_id=flow.flow_id,
handler=flow.handler,
reason=err.reason,
description_placeholders=err.description_placeholders,
)
# Setup the flow handler's preview if needed
if result.get("preview") is not None:
await self._async_setup_preview(flow)
if not isinstance(result["type"], FlowResultType):
result["type"] = FlowResultType(result["type"]) # type: ignore[unreachable]
report(
(
"does not use FlowResultType enum for data entry flow result type. "
"This is deprecated and will stop working in Home Assistant 2022.9"
),
error_if_core=False,
)
if (
result["type"] == FlowResultType.SHOW_PROGRESS
# Mypy does not agree with using pop on _FlowResultT
and (progress_task := result.pop("progress_task", None)) # type: ignore[arg-type]
and progress_task != flow.async_get_progress_task()
):
# The flow's progress task was changed, register a callback on it
async def call_configure() -> None:
with suppress(UnknownFlow):
await self._async_configure(flow.flow_id)
def schedule_configure(_: asyncio.Task) -> None:
self.hass.async_create_task(call_configure())
# The mypy ignores are a consequence of mypy not accepting the pop above
progress_task.add_done_callback(schedule_configure) # type: ignore[attr-defined]
flow.async_set_progress_task(progress_task) # type: ignore[arg-type]
elif result["type"] != FlowResultType.SHOW_PROGRESS:
flow.async_cancel_progress_task()
if result["type"] in STEP_ID_OPTIONAL_STEPS:
if "step_id" not in result:
result["step_id"] = step_id
if result["type"] in FLOW_NOT_COMPLETE_STEPS:
self._raise_if_step_does_not_exist(flow, result["step_id"])
flow.cur_step = result
return result
# We pass a copy of the result because we're mutating our version
result = await self.async_finish_flow(flow, result.copy())
# _async_finish_flow may change result type, check it again
if result["type"] == FlowResultType.FORM:
flow.cur_step = result
return result
# Abort and Success results both finish the flow
self._async_remove_flow_progress(flow.flow_id)
return result
def _raise_if_step_does_not_exist(
self, flow: FlowHandler[_FlowResultT, _HandlerT], step_id: str
) -> None:
"""Raise if the step does not exist."""
method = f"async_step_{step_id}"
if not hasattr(flow, method):
self._async_remove_flow_progress(flow.flow_id)
raise UnknownStep(
f"Handler {self.__class__.__name__} doesn't support step {step_id}"
)
async def _async_setup_preview(
self, flow: FlowHandler[_FlowResultT, _HandlerT]
) -> None:
"""Set up preview for a flow handler."""
if flow.handler not in self._preview:
self._preview.add(flow.handler)
await flow.async_setup_preview(self.hass)
@callback
def _async_flow_handler_to_flow_result(
self,
flows: Iterable[FlowHandler[_FlowResultT, _HandlerT]],
include_uninitialized: bool,
) -> list[_FlowResultT]:
"""Convert a list of FlowHandler to a partial FlowResult that can be serialized."""
results = []
for flow in flows:
if not include_uninitialized and flow.cur_step is None:
continue
result = self._flow_result(
flow_id=flow.flow_id,
handler=flow.handler,
context=flow.context,
)
if flow.cur_step:
result["step_id"] = flow.cur_step["step_id"]
results.append(result)
return results
class FlowHandler(Generic[_FlowResultT, _HandlerT]):
"""Handle a data entry flow."""
_flow_result: type[_FlowResultT] = FlowResult # type: ignore[assignment]
# Set by flow manager
cur_step: _FlowResultT | None = None
# While not purely typed, it makes typehinting more useful for us
# and removes the need for constant None checks or asserts.
flow_id: str = None # type: ignore[assignment]
hass: HomeAssistant = None # type: ignore[assignment]
handler: _HandlerT = None # type: ignore[assignment]
# Ensure the attribute has a subscriptable, but immutable, default value.
context: dict[str, Any] = MappingProxyType({}) # type: ignore[assignment]
# Set by _async_create_flow callback
init_step = "init"
# The initial data that was used to start the flow
init_data: Any = None
# Set by developer
VERSION = 1
MINOR_VERSION = 1
__progress_task: asyncio.Task[Any] | None = None
__no_progress_task_reported = False
deprecated_show_progress = False
@property
def source(self) -> str | None:
"""Source that initialized the flow."""
return self.context.get("source", None) # type: ignore[no-any-return]
@property
def show_advanced_options(self) -> bool:
"""If we should show advanced options."""
return self.context.get("show_advanced_options", False) # type: ignore[no-any-return]
def add_suggested_values_to_schema(
self, data_schema: vol.Schema, suggested_values: Mapping[str, Any] | None
) -> vol.Schema:
"""Make a copy of the schema, populated with suggested values.
For each schema marker matching items in `suggested_values`,
the `suggested_value` will be set. The existing `suggested_value` will
be left untouched if there is no matching item.
"""
schema = {}
for key, val in data_schema.schema.items():
if isinstance(key, vol.Marker):
# Exclude advanced field
if (
key.description
and key.description.get("advanced")
and not self.show_advanced_options
):
continue
new_key = key
if (
suggested_values
and key in suggested_values
and isinstance(key, vol.Marker)
):
# Copy the marker to not modify the flow schema
new_key = copy.copy(key)
new_key.description = {"suggested_value": suggested_values[key]}
schema[new_key] = val
return vol.Schema(schema)
@callback
def async_show_form(
self,
*,
step_id: str | None = None,
data_schema: vol.Schema | None = None,
errors: dict[str, str] | None = None,
description_placeholders: Mapping[str, str | None] | None = None,
last_step: bool | None = None,
preview: str | None = None,
) -> _FlowResultT:
"""Return the definition of a form to gather user input.
The step_id parameter is deprecated and will be removed in a future release.
"""
flow_result = self._flow_result(
type=FlowResultType.FORM,
flow_id=self.flow_id,
handler=self.handler,
data_schema=data_schema,
errors=errors,
description_placeholders=description_placeholders,
last_step=last_step, # Display next or submit button in frontend
preview=preview, # Display preview component in frontend
)
if step_id is not None:
flow_result["step_id"] = step_id
return flow_result
@callback
def async_create_entry(
self,
*,
title: str | None = None,
data: Mapping[str, Any],
description: str | None = None,
description_placeholders: Mapping[str, str] | None = None,
) -> _FlowResultT:
"""Finish flow."""
flow_result = self._flow_result(
type=FlowResultType.CREATE_ENTRY,
flow_id=self.flow_id,
handler=self.handler,
data=data,
description=description,
description_placeholders=description_placeholders,
context=self.context,
)
if title is not None:
flow_result["title"] = title
return flow_result
@callback
def async_abort(
self,
*,
reason: str,
description_placeholders: Mapping[str, str] | None = None,
) -> _FlowResultT:
"""Abort the flow."""
return self._flow_result(
type=FlowResultType.ABORT,
flow_id=self.flow_id,
handler=self.handler,
reason=reason,
description_placeholders=description_placeholders,
)
@callback
def async_external_step(
self,
*,
step_id: str | None = None,
url: str,
description_placeholders: Mapping[str, str] | None = None,
) -> _FlowResultT:
"""Return the definition of an external step for the user to take.
The step_id parameter is deprecated and will be removed in a future release.
"""
flow_result = self._flow_result(
type=FlowResultType.EXTERNAL_STEP,
flow_id=self.flow_id,
handler=self.handler,
url=url,
description_placeholders=description_placeholders,
)
if step_id is not None:
flow_result["step_id"] = step_id
return flow_result
@callback
def async_external_step_done(self, *, next_step_id: str) -> _FlowResultT:
"""Return the definition of an external step for the user to take."""
return self._flow_result(
type=FlowResultType.EXTERNAL_STEP_DONE,
flow_id=self.flow_id,
handler=self.handler,
step_id=next_step_id,
)
@callback
def async_show_progress(
self,
*,
step_id: str | None = None,
progress_action: str,
description_placeholders: Mapping[str, str] | None = None,
progress_task: asyncio.Task[Any] | None = None,
) -> _FlowResultT:
"""Show a progress message to the user, without user input allowed.
The step_id parameter is deprecated and will be removed in a future release.
"""
if progress_task is None and not self.__no_progress_task_reported:
self.__no_progress_task_reported = True
cls = self.__class__
report_issue = async_suggest_report_issue(self.hass, module=cls.__module__)
_LOGGER.warning(
(
"%s::%s calls async_show_progress without passing a progress task, "
"this is not valid and will break in Home Assistant Core 2024.8. "
"Please %s"
),
cls.__module__,
cls.__name__,
report_issue,
)
if progress_task is None:
self.deprecated_show_progress = True
flow_result = self._flow_result(
type=FlowResultType.SHOW_PROGRESS,
flow_id=self.flow_id,
handler=self.handler,
progress_action=progress_action,
description_placeholders=description_placeholders,
progress_task=progress_task,
)
if step_id is not None:
flow_result["step_id"] = step_id
return flow_result
@callback
def async_show_progress_done(self, *, next_step_id: str) -> _FlowResultT:
"""Mark the progress done."""
return self._flow_result(
type=FlowResultType.SHOW_PROGRESS_DONE,
flow_id=self.flow_id,
handler=self.handler,
step_id=next_step_id,
)
@callback
def async_show_menu(
self,
*,
step_id: str | None = None,
menu_options: list[str] | dict[str, str],
description_placeholders: Mapping[str, str] | None = None,
) -> _FlowResultT:
"""Show a navigation menu to the user.
Options dict maps step_id => i18n label
The step_id parameter is deprecated and will be removed in a future release.
"""
flow_result = self._flow_result(
type=FlowResultType.MENU,
flow_id=self.flow_id,
handler=self.handler,
data_schema=vol.Schema({"next_step_id": vol.In(menu_options)}),
menu_options=menu_options,
description_placeholders=description_placeholders,
)
if step_id is not None:
flow_result["step_id"] = step_id
return flow_result
@callback
def async_remove(self) -> None:
"""Notification that the flow has been removed."""
@staticmethod
async def async_setup_preview(hass: HomeAssistant) -> None:
"""Set up preview."""
@callback
def async_cancel_progress_task(self) -> None:
"""Cancel in progress task."""
if self.__progress_task and not self.__progress_task.done():
self.__progress_task.cancel()
self.__progress_task = None
@callback
def async_get_progress_task(self) -> asyncio.Task[Any] | None:
"""Get in progress task."""
return self.__progress_task
@callback
def async_set_progress_task(
self,
progress_task: asyncio.Task[Any],
) -> None:
"""Set in progress task."""
self.__progress_task = progress_task
# These can be removed if no deprecated constant are in this module anymore
__getattr__ = partial(check_if_deprecated_constant, module_globals=globals())
__dir__ = partial(
dir_with_deprecated_constants, module_globals_keys=[*globals().keys()]
)
__all__ = all_with_deprecated_constants(globals())