Allow picking a pipeline for voip devices (home-assistant#91524)

* Allow picking a pipeline for voip device

* Add tests

* Fix test

* Adjust on new pipeline data

homeassistant/components/assist_pipeline/__init__.py

@@ -52,16 +52,13 @@ async def async_pipeline_from_audio_stream(
     tts_options: dict | None = None,
 ) -> None:
     """Create an audio pipeline from an audio stream."""
-    if language is None:
+    if language is None and pipeline_id is None:
         language = hass.config.language
 
     # Temporary workaround for language codes
     if language == "en":
         language = "en-US"
 
-    if stt_metadata.language == "":
-        stt_metadata.language = language
-
     if context is None:
         context = Context()
 
@@ -75,6 +72,9 @@ async def async_pipeline_from_audio_stream(
             "pipeline_not_found", f"Pipeline {pipeline_id} not found"
         )
 
+    if stt_metadata.language == "":
+        stt_metadata.language = pipeline.language
+
     pipeline_input = PipelineInput(
         conversation_id=conversation_id,
         stt_metadata=stt_metadata,

homeassistant/components/assist_pipeline/pipeline.py

@@ -105,7 +105,7 @@ class Pipeline:
     """A voice assistant pipeline."""
 
     conversation_engine: str | None
-    language: str | None
+    language: str
     name: str
     stt_engine: str | None
     tts_engine: str | None

homeassistant/components/assist_pipeline/select.py

@@ -0,0 +1,95 @@
+"""Select entities for a pipeline."""
+
+from __future__ import annotations
+
+from collections.abc import Iterable
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.const import EntityCategory, Platform
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import collection, entity_registry as er, restore_state
+
+from .const import DOMAIN
+from .pipeline import PipelineStorageCollection
+
+OPTION_PREFERRED = "preferred"
+
+
+@callback
+def get_chosen_pipeline(
+    hass: HomeAssistant, domain: str, unique_id_prefix: str
+) -> str | None:
+    """Get the chosen pipeline for a domain."""
+    ent_reg = er.async_get(hass)
+    pipeline_entity_id = ent_reg.async_get_entity_id(
+        Platform.SELECT, domain, f"{unique_id_prefix}-pipeline"
+    )
+    if pipeline_entity_id is None:
+        return None
+
+    state = hass.states.get(pipeline_entity_id)
+    if state is None or state.state == OPTION_PREFERRED:
+        return None
+
+    pipeline_store: PipelineStorageCollection = hass.data[DOMAIN]
+    return next(
+        (item.id for item in pipeline_store.async_items() if item.name == state.state),
+        None,
+    )
+
+
+class AssistPipelineSelect(SelectEntity, restore_state.RestoreEntity):
+    """Entity to represent a pipeline selector."""
+
+    entity_description = SelectEntityDescription(
+        key="pipeline",
+        translation_key="pipeline",
+        entity_category=EntityCategory.CONFIG,
+    )
+    _attr_should_poll = False
+    _attr_current_option = OPTION_PREFERRED
+    _attr_options = [OPTION_PREFERRED]
+
+    def __init__(self, hass: HomeAssistant, unique_id_prefix: str) -> None:
+        """Initialize a pipeline selector."""
+        self._attr_unique_id = f"{unique_id_prefix}-pipeline"
+        self.hass = hass
+        self._update_options()
+
+    async def async_added_to_hass(self) -> None:
+        """When entity is added to Home Assistant."""
+        await super().async_added_to_hass()
+
+        pipeline_store: PipelineStorageCollection = self.hass.data[
+            DOMAIN
+        ].pipeline_store
+        pipeline_store.async_add_change_set_listener(self._pipelines_updated)
+
+        state = await self.async_get_last_state()
+        if state is not None and state.state in self.options:
+            self._attr_current_option = state.state
+
+    async def async_select_option(self, option: str) -> None:
+        """Select an option."""
+        self._attr_current_option = option
+        self.async_write_ha_state()
+
+    async def _pipelines_updated(
+        self, change_sets: Iterable[collection.CollectionChangeSet]
+    ) -> None:
+        """Handle pipeline update."""
+        self._update_options()
+        self.async_write_ha_state()
+
+    @callback
+    def _update_options(self) -> None:
+        """Handle pipeline update."""
+        pipeline_store: PipelineStorageCollection = self.hass.data[
+            DOMAIN
+        ].pipeline_store
+        options = [OPTION_PREFERRED]
+        options.extend(sorted(item.name for item in pipeline_store.async_items()))
+        self._attr_options = options
+
+        if self._attr_current_option not in options:
+            self._attr_current_option = OPTION_PREFERRED

homeassistant/components/assist_pipeline/strings.json

@@ -0,0 +1,12 @@
+{
+  "entity": {
+    "select": {
+      "pipeline": {
+        "name": "Assist Pipeline",
+        "state": {
+          "preferred": "Preferred"
+        }
+      }
+    }
+  }
+}

homeassistant/components/voip/__init__.py

@@ -19,6 +19,7 @@
 
 PLATFORMS = (
     Platform.BINARY_SENSOR,
+    Platform.SELECT,
     Platform.SWITCH,
 )
 _LOGGER = logging.getLogger(__name__)

homeassistant/components/voip/select.py

@@ -0,0 +1,46 @@
+"""Select entities for VoIP integration."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from homeassistant.components.assist_pipeline.select import AssistPipelineSelect
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .devices import VoIPDevice
+from .entity import VoIPEntity
+
+if TYPE_CHECKING:
+    from . import DomainData
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up VoIP switch entities."""
+    domain_data: DomainData = hass.data[DOMAIN]
+
+    @callback
+    def async_add_device(device: VoIPDevice) -> None:
+        """Add device."""
+        async_add_entities([VoipPipelineSelect(hass, device)])
+
+    domain_data.devices.async_add_new_device_listener(async_add_device)
+
+    async_add_entities(
+        [VoipPipelineSelect(hass, device) for device in domain_data.devices]
+    )
+
+
+class VoipPipelineSelect(VoIPEntity, AssistPipelineSelect):
+    """Pipeline selector for VoIP devices."""
+
+    def __init__(self, hass: HomeAssistant, device: VoIPDevice) -> None:
+        """Initialize a pipeline selector."""
+        VoIPEntity.__init__(self, device)
+        AssistPipelineSelect.__init__(self, hass, device.voip_id)

homeassistant/components/voip/strings.json

@@ -24,6 +24,14 @@
       "allow_call": {
         "name": "Allow Calls"
       }
+    },
+    "select": {
+      "pipeline": {
+        "name": "[%key:component::assist_pipeline::entity::select::pipeline::name%]",
+        "state": {
+          "preferred": "[%key:component::assist_pipeline::entity::select::pipeline::state::preferred%]"
+        }
+      }
     }
   }
 }

homeassistant/components/voip/voip.py

@@ -15,11 +15,14 @@
     PipelineEvent,
     PipelineEventType,
     async_pipeline_from_audio_stream,
+    select as pipeline_select,
 )
 from homeassistant.components.assist_pipeline.vad import VoiceCommandSegmenter
 from homeassistant.const import __version__
 from homeassistant.core import HomeAssistant
 
+from .const import DOMAIN
+
 if TYPE_CHECKING:
     from .devices import VoIPDevice, VoIPDevices
 
@@ -151,7 +154,9 @@ async def stt_stream():
                         channel=stt.AudioChannels.CHANNEL_MONO,
                     ),
                     stt_stream=stt_stream(),
-                    language=self.language,
+                    pipeline_id=pipeline_select.get_chosen_pipeline(
+                        self.hass, DOMAIN, self.voip_device.voip_id
+                    ),
                     conversation_id=self._conversation_id,
                     tts_options={tts.ATTR_AUDIO_OUTPUT: "raw"},
                 )

homeassistant/helpers/collection.py

@@ -143,20 +143,24 @@ def async_items(self) -> list[_ItemT]:
         return list(self.data.values())
 
     @callback
-    def async_add_listener(self, listener: ChangeListener) -> None:
+    def async_add_listener(self, listener: ChangeListener) -> Callable[[], None]:
         """Add a listener.
 
         Will be called with (change_type, item_id, updated_config).
         """
         self.listeners.append(listener)
+        return lambda: self.listeners.remove(listener)
 
     @callback
-    def async_add_change_set_listener(self, listener: ChangeSetListener) -> None:
+    def async_add_change_set_listener(
+        self, listener: ChangeSetListener
+    ) -> Callable[[], None]:
         """Add a listener for a full change set.
 
         Will be called with [(change_type, item_id, updated_config), ...]
         """
         self.change_set_listeners.append(listener)
+        return lambda: self.change_set_listeners.remove(listener)
 
     async def notify_changes(self, change_sets: Iterable[CollectionChangeSet]) -> None:
         """Notify listeners of a change."""

tests/components/assist_pipeline/conftest.py

@@ -6,6 +6,8 @@
 import pytest
 
 from homeassistant.components import stt, tts
+from homeassistant.components.assist_pipeline import DOMAIN
+from homeassistant.components.assist_pipeline.pipeline import PipelineStorageCollection
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.setup import async_setup_component
@@ -137,3 +139,9 @@ async def init_components(
     assert await async_setup_component(hass, stt.DOMAIN, {"stt": {"platform": "test"}})
     assert await async_setup_component(hass, "media_source", {})
     assert await async_setup_component(hass, "assist_pipeline", {})
+
+
+@pytest.fixture
+def pipeline_storage(hass: HomeAssistant, init_components) -> PipelineStorageCollection:
+    """Return pipeline storage collection."""
+    return hass.data[DOMAIN].pipeline_store