Allow overriding name via entity registry

homeassistant/components/remote/xiaomi_miio.py

@@ -226,7 +226,6 @@ def async_turn_off(self, **kwargs):
         _LOGGER.error("Device does not support turn_off, " +
                       "please use 'remote.send_command' to send commands.")
 
-    # pylint: enable=R0201
     def _send_command(self, payload):
         """Send a command."""
         from miio import DeviceException

homeassistant/helpers/entity.py

@@ -80,6 +80,9 @@ class Entity(object):
     # Process updates in parallel
     parallel_updates = None
 
+    # Name in the entity registry
+    registry_name = None
+
     @property
     def should_poll(self) -> bool:
         """Return True if entity has to be polled for state.
@@ -225,7 +228,7 @@ def async_update_ha_state(self, force_refresh=False):
         if unit_of_measurement is not None:
             attr[ATTR_UNIT_OF_MEASUREMENT] = unit_of_measurement
 
-        name = self.name
+        name = self.registry_name or self.name
         if name is not None:
             attr[ATTR_FRIENDLY_NAME] = name
 

homeassistant/helpers/entity_component.py

@@ -40,19 +40,19 @@ def __init__(self, logger, domain, hass,
         self.config = None
 
         self._platforms = {
-            'core': EntityPlatform(
+            domain: EntityPlatform(
                 hass=hass,
                 logger=logger,
                 domain=domain,
-                platform_name='core',
+                platform_name=domain,
                 scan_interval=self.scan_interval,
                 parallel_updates=0,
                 entity_namespace=None,
                 async_entities_added_callback=self._async_update_group,
             )
         }
-        self.async_add_entities = self._platforms['core'].async_add_entities
-        self.add_entities = self._platforms['core'].add_entities
+        self.async_add_entities = self._platforms[domain].async_add_entities
+        self.add_entities = self._platforms[domain].add_entities
 
     @property
     def entities(self):
@@ -190,7 +190,7 @@ def _async_reset(self):
             yield from asyncio.wait(tasks, loop=self.hass.loop)
 
         self._platforms = {
-            'core': self._platforms['core']
+            self.domain: self._platforms[self.domain]
         }
         self.config = None
 

homeassistant/helpers/entity_platform.py

@@ -213,6 +213,7 @@ def _async_add_entity(self, entity, update_before_add, component_entities,
                 self.domain, self.platform_name, entity.unique_id,
                 suggested_object_id=suggested_object_id)
             entity.entity_id = entry.entity_id
+            entity.registry_name = entry.name
 
         # We won't generate an entity ID if the platform has already set one
         # We will however make sure that platform cannot pick a registered ID

homeassistant/helpers/entity_registry.py

@@ -11,22 +11,37 @@
 from disk.
 """
 import asyncio
-from collections import namedtuple, OrderedDict
+from collections import OrderedDict
 from itertools import chain
 import logging
 import os
 
+import attr
+
 from ..core import callback, split_entity_id
 from ..util import ensure_unique_string, slugify
 from ..util.yaml import load_yaml, save_yaml
 
 PATH_REGISTRY = 'entity_registry.yaml'
 SAVE_DELAY = 10
-Entry = namedtuple('EntityRegistryEntry',
-                   'entity_id,unique_id,platform,domain')
 _LOGGER = logging.getLogger(__name__)
 
 
+@attr.s(slots=True, frozen=True)
+class RegistryEntry:
+    """Entity Registry Entry."""
+
+    entity_id = attr.ib(type=str)
+    unique_id = attr.ib(type=str)
+    platform = attr.ib(type=str)
+    name = attr.ib(type=str, default=None)
+    domain = attr.ib(type=str, default=None, init=False, repr=False)
+
+    def __attrs_post_init__(self):
+        """Computed properties."""
+        object.__setattr__(self, "domain", split_entity_id(self.entity_id)[0])
+
+
 class EntityRegistry:
     """Class to hold a registry of entities."""
 
@@ -65,11 +80,10 @@ def async_get_or_create(self, domain, platform, unique_id, *,
 
         entity_id = self.async_generate_entity_id(
             domain, suggested_object_id or '{}_{}'.format(platform, unique_id))
-        entity = Entry(
+        entity = RegistryEntry(
             entity_id=entity_id,
             unique_id=unique_id,
             platform=platform,
-            domain=domain,
         )
         self.entities[entity_id] = entity
         _LOGGER.info('Registered new %s.%s entity: %s',
@@ -98,11 +112,11 @@ def _async_load(self):
             data = yield from self.hass.async_add_job(load_yaml, path)
 
             for entity_id, info in data.items():
-                entities[entity_id] = Entry(
-                    domain=split_entity_id(entity_id)[0],
+                entities[entity_id] = RegistryEntry(
                     entity_id=entity_id,
                     unique_id=info['unique_id'],
-                    platform=info['platform']
+                    platform=info['platform'],
+                    name=info.get('name')
                 )
 
         self.entities = entities

homeassistant/package_constraints.txt

@@ -11,6 +11,7 @@ async_timeout==2.0.0
 chardet==3.0.4
 astral==1.5
 certifi>=2017.4.17
+attrs==17.4.0
 
 # Breaks Python 3.6 and is not needed for our supported Pythons
 enum34==1000000000.0.0

requirements_all.txt

@@ -12,6 +12,7 @@ async_timeout==2.0.0
 chardet==3.0.4
 astral==1.5
 certifi>=2017.4.17
+attrs==17.4.0
 
 # homeassistant.components.nuimo_controller
 --only-binary=all https://github.com/getSenic/nuimo-linux-python/archive/29fc42987f74d8090d0e2382e8f248ff5990b8c9.zip#nuimo==1.0.0

setup.py

@@ -61,6 +61,7 @@
     'chardet==3.0.4',
     'astral==1.5',
     'certifi>=2017.4.17',
+    'attrs==17.4.0',
 ]
 
 MIN_PY_VERSION = '.'.join(map(

tests/common.py

@@ -317,10 +317,10 @@ def mock_component(hass, component):
     hass.config.components.add(component)
 
 
-def mock_registry(hass):
+def mock_registry(hass, mock_entries=None):
     """Mock the Entity Registry."""
     registry = entity_registry.EntityRegistry(hass)
-    registry.entities = {}
+    registry.entities = mock_entries or {}
     hass.data[entity_platform.DATA_REGISTRY] = registry
     return registry
 

tests/helpers/test_entity_platform.py

@@ -9,7 +9,7 @@
 from homeassistant.helpers.entity import generate_entity_id
 from homeassistant.helpers.entity_component import (
     EntityComponent, DEFAULT_SCAN_INTERVAL)
-from homeassistant.helpers import entity_platform
+from homeassistant.helpers import entity_platform, entity_registry
 
 import homeassistant.util.dt as dt_util
 
@@ -433,3 +433,24 @@ def test_entity_with_name_and_entity_id_getting_registered(hass):
         MockEntity(unique_id='1234', name='bla',
                    entity_id='test_domain.world')])
     assert 'test_domain.world' in hass.states.async_entity_ids()
+
+
+@asyncio.coroutine
+def test_overriding_name_from_registry(hass):
+    """Test that we can override a name via the Entity Registry."""
+    component = EntityComponent(_LOGGER, DOMAIN, hass)
+    mock_registry(hass, {
+        'test_domain.world': entity_registry.RegistryEntry(
+            entity_id='test_domain.world',
+            unique_id='1234',
+            # Using component.async_add_entities is equal to platform "domain"
+            platform='test_domain',
+            name='Overridden'
+        )
+    })
+    yield from component.async_add_entities([
+        MockEntity(unique_id='1234', name='Device Name')])
+
+    state = hass.states.get('test_domain.world')
+    assert state is not None
+    assert state.name == 'Overridden'

tests/helpers/test_entity_registry.py

@@ -9,6 +9,9 @@
 from tests.common import mock_registry
 
 
+YAML__OPEN_PATH = 'homeassistant.util.yaml.open'
+
+
 @pytest.fixture
 def registry(hass):
     """Return an empty, loaded, registry."""
@@ -82,13 +85,12 @@ def test_save_timer_reset_on_subsequent_save(hass, registry):
 @asyncio.coroutine
 def test_loading_saving_data(hass, registry):
     """Test that we load/save data correctly."""
-    yaml_path = 'homeassistant.util.yaml.open'
     orig_entry1 = registry.async_get_or_create('light', 'hue', '1234')
     orig_entry2 = registry.async_get_or_create('light', 'hue', '5678')
 
     assert len(registry.entities) == 2
 
-    with patch(yaml_path, mock_open(), create=True) as mock_write:
+    with patch(YAML__OPEN_PATH, mock_open(), create=True) as mock_write:
         yield from registry._async_save()
 
     # Mock open calls are: open file, context enter, write, context leave
@@ -98,7 +100,7 @@ def test_loading_saving_data(hass, registry):
     registry2 = entity_registry.EntityRegistry(hass)
 
     with patch('os.path.isfile', return_value=True), \
-            patch(yaml_path, mock_open(read_data=written), create=True):
+            patch(YAML__OPEN_PATH, mock_open(read_data=written), create=True):
         yield from registry2._async_load()
 
     # Ensure same order
@@ -133,3 +135,30 @@ def test_is_registered(registry):
     entry = registry.async_get_or_create('light', 'hue', '1234')
     assert registry.async_is_registered(entry.entity_id)
     assert not registry.async_is_registered('light.non_existing')
+
+
+@asyncio.coroutine
+def test_loading_extra_values(hass):
+    """Test we load extra data from the registry."""
+    written = """
+test.named:
+  platform: super_platform
+  unique_id: with-name
+  name: registry override
+test.no_name:
+  platform: super_platform
+  unique_id: without-name
+"""
+
+    registry = entity_registry.EntityRegistry(hass)
+
+    with patch('os.path.isfile', return_value=True), \
+            patch(YAML__OPEN_PATH, mock_open(read_data=written), create=True):
+        yield from registry._async_load()
+
+    entry_with_name = registry.async_get_or_create(
+        'test', 'super_platform', 'with-name')
+    entry_without_name = registry.async_get_or_create(
+        'test', 'super_platform', 'without-name')
+    assert entry_with_name.name == 'registry override'
+    assert entry_without_name.name is None