Fix Hue device trigger crash for devices removed from bridge (#171844)

homeassistant/components/hue/v2/device_trigger.py

@@ -87,6 +87,8 @@ def async_get_triggers(
 
     # Get Hue device id from device identifier
     hue_dev_id = get_hue_device_id(device_entry)
+    if hue_dev_id is None or hue_dev_id not in api.devices:
+        return []
     # extract triggers from all button resources of this Hue device
     triggers: list[dict[str, Any]] = []
     model_id = api.devices[hue_dev_id].product_data.product_name

tests/components/hue/test_device_trigger_v2.py

@@ -116,3 +116,30 @@ async def test_get_triggers(
     ]
 
     assert triggers == unordered(expected_triggers)
+
+
+async def test_get_triggers_for_removed_device(
+    hass: HomeAssistant,
+    mock_bridge_v2: Mock,
+    v2_resources_test_data: JsonArrayType,
+    device_registry: dr.DeviceRegistry,
+) -> None:
+    """Test triggers for a device removed from the bridge.
+
+    Regression test for https://github.com/home-assistant/core/issues/152937
+    """
+    await mock_bridge_v2.api.load_test_data(v2_resources_test_data)
+    await setup_platform(
+        hass, mock_bridge_v2, [Platform.BINARY_SENSOR, Platform.SENSOR]
+    )
+
+    # Create a device entry with a Hue ID that doesn't exist on the bridge
+    orphaned_device = device_registry.async_get_or_create(
+        config_entry_id=mock_bridge_v2.config_entry.entry_id,
+        identifiers={(hue.DOMAIN, "non-existent-hue-device-id")},
+    )
+
+    triggers = await async_get_device_automations(
+        hass, DeviceAutomationType.TRIGGER, orphaned_device.id
+    )
+    assert triggers == []