Add exception translations for Brother integration (#140868)

Add exception translations

homeassistant/components/brother/__init__.py

@@ -9,6 +9,7 @@ from homeassistant.const import CONF_HOST, CONF_TYPE, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
 
+from .const import DOMAIN
 from .coordinator import BrotherConfigEntry, BrotherDataUpdateCoordinator
 
 PLATFORMS = [Platform.SENSOR]
@@ -25,7 +26,14 @@ async def async_setup_entry(hass: HomeAssistant, entry: BrotherConfigEntry) -> b
             host, printer_type=printer_type, snmp_engine=snmp_engine
         )
     except (ConnectionError, SnmpError, TimeoutError) as error:
-        raise ConfigEntryNotReady from error
+        raise ConfigEntryNotReady(
+            translation_domain=DOMAIN,
+            translation_key="cannot_connect",
+            translation_placeholders={
+                "device": entry.title,
+                "error": repr(error),
+            },
+        ) from error
 
     coordinator = BrotherDataUpdateCoordinator(hass, entry, brother)
     await coordinator.async_config_entry_first_refresh()

homeassistant/components/brother/coordinator.py

@@ -26,6 +26,7 @@ class BrotherDataUpdateCoordinator(DataUpdateCoordinator[BrotherSensors]):
     ) -> None:
         """Initialize."""
         self.brother = brother
+        self.device_name = config_entry.title
 
         super().__init__(
             hass,
@@ -41,5 +42,12 @@ class BrotherDataUpdateCoordinator(DataUpdateCoordinator[BrotherSensors]):
             async with timeout(20):
                 data = await self.brother.async_update()
         except (ConnectionError, SnmpError, UnsupportedModelError) as error:
-            raise UpdateFailed(error) from error
+            raise UpdateFailed(
+                translation_domain=DOMAIN,
+                translation_key="update_error",
+                translation_placeholders={
+                    "device": self.device_name,
+                    "error": repr(error),
+                },
+            ) from error
         return data

homeassistant/components/brother/strings.json

@@ -159,5 +159,13 @@
         "name": "Last restart"
       }
     }
+  },
+  "exceptions": {
+    "cannot_connect": {
+      "message": "An error occurred while connecting to the {device} printer: {error}"
+    },
+    "update_error": {
+      "message": "An error occurred while retrieving data from the {device} printer: {error}"
+    }
   }
 }