From 1731a2534c573b46f4e3c9dd4e01c92519eb615e Mon Sep 17 00:00:00 2001
From: Maciej Bieniek <bieniu@users.noreply.github.com>
Date: Tue, 4 Nov 2025 20:28:52 +0100
Subject: [PATCH] Implement base entity class for Brother integration (#155714)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 homeassistant/components/brother/entity.py | 30 ++++++++++++++++++++++
 homeassistant/components/brother/sensor.py | 21 +++------------
 2 files changed, 34 insertions(+), 17 deletions(-)
 create mode 100644 homeassistant/components/brother/entity.py

diff --git a/homeassistant/components/brother/entity.py b/homeassistant/components/brother/entity.py
new file mode 100644
index 000000000000..827dac495758
--- /dev/null
+++ b/homeassistant/components/brother/entity.py
@@ -0,0 +1,30 @@
+"""Define the Brother entity."""
+
+from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .const import DOMAIN
+from .coordinator import BrotherDataUpdateCoordinator
+
+
+class BrotherPrinterEntity(CoordinatorEntity[BrotherDataUpdateCoordinator]):
+    """Define a Brother Printer entity."""
+
+    _attr_has_entity_name = True
+
+    def __init__(
+        self,
+        coordinator: BrotherDataUpdateCoordinator,
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator)
+        self._attr_device_info = DeviceInfo(
+            configuration_url=f"http://{coordinator.brother.host}/",
+            identifiers={(DOMAIN, coordinator.brother.serial)},
+            connections={(CONNECTION_NETWORK_MAC, coordinator.brother.mac)},
+            serial_number=coordinator.brother.serial,
+            manufacturer="Brother",
+            model=coordinator.brother.model,
+            name=coordinator.brother.model,
+            sw_version=coordinator.brother.firmware,
+        )
diff --git a/homeassistant/components/brother/sensor.py b/homeassistant/components/brother/sensor.py
index 4d18ed047df0..873e734b1d6c 100644
--- a/homeassistant/components/brother/sensor.py
+++ b/homeassistant/components/brother/sensor.py
@@ -19,13 +19,12 @@ from homeassistant.components.sensor import (
 from homeassistant.const import PERCENTAGE, EntityCategory
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import entity_registry as er
-from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import StateType
-from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import DOMAIN
 from .coordinator import BrotherConfigEntry, BrotherDataUpdateCoordinator
+from .entity import BrotherPrinterEntity
 
 # Coordinator is used to centralize the data updates
 PARALLEL_UPDATES = 0
@@ -333,12 +332,9 @@ async def async_setup_entry(
     )
 
 
-class BrotherPrinterSensor(
-    CoordinatorEntity[BrotherDataUpdateCoordinator], SensorEntity
-):
-    """Define an Brother Printer sensor."""
+class BrotherPrinterSensor(BrotherPrinterEntity, SensorEntity):
+    """Define a Brother Printer sensor."""
 
-    _attr_has_entity_name = True
     entity_description: BrotherSensorEntityDescription
 
     def __init__(
@@ -348,16 +344,7 @@ class BrotherPrinterSensor(
     ) -> None:
         """Initialize."""
         super().__init__(coordinator)
-        self._attr_device_info = DeviceInfo(
-            configuration_url=f"http://{coordinator.brother.host}/",
-            identifiers={(DOMAIN, coordinator.brother.serial)},
-            connections={(CONNECTION_NETWORK_MAC, coordinator.brother.mac)},
-            serial_number=coordinator.brother.serial,
-            manufacturer="Brother",
-            model=coordinator.brother.model,
-            name=coordinator.brother.model,
-            sw_version=coordinator.brother.firmware,
-        )
+
         self._attr_native_value = description.value(coordinator.data)
         self._attr_unique_id = f"{coordinator.brother.serial.lower()}_{description.key}"
         self.entity_description = description