From c5a190536995eb8c714eac91b742448493dda1e7 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Fri, 12 Sep 2025 11:27:50 +0200
Subject: [PATCH 1/2] Add support for translation_placeholders

---
 zha/application/platforms/__init__.py | 10 ++++++++++
 zha/zigbee/device.py                  |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/zha/application/platforms/__init__.py b/zha/application/platforms/__init__.py
index c9525a33..0092f2f8 100644
--- a/zha/application/platforms/__init__.py
+++ b/zha/application/platforms/__init__.py
@@ -56,6 +56,7 @@ class BaseEntityInfo:
     platform: str
     class_name: str
     translation_key: str | None
+    translation_placeholders: dict[str, str] | None
     device_class: str | None
     state_class: str | None
     entity_category: str | None
@@ -117,6 +118,7 @@ class BaseEntity(LogMixin, EventBase):
     _attr_fallback_name: str | None = None
     _attr_icon: str | None = None
     _attr_translation_key: str | None = None
+    _attr_translation_placeholders: dict[str, str] | None = None
     _attr_entity_category: EntityCategory | None = None
     _attr_entity_registry_enabled_default: bool = True
     _attr_device_class: str | None = None
@@ -205,6 +207,13 @@ def translation_key(self) -> str | None:
             return self._attr_translation_key
         return None
 
+    @property
+    def translation_placeholders(self) -> dict[str, str] | None:
+        """Return the translation placeholders."""
+        if hasattr(self, "_attr_translation_placeholders"):
+            return self._attr_translation_placeholders
+        return None
+
     @property
     def entity_category(self) -> EntityCategory | None:
         """Return the entity category."""
@@ -258,6 +267,7 @@ def info_object(self) -> BaseEntityInfo:
             class_name=self.__class__.__name__,
             fallback_name=self.fallback_name,
             translation_key=self.translation_key,
+            translation_placeholders=self.translation_placeholders,
             device_class=self.device_class,
             state_class=self.state_class,
             entity_category=self.entity_category,
diff --git a/zha/zigbee/device.py b/zha/zigbee/device.py
index af0202a2..09cb8511 100644
--- a/zha/zigbee/device.py
+++ b/zha/zigbee/device.py
@@ -908,6 +908,11 @@ def _apply_entity_metadata_changes(self, entity: PlatformEntity) -> None:
             if meta.new_translation_key is not None:
                 entity._attr_translation_key = meta.new_translation_key
 
+            if meta.new_translation_placeholders is not None:
+                entity._attr_translation_placeholders = (
+                    meta.new_translation_placeholders
+                )
+
             if meta.new_device_class is not None:
                 entity._attr_device_class = meta.new_device_class
 

From 7a339a11b16c63d022c93e98f626c8bc8f5ddf57 Mon Sep 17 00:00:00 2001
From: TheJulianJES <TheJulianJES@users.noreply.github.com>
Date: Fri, 10 Oct 2025 17:07:39 +0200
Subject: [PATCH 2/2] Remove `hasattr` check for `self.
 _attr_translation_placeholders`

---
 zha/application/platforms/__init__.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/zha/application/platforms/__init__.py b/zha/application/platforms/__init__.py
index 0092f2f8..06d30a23 100644
--- a/zha/application/platforms/__init__.py
+++ b/zha/application/platforms/__init__.py
@@ -210,9 +210,7 @@ def translation_key(self) -> str | None:
     @property
     def translation_placeholders(self) -> dict[str, str] | None:
         """Return the translation placeholders."""
-        if hasattr(self, "_attr_translation_placeholders"):
-            return self._attr_translation_placeholders
-        return None
+        return self._attr_translation_placeholders
 
     @property
     def entity_category(self) -> EntityCategory | None: