Only entity verify state writable once after success unless hass is missing (#118896)

homeassistant/helpers/entity.py

@@ -473,6 +473,10 @@ class Entity(
     # Protect for multiple updates
     _update_staged = False
 
+    # _verified_state_writable is set to True if the entity has been verified
+    # to be writable. This is used to avoid repeated checks.
+    _verified_state_writable = False
+
     # Process updates in parallel
     parallel_updates: asyncio.Semaphore | None = None
 
@@ -986,16 +990,20 @@ class Entity(
                 f"No entity id specified for entity {self.name}"
             )
 
+        self._verified_state_writable = True
+
     @callback
     def _async_write_ha_state_from_call_soon_threadsafe(self) -> None:
         """Write the state to the state machine from the event loop thread."""
-        self._async_verify_state_writable()
+        if not self.hass or not self._verified_state_writable:
+            self._async_verify_state_writable()
         self._async_write_ha_state()
 
     @callback
     def async_write_ha_state(self) -> None:
         """Write the state to the state machine."""
-        self._async_verify_state_writable()
+        if not self.hass or not self._verified_state_writable:
+            self._async_verify_state_writable()
         if self.hass.loop_thread_id != threading.get_ident():
             report_non_thread_safe_operation("async_write_ha_state")
         self._async_write_ha_state()

tests/helpers/test_entity.py

@@ -1662,11 +1662,6 @@ async def test_warn_no_platform(
     ent.entity_id = "hello.world"
     error_message = "does not have a platform"
 
-    # No warning if the entity has a platform
-    caplog.clear()
-    ent.async_write_ha_state()
-    assert error_message not in caplog.text
-
     # Without a platform, it should trigger the warning
     ent.platform = None
     caplog.clear()
@@ -1678,6 +1673,11 @@ async def test_warn_no_platform(
     ent.async_write_ha_state()
     assert error_message not in caplog.text
 
+    # No warning if the entity has a platform
+    caplog.clear()
+    ent.async_write_ha_state()
+    assert error_message not in caplog.text
+
 
 async def test_invalid_state(
     hass: HomeAssistant, caplog: pytest.LogCaptureFixture