Suppress domain and all listeners during template rate limit (#42005)

homeassistant/helpers/event.py

@@ -1,5 +1,6 @@
 """Helpers for listening to events."""
 import asyncio
+import copy
 from dataclasses import dataclass
 from datetime import datetime, timedelta
 import functools as ft
@@ -820,6 +821,8 @@ class _TrackTemplateResultInfo:
             if not _event_triggers_rerender(event, info):
                 return False
 
+            had_timer = self._rate_limit.async_has_timer(template)
+
             if self._rate_limit.async_schedule_action(
                 template,
                 _rate_limit_for_event(event, info, track_template_),
@@ -829,7 +832,7 @@ class _TrackTemplateResultInfo:
                 (track_template_,),
                 True,
             ):
-                return False
+                return not had_timer
 
             _LOGGER.debug(
                 "Template update %s triggered by event: %s",
@@ -893,7 +896,14 @@ class _TrackTemplateResultInfo:
         if info_changed:
             assert self._track_state_changes
             self._track_state_changes.async_update_listeners(
-                _render_infos_to_track_states(self._info.values()),
+                _render_infos_to_track_states(
+                    [
+                        _suppress_domain_all_in_render_info(self._info[template])
+                        if self._rate_limit.async_has_timer(template)
+                        else self._info[template]
+                        for template in self._info
+                    ]
+                )
             )
             _LOGGER.debug(
                 "Template group %s listens for %s",
@@ -1458,3 +1468,13 @@ def _rate_limit_for_event(
 
     rate_limit: Optional[timedelta] = info.rate_limit
     return rate_limit
+
+
+def _suppress_domain_all_in_render_info(render_info: RenderInfo) -> RenderInfo:
+    """Remove the domains and all_states from render info during a ratelimit."""
+    rate_limited_render_info = copy.copy(render_info)
+    rate_limited_render_info.all_states = False
+    rate_limited_render_info.all_states_lifecycle = False
+    rate_limited_render_info.domains = set()
+    rate_limited_render_info.domains_lifecycle = set()
+    return rate_limited_render_info