Switch async_track_state_change to the faster async_track_state_chang…

…e_event part 7 (home-assistant#37870)

Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>

homeassistant/components/alert/__init__.py

@@ -199,8 +199,8 @@ def __init__(
         self._send_done_message = False
         self.entity_id = f"{DOMAIN}.{entity_id}"
 
-        event.async_track_state_change(
-            hass, watched_entity_id, self.watched_entity_change
+        event.async_track_state_change_event(
+            hass, [watched_entity_id], self.watched_entity_change
         )
 
     @property
@@ -222,9 +222,12 @@ def state(self):
             return STATE_ON
         return STATE_IDLE
 
-    async def watched_entity_change(self, entity, from_state, to_state):
+    async def watched_entity_change(self, ev):
         """Determine if the alert should start or stop."""
-        _LOGGER.debug("Watched entity (%s) has changed", entity)
+        to_state = ev.data.get("new_state")
+        if to_state is None:
+            return
+        _LOGGER.debug("Watched entity (%s) has changed", ev.data.get("entity_id"))
         if to_state.state == self._alert_state and not self._firing:
             await self.begin_alerting()
         if to_state.state != self._alert_state and self._firing:

homeassistant/components/knx/__init__.py

@@ -22,7 +22,7 @@
 from homeassistant.core import callback
 from homeassistant.helpers import discovery
 import homeassistant.helpers.config_validation as cv
-from homeassistant.helpers.event import async_track_state_change
+from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.helpers.script import Script
 
 _LOGGER = logging.getLogger(__name__)
@@ -364,17 +364,22 @@ def async_register(self):
             self.xknx, name=_name, group_address=self.address, value_type=self.type,
         )
         self.xknx.devices.add(self.device)
-        async_track_state_change(self.hass, self.entity_id, self._async_entity_changed)
+        async_track_state_change_event(
+            self.hass, [self.entity_id], self._async_entity_changed
+        )
 
-    async def _async_entity_changed(self, entity_id, old_state, new_state):
+    async def _async_entity_changed(self, event):
         """Handle entity change."""
+        new_state = event.data.get("new_state")
         if new_state is None:
             return
         if new_state.state in (STATE_UNKNOWN, STATE_UNAVAILABLE):
             return
 
         if self.expose_attribute is not None:
             new_attribute = new_state.attributes.get(self.expose_attribute)
+            old_state = event.data.get("old_state")
+
             if old_state is not None:
                 old_attribute = old_state.attributes.get(self.expose_attribute)
                 if old_attribute == new_attribute:

homeassistant/components/zha/entity.py

@@ -4,14 +4,14 @@
 import logging
 from typing import Any, Awaitable, Dict, List, Optional
 
-from homeassistant.core import CALLBACK_TYPE, State, callback
+from homeassistant.core import CALLBACK_TYPE, Event, callback
 from homeassistant.helpers import entity
 from homeassistant.helpers.device_registry import CONNECTION_ZIGBEE
 from homeassistant.helpers.dispatcher import (
     async_dispatcher_connect,
     async_dispatcher_send,
 )
-from homeassistant.helpers.event import async_track_state_change
+from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.helpers.restore_state import RestoreEntity
 
 from .core.const import (
@@ -245,7 +245,7 @@ async def async_added_to_hass(self) -> None:
             signal_override=True,
         )
 
-        self._async_unsub_state_changed = async_track_state_change(
+        self._async_unsub_state_changed = async_track_state_change_event(
             self.hass, self._entity_ids, self.async_state_changed_listener
         )
 
@@ -258,9 +258,7 @@ def send_removed_signal():
         await self.async_update()
 
     @callback
-    def async_state_changed_listener(
-        self, entity_id: str, old_state: State, new_state: State
-    ):
+    def async_state_changed_listener(self, event: Event):
         """Handle child updates."""
         self.async_schedule_update_ha_state(True)
 

pylintrc

@@ -8,7 +8,7 @@ persistent=no
 extension-pkg-whitelist=ciso8601
 
 [BASIC]
-good-names=id,i,j,k,ex,Run,_,fp,T
+good-names=id,i,j,k,ex,Run,_,fp,T,ev
 
 [MESSAGES CONTROL]
 # Reasons disabled: