add support for only_on_change in state_trigger

Author: dlashua

custom_components/pyscript/eval.py

@@ -455,7 +455,7 @@ async def do_service_call(func, ast_ctx, data):
         kwarg_check = {
             "task_unique": {"kill_me"},
             "time_active": {"hold_off"},
-            "state_trigger": {"state_hold", "state_check_now"},
+            "state_trigger": {"state_hold", "state_check_now", "only_on_change"},
         }
         for dec_name in trig_args:
             if dec_name not in kwarg_check and "kwargs" in trig_args[dec_name]:

custom_components/pyscript/trigger.py

@@ -538,6 +538,7 @@ def __init__(
         self.state_trigger_kwargs = trig_cfg.get("state_trigger", {}).get("kwargs", {})
         self.state_hold_dur = self.state_trigger_kwargs.get("state_hold", None)
         self.state_check_now = self.state_trigger_kwargs.get("state_check_now", False)
+        self.only_on_change = self.state_trigger_kwargs.get("only_on_change", True)
         self.time_trigger = trig_cfg.get("time_trigger", {}).get("args", None)
         self.event_trigger = trig_cfg.get("event_trigger", {}).get("args", None)
         self.state_active = trig_cfg.get("state_active", {}).get("args", None)
@@ -785,6 +786,12 @@ async def trigger_watch(self):
                 else:
                     func_args = notify_info
 
+                #
+                # check if our value changed and if we want to trigger on non changes
+                #
+                if self.only_on_change and "change" in func_args and not func_args['change']:
+                    continue
+
                 #
                 # now check the state and time active expressions
                 #