Ignore delayed heating valve setpoints - values set by user in the last two seconds

function/modules.py

 from function.helpers import day_state
 import logging
 import task
+import time
 
 try:
     from config import APP_NAME as ROOT_LOGGER_NAME
     AWAY_REDUCTION = 5
     SUMMER_TEMPERATURE = 5
 
+    class value_timeout_list(object):
+        MAX_DELAY = 3
+
+        def __init__(self):
+            self.__data__ = []
+            self.__time__ = []
+
+        def __cleanup__(self):
+            now = time.time()
+            for i, tm in enumerate(self.__time__):
+                if tm + self.MAX_DELAY < now:
+                    del (self.__data__[i])
+                    del (self.__time__[i])
+
+        def new(self, item):
+            self.__cleanup__()
+            self.__data__.append(item)
+            self.__time__.append(time.time())
+
+        def is_valid_value(self, data):
+            self.__cleanup__()
+            return data not in self.__data__
+
     def __init__(self, heating_valve, default_temperature, **kwargs):
         self.heating_valve = heating_valve
         self.default_temperature = default_temperature
         #
+        self.valve_value = self.value_timeout_list()
+        #
         super().__init__({
             self.KEY_USER_TEMPERATURE_SETPOINT: kwargs.get(self.KEY_USER_TEMPERATURE_SETPOINT, self.default_temperature),
             self.KEY_TEMPERATURE_SETPOINT: kwargs.get(self.KEY_TEMPERATURE_SETPOINT, self.default_temperature),
         self.set(self.KEY_TEMPERATURE_SETPOINT, data)
 
     def set_heating_setpoint(self, device, key, data):
+        self.valve_value.new(data)
         self.heating_valve.set_heating_setpoint(data)
 
     def get_radiator_setpoint(self, device, key, data):
-        if self[self.KEY_BOOST_TIMER] == 0 and not self[self.KEY_AWAY_MODE] and not self[self.KEY_SUMMER_MODE]:
-            self.set(self.KEY_USER_TEMPERATURE_SETPOINT, data, block_callback=[self.set_heating_setpoint])
+        if self.valve_value.is_valid_value(data):
+            if self[self.KEY_BOOST_TIMER] == 0 and not self[self.KEY_AWAY_MODE] and not self[self.KEY_SUMMER_MODE]:
+                self.set(self.KEY_USER_TEMPERATURE_SETPOINT, data, block_callback=[self.set_heating_setpoint])
 
     def get_radiator_temperature(self, device, key, data):
         self.set(self.KEY_TEMPERATURE_CURRENT, data)