Логика включения-выключения контуров и котла. Конфиг контуров, гистерезис и прочее

contour.py

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+import time
+
+class Contour:
+	EXPIRE_TIME = 120 # sensor value considered expired in 2 minutes
+	CHANGE_FREQ = 600 # change of state allowed after 10 minutes
+
+	current_value = None
+	value_time = 0
+	state = None
+	state_change_time = 0
+
+	def __init__(self, config, logger):
+		self.sensor_topic = config['sensor']
+		self.out_topic = config['control']
+		self.logger = logger
+
+	def update(self, value):
+		self.current_value = value
+		self.value_time = time.time()
+
+	def get_value(self):
+		if (time.time() - self.value_time <= self.EXPIRE_TIME):
+			return self.current_value
+		return None
+	
+	def check_state(self, state_value):
+		if self.state == state_value:
+			return
+		if (self.state is None) or (time.time() - self.state_change_time > self.CHANGE_FREQ):
+			self.state = state_value
+			self.logger.info("Contour " + self.sensor_topic + " changed state to " + str(self.state))
+