# Humidifier script
#
# This script will "smartify" a dumb Humidifier when used with
# Temp/Humidity sensor(s) and a smart plug.
#
# Sensors we want to watch
# Can be anywhere from just 1 to as many as you happen to have in the room
humidity_sensors = [
 'sensor.h5075_515e_humidity',
 'sensor.h5075_002d_humidity',
 'sensor.h5177_72aa_humidity',
]
# The Smart Plug that can turn on/off the Humidifier
plug = 'switch.office_humidifier'
# The low humidity value in which when below, the Humidifier should be on
LOW_HUMIDITY_THRESHOLD = 37.0
# The high humidity value in which when above, the Humidifier should be off
HIGH_HUMIDITY_THRESHOLD = 42.0
# Default state for Smart Plug, when outside of Humidifier hours
SMART_PLUG_DEFAULT_STATE = "off"
# Hours for when the Humidifier should be running.
HUMIDIFIER_HOURS = "range(sunset - 20min, sunrise + 15min)"
# Humidifier Active Sensor Triggers will be allocated on this array.
_humidifier_active_triggers = []
# Humidifier Nonactive Sensor Triggers will be allocated on this array.
_humidifier_nonactive_triggers = []
def humidifier_active():
 """
 When the Humidifier is Active (during the active hours), determine:
 If the humidity is too low, turn the Humidifier on.
 If the humidity is too high, turn the Humidifier off.
 """
 # Calculate the average humidity over the number of sensors
 avg = 0.0
 for sensor in humidity_sensors:
 avg += float(state.get(sensor))
 avg /= float(len(humidity_sensors))
 log.info(f"Average humidity: {avg}")
 if avg < LOW_HUMIDITY_THRESHOLD:
 if state.get(plug) == "off":
 log.info(f"Office Humidity is too low, turning on Humidifier: {avg}")
 switch.turn_on(entity_id=plug)
 elif avg > HIGH_HUMIDITY_THRESHOLD:
 if state.get(plug) == "on":
 log.info(f"Office Humidity is too high, turning off Humidifier: {avg}")
 switch.turn_off(entity_id=plug)
def humidifier_nonactive():
 """
 When the Humidifier is Nonactive, (outside of the active hours),
 set the Smart plug to whatever value the user wanted defaulted.
 """
 if SMART_PLUG_DEFAULT_STATE == "on":
 if state.get(plug) == "off":
 log.info(f"Humidifier off hours, turning plug on")
 switch.turn_on(entity_id=plug)
 elif SMART_PLUG_DEFAULT_STATE == "off":
 if state.get(plug) == "on":
 log.info(f"Humidifier off hours, turning plug off")
 switch.turn_off(entity_id=plug)
def humidifier_active_factory(sensor_name):
 """
 A factory to set up a given Humidity Sensor while the Humidifier is in
 its active hours
 """
 @time_active(f"{HUMIDIFIER_HOURS}")
 @state_trigger(f"{sensor_name}")
 def humidity_trigger(trigger_type=None, var_name=None, value=None):
 if trigger_type == "state":
 log.info(f"{sensor_name}: {value}")
 humidifier_active()
 # Append the trigger to our global array of them
 _humidifier_active_triggers.append(humidity_trigger)
def humidifier_nonactive_factory(sensor_name):
 """
 A factory to set up a given Humidity Sensor while the Humidifier is in
 its nonactive hours
 """
 @time_active(f"not {HUMIDIFIER_HOURS}")
 @state_trigger(f"{sensor_name}")
 def humidity_trigger(trigger_type=None, var_name=None, value=None):
 if trigger_type == "state":
 log.info(f"{sensor_name}: {value}")
 humidifier_nonactive()
 # Append the trigger to our global array of them
 _humidifier_nonactive_triggers.append(humidity_trigger)
@time_trigger('startup')
def startup_function():
 """
 Set up each Humidity Sensor at startup.
 """
 for sensor in humidity_sensors:
 humidifier_active_factory(sensor)
 humidifier_nonactive_factory(sensor)