class KhaloClient:
def __init__(self):
self.log = get_logger()
self.start()
def start(self):
self.log.debug("Starting loop")
# count = -1
# while count < 3:
while True:
#count +=1
sleep_for = sleep_time()
self.log.debug(f"Sleeping for {sleep_for} minutes")
sleep(sleep_for * 60)
#sleep(60)
self.log_temps()
self.check_relays()
GPIO.cleanup()
def log_temps(self):
"""
Method is used to log the temperatures to the database, no other actions happen here.
"""
try:
self.log.debug("Attempting to get DB connection")
self.sql = Sql()
except Exception as e:
self.log.error(e, exc_info=True)
return
self.log.debug("DB connection acquired")
# Get all sensors from db
sensors_list = self.sql.get_sensors()
for sensor in sensors_list:
# Get sensor object
s = TemperatureSensor(*sensor)
# Read the sensor
humidity, temperature = ada.read_retry(s.sensor_type, s.gpio)
s.humidity = humidity
s.temperature = (temperature * 1.8 + 32)
if s.humidity:
s.device_online = True
# Commit the data
self.sql.set_reading(s)
# Close connection to the database
self.sql.close()
def check_relays(self):
try:
self.log.debug("Attempting to get DB connection for relays")
self.sql = Sql()
except Exception as e:
self.log.error(e, exc_info=True)
return
self.log.debug("DB connection acquired")
try:
daytime = DaytimeCycle(*self.sql.get_daytime())
except Exception as e:
self.log.error(e, exc_info=True)
return
# We have to check for temps and then for day and night
try:
relays = self.sql.get_relays()
except Exception as e:
self.log.error(e, exc_info=True)
for relay in relays:
r = Relay(*relay)
if r.control == 'light':
self.log.debug(f"Testing {r}")
r = self.set_state(r, daytime)
self.set_gpio(r)
def set_gpio(self, relay):
"""
Method uses the GPIO module to activate a GPIO
"""
self.log.debug("Setting GPIO for usage")
GPIO.setmode(GPIO.BCM)
GPIO.setup(relay.gpio, GPIO.OUT)
self.log.debug("Checking if GPIO needs to be changed")
# Check if the GPIO does not match our state
if GPIO.input(relay.gpio) == relay.relay_state:
self.log.info(
"GPIO does not need to be changed, cleaning then exiting function"
)
#GPIO.cleanup()
return
# If the GPIO is different, then action it
self.log.info(f"Changing {relay} state to {relay.relay_state}")
GPIO.output(relay.gpio, relay.relay_state)
#GPIO.cleanup()
return
def set_state(self, relay, daytime):
"""
This method is used to set the relay_state. The relay_state will be used to action the
relay
"""
state = relay.relay_state
if daytime.daytime:
if relay.daytime:
relay.relay_state = True
self.log.info(f'Set {relay} to True')
else:
relay.relay_state = False
self.log.info(f'Set {relay} to False')
else:
if relay.daytime:
relay.relay_state = False
self.log.info(f'Set {relay} to False')
else:
relay.relay_state = True
self.log.info(f'Set {relay} to True')
if state != relay.relay_state:
self.sql.set_relay_state(relay)
return relay
