def main():
appName = "PiAlarm"
alarms = Alarms()
alarms_loaded_at = datetime.now()
lcd = Display.Display()
run_loop = True
while run_loop:
try:
current_time = datetime.now()
alarms.checkAndFire()
display_time = current_time.strftime("%l:%M %p").lower()
lcd.message(display_time, "Yes")
except Exception, e:
logging.exception("Error in main loop")
print str(e)
if (current_time - alarms_loaded_at).total_seconds() > (15 * 60):
alarms.reload()
else:
time.sleep(0.3)
def checkAlarms(self):
'''
runs all the alarm checkers
first gets the previous and current values in a
simple dictionary format to pass to the Alarms class
'''
root = self.doc.getroot()
xmlValsOld = None
if len(root.getchildren()) > 2:
xmlValsOld = root.getchildren()[-2]
xmlValsNew = root.getchildren()[-1]
# first element is the systemInfo node
systemName = root.getchildren()[0].get("name")
oldValues = self.getValuesFromXml(xmlValsOld)
newValues = self.getValuesFromXml(xmlValsNew)
checker = Alarms(oldValues, newValues)
checker.checkForAlarms(systemName)
for alarm in checker.alarms:
node = etree.SubElement(xmlValsNew.alarms, alarm[0])
node._setText(alarm[1])
def getInstance(cls):
if not cls.__instance:
cls.__instance = Alarms()
return cls.__instance