import sys
import math
from time import sleep, strftime

import Adafruit_DHT
import RPi.GPIO as GPIO

from ubidots import ApiClient


execfile('settings_sensor.py')

api = 0
tempVar = 0
humidVar = 0

#upload to ubidots every 6 measurements (free plan compatible)
uploadEvery =6
iterationCounter = 0

# Load default font.


# Get drawing object to draw on image.

def loadApi():
        global api, tempVar, humidVar
        try:
                #Create an "API" object
                api = ApiClient("5a831f93c03f97362baf4fee")

                #Create a "Variable" object
                tempVar = api.get_variable("5a831fafc03f97362baf4ff8")
                humidVar = api.get_variable("5a831fa3c03f9736655128e0")
        except:


       e = sys.exc_info()[0]
                print "Loading ubidots api failed with exception",e,"... will retry later"
                api=0


while True:
        humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)




        if humidity is not None and temperature is not None:
                print strftime("%Y-%m-%d %H:%M:%S"),'Temp={0:0.1f}*C  Humidity={1:0.1f}%'.format(temperature,$

                if (iterationCounter % uploadEvery == 0):
                        iterationCounter = 1
                        if (api == 0):
                                loadApi()
                        if (api != 0):
                                try:
                                        print "uploading to Ubidots..."
                                        tempVar.save_value({'value':temperature})
                                        humidVar.save_value({'value':humidity})
                                        print "...done"
                                except:
                                        e = sys.exc_info()[0]
                                        print "Exception while connecting to Ubidots:", e
                else:
                        iterationCounter += 1

        else:
                print 'Sensor reading failed. Will try again in the next cycle'




        # sleep for ten seconds
        sleep(10)

        # ...and now show the humidity graph

        # resize humidity value range to screen height

        # Draw a black filled box to clear the image.

        # sleep for another ten seconds
        sleep(10)