#version 3.0
 
import zbar
import sys
 
class QRCode():
 
    data = None
    proc = None
    scanner = None
 
    def qr_handler(self,proc,image,closure):
        # extract results
        for symbol in image:
            if not symbol.count:
                self.data = symbol.data
 
    def __init__(self):
        self.proc = zbar.Processor()
        self.scanner = zbar.ImageScanner()
        self.scanner.parse_config('enable')
 
        self.proc.init("/dev/video0")
        self.proc.set_data_handler(self.qr_handler)
        self.proc.visible = False
#display cam window if True,  hide if False
        self.proc.active = True
 
    def get_data(self):
        self.proc.process_one()
        return(self.data)
 
#if(QRCode().get_data() == "test"):
#	print "DATA IS test"
 
data = QRCode().get_data()
if (data == "test"):
	print "data is test"
 
elif (data == "EXIT"):
	print "data is EXIT"
	sys.exit()
 
# blue LEDS
 
elif (data == "LEDBlueON"):
	print ("Data is LEDBlueON")
 
elif (data == "LEDBlueOFF"):
	print ("Data is LEDBlueOFF")
 
# Green LEDS
 
elif (data == "LEDGreenON"):
	print ("Data is LEDGreenON")
 
elif (data == "LEDGreenOFF"):
	print ("Data is LEDGreenOFF")
 
# Red LEDS
 
elif (data == "LEDRedON"):
	print ("Data is LEDBRedN")
 
elif (data == "LEDRedOFF"):
	print ("Data is LEDRedOFF")
 
# Yellow LEDs
 
elif (data == "LEDYellowON"):
	print ("Data is LEDYellowON")
 
elif (data == "LEDYellowOFF"):
	print ("Data is LEDYellowOFF")
 
# All ON
 
elif (data == "LEDSON"):
	print ("Data is LEDSON")
 
# ALL OFF
 
elif (data == "LEDSOFF"):
	print ("Data is LEDOFF")
 
#if(__name__ == "__main__"):
 #  print QRCode().get_data()