class Agent(Thread):
    def __init__(self, url):
        Thread.__init__(self)
        self.url = url

    def run(self):
	response = urllib2.urlopen(url)
	print float(response.read())/0.00062137

class MetarReader:

	def __init__(self, Config):
		self.myConfig = Config
		self.visibility_m = self.myConfig.visMaxHighLevel

	def getVisibility(self):
		self.PlaneLat = XPLMFindDataRef("sim/flightmodel/position/latitude")
		self.PlaneLon = XPLMFindDataRef("sim/flightmodel/position/longitude")
		latitude = XPLMGetDataf(self.PlaneLat)
		longitude = XPLMGetDataf(self.PlaneLon)
		url="http://openvfr.freyt.de/openWeather/getMetar.php?lat="+str(latitude)+"&lon="+str(longitude)+"&out=visibility_statute_mi"
		#print str(url)
		#response = urllib2.urlopen(url)
		#self.visibility_m = float(response.read())/0.00062137
		print "METAR: visibility_m:" + str(self.visibility_m)

	        t = Agent(url)
	        t.start()