def event_stream():
#TODO: Get these inputs from client:
city = "IUB"
#Buses whose coordinates
listColloquialBusNumbers = ['3 College Mall / Bradford Place','6 Campus Shuttle - Fri','6 Limited', '9 IU Campus / College Mall / Campus Corner', 'A Route', 'B Route', 'C Route', 'D Route']
#target location coordinates
targetCoordinates = (39.17159402400064, -86.51633620262146) #10th St Bloomington, IN 47408
alertDistance = 0.3 #miles
#Create constans object to fetch all constant values
constantsObject = Constants()
constantsObject.load_constants("constants.json")
#Create bus operations object
busOperationsObject = BusOperations(constantsObject, city)
#Create route object
routeObject = Route(constantsObject, city)
#Create a map of actual to colloquial bus numbers
map_actual_bus_numbers_to_colloquial_bus_numbers = routeObject.get_colloquial_bus_numbers_from_actual_bus_numbers()
#Make a list of bus objects
listOfActualBusNumbers = routeObject.get_actual_bus_numbers(listColloquialBusNumbers)
#Create bus objects
listOfBusObjects = [] #Stores list of all bus objects
for actualNumber in listOfActualBusNumbers:
busObject = Bus(constantsObject)
busObject.set_actual_number(actualNumber)
listOfBusObjects.append(busObject)
flag = True
while flag:
#gevent.sleep(2) #sleep for 2 second before updating status of each bus to avoid overloading servers with requests
listOfBusObjects = busOperationsObject.updateBusStatus(listOfBusObjects)
#check which buses are approaching, then track them or show them or whatever
for bus in listOfBusObjects:
status = bus.getBusMovementAgainstTarget(targetCoordinates)
if status == constantsObject.APPROACHING:
status = "APPROACHING"
elif status == constantsObject.LEAVING:
status = "LEAVING"
else:
status = "STOPPED"
data = map_actual_bus_numbers_to_colloquial_bus_numbers[bus.get_actual_number()]," :",status, " is at distance: ",str(bus.getBusDistanceFromTarget(targetCoordinates))," miles"
printableData = " ".join(data)
gevent.sleep(2) #sleep for 2 second before updating status of each bus to avoid overloading servers with requests
if status == "APPROACHING" and bus.getBusDistanceFromTarget(targetCoordinates) <= alertDistance:
printableData = "ALERT! bus: "+str(map_actual_bus_numbers_to_colloquial_bus_numbers[bus.get_actual_number()])+" is near"
#print type(printableData)
#print printableData
yield 'data: %s\n\n' % printableData
def pollDistance(self):
#get the actual bus objects from the user specified name list
pprint(self.busList)
print '-'*20
listOfActualBusNumbers = self.routeObject.get_actual_bus_numbers(self.busList)
print '-'*20
pprint(listOfActualBusNumbers)
#Create bus objects
listOfBusObjects = [] #Stores list of all bus objects
for actualNumber in listOfActualBusNumbers:
busObject = Bus(self.constantsObject)
busObject.set_actual_number(actualNumber)
listOfBusObjects.append(busObject)
#Create a map of actual to colloquial bus numbers
map_actual_bus_numbers_to_colloquial_bus_numbers = self.routeObject.get_colloquial_bus_numbers_from_actual_bus_numbers()
while True:
time.sleep(2) #sleep for 2 second before updating status of each bus
listOfBusObjects = self.busOperationsObject.updateBusStatus(listOfBusObjects)
#check which buses are approaching, then track them or show them or whatever
for bus in listOfBusObjects:
status = bus.getBusMovementAgainstTarget(self.targetCoordinates)
if status == self.constantsObject.APPROACHING:
status = "APPROACHING"
elif status == self.constantsObject.LEAVING:
status = "LEAVING"
else:
status = "STOPPED"
currentDist = bus.getBusDistanceFromTarget(self.targetCoordinates)
if currentDist <= 0.4:
#send notification & remove it from the list
#TODO sending notification to the client
listOfBusObjects.remove(bus)
yield bus.get_colloquial_number()
print map_actual_bus_numbers_to_colloquial_bus_numbers[bus.get_actual_number()]," :",status, \
" is at distance: ",bus.getBusDistanceFromTarget(self.targetCoordinates)," miles"
#Create a map of actual to colloquial bus numbers
map_actual_bus_numbers_to_colloquial_bus_numbers = routeObject.get_colloquial_bus_numbers_from_actual_bus_numbers()
print "-"*50
print map_actual_bus_numbers_to_colloquial_bus_numbers
print '-'*50
#Make a list of bus objects
listColloquialBusNumbers = ['3 College Mall / Bradford Place','6 Limited','9 Limited']
listOfActualBusNumbers = routeObject.get_actual_bus_numbers(listColloquialBusNumbers)
print "Colloquial no:",listColloquialBusNumbers
print "Actual nos:",listOfActualBusNumbers
#Create bus objects
listOfBusObjects = [] #Stores list of all bus objects
for actualNumber in listOfActualBusNumbers:
busObject = Bus(constantsObject)
busObject.set_actual_number(actualNumber)
listOfBusObjects.append(busObject)
while True:
time.sleep(2) #sleep for 2 second before updating status of each bus
listOfBusObjects = busOperationsObject.updateBusStatus(listOfBusObjects)
#check which buses are approaching, then track them or show them or whatever
for bus in listOfBusObjects:
status = bus.getBusMovementAgainstTarget(targetCoordinates)
if status == constantsObject.APPROACHING:
status = "APPROACHING"
elif status == constantsObject.LEAVING:
status = "LEAVING"
else:
status = "STOPPED"
print map_actual_bus_numbers_to_colloquial_bus_numbers[bus.get_actual_number()]," :",status, " is at distance: ",bus.getBusDistanceFromTarget(targetCoordinates)," miles"
