def testProbeForResponse(self): # Tests retrieval from server, parsing, and # conversion of XML to Python dictionary. url = 'http://www.google.com' response = probeForResponse( url ) #print( response ) self.assertTrue( response != None )
def main():
"""
Connect to the OneBusAway server and
perform certain behaviors.
"""
global currLat
global currLong
readCommandLineArgs()
# Get all possible regions
regionOptionsURL = "http://regions.onebusaway.org/regions-v3.xml"
regionServerResponse = probeForResponse( regionOptionsURL )
regionDict = convertToDict( regionServerResponse )
regionsList = BusWorker.makeRegions( regionDict )
# Determines if user location is supported by the server
user_region = BusWorker.getRegionFromCoordinates(regionsList, currLat, currLong)
if( user_region == None ):
print("Your location is not supported,", end=" ")
print("or you live in a region without bus services!")
sys.exit()
serverURL = user_region.getRegionURL()
# Get API key for OBA
OBA_APIKey = getAPIKey( "keys/OBA_API.key" )
# Get all bus stops near input location
nearbyStopURL = serverURL + "api/where/stops-for-location.xml?key=" + \
OBA_APIKey + "&lat=" + str(currLat) + "&lon=" + str(currLong)
serverResponse = probeForResponse( nearbyStopURL )
stopDict = convertToDict( serverResponse )
# Store nearest stop information
try:
allStops = BusWorker.makeStops( stopDict )
except AssertionError as x:
print( x )
sys.exit()
# Display bus stops
chosenStopNdx = BusWorker.displayBusStops( allStops )
print()
print("--> You chose bus stop:")
print(allStops[chosenStopNdx])
# Get arrival information for a stop
stopURL = serverURL + "where/arrivals-and-departures-for-stop/" + \
allStops[chosenStopNdx].getStopID() + ".xml?key=" + OBA_APIKey
timeServerResponse = probeForResponse( stopURL )
timeDict = convertToDict( timeServerResponse )
# Get route for chosen stop
try:
allRoutes = BusWorker.makeRoutes( timeDict )
except AssertionError as x:
print( x )
sys.exit()
# Display bus routes
chosenRouteNdx = BusWorker.displayBusRoutes( allRoutes )
chosenStop = allStops[chosenStopNdx]
stopLat = chosenStop.getLat()
stopLong = chosenStop.getLong()
# API Key for Google Maps
GOOGLE_APIKey = getAPIKey( "keys/GOOGLE_API.key")
distanceTimeURL = "https://maps.googleapis.com/maps/api/distancematrix/xml?" + \
"origins=" + str(currLat) + "," + str(currLong) + "&destinations=" + \
str(stopLat) + "," + str(stopLong) + "&mode=walking" + "&key=" + str(GOOGLE_APIKey)
googleResponse = probeForResponse( distanceTimeURL )
googleDict = convertToDict( googleResponse )
print()
print("----------------------- RESULTS -----------------------")
print()
print( "--> You are at location (" + str(currLat) + "," + str(currLong) + "), which is at address:" )
print( "\t" + str(googleDict['origin_address']) )
print( "--> The bus stop is at location (" + str( stopLat ) + \
"," + str( stopLong ) + "), which is at address:" )
print( "\t" + str(googleDict['destination_address']) )
print()
curTime = makeEpochReadable( int(timeDict['currentTime']) )
print( "--> The current time is:\t" + str(curTime) )
arriv = int( allRoutes[chosenRouteNdx].getArrivalTime() )
busArrivalTime = makeEpochReadable( arriv )
print( "--> The bus will arrive at:\t" + str(busArrivalTime) )
print()
# Time information in seconds
busArrivalInterval = hmsToSeconds( str(busArrivalTime - curTime) )
getToBusInterval = int( googleDict['row']['element']['duration']['value'] )
print( "--> The bus will arrive in " + str( int(busArrivalInterval / 60) ) + " mins")
print( "--> It will take you " + str( googleDict['row']['element']['duration']['text']) + \
" to walk to the bus stop.")
# Print out final results
if( getToBusInterval > ( busArrivalInterval + 60 ) ):
print( "--> You probably won't make it in time! :(")
elif ( (getToBusInterval >= (busArrivalInterval - 60)) and
(getToBusInterval <= (busArrivalInterval + 60)) ):
print( "--> It's a close one, you may or may not make it!!! :O")
else:
print( "--> You'll make it in time! :)")