def start():
mapper = Mapper()
reducer = Reducer()
# Produce a list of all the airports in a csv file with the headings 'Airport Code', and 'Null'
mapper.setInputFile("./inputFiles/PassengerData.csv")
mapper.setMapFunction(PassengersOnEachFlightUserCode.mapPassengerToFlight)
reducer.setRedFunction(PassengersOnEachFlightUserCode.redCountPassengers)
reducer.setOutputFile("./results/NumberOfPassengersOnEachFlight.csv")
noPassengers = mapper.run()
reducer.run(noPassengers, 'w')
print(":: Task 2 complete")
def start():
mapper = Mapper()
reducer = Reducer()
# Produce a list of all the airports in a csv file with the headings 'Airport Code', and 'Null'
mapper.setInputFile("./inputFiles/PassengerData.csv")
mapper.setMapFunction(FlightInformationUserCode.mapReOrder)
reducer.setRedFunction(FlightInformationUserCode.redCalcFlightInfo)
reducer.setOutputFile(
"./results/ListOfFlightsWithDurationAndAllPassengers.csv")
noPassengers = mapper.run()
reducer.run(noPassengers, 'w')
print(":: Task 3 complete")
def start():
mapper = Mapper()
reducer = Reducer()
mapper.setInputFile("./inputFiles/AComp_Passenger_data.csv")
mapper.setMapFunction(StripErrorsUserCode.mapDuplicates)
reducer.setRedFunction(StripErrorsUserCode.redWrite)
reducer.setOutputFile("./inputFiles/PassengerData.csv")
pairs = mapper.run()
reducer.run(pairs, 'w')
mapper.setInputFile("./inputFiles/PassengerData.csv")
mapper.setMapFunction(StripErrorsUserCode.mapSpelling)
pairs = mapper.run()
reducer.run(pairs, 'w')
def start():
mapper = Mapper()
reducer = Reducer()
# Produce a list of all the airports in a csv file with the headings 'Airport Code', and 'Null'
mapper.setInputFile("./inputFiles/Top30_airports_LatLong.csv")
mapper.setMapFunction(NoOfFlightsFromAirportsUserCode.mapUnusedAirports)
reducer.setRedFunction(NoOfFlightsFromAirportsUserCode.redUnusedAirports)
reducer.setOutputFile("./results/Airports.csv")
unusedAirports = mapper.run()
reducer.run(unusedAirports, 'w')
# Produce a list of all the airports used in the passenger data file in a csv file with the headings 'Airport Code', and 'Number of flights from that airport'
mapper.setInputFile("./inputFiles/PassengerData.csv")
mapper.setMapFunction(NoOfFlightsFromAirportsUserCode.mapUsedAirports)
reducer.setRedFunction(NoOfFlightsFromAirportsUserCode.redUsedAirports)
usedAirports = mapper.run()
reducer.run(usedAirports, 'a')
# Combine the two above results to give a list of all flights from each airport, including those that aren't used
# Heading titles: 'Airport code', 'No. of flights from that airport'
mapper.setMapFunction(NoOfFlightsFromAirportsUserCode.mapMakePairs)
mapper.setInputFile("./results/Airports.csv")
reducer.setOutputFile("./results/NumberOfFlightsFromEachAirport.csv")
allAirports = mapper.run()
reducer.setRedFunction(NoOfFlightsFromAirportsUserCode.redCountFlights)
reducer.run(allAirports, 'w')
print(":: Task 1 complete")
def start():
mapper = Mapper()
reducer = Reducer()
mapper.setInputFile("./inputFiles/PassengerData.csv")
mapper.setMapFunction(CalcDistanceUserCode.mapCalcFlightDistances)
reducer.setRedFunction(CalcDistanceUserCode.redCalcFlightDistance)
reducer.setOutputFile("./results/FlightDistances.csv")
flightDistances = mapper.run()
reducer.run(flightDistances, 'w')
mapper.setInputFile("./results/FlightDistances.csv")
mapper.setMapFunction(CalcDistanceUserCode.mapTotalPassengerDistance)
reducer.setRedFunction(CalcDistanceUserCode.redTotalPassengerDistance)
reducer.setOutputFile(
"./results/TotalDistanceTravelledByEachPassenger.csv")
passengerDistance = mapper.run()
reducer.run(passengerDistance, 'w')
mapper.setInputFile("./results/FlightDistances.csv")
mapper.setMapFunction(CalcDistanceUserCode.mapDistaces)
reducer.setRedFunction(CalcDistanceUserCode.redDistances)
reducer.setOutputFile("./results/DistanceOfEachFlight.csv")
distances = mapper.run()
reducer.run(distances, 'w')
print(":: Task 4 complete")
