app.py

from flask import Flask, request, render_template
from flask_cors import cross_origin
import pickle
import pandas as pd

app = Flask(__name__, template_folder='template')
model = pickle.load(open("flight_rf2.pkl", "rb"))



@app.route("/")
@cross_origin()
def home():
    return render_template("home.html")




@app.route("/predict", methods = ["GET", "POST"])
@cross_origin()
def predict():
    if request.method == "POST":

        # Date_of_Journey
        date_dep = request.form["Dep_Time"]
        Journey_day = int(pd.to_datetime(date_dep, format="%Y-%m-%dT%H:%M").day)
        Journey_month = int(pd.to_datetime(date_dep, format ="%Y-%m-%dT%H:%M").month)
        # print("Journey Date : ",Journey_day, Journey_month)

        # Departure
        Dep_hour = int(pd.to_datetime(date_dep, format ="%Y-%m-%dT%H:%M").hour)
        Dep_min = int(pd.to_datetime(date_dep, format ="%Y-%m-%dT%H:%M").minute)
        # print("Departure : ",Dep_hour, Dep_min)

        # Arrival
        date_arr = request.form["Arrival_Time"]
        Arrival_day = int(pd.to_datetime(date_arr, format="%Y-%m-%dT%H:%M").day)
        Arrival_hour = int(pd.to_datetime(date_arr, format ="%Y-%m-%dT%H:%M").hour)
        Arrival_min = int(pd.to_datetime(date_arr, format ="%Y-%m-%dT%H:%M").minute)
        # print("Arrival : ", Arrival_hour, Arrival_min)
    



        ##Duration
        """
        since the flights are from one point in india to another point india,
        we know the maximum no of days depending on any unforseen circumstances like bad weather, technical faults etc
        it will take for any flights within india is one,
        and  the time provided is structured in 'PM' and 'AM'


        """
        if ('AM' in date_arr and 'PM' in date_dep):
            if(Arrival_day-Journey_day)==1:
                dur_min= (abs((Arrival_hour+12)-(Dep_hour))*60) + (Arrival_min-Dep_min) 
            else:
                dur_min=0
        elif('PM' in date_arr and 'AM' in date_dep) and (Arrival_day-Journey_day)==0:

            dur_min= (abs((Arrival_hour+12)-(Dep_hour))*60) + (Arrival_min-Dep_min) 
        
        elif ('PM' in date_arr and "PM" in date_dep):
        
              dur_min= (abs(Arrival_hour-Dep_hour)*60) + (Arrival_min-Dep_min)
              #print(int(dur_min))
                  
        elif ("AM" in  date_arr and "AM" in date_dep):
  
            dur_min= (abs(Arrival_hour-Dep_hour)*60) + (Arrival_min-Dep_min)
            #print(int(dur_min))
        elif (Arrival_day-Journey_day)==1:
            dur_min= (abs((Arrival_hour+24)-(Dep_hour))*60) + (Arrival_min-Dep_min) 
        
        elif (Arrival_day-Journey_day)==0:
           dur_min= (abs((Arrival_hour)-(Dep_hour))*60) + (Arrival_min-Dep_min) 
   
        else:
            dur_min=0





    ##    if(Arrival_day-Journey_day)==1:
    ##        dur_min= (abs((Arrival_hour+24)-(Dep_hour))*60) + (abs(Arrival_min-Dep_min) )
    ##    else:
    ##        dur_min= (abs(Arrival_hour-Dep_hour)*60) + (abs(Arrival_min-Dep_min))





        #dur_min= (abs(Arrival_hour-Dep_hour)*60) + (abs(Arrival_min-Dep_min))

        Total_stops = int(request.form["stops"])
        # print(Total_stops)


        airline=request.form['airline']
        if(airline=='Jet Airways'):
            Jet_Airways = 1
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
        

        elif (airline=='IndiGo'):
            Jet_Airways = 0
            IndiGo = 1
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
         

        elif (airline=='Air India'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 1
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
     
            
        elif (airline=='Multiple carriers'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 1
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
             
            
        elif (airline=='SpiceJet'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 1
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
            
            
        elif (airline=='Vistara'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 1
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
        

        elif (airline=='GoAir'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 1
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
            

        elif (airline=='Multiple carriers Premium economy'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 1
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
            

        elif (airline=='Jet Airways Business'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 1
            Vistara_Premium_economy = 0
            

        elif (airline=='Vistara Premium economy'):
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 1
        
            

        else:
            Jet_Airways = 0
            IndiGo = 0
            Air_India = 0
            Multiple_carriers = 0
            SpiceJet = 0
            Vistara = 0
            GoAir = 0
            Multiple_carriers_Premium_economy = 0
            Jet_Airways_Business = 0
            Vistara_Premium_economy = 0
            

        # print(Jet_Airways,
        #     IndiGo,
        #     Air_India,
        #     Multiple_carriers,
        #     SpiceJet,
        #     Vistara,
        #     GoAir,
        #     Multiple_carriers_Premium_economy,
        #     Jet_Airways_Business,
        #     Vistara_Premium_economy)

        # Source
        # Banglore = 0 (not in column)
        Source = request.form["Source"]
        if (Source == 'Delhi'):
            s_Delhi = 1
            s_Kolkata = 0
            s_Mumbai = 0
            s_Chennai = 0
            s_Banglore=0
            

        elif (Source == 'Kolkata'):
            s_Delhi = 0
            s_Kolkata = 1
            s_Mumbai = 0
            s_Chennai = 0
            s_Banglore=0
            

        elif (Source == 'Mumbai'):
            s_Delhi = 0
            s_Kolkata = 0
            s_Mumbai = 1
            s_Chennai = 0
            s_Banglore=0
    

        elif (Source == 'Chennai'):
            s_Delhi = 0
            s_Kolkata = 0
            s_Mumbai = 0
            s_Chennai = 1
            s_Banglore=0

        elif (Source == 'Banglore'):
            s_Delhi = 0
            s_Kolkata = 0
            s_Mumbai = 0
            s_Chennai = 0
            s_Banglore=1



        else:
            s_Delhi = 0
            s_Kolkata = 0
            s_Mumbai = 0
            s_Chennai = 0
            s_Banglore=0
        

        # print(s_Delhi,
        #     s_Kolkata,
        #     s_Mumbai,
        #     s_Chennai,
        #     s_Banglore)

        # Destination
        # Banglore = 0 (not in column)
        Destination= request.form["Destination"]
        if (Destination == 'Cochin'):
            d_Cochin = 1
            d_Delhi = 0
            d_Hyderabad = 0
            d_Kolkata = 0
            d_New_Delhi=0
            d_Banglore=0
        
        elif (Destination == 'Delhi'):
            d_Cochin = 0
            d_Delhi = 1
            d_Hyderabad = 0
            d_Kolkata = 0
            d_New_Delhi=0
            d_Banglore=0
            


        elif (Destination == 'Hyderabad'):
            d_Cochin = 0
            d_Delhi = 0
            d_Hyderabad = 1
            d_Kolkata = 0
            d_New_Delhi=0
            d_Banglore=0

        elif (Destination == 'Kolkata'):
            d_Cochin = 0
            d_Delhi = 0
            d_Hyderabad = 0
            d_Kolkata = 1
            d_New_Delhi=0
            d_Banglore=0

        elif (Destination == 'New_Delhi'):
            d_Cochin = 0
            d_Delhi = 0
            d_Hyderabad = 0
            d_Kolkata = 0
            d_New_Delhi=1
            d_Banglore=0
        
        elif (Destination == 'Banglore'):
            d_Cochin = 0
            d_Delhi = 0
            d_Hyderabad = 0
            d_Kolkata = 0
            d_New_Delhi=0
            d_Banglore=1





        else:
            d_Cochin = 0
            d_Delhi = 0
            d_Hyderabad = 0
            d_Kolkata = 0
            d_New_Delhi=0
            d_Banglore=0
            

        # print(
        #     d_Cochin,
        #     d_Delhi,
        #     d_New_Delhi
        #     d_Hyderabad,
        #     d_Kolkata)
        

    #     ['Total_Stops', 'Journey_day', 'Journey_month', 'Dep_hour',
    #    'Dep_min', 'Arrival_hour', 'Arrival_min', 'Duration_hours',
    #    'Duration_mins', 'Airline_Air India', 'Airline_GoAir', 'Airline_IndiGo',
    #    'Airline_Jet Airways', 'Airline_Jet Airways Business',
    #    'Airline_Multiple carriers',
    #    'Airline_Multiple carriers Premium economy', 'Airline_SpiceJet',
    #    'Airline_Trujet', 'Airline_Vistara', 'Airline_Vistara Premium economy',
    #    'Source_Chennai', 'Source_Delhi', 'Source_Kolkata', 'Source_Mumbai',
    #    'Destination_Cochin', 'Destination_Delhi', 'Destination_Hyderabad',
    #    'Destination_Kolkata', 'Destination_New Delhi']
        
        prediction=model.predict([[
            Total_stops,
            Journey_day,
            Journey_month,
            Dep_hour,
            Dep_min,
            Arrival_hour,
            Arrival_min,
            dur_min,
            Air_India,
            GoAir,
            IndiGo,
            Jet_Airways,
            Jet_Airways_Business,
            Multiple_carriers,
            Multiple_carriers_Premium_economy,
            SpiceJet,
            Vistara,
            Vistara_Premium_economy,
            s_Chennai,
            s_Delhi,
            s_Kolkata,
            s_Mumbai,
            s_Banglore,
            d_Cochin,
            d_Delhi,
            d_Hyderabad,
            d_Kolkata,
            d_New_Delhi,
            d_Banglore
        ]])

        output=round(prediction[0],2)

        return render_template('home.html',prediction_text="Your Flight price is Rs. {}".format(output))


    return render_template("home.html")




#if __name__ == "__main__":
#    app.run(debug=True, host='0.0.0.0', port=9696)




##app = Flask('flight_prediction')

##@app.route('/', methods=['GET'])
##def ping():
##    return "Pinging Mode Application"



if __name__== '__main__':
    app.run(debug=True)





    """   
        def new_duration(Arr_day, Journ_day, dep_hour, dep_min, Arr_hour, Arr_min ):

        
            if (Arr_day-Journ_day)==1:

                 dep = int(dep_hour)*60 + int(dep_min)
                 arr= int(Arr_hour)*60 +  int(Arr_min) + 24*60 
                 dep1=  abs(arr-dep)
                 print(int(dep1))
            elif (Arr_day-Journ_day)==0:
        
                  dep = (dep_hour*60) +(dep_min)
                  arr= (Arr_hour*60) +(Arr_min)
                  dep2= abs(arr-dep)
                  print(int(dep2))

        # Duration
        dur_min = new_duration(Arrival_day, Journey_day, Dep_hour, Dep_min, Arrival_hour, Arrival_min)
    """
        # print("Duration : ", dur_hour, dur_min)