app.py

from flask import Flask,url_for,redirect,render_template
import pandas as pd
import joblib
from forms import InputForm
app = Flask(__name__)

app.config['SECRET_KEY']="this_is_a_key"
model=joblib.load("model.joblib")


@app.route('/')
@app.route('/home')
def home():
    return render_template("home.html", title ="Home")

@app.route('/predict', methods =['GET','POST'])
def predict():
    form = InputForm()
    if form.validate_on_submit():
        x_new = pd.DataFrame(dict(
            airline=[form.airline.data],
            date_of_journey = [form.date_of_journey.data.strftime("%Y-%m-%d")],
            source =[form.source.data],
            destination =[form.destination.data],
            dep_time = [form.dep_time.data.strftime("%H:%M:%S")],
            arrival_time =[form.arrival_time.data.strftime("%H:%M:%S")],
            duration =[form.duration.data],
            total_stops =[form.total_stops.data],
            additional_info =[form.additional_info.data]
        ))
        prediction=model.predict(x_new)[0]
        message= f"The predicted price is {prediction:,.0f} for your journey"
    else:
        message=f"OOPs something went wrong"
    return render_template("predict.html", title ="Predict" , form=form , output = message)

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