sentiment_analysis/main.py

from flask import Flask, request, render_template
import joblib

app = Flask(__name__)
model = joblib.load(open("model/sentiment_model.pkl", "rb"))
vectorizer = joblib.load(open("model/vectorizer.pkl", "rb"))

@app.route('/')
def home():
    return render_template('index.html')

@app.route('/predict', methods=['POST'])
def predict():
    text = request.form['user_text']
    text_vector = vectorizer.transform([text])
    prediction = model.predict(text_vector)[0]
    proba = model.predict_proba(text_vector)
    sentiment = prediction
    return render_template('index.html', sentiment=sentiment, neg_proba=proba[0][0], posi_proba=proba[0][1],
     user_input=text)

if __name__ == '__main__':
    app.run(host="0.0.0.0", port=8080, debug=True)