app.py

from flask import Flask, render_template, request, url_for
from flask_bootstrap import Bootstrap
from textblob import TextBlob, Word
import random
import time

app = Flask(__name__)
Bootstrap(app)   #adding bootstrap to the app.

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

#semtiment analysis method
@app.route('/analyse',methods=['POST'])
def analyse():
    start = time.time()
    if request.method=='POST':
        rawText = request.form['rawText']
        blob = TextBlob(rawText)
        received_text = blob 
        blob_sentiment, blob_subjectivity = blob.sentiment.polarity,blob_subjectivity
        number_of_tokens = len(list(blob.words))
        nouns = list()
        for word, tag in blob.tags:
            if tag== 'NN':
                nouns.append(word.lemmatize())
                len_of_words = len(nouns)
                rand_words = random.sample(nouns, len(nouns))
                final_word = list()

                for item in rand_words:
                    word = Word(item).pluralize
                    final_word.append(word)
                    summary = final_word
                    end = time.time()
                    final_time = end-start

    return render_template('index.html',received_text= received_text, number_of_tokens=number_of_tokens, blob_sentiment=blob_sentiment, blob_subjectivity = blob_subjectivity, summary = summary, final_time= final_time)