app.py

from flask import Flask, jsonify, request
import json


app = Flask(__name__)


'''
Takes a list of keywords and
returns the similarity
'''


def similiarity(keywords1, keywords2):
    counter = 0
    for word in keywords1:
        if word in keywords2:
            counter += 2
    return 1.0*counter/(len(keywords1) + len(keywords2))


'''
Takes a string of text that represents a question and store it
also compare the string to all existing strings
'''


@app.rout('/getText', methods=['POST', 'GET'])
def getText():
    # compare text to all strings
    # questions.json stores all the questions
    # key is the question and value is the list of keywords
    if request.method == 'POST':
        question = json.dumps(request.json['question'])
        # EXTRACT KEYWORDS FROM question
        keywords = []
        with open('questions.json') as f:
            quest = json.loads(f)

        for questionToCompare in quest:
            s = similiarity(keywords, quest[questionToCompare])
            if s > 0.5:
                # we need to return a positive count
                return {"count": 1}
        # at this point the question is new
        quest[question] = keywords
        with open('questions.json', 'w') as f:
            json.dump(quest, f)
        return {"count": 0}


if __name__ == '__main__':
    app.run(host='0.0.0.0', port=80)