app.py

from crypt import methods
from distutils.log import debug
from operator import methodcaller
from flask import Flask, render_template, request
from rake_nltk import Rake
# Flask constructor takes the name of 
# current module (__name__) as argument.
app = Flask(__name__)
  

@app.route('/', methods=['POST'])
def rake_extractor():
    """
    Uses Rake to extract the top 5 keywords from a text
    Arguments: text (str)
    Returns: list of keywords (list)
    """
    print(request.method)
    text = request.form['text']
    r = Rake()
    r.extract_keywords_from_text(text)
    return_dict= {}
    return_dict['keywords'] = r.get_ranked_phrases()[:5]
    return return_dict


# main driver function
if __name__ == '__main__':
    app.run(debug=True)