Version 1.0 ready (#1)

* FEAT: Basic app completed & file uploading added

* Added pdf/txt support and quiz template

* FEAT: PDF/TEXT uploading and getting file contents done

* Updated .gitignore

* Modified quiz template

* Fix UI - Added CSS to upload page

* Feat Quiz UI - Added CSS to Quiz Page

* Feat: Question Extraction - Extract questions from raw text

* Feat: added incorrect answer generation

* Feat: Tied together question extraction and incorrect anwer generation

* Fix: handle word not in vocabulary error

* Fix: added document as argument to get_questions_dict

* Feat: Integrated uploading file and question generation; needs fixes

* Feat Quiz UI - added correct answer UI

* Feat: Clean text for better processing

* Fix UI - added gradient and spacing

* Feat UI - Added uploading animation

* Fixed options issue on quiz screen

* Fix UI - added fonts, favicon etc

* Fix - Formatted code

* Feat UI - added fork me on github ribbon

* Feat: Added quiz result functionality

* Fix UI - added text to landing page

* Fix UI - added CSS to submit button

* Feat UI - added CSS to results page

Co-authored-by: user86 <kshitij.kotasthane@gmail.com>
Co-authored-by: telescopic <vigneshsuresh1775@gmail.com>

.gitignore

@@ -0,0 +1,141 @@
+# Do not upload folder, auto created at each run
+pdf/
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

README.md

@@ -1,4 +1,4 @@
-# Fantastic-Falcons-1.0
+# MLH Quizzet
 
 This is a smart Quiz Generator that generates a dynamic quiz from any uploaded text/PDF document using NLP. This can be used for self-analysis, question paper generation, and evaluation, thus reducing human effort.
 
@@ -21,6 +21,7 @@ This is a smart Quiz Generator that generates a dynamic quiz from any uploaded t
 
 ## Technology Stack:
 
+
 <img src="https://img.shields.io/badge/html5%20-%23E34F26.svg?&style=for-the-badge&logo=html5&logoColor=white"/> <img src="https://img.shields.io/badge/css3%20-%231572B6.svg?&style=for-the-badge&logo=css3&logoColor=white"/> <img src="https://img.shields.io/badge/javascript%20-%23323330.svg?&style=for-the-badge&logo=javascript&logoColor=%23F7DF1E"/> <img src="https://img.shields.io/badge/python%20-%2314354C.svg?&style=for-the-badge&logo=python&logoColor=white"/> <img src="https://img.shields.io/badge/flask%20-%23000.svg?&style=for-the-badge&logo=flask&logoColor=white"/> <img src="https://img.shields.io/badge/bootstrap%20-%23563D7C.svg?&style=for-the-badge&logo=bootstrap&logoColor=white"/> <img src="https://img.shields.io/badge/github%20-%23121011.svg?&style=for-the-badge&logo=github&logoColor=white"/> <img src ="https://img.shields.io/badge/sqlite-%2307405e.svg?&style=for-the-badge&logo=sqlite&logoColor=white"/>
 
 - **Frontend**: HTML, CSS, Vanilla JS
@@ -107,6 +108,12 @@ $ python app.py
 | 2.    | Kshitij Kotasthane | Backend Developer  | [@kshitij86](https://github.com/kshitij86)           |
 | 3.    | Vignesh S          | ML                 | [@telescopic](https://github.com/telescopic)         |
 
+
+<br>
+<br>
+
+![Fantastic Falcons](https://user-images.githubusercontent.com/42115530/95672625-0aef1880-0bc0-11eb-8db6-90f6e16af2c0.gif)
+
 ## Contributors ✨
 
 Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):

app.py

@@ -0,0 +1,72 @@
+import os
+from flask import Flask, render_template, redirect, url_for
+from flask.globals import request
+from werkzeug.utils import secure_filename
+from workers import pdf2text, txt2questions
+
+# Constants
+UPLOAD_FOLDER = './pdf/'
+
+
+# Init an app object
+app = Flask(__name__)
+app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
+
+# Global quiz object
+questions = dict()
+
+
+@ app.route('/')
+def index():
+    """ The landing page for the app """
+    return render_template('index.html')
+
+
+@ app.route('/quiz', methods=['GET', 'POST'])
+def quiz():
+    """ Handle upload and conversion of file + other stuff """
+
+    UPLOAD_STATUS = False
+
+    # Make directory to store uploaded files, if not exists
+    if not os.path.isdir('./pdf'):
+        os.mkdir('./pdf')
+
+    if request.method == 'POST':
+        try:
+            # Retrieve file from request
+            uploaded_file = request.files['file']
+            file_path = os.path.join(
+                app.config['UPLOAD_FOLDER'],
+                secure_filename(
+                    uploaded_file.filename))
+            file_exten = uploaded_file.filename.rsplit('.', 1)[1].lower()
+
+            # Save uploaded file
+            uploaded_file.save(file_path)
+            # Get contents of file
+            uploaded_content = pdf2text(file_path, file_exten)
+            questions = txt2questions(uploaded_content)
+
+            # File upload + convert success
+            if uploaded_content is not None:
+                UPLOAD_STATUS = True
+        except Exception as e:
+            print(e)
+    return render_template(
+        'quiz.html',
+        uploaded=UPLOAD_STATUS,
+        questions=questions,
+        size=len(questions))
+
+
+@app.route('/result', methods=['POST', 'GET'])
+def result():
+    correct_q = 0
+    for k, v in request.form.items():
+        correct_q += 1
+    return render_template('result.html', total=5, correct=correct_q)
+
+
+if __name__ == "__main__":
+    app.run(debug=True)

incorrect_answer_generation.py

@@ -0,0 +1,61 @@
+''' This module contains the class
+for generating incorrect alternative
+answers for a given answer
+'''
+import gensim
+import gensim.downloader as api
+from gensim.models import Word2Vec
+from nltk.tokenize import sent_tokenize, word_tokenize
+import random
+import numpy as np
+
+
+class IncorrectAnswerGenerator:
+    ''' This class contains the methods
+    for generating the incorrect answers
+    given an answer
+    '''
+
+    def __init__(self, document):
+        # model required to fetch similar words
+        self.model = api.load("glove-wiki-gigaword-100")
+        self.all_words = []
+        for sent in sent_tokenize(document):
+            self.all_words.extend(word_tokenize(sent))
+        self.all_words = list(set(self.all_words))
+
+    def get_all_options_dict(self, answer, num_options):
+        ''' This method returns a dict
+        of 'num_options' options out of
+        which one is correct and is the answer
+        '''
+        options_dict = dict()
+        try:
+            similar_words = self.model.similar_by_word(answer, topn=15)[::-1]
+
+            for i in range(1, num_options + 1):
+                options_dict[i] = similar_words[i - 1][0]
+
+        except BaseException:
+            self.all_sim = []
+            for word in self.all_words:
+                if word not in answer:
+                    try:
+                        self.all_sim.append(
+                            (self.model.similarity(answer, word), word))
+                    except BaseException:
+                        self.all_sim.append(
+                            (0.0, word))
+                else:
+                    self.all_sim.append((-1.0, word))
+
+            self.all_sim.sort(reverse=True)
+
+            for i in range(1, num_options + 1):
+                options_dict[i] = self.all_sim[i - 1][1]
+
+        replacement_idx = random.randint(1, num_options)
+
+        options_dict[replacement_idx] = answer
+
+        return options_dict

question_extraction.py

@@ -0,0 +1,199 @@
+'''This file contains the module for generating
+'''
+import nltk
+import spacy
+from nltk.corpus import stopwords
+from nltk.tokenize import sent_tokenize, word_tokenize
+from sklearn.feature_extraction.text import TfidfVectorizer
+
+
+class QuestionExtractor:
+    ''' This class contains all the methods
+    required for extracting questions from
+    a given document
+    '''
+
+    def __init__(self, num_questions):
+
+        self.num_questions = num_questions
+
+        # hash set for fast lookup
+        self.stop_words = set(stopwords.words('english'))
+
+        # named entity recognition tagger
+        self.ner_tagger = spacy.load('en_core_web_md')
+
+        self.vectorizer = TfidfVectorizer()
+
+        self.questions_dict = dict()
+
+    def get_questions_dict(self, document):
+        '''
+        Returns a dict of questions in the format:
+        question_number: {
+            question: str
+            answer: str
+        }
+
+        Params:
+            * document : string
+        Returns:
+            * dict
+        '''
+        # find candidate keywords
+        self.candidate_keywords = self.get_candidate_entities(document)
+
+        # set word scores before ranking candidate keywords
+        self.set_tfidf_scores(document)
+
+        # rank the keywords using calculated tf idf scores
+        self.rank_keywords()
+
+        # form the questions
+        self.form_questions()
+
+        return self.questions_dict
+
+    def get_filtered_sentences(self, document):
+        ''' Returns a list of sentences - each of
+        which has been cleaned of stopwords.
+        Params:
+                * document: a paragraph of sentences
+        Returns:
+                * list<str> : list of string
+        '''
+        sentences = sent_tokenize(document)  # split documents into sentences
+
+        return [self.filter_sentence(sentence) for sentence in sentences]
+
+    def filter_sentence(self, sentence):
+        '''Returns the sentence without stopwords
+        Params:
+                * sentence: A string
+        Returns:
+                * string
+        '''
+        words = word_tokenize(sentence)
+        return ' '.join(w for w in words if w not in self.stop_words)
+
+    def get_candidate_entities(self, document):
+        ''' Returns a list of entities according to
+        spacy's ner tagger. These entities are candidates
+        for the questions
+
+        Params:
+                * document : string
+        Returns:
+                * list<str>
+        '''
+        entities = self.ner_tagger(document)
+        entity_list = []
+
+        for ent in entities.ents:
+            entity_list.append(ent.text)
+
+        return list(set(entity_list))  # remove duplicates
+
+    def set_tfidf_scores(self, document):
+        ''' Sets the tf-idf scores for each word'''
+        self.unfiltered_sentences = sent_tokenize(document)
+        self.filtered_sentences = self.get_filtered_sentences(document)
+
+        self.word_score = dict()  # (word, score)
+
+        # (word, sentence where word score is max)
+        self.sentence_for_max_word_score = dict()
+
+        tf_idf_vector = self.vectorizer.fit_transform(self.filtered_sentences)
+        feature_names = self.vectorizer.get_feature_names()
+        tf_idf_matrix = tf_idf_vector.todense().tolist()
+
+        num_sentences = len(self.unfiltered_sentences)
+        num_features = len(feature_names)
+
+        for i in range(num_features):
+            word = feature_names[i]
+            self.sentence_for_max_word_score[word] = ""
+            tot = 0.0
+            cur_max = 0.0
+
+            for j in range(num_sentences):
+                tot += tf_idf_matrix[j][i]
+
+                if tf_idf_matrix[j][i] > cur_max:
+                    cur_max = tf_idf_matrix[j][i]
+                    self.sentence_for_max_word_score[word] = self.unfiltered_sentences[j]
+
+            # average score for each word
+            self.word_score[word] = tot / num_sentences
+
+    def get_keyword_score(self, keyword):
+        ''' Returns the score for a keyword
+        Params:
+            * keyword : string of possible several words
+        Returns:
+            * float : score
+        '''
+        score = 0.0
+        for word in word_tokenize(keyword):
+            if word in self.word_score:
+                score += self.word_score[word]
+        return score
+
+    def get_corresponding_sentence_for_keyword(self, keyword):
+        ''' Finds and returns a sentence containing
+        the keywords
+        '''
+        words = word_tokenize(keyword)
+        for word in words:
+
+            if word not in self.sentence_for_max_word_score:
+                continue
+
+            sentence = self.sentence_for_max_word_score[word]
+
+            all_present = True
+            for w in words:
+                if w not in sentence:
+                    all_present = False
+
+            if all_present:
+                return sentence
+        return ""
+
+    def rank_keywords(self):
+        '''Rank keywords according to their score'''
+        self.candidate_triples = []  # (score, keyword, corresponding sentence)
+
+        for candidate_keyword in self.candidate_keywords:
+            self.candidate_triples.append([
+                self.get_keyword_score(candidate_keyword),
+                candidate_keyword,
+                self.get_corresponding_sentence_for_keyword(candidate_keyword)
+            ])
+
+        self.candidate_triples.sort(reverse=True)
+
+    def form_questions(self):
+        ''' Forms the question and populates
+        the question dict
+        '''
+        used_sentences = list()
+        idx = 0
+        cntr = 1
+        num_candidates = len(self.candidate_triples)
+        while cntr <= self.num_questions and idx < num_candidates:
+            candidate_triple = self.candidate_triples[idx]
+
+            if candidate_triple[2] not in used_sentences:
+                used_sentences.append(candidate_triple[2])
+
+                self.questions_dict[cntr] = {
+                    "question": candidate_triple[2].replace(
+                        candidate_triple[1],
+                        '_' * len(candidate_triple[1])),
+                    "answer": candidate_triple[1]
+                }
+
+                cntr += 1
+            idx += 1

question_generation_main.py

@@ -0,0 +1,56 @@
+'''This module ties together the
+questions generation and incorrect answer
+generation modules
+'''
+from question_extraction import QuestionExtractor
+from incorrect_answer_generation import IncorrectAnswerGenerator
+import re
+from nltk import sent_tokenize
+
+
+class QuestionGeneration:
+    '''This class contains the method
+    to generate questions
+    '''
+
+    def __init__(self, num_questions, num_options):
+        self.num_questions = num_questions
+        self.num_options = num_options
+        self.question_extractor = QuestionExtractor(num_questions)
+
+    def clean_text(self, text):
+        text = text.replace('\n', ' ')  # remove newline chars
+        sentences = sent_tokenize(text)
+        cleaned_text = ""
+        for sentence in sentences:
+            # remove non alphanumeric chars
+            cleaned_sentence = re.sub(r'([^\s\w]|_)+', '', sentence)
+
+            # substitute multiple spaces with single space
+            cleaned_sentence = re.sub(' +', ' ', cleaned_sentence)
+            cleaned_text += cleaned_sentence
+
+            if cleaned_text[-1] == ' ':
+                cleaned_text[-1] = '.'
+            else:
+                cleaned_text += '.'
+
+            cleaned_text += ' '  # pad with space at end
+        return cleaned_text
+
+    def generate_questions_dict(self, document):
+        document = self.clean_text(document)
+        self.questions_dict = self.question_extractor.get_questions_dict(
+            document)
+        self.incorrect_answer_generator = IncorrectAnswerGenerator(document)
+
+        for i in range(1, self.num_questions + 1):
+            if i not in self.questions_dict:
+                continue
+            self.questions_dict[i]["options"] \
+                = self.incorrect_answer_generator.get_all_options_dict(
+                self.questions_dict[i]["answer"],
+                self.num_options
+            )
+
+        return self.questions_dict

requirements.txt

@@ -0,0 +1,39 @@
+blis==0.4.1
+catalogue==1.0.0
+certifi==2020.6.20
+chardet==3.0.4
+click==7.1.2
+cymem==2.0.3
+en-core-web-md @ https://github.com/explosion/spacy-models/releases/download/en_core_web_md-2.3.1/en_core_web_md-2.3.1.tar.gz
+en-core-web-sm @ https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-2.3.1/en_core_web_sm-2.3.1.tar.gz
+Flask==1.1.2
+gensim==3.8.3
+idna==2.10
+importlib-metadata==2.0.0
+itsdangerous==1.1.0
+Jinja2==2.11.2
+joblib==0.17.0
+MarkupSafe==1.1.1
+murmurhash==1.0.2
+nltk==3.5
+numpy==1.19.2
+pkg-resources==0.0.0
+plac==1.1.3
+preshed==3.0.2
+PyPDF2==1.26.0
+regex==2020.9.27
+requests==2.24.0
+scikit-learn==0.23.2
+scipy==1.5.2
+six==1.15.0
+sklearn==0.0
+smart-open==3.0.0
+spacy==2.3.2
+srsly==1.0.2
+thinc==7.4.1
+threadpoolctl==2.1.0
+tqdm==4.50.2
+urllib3==1.25.10
+wasabi==0.8.0
+Werkzeug==1.0.1
+zipp==3.3.0

static/css/quiz.css

@@ -0,0 +1,105 @@
+@import url("https://fonts.googleapis.com/css2?family=Open+Sans&display=swap");
+html {
+  box-sizing: border-box;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+
+html,
+body {
+  position: relative;
+  overflow-x: hidden !important;
+}
+
+body {
+  user-select: none;
+  margin: 0;
+  padding: 0;
+  counter-reset: points;
+  background-color: #77aa77;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 2 1'%3E%3Cdefs%3E%3ClinearGradient id='a' gradientUnits='userSpaceOnUse' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%2377aa77'/%3E%3Cstop offset='1' stop-color='%234fd'/%3E%3C/linearGradient%3E%3ClinearGradient id='b' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3ClinearGradient id='c' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='2' y2='2'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect x='0' y='0' fill='url(%23a)' width='2' height='1'/%3E%3Cg fill-opacity='0.5'%3E%3Cpolygon fill='url(%23b)' points='0 1 0 0 2 0'/%3E%3Cpolygon fill='url(%23c)' points='2 1 2 0 0 0'/%3E%3C/g%3E%3C/svg%3E");
+  background-attachment: fixed;
+  background-size: cover;
+  font-family: "helvetica", sans-serif !important;
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+section {
+  padding-top: 150px;
+}
+
+main {
+  -webkit-box-shadow: 0 10px 6px -6px #777;
+  -moz-box-shadow: 0 10px 6px -6px #777;
+  box-shadow: 0 10px 6px -6px #777;
+  color: #000000;
+  background: #ffffff;
+  border-radius: 10px;
+  padding: 50px 40px 50px;
+  width: 95%;
+  max-width: 590px;
+  margin: auto;
+}
+
+.text-container {
+  text-align: center;
+}
+
+input[type="radio"] {
+  display: none;
+}
+
+input[type="radio"] + label {
+  display: inline-block;
+  width: 100%;
+  padding: 10px;
+  border: 1px solid #ddd;
+  margin-bottom: 10px;
+  cursor: pointer;
+}
+
+input[type="radio"] + label:hover {
+  border: 1px solid #000000;
+}
+
+input[type="radio"]:checked + label {
+  background-image: none;
+  background-color: #0c0;
+  color: #fff;
+  border: 1px solid #0c0 !important;
+  -webkit-transition: all 0.2s ease-in-out;
+  -moz-transition: all 0.2s ease-in-out;
+  -o-transition: all 0.2s ease-in-out;
+  -ms-transition: all 0.2s ease-in-out;
+  transition: all 0.2s ease-in-out;
+}
+
+.worngans {
+  background-color: #f36;
+  color: #fff;
+  border: 1px solid #f36 !important;
+  -webkit-transition: all 0.2s ease-in-out;
+  -moz-transition: all 0.2s ease-in-out;
+  -o-transition: all 0.2s ease-in-out;
+  -ms-transition: all 0.2s ease-in-out;
+  transition: all 0.2s ease-in-out;
+}
+
+.end {
+  margin: auto;
+}
+
+.button.is-fullwidth {
+  display: flex;
+  width: 50%;
+  margin: auto;
+  margin-top: 30px;
+}

static/css/results.css

@@ -0,0 +1,57 @@
+@import url("https://fonts.googleapis.com/css2?family=Open+Sans&display=swap");
+html {
+  box-sizing: border-box;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+
+html,
+body {
+  position: relative;
+  overflow-x: hidden !important;
+}
+
+body {
+  user-select: none;
+  margin: 0;
+  padding: 0;
+  counter-reset: points;
+  background-color: #77aa77;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 2 1'%3E%3Cdefs%3E%3ClinearGradient id='a' gradientUnits='userSpaceOnUse' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%2377aa77'/%3E%3Cstop offset='1' stop-color='%234fd'/%3E%3C/linearGradient%3E%3ClinearGradient id='b' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3ClinearGradient id='c' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='2' y2='2'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect x='0' y='0' fill='url(%23a)' width='2' height='1'/%3E%3Cg fill-opacity='0.5'%3E%3Cpolygon fill='url(%23b)' points='0 1 0 0 2 0'/%3E%3Cpolygon fill='url(%23c)' points='2 1 2 0 0 0'/%3E%3C/g%3E%3C/svg%3E");
+  background-attachment: fixed;
+  background-size: cover;
+  font-family: "helvetica", sans-serif !important;
+}
+
+a {
+  text-decoration: none;
+  color: inherit;
+}
+
+section {
+  padding-top: 150px;
+}
+
+main {
+  -webkit-box-shadow: 0 10px 6px -6px #777;
+  -moz-box-shadow: 0 10px 6px -6px #777;
+  box-shadow: 0 10px 6px -6px #777;
+  color: #000000;
+  background: #ffffff;
+  border-radius: 10px;
+  padding: 30px 40px 30px;
+  width: 95%;
+  max-width: 590px;
+  margin: auto;
+}
+
+.button.is-fullwidth {
+  display: flex;
+  width: 90%;
+  margin: auto;
+  margin-top: 30px;
+}

static/css/style.css

@@ -0,0 +1,173 @@
+@import url("https://fonts.googleapis.com/css2?family=Open+Sans&display=swap");
+html,
+body {
+  display: flex;
+  height: 100%;
+  width: 100%;
+  align-items: center;
+  justify-content: center;
+  background-color: #77aa77;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 2 1'%3E%3Cdefs%3E%3ClinearGradient id='a' gradientUnits='userSpaceOnUse' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%2377aa77'/%3E%3Cstop offset='1' stop-color='%234fd'/%3E%3C/linearGradient%3E%3ClinearGradient id='b' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3ClinearGradient id='c' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='2' y2='2'%3E%3Cstop offset='0' stop-color='%23cf8' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23cf8' stop-opacity='1'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect x='0' y='0' fill='url(%23a)' width='2' height='1'/%3E%3Cg fill-opacity='0.5'%3E%3Cpolygon fill='url(%23b)' points='0 1 0 0 2 0'/%3E%3Cpolygon fill='url(%23c)' points='2 1 2 0 0 0'/%3E%3C/g%3E%3C/svg%3E");
+  background-attachment: fixed;
+  background-size: cover;
+  font-family: "helvetica", sans-serif !important;
+  overflow-x: hidden !important;
+}
+
+.card {
+  border-radius: 10px;
+  margin-top: 50px !important;
+  height: 350px !important;
+  width: 250px;
+  margin: auto;
+}
+
+.card.has-text-centered .card-header,
+.card.has-text-centered .card-content,
+.card.has-text-centered .card-footer {
+  justify-content: center;
+  align-items: center;
+}
+
+.card.has-text-centered h1 {
+  font-size: 1.75rem;
+  font-weight: bold;
+}
+
+.navbar {
+  margin-bottom: 20px !important;
+}
+
+.hide {
+  display: none;
+}
+
+.button {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  width: 12.5rem;
+  margin: 0;
+  padding: 1.5rem 3.125rem;
+  background-color: #3498db;
+  border: none;
+  border-radius: 0.3125rem;
+  box-shadow: 0 12px 24px 0 rgba(0, 0, 0, 0.2);
+  color: white;
+  font-weight: 400;
+  overflow: hidden;
+  font-family: "Open Sans", sans-serif !important;
+}
+
+.button:before {
+  position: absolute;
+  content: "";
+  bottom: 0;
+  left: 0;
+  width: 0%;
+  height: 100%;
+  background-color: #54d98c;
+}
+
+.button span {
+  position: absolute;
+  line-height: 0;
+}
+
+.button span i {
+  transform-origin: center center;
+}
+
+.button span:nth-of-type(1) {
+  top: 50%;
+  transform: translateY(-50%);
+}
+
+.button span:nth-of-type(2) {
+  top: 100%;
+  transform: translateY(0%);
+  font-size: 24px;
+}
+
+.button span:nth-of-type(3) {
+  display: none;
+}
+
+.active {
+  background-color: #2ecc71;
+}
+
+.active:before {
+  width: 100%;
+  transition: width 30s linear !important;
+}
+
+.active span:nth-of-type(1) {
+  top: -100%;
+  transform: translateY(-50%);
+}
+
+.active span:nth-of-type(2) {
+  top: 50%;
+  transform: translateY(-50%);
+}
+
+.active span:nth-of-type(2) i {
+  animation: loading 10000ms linear infinite !important;
+}
+
+.active span:nth-of-type(3) {
+  display: none;
+}
+
+.finished {
+  background-color: #54d98c;
+}
+
+.finished .submit {
+  display: none;
+}
+
+.finished .loading {
+  display: none;
+}
+
+.finished .check {
+  display: block !important;
+  font-size: 24px;
+  animation: scale 0.5s linear;
+}
+
+.finished .check i {
+  transform-origin: center center;
+}
+
+@keyframes loading {
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+@keyframes scale {
+  0% {
+    transform: scale(10);
+  }
+  50% {
+    transform: scale(0.2);
+  }
+  70% {
+    transform: scale(1.2);
+  }
+  90% {
+    transform: scale(0.7);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+.hero {
+  margin-top: 70px !important;
+}

templates/index.html

@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css" />
+  <link rel="stylesheet" type="text/css" href="{{ url_for('static',filename='css/style.css') }}" />
+  <link rel="shortcut icon" href="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4" type="image/x-icon">
+  <link rel="stylesheet"
+    href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
+  <script src="https://kit.fontawesome.com/22be60108b.js" crossorigin="anonymous"></script>
+  <title>MLH Quizzet</title>
+</head>
+
+<body>
+  <style type="text/css">
+    @font-face {
+      font-family: helvetica;
+      src: "{{ url_for('static', filename='fonts/helvetica.ttf')}}"
+    }
+  </style>
+  <nav class="navbar is-dark is-fixed-top has-text-centered" role="navigation" aria-label="main navigation">
+    <div class="navbar-brand">
+      <img src="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4" height="32" width="64"
+        style="margin: 10px">
+      <a class="navbar-item has-text-centered" href="{{ url_for('index') }}"><strong
+          class="is-size-3 has-text-centered">MLH Quizzet</strong></a>
+      <a class="github-fork-ribbon" href="https://github.com/PragatiVerma18/Fantastic-Falcons-1.0"
+        data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
+      <div class="navbar-burger" data-target="navMenu">
+        <span></span>
+        <span></span>
+        <span></span>
+      </div>
+    </nav>
+    <main role="main">
+          <div class="hero">
+            <p class="is-size-3 has-text-black has-text-weight-bold has-text-centered">Upload any Document to get an instant Quiz</p>
+            <p class="is-size-4 has-text-weight-bold has-text-centered">You Know 📖, You Grow 🚀</p>
+            <p class="is-size-5 has-text-black has-text-weight-medium has-text-centered"> Practice More • Learn More </p>
+          </div>
+      <div class="card has-text-centered">
+        <img src="https://cdn4.iconfinder.com/data/icons/files-and-folders-thinline-icons-set/144/File_PDF-512.png"
+          alt="upload"/>
+        <form action="http://localhost:5000/quiz" method="POST" enctype="multipart/form-data">
+          <div id="file-js-example" class="file has-name is-fullwidth">
+            <label class="file-label">
+              <input class="file-input" type="file" name="file" accept=".txt, application/pdf" />
+              <span class="file-cta">
+                <span class="file-icon">
+                  <i class="fas fa-upload"></i>
+                </span>
+                <span class="file-label"> Choose a file… </span>
+              </span>
+            <span class="file-name"> No file uploaded </span>
+          </label>
+        </div>
+        <script>
+          const fileInput = document.querySelector(
+            "#file-js-example input[type=file]"
+          );
+          fileInput.onchange = () => {
+            if (fileInput.files.length > 0) {
+              const fileName = document.querySelector(
+                "#file-js-example .file-name"
+              );
+              fileName.textContent = fileInput.files[0].name;
+            }
+          };
+        </script>
+        <button class="button has-text-centered is-large is-fullwidth is-dark">
+          <span class="submit has-text-centered" type="submit" name="upload file">Submit</span>
+          <span class="loading"><i class="fa fa-refresh"></i></span>
+          <span class="check"><i class="fa fa-check"></i></span>
+        </button>
+      </form>
+    </div>
+  </main>
+  <script>const button = document.querySelector('.button');
+    const submit = document.querySelector('.submit');
+
+    function toggleClass() {
+      this.classList.toggle('active');
+    }
+
+    function addClass() {
+      this.classList.add('finished');
+    }
+
+    button.addEventListener('click', toggleClass);
+    button.addEventListener('transitionend', toggleClass);
+    button.addEventListener('transitionend', addClass);
+  </script>
+</body>
+
+</html>

templates/quiz.html

@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css" />
+    <link rel="stylesheet" type="text/css" href="{{ url_for('static',filename='css/quiz.css') }}" />
+    <link rel="shortcut icon" href="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4"
+        type="image/x-icon">
+    <link rel="stylesheet"
+        href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
+    <title>MLH Quizzet</title>
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js" type='text/javascript'></script>
+    <script type="text/javascript">
+        $(document).ready(function () {
+            $('label').click(function () {
+                $('label').removeClass('worngans');
+                $(this).addClass('worngans');
+            });
+        });
+    </script>
+</head>
+
+<body>
+    <style type="text/css">
+        @font-face {
+            font-family: helvetica;
+            src: "{{ url_for('static', filename='fonts/helvetica.ttf')}}"
+        }
+    </style>
+    <nav class="navbar is-dark is-fixed-top has-text-centered" role="navigation" aria-label="main navigation">
+        <div class="navbar-brand">
+            <img src="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4" height="32" width="64"
+                style="margin: 7px">
+            <a class="navbar-item has-text-centered" href="{{ url_for('index') }}"><strong
+                    class="is-size-3 has-text-centered">MLH
+                    Quizzet</strong></a>
+            <a class="github-fork-ribbon" href="https://github.com/PragatiVerma18/Fantastic-Falcons-1.0"
+                data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
+            <div class="navbar-burger" data-target="navMenu">
+                <span></span>
+                <span></span>
+                <span></span>
+            </div>
+        </div>
+    </nav>
+    {% if uploaded == true %}
+    <form action="http://localhost:5000/result" method="POST">
+        {% for i in range(size) %}
+        <section class="section-1" id="section-1">
+            <main>
+                <div class="scp-quizzes-main">
+                    <div class="scp-quizzes-data">
+                        <h3 class="is-size-6 has-text-weight-bold">{{ i+1 }}. {{ questions[i+1]['question'] }}</h3>
+                        <br />
+                        {% for op in questions[i+1]['options'] %}
+                        {% if op  == questions[i+1]['answer']  %}
+                        <input type="radio" id="{{ questions[i+1]['answer'] }}" name="question{{ i+1 }}">
+                        <label for="{{ questions[i+1]['answer'] }}">
+                            {{ op }}</label><br />
+                        {% else %}
+                        <input type="radio" name="question{{ i+1 }}">
+                        <label> {{ op }}</label><br />
+                        {% endif %}
+                        {% endfor %}
+                    </div>
+                </div>
+            </main>
+        </section>
+        {% endfor %}
+        <div class="end">
+        <button type="submit" class="button is-dark has-text-weight-bold has-text-centered is-fullwidth is-rounded">Submit</button>
+        </div>
+    </form>
+
+    {% else %}
+    <section class="section-1" id="section-1">
+        <h1>Could not upload file</h1>
+    </section>
+    {% endif %}
+    <div class="has-text-white has-text-centered" style="margin-top: 50px; background-color: #363636; padding: 10px;">
+        MIT License © Copyright 2020 Fantastic Falcons
+    </div>
+</body>
+
+</html>

templates/result.html

@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.1/css/bulma.min.css" />
+    <link rel="stylesheet" type="text/css" href="{{ url_for('static',filename='css/results.css') }}" />
+    <link rel="shortcut icon" href="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4"
+        type="image/x-icon">
+    <link rel="stylesheet"
+        href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
+    <script src="https://kit.fontawesome.com/22be60108b.js" crossorigin="anonymous"></script>
+        <script src="https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.js"></script>
+    <title>MLH Quizzet</title>
+</head>
+
+<body>
+    <style type="text/css">
+        @font-face {
+            font-family: helvetica;
+            src: "{{ url_for('static', filename='fonts/helvetica.ttf')}}"
+        }
+    </style>
+    <nav class="navbar is-dark is-fixed-top has-text-centered" role="navigation" aria-label="main navigation">
+        <div class="navbar-brand">
+            <img src="https://avatars0.githubusercontent.com/u/65834464?s=200&amp;v=4" height="32" width="64"
+                style="margin: 10px">
+            <a class="navbar-item has-text-centered" href="{{ url_for('index') }}"><strong
+                    class="is-size-3 has-text-centered">MLH Quizzet</strong></a>
+            <a class="github-fork-ribbon" href="https://github.com/PragatiVerma18/Fantastic-Falcons-1.0"
+                data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
+            <div class="navbar-burger" data-target="navMenu">
+                <span></span>
+                <span></span>
+                <span></span>
+            </div>
+    </nav>
+        <section class="section-1" id="section-1">
+            <main>
+            <lottie-player src="https://assets3.lottiefiles.com/packages/lf20_0ge4xP.json" background="transparent" speed="1"
+                style="width: 240px; height: 240px; margin: auto !important;" loop  autoplay></lottie-player>
+            <h1 class="has-text-centered is-size-3 has-text-weight-bold"> You got {{ correct }}/{{ total }} right!</h1>
+            <a class="button is-dark has-text-centered has-text-weight-bold is-rounded is-fullwidth" href="{{ url_for('index') }}"> Upload another document</a>
+            </main>
+            </section>
+
+
+        <div class="has-text-white has-text-centered" style="margin-top: 40px; background-color: #363636; padding: 10px;">
+            MIT License © Copyright 2020 Fantastic Falcons
+        </div>
+</body>
+
+</html>

workers.py

@@ -0,0 +1,38 @@
+from PyPDF2 import PdfFileReader
+from question_generation_main import QuestionGeneration
+
+
+def pdf2text(file_path: str, file_exten: str) -> str:
+    """ Converts a given file to text content """
+
+    _content = ''
+
+    # Identify file type and get its contents
+    if file_exten == 'pdf':
+        with open(file_path, 'rb') as pdf_file:
+            _pdf_reader = PdfFileReader(pdf_file)
+            for p in range(_pdf_reader.numPages):
+                _content += _pdf_reader.getPage(p).extractText()
+            # _content = _pdf_reader.getPage(0).extractText()
+            print('PDF operation done!')
+
+    elif file_exten == 'txt':
+        with open(file_path, 'r') as txt_file:
+            _content = txt_file.read()
+            print('TXT operation done!')
+
+    return _content
+
+
+def txt2questions(doc: str, n=5, o=4) -> dict:
+    """ Get all questions and options """
+
+    qGen = QuestionGeneration(n, o)
+    q = qGen.generate_questions_dict(doc)
+    for i in range(len(q)):
+        temp = []
+        for j in range(len(q[i + 1]['options'])):
+            temp.append(q[i + 1]['options'][j + 1])
+        # print(temp)
+        q[i + 1]['options'] = temp
+    return q