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import PyPDF2 | |
import nltk | |
import random | |
import streamlit as st | |
from langchain_openai import OpenAI | |
# Download NLTK data (if not already downloaded) | |
nltk.download('punkt') | |
# LangChain OpenAI wrapper | |
openai = OpenAI(api_key="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") | |
def extract_text_from_pdf(pdf_file): | |
pdf_reader = PyPDF2.PdfReader(pdf_file) | |
text = "" | |
for page_num in range(len(pdf_reader.pages)): | |
text += pdf_reader.pages[page_num].extract_text() | |
return text | |
def generate_mcqs_on_topic(text, topic, num_mcqs=5): | |
# Tokenize the text into sentences | |
sentences = nltk.sent_tokenize(text) | |
# Randomly select sentences to create Questions | |
selected_sentences = random.sample(sentences, min(num_mcqs, len(sentences))) | |
mcqs = [] | |
for sentence in selected_sentences: | |
# Use ChatGPT for interactive question generation | |
chatgpt_question = generate_question_with_chatgpt(sentence, topic) | |
mcqs.append(chatgpt_question) | |
return mcqs | |
def generate_question_with_chatgpt(context, topic): | |
# Initializing the default value | |
generated_question = { | |
'content': "Unable to generate a question..", | |
'options': [], # assuming options is a list | |
'correct_answer': "Unknown" | |
} | |
data = { | |
"model": "gpt-3.5-turbo", | |
"temperature": 0.7, | |
"max_tokens": 1024, | |
"messages": [ | |
{"role": "system", "content": "You are a helpful assistant."}, | |
{"role": "user", "content": f"What is the question on {topic} for the following? {context}"}, | |
], | |
} | |
response = openai.chat.completions.create(data) | |
result = response.json() | |
print("API Response:", result) # Add this line for debugging | |
if 'choices' in result: | |
# Extract the generated question, options, and correct answer from the response | |
generated_question = { | |
'content': result["choices"][0]["message"]["content"], | |
'options': result["choices"][0]["message"].get("options", []), | |
'correct_answer': result["choices"][0]["message"].get("correct_answer", "Unknown") | |
} | |
else: | |
print("Unexpected API response format.") | |
return generated_question | |
def main(): | |
# Title of the Application | |
st.header("🤖CB Quiz Generator🧠", divider='rainbow') | |
st.subheader("☕CoffeeBeans☕") | |
# User input | |
pdf_file = st.file_uploader("Upload PDF Document:", type=["pdf"]) | |
num_mcqs = st.number_input("Enter Number of MCQs to Generate:", min_value=1, step=1, value=5) | |
topic = st.text_input("Enter the Topic in which the quiz has to be generated") | |
# Button to trigger QUIZ generation | |
if st.button("Generate Quiz"): | |
if pdf_file: | |
text = extract_text_from_pdf(pdf_file) | |
mcqs = generate_mcqs_on_topic(text, topic, num_mcqs) | |
# Display the generated Questions | |
st.success(f"Generated {num_mcqs} Questions:") | |
for i, generated_question in enumerate(mcqs, start=1): | |
st.write(f"\nQuestion {i}: {generated_question['content']}") | |
st.write(f"Options: {', '.join(generated_question['options'])}") | |
st.write(f"Correct Answer: {generated_question['correct_answer']}") | |
else: | |
st.error("Please upload a PDF document.") | |
if __name__ == "__main__": | |
main() | |