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src/app.py
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import streamlit as st
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import os
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from langchain_groq import ChatGroq
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.chains.combine_documents import create_stuff_documents_chain
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from langchain_core.prompts import ChatPromptTemplate
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from langchain.chains import create_retrieval_chain
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from langchain_community.vectorstores import FAISS
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from langchain_community.document_loaders import PyPDFDirectoryLoader
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from langchain_google_genai import GoogleGenerativeAIEmbeddings
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from dotenv import load_dotenv
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from PDFprocess_sample import process_pdf
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# Loading GROQ and Google API
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load_dotenv()
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GROQ_API_KEY = os.getenv('GROQ_API_KEY')
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os.environ["GOOGLE_API_KEY"]= os.getenv('GOOGLE_API_KEY')
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#Loading CSS files
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def load_css(file_name):
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with open(file_name) as f:
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css = f.read()
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st.markdown(f"<style>{css}</style>", unsafe_allow_html=True)
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load_css('CSS/style.css')
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#setting up LLM
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llm = ChatGroq(
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api_key=GROQ_API_KEY,
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model_name="Llama3-8b-8192"
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)
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prompt = ChatPromptTemplate.from_template(
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"""
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Answer the questions based on the provided context only.
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Please provide the most accurate response based on the question. Try to answer in detail in 1500 words
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<context>
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{context}
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<context>
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Questions: {input}
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"""
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)
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input_method = st.sidebar.selectbox("Choose a method" , ["Choose input method...","Interact with Doc", "Get Ques from Doc"])
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st.sidebar.title("Upload your pdf")
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main_placeholder = st.empty()
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#Document upload
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uploaded_file = st.sidebar.file_uploader("_____________________________________", type="pdf", accept_multiple_files=True)
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st.sidebar.write("Press Submit to process:")
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process = st.sidebar.button("Submit")
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#Document processing to convert it into vectors
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if process:
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if uploaded_file:
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# Process the uploaded PDF file
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process_pdf(uploaded_file)
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else:
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st.warning("Please upload a PDF file.")
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if input_method == "Choose input method...":
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st.title(f"Welcome You all!")
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st.title("Choose an option in the sidebar")
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st.title("Now, let's get started!")
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#If User wants to interact with the document
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elif input_method == "Interact with Doc":
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st.title(f"let's Interact with pdf's")
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prompt1 = st.text_input("______", placeholder="Enter your Question")
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# Generate response if question is entered
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if prompt1 and "vectors" in st.session_state:
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document_chain = create_stuff_documents_chain(llm, prompt)
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retriever = st.session_state.vectors.as_retriever()
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retrieval_chain = create_retrieval_chain(retriever, document_chain)
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response = retrieval_chain.invoke({'input': prompt1})
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# st.write(response['answer'])
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#Get the respose in the card
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st.markdown(
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f"""
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<div class="card">
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<div class="response">{response['answer']}</div>
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</div>
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""",
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unsafe_allow_html=True,
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)
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#When User wants to get questions from the doc based on certain topic
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elif input_method == "Get Ques from Doc":
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st.title(f"Let's Get Ques from Document")
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prompt2 = """Based on the topic of {topic},
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kindly provide a comprehensive list of all possible questions that could arise.
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For each question, provide detailed and explanatory answers in atleast 1000 words detail based on the context,
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ensuring that the responses are as informative as possible.
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make sure you strictly follow the {topic}"""
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topic = st.text_input("Enter a topic", placeholder="What is your topic")
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# Generate response if question is entered
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if topic and "vectors" in st.session_state:
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document_chain = create_stuff_documents_chain(llm, prompt)
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retriever = st.session_state.vectors.as_retriever()
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retrieval_chain = create_retrieval_chain(retriever, document_chain)
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response = retrieval_chain.invoke({'input': prompt2})
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#Get the respose in the card
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st.markdown(
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f"""
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<div class="card">
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<div class="response">{response['answer']}</div>
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</div>
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""",
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unsafe_allow_html=True,
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)
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