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app.py
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from cgitb import text
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import streamlit as st
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from dotenv import load_dotenv
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from PyPDF2 import PdfReader
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from langchain_text_splitters import CharacterTextSplitter
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from langchain.embeddings import HuggingFaceInstructEmbeddings
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from langchain.vectorstores import FAISS
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def get_text_chunks(raw_text):
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text_splitter = CharacterTextSplitter(
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separator="\n",
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chunk_size=1000, chunk_overlap=200,
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length_function= len
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)
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chunks = text_splitter.split(text)
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return chunks
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def get_pdf_text(pdf_docs):
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text =""
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for pdf in pdf_docs:
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pdf_reader = PdfReader(pdf)
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for page in pdf_reader.pages:
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text += page.extract_text()
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return text
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def get_vectorestore(text_chunks):
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embeddings =
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return
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def main():
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load_dotenv()
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st.set_page_config(page_title="Chat with your PDFs", page_icon= ":books:")
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st.header("Chat with your PDFs :books:")
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st.text_input("Ask a question about your documents:")
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with st.sidebar:
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st.subheader("Your Documemts")
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pdf_docs = st.file_uploader("Upload your PDFs here", accept_multiple_files= True)
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if st.button("Enter"):
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with st.spinner("Processing"):
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# get pdf text
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raw_text = get_pdf_text(pdf_docs)
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# get text chunks
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text_chunks = get_text_chunks(raw_text)
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# create vector store
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vectorstore = get_vectorstore(text_chunks)
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if __name__ == "__main__":
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main()
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