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.env

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+GOOGLE_API_KEY="AIzaSyDsQ2F-6XfxuRFUXYFrcG6LSB95Z6xLre8"

app.py

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+import streamlit as st
+from PyPDF2 import PdfReader
+from langchain.text_splitter import RecursiveCharacterTextSplitter
+import os
+from langchain_google_genai import GoogleGenerativeAIEmbeddings
+import google.generativeai as genai
+from langchain.vectorstores import FAISS
+from langchain_google_genai import ChatGoogleGenerativeAI
+from langchain.chains.question_answering import load_qa_chain
+from langchain.prompts import PromptTemplate
+from dotenv import load_dotenv
+from PIL import Image
+import io
+
+# Load environment variables
+load_dotenv()
+os.getenv("GOOGLE_API_KEY")
+genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))
+
+# Global variable for embeddings
+embeddings = GoogleGenerativeAIEmbeddings(model="models/embedding-001")
+
+def get_pdf_text(pdf_docs):
+    text = ""
+    for pdf in pdf_docs:
+        pdf_reader = PdfReader(pdf)
+        for page in pdf_reader.pages:
+            text += page.extract_text()
+    return text
+
+def get_image_text(image_files):
+    # Placeholder function for extracting text from images
+    # Implement OCR or other text extraction methods as needed
+    text = ""
+    for image in image_files:
+        # Simulate text extraction
+        text += "Extracted text from image.\n"
+    return text
+
+def get_text_chunks(text):
+    text_splitter = RecursiveCharacterTextSplitter(chunk_size=10000, chunk_overlap=1000)
+    chunks = text_splitter.split_text(text)
+    return chunks
+
+def get_vector_store(text_chunks):
+    vector_store = FAISS.from_texts(text_chunks, embedding=embeddings)
+    vector_store.save_local("faiss_index")
+
+def load_faiss_index():
+    return FAISS.load_local("faiss_index", embeddings, allow_dangerous_deserialization=True)
+
+def get_conversational_chain():
+    prompt_template = """
+    Answer the question as detailed as possible from the provided context, make sure to provide all the details, if the answer is not in
+    provided context just say, "answer is not available in the context", don't provide the wrong answer\n\n
+    Context:\n {context}?\n
+    Question: \n{question}\n
+
+    Answer:
+    """
+
+    model = ChatGoogleGenerativeAI(model="gemini-pro", temperature=0.3)
+    prompt = PromptTemplate(template=prompt_template, input_variables=["context", "question"])
+    chain = load_qa_chain(model, chain_type="stuff", prompt=prompt)
+    return chain
+
+def user_input(user_question):
+    new_db = load_faiss_index()
+    docs = new_db.similarity_search(user_question)
+    chain = get_conversational_chain()
+    response = chain({"input_documents": docs, "question": user_question}, return_only_outputs=True)
+    print(response)
+    st.write("Reply: ", response["output_text"])
+    st.snow()  # Trigger snowflakes animation after receiving reply
+
+def main():
+    st.set_page_config("Chat with Documents and Images", page_icon="📄")
+    st.header("Chat with Multi Docs and Images 💁")
+
+    user_question = st.text_input("Ask a Question from the PDF Files or Uploaded Images")
+
+    if user_question:
+        user_input(user_question)
+
+    with st.sidebar:
+        st.title("Menu:")
+        
+        pdf_docs = st.file_uploader("Upload your PDF Files", accept_multiple_files=True, type=["pdf"])
+        image_files = st.file_uploader("Upload your Image Files", accept_multiple_files=True, type=["jpg", "jpeg", "png"])
+        
+        if st.button("Submit & Process"):
+            with st.spinner("Processing..."):
+                raw_text = get_pdf_text(pdf_docs) + get_image_text(image_files)
+                text_chunks = get_text_chunks(raw_text)
+                get_vector_store(text_chunks)
+                st.success("Done")
+                st.balloons()  # Trigger balloons animation
+
+if __name__ == "__main__":
+    main()
+

requirements.txt

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+streamlit
+google-generativeai
+python-dotenv
+langchain
+PyPDF2
+chroma
+faiss-cpu
+langchain_google_genai
+langchain_community