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import streamlit as st
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import requests
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API_URL = "http://127.0.0.1:8000"
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st.title("📄 AI Chatbot for PDF")
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uploaded_file = st.file_uploader("Upload your PDF", type=["pdf"])
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if uploaded_file:
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files = {"file": uploaded_file.getvalue()}
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response = requests.post(f"{API_URL}/upload-pdf/", files=files)
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if response.status_code == 200:
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st.success("PDF processed successfully!")
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else:
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st.error("Failed to process PDF.")
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query = st.text_input("Ask a question from the PDF")
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if st.button("Ask"):
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if query:
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payload = {"question": query}
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response = requests.post(f"{API_URL}/chat/", json=payload)
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if response.status_code == 200:
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answer = response.json()["response"]
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st.markdown(f"**Answer:**\n\n{answer}")
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else:
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st.error("Error retrieving answer.")
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