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Update app.py
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app.py
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import streamlit as st
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import pickle
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import faiss
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import numpy as np
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from
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embedder
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faiss.
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st.
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import streamlit as st
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import pickle
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import faiss
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import numpy as np
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from sentence_transformers import SentenceTransformer
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from transformers import pipeline
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# Load saved quotes and embeddings from root directory
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with open("quote_embeddings.pkl", "rb") as f:
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quotes, embeddings = pickle.load(f)
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# Initialize embedder and FAISS index
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embedder = SentenceTransformer('all-MiniLM-L6-v2')
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embeddings = embeddings.astype('float32')
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index = faiss.IndexFlatIP(embeddings.shape[1])
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faiss.normalize_L2(embeddings)
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index.add(embeddings)
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# Initialize text generator pipeline
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generator = pipeline('text-generation', model='distilgpt2')
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# Define RAG search function
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def rag_search(query, top_k=3):
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q_emb = embedder.encode([query]).astype('float32')
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faiss.normalize_L2(q_emb)
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scores, indices = index.search(q_emb, top_k)
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context = "\n".join([f"{quotes[i]['quote']} — {quotes[i].get('author','Unknown')}" for i in indices[0]])
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prompt = f"Answer using these quotes:\n{context}\nQuestion: {query}\nAnswer:"
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outputs = generator(prompt, max_length=100, num_return_sequences=1)
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answer = outputs[0]['generated_text'].split('Answer:')[-1].strip()
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return answer
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# Streamlit UI starts here
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st.title("RAG Quote-Based Q&A")
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user_query = st.text_input("Ask a question related to quotes:")
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if user_query:
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with st.spinner("Generating answer..."):
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answer = rag_search(user_query)
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st.markdown("### Answer:")
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st.write(answer)
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