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Create app.py
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app.py
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from transformers import pipeline
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from sentence_transformers import SentenceTransformer
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import faiss
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import numpy as np
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import gradio as gr
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# Initialize a free question-answering model from Hugging Face
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question_answerer = pipeline("question-answering", model="distilbert-base-cased-distilled-squad")
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# Load or create data on economic and population growth trends
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documents = [
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{"id": 1, "text": "Global economic growth is projected to slow down due to inflation."},
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{"id": 2, "text": "Population growth in developing countries continues to increase."},
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{"id": 3, "text": "Economic growth in advanced economies is experiencing fluctuations due to market changes."},
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# Add more documents as needed
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]
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# Embed documents for retrieval using SentenceTransformer
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embedder = SentenceTransformer('all-MiniLM-L6-v2') # A lightweight embedding model
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document_embeddings = [embedder.encode(doc['text']) for doc in documents]
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# Convert embeddings to a FAISS index for similarity search
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index = faiss.IndexFlatL2(384) # Dimension of the embeddings
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index.add(np.array(document_embeddings))
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# Define the RAG retrieval function
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def retrieve_documents(query, top_k=3):
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query_embedding = embedder.encode(query).reshape(1, -1)
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distances, indices = index.search(query_embedding, top_k)
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return [documents[i]['text'] for i in indices[0]]
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# Implement the question-answering function with retrieval
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def ask_question(question):
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retrieved_docs = retrieve_documents(question)
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context = " ".join(retrieved_docs)
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answer = question_answerer(question=question, context=context)
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return answer['answer']
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# Create Gradio Interface for the RAG app
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def rag_interface(question):
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answer = ask_question(question)
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return answer
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interface = gr.Interface(
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fn=rag_interface,
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inputs="text",
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outputs="text",
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title="Economic and Population Growth Advisor",
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description="Ask questions related to economic and population growth. This app uses retrieval-augmented generation to provide answers based on relevant documents."
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)
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interface.launch(debug=True)
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streamlit run app.py
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