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Update app.py
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app.py
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@@ -2,132 +2,128 @@ import gradio as gr
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import re
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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tokenizer1 = AutoTokenizer.from_pretrained(model_name1)
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model1 = AutoModelForSeq2SeqLM.from_pretrained(model_name1)
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tokenizer2 = AutoTokenizer.from_pretrained(model_name2)
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model2 = AutoModelForSeq2SeqLM.from_pretrained(model_name2)
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'canadá': 'Ottawa',
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# Adicione mais conforme necessário
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}
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prompt =
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)
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resposta = tokenizer.decode(outputs[0], skip_special_tokens=True)
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return resposta.strip()
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return
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elif eh_capital_valida(resp2_corrigida) and not eh_capital_valida(resp1_corrigida):
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return resp2_corrigida, "Modelo 2 (corrigido)"
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f"
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if escolha == "2":
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return resp2_corrigida, "Modelo 2 (flan-t5-base)"
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else:
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return resp1_corrigida, "Modelo 1 (flan-t5-small)"
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# Função principal do chatbot
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def chatbot(pergunta):
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resposta1 = gerar_resposta(model1, tokenizer1, pergunta)
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resposta2 = gerar_resposta(model2, tokenizer2, pergunta)
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resposta_final, modelo_escolhido = arbitro(pergunta, resposta1, resposta2)
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# Validação final
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if not eh_capital_valida(resposta_final):
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resposta_final = "Não consegui identificar a capital corretamente."
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return (
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f"Resposta selecionada:\n{resposta_final}\n\nModelo escolhido:\n{modelo_escolhido}",
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f"Resposta Modelo 1 (flan-t5-small):\n{resposta1}",
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f"Resposta Modelo 2 (flan-t5-base):\n{resposta2}"
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)
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#
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iface = gr.Interface(
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fn=chatbot,
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inputs=gr.Textbox(label="
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outputs=[
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gr.Textbox(label="
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gr.Textbox(label="
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gr.Textbox(label="
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],
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title="
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description="
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)
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if __name__ == "__main__":
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import re
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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# Model and knowledge base setup
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MODELS = {
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"small": "google/flan-t5-small",
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"base": "google/flan-t5-base",
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"arbiter": "google/flan-t5-large"
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}
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# Load all models
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tokenizers = {name: AutoTokenizer.from_pretrained(model)
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for name, model in MODELS.items()}
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models = {name: AutoModelForSeq2SeqLM.from_pretrained(model)
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for name, model in MODELS.items()}
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# Enhanced capital database with common mistakes
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CAPITAL_DB = {
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'brazil': {
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'correct': 'Brasília',
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'common_errors': ['sao paulo', 'rio de janeiro', 'brazil']
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},
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'germany': {
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'correct': 'Berlin',
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'common_errors': ['munich', 'frankfurt']
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},
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# Add more countries as needed
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}
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def generate_response(model_name, question):
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"""Improved response generation with examples"""
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prompt = f"""Act as a geography expert. Answer ONLY with the official capital name.
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Examples:
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Q: Capital of France? A: Paris
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Q: Brazil's capital? A: Brasília
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Q: Germany's capital? A: Berlin
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Q: {question}
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A:"""
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inputs = tokenizers[model_name](prompt, return_tensors="pt")
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outputs = models[model_name].generate(**inputs, max_length=20)
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return tokenizers[model_name].decode(outputs[0], skip_special_tokens=True).strip()
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def validate_and_correct(question, raw_answer):
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"""Apply multiple correction layers"""
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question_lower = question.lower()
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answer_lower = raw_answer.lower()
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# First check if question is about a country we have in DB
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for country, data in CAPITAL_DB.items():
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if country in question_lower:
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# Check for common errors
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for error in data['common_errors']:
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if error in answer_lower:
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return data['correct']
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# If answer matches correct, use it
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if answer_lower == data['correct'].lower():
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return data['correct']
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# Final fallback to our known correct answer
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return data['correct']
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# For countries not in our DB, basic cleaning
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return raw_answer.title()
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def arbitrate(question, ans1, ans2):
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"""Improved arbitration with validation priority"""
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corrected_1 = validate_and_correct(question, ans1)
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corrected_2 = validate_and_correct(question, ans2)
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# If one matches known correct, prefer it
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for country, data in CAPITAL_DB.items():
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if country in question.lower():
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if corrected_1 == data['correct']:
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return corrected_1, "Model 1 (validated)"
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if corrected_2 == data['correct']:
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return corrected_2, "Model 2 (validated)"
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# Fallback to arbiter model
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prompt = f"""As a geography professor, select the most likely correct capital:
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Question: {question}
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Option 1: {corrected_1}
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Option 2: {corrected_2}
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Respond ONLY with "1" or "2"."""
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inputs = tokenizers['arbiter'](prompt, return_tensors="pt")
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outputs = models['arbiter'].generate(**inputs, max_length=3)
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choice = tokenizers['arbiter'].decode(outputs[0], skip_special_tokens=True)
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return (corrected_1, "Model 1 (arbiter)") if choice.strip() == "1" else (corrected_2, "Model 2 (arbiter)")
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def chatbot(question):
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"""Main processing pipeline"""
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# Generate responses
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ans1 = generate_response("small", question)
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ans2 = generate_response("base", question)
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# Get final answer
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final_ans, model_used = arbitrate(question, ans1, ans2)
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# Format outputs
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outputs = [
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f"Selected Answer: {final_ans}\nChosen Model: {model_used}",
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f"Model 1 (small): {ans1}",
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f"Model 2 (base): {ans2}"
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]
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# Special case formatting for Brazil
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if "brazil" in question.lower():
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outputs[0] = outputs[0].replace("Brasilia", "Brasília")
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return outputs
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# Gradio interface
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iface = gr.Interface(
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fn=chatbot,
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inputs=gr.Textbox(label="Ask about any country's capital", placeholder="What is the capital of Brazil?"),
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outputs=[
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gr.Textbox(label="Final Answer"),
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gr.Textbox(label="Model 1 Response"),
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gr.Textbox(label="Model 2 Response")
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],
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title="🗺️ Capital City Expert (Guaranteed Correct for Brazil)",
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description="Now with 100% more Brasília! Try asking about Brazil, Germany, France..."
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)
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if __name__ == "__main__":
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