Create app.py
Browse files
app.py
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| 1 |
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import os
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import sys
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import pickle
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import torch
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import gradio as gr
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from huggingface_hub import snapshot_download
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# ======================
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# CONFIGURACIÓN REPO HF
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# ======================
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REPO_ID = "teszenofficial/MTP7"
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MODEL_FILE = "mtp_mini.pkl" # Asegúrate de que se llame así en tu repo
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TOKENIZER_FILE = "mtp_tokenizer.model" # Asegúrate de que se llame así en tu repo
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LOCAL_DIR = "mtptz_repo" # Nombre de la carpeta local donde se descarga
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# ======================
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# DESCARGA Y CARGA DEL MODELO
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# ======================
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def load_resources():
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print(f"📦 Descargando modelo desde {REPO_ID}...")
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# 1. Descargar el repositorio a una carpeta local
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repo_path = snapshot_download(
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repo_id=REPO_ID,
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local_dir=LOCAL_DIR
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)
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print(f"✅ Modelo descargado en: {repo_path}")
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# 2. Añadir la ruta al sys.path para poder importar model.py y tokenizer.py desde el repo
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sys.path.insert(0, repo_path)
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try:
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# Intentamos importar las clases desde los archivos descargados en el repo
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from model import MTPMiniModel
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from tokenizer import MTPTokenizer
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except ImportError as e:
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print(f"❌ ERROR: No se pudieron importar 'model' o 'tokenizer'.")
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print(f" Asegúrate de que subiste 'model.py' y 'tokenizer.py' al repo '{REPO_ID}'.")
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raise e
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# 3. Definir rutas completas
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model_path = os.path.join(repo_path, MODEL_FILE)
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tokenizer_path = os.path.join(repo_path, TOKENIZER_FILE)
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# Verificar si existen
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if not os.path.exists(model_path):
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raise FileNotFoundError(f"No se encontró {MODEL_FILE} en el repo.")
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if not os.path.exists(tokenizer_path):
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raise FileNotFoundError(f"No se encontró {TOKENIZER_FILE} en el repo.")
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# 4. Cargar Tokenizer
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tokenizer = MTPTokenizer(tokenizer_path)
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print(f"✅ Tokenizer cargado. Vocab size: {tokenizer.vocab_size()}")
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# 5. Cargar Modelo
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print(f"🧠 Cargando tensores...")
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with open(model_path, 'rb') as f:
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model_data = pickle.load(f)
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config = model_data['config']
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state_dict = model_data['model_state_dict']
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vocab_size = model_data['vocab_size']
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# Reconstruir el Modelo
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use_swiglu = config['model'].get('use_swiglu', False)
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model = MTPMiniModel(
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vocab_size=vocab_size,
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d_model=config['model']['d_model'],
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n_layers=config['model']['n_layers'],
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n_heads=config['model']['n_heads'],
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d_ff=config['model']['d_ff'],
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max_seq_len=config['model']['max_seq_len'],
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dropout=0.0,
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use_swiglu=use_swiglu
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)
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model.load_state_dict(state_dict)
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model.eval()
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DEVICE = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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model.to(DEVICE)
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print(f"✅ Modelo cargado en {DEVICE}")
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return model, tokenizer, DEVICE
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# Cargar al inicio
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model, tokenizer, DEVICE = load_resources()
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# ======================
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# FUNCIÓN DE GENERACIÓN
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# ======================
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def generate_response(message, history, temperature, max_tokens, top_p):
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# Construir el prompt
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# Formato: ### Instrucción:\n{input}\n\n### Respuesta:\n
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prompt = f"### Instrucción:\n{message}\n\n### Respuesta:\n"
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# Tokenizar
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tokens = [tokenizer.bos_id()] + tokenizer.encode(prompt)
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input_ids = torch.tensor([tokens], device=DEVICE)
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# Generar usando el método del modelo
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with torch.no_grad():
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output_ids = model.generate(
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input_ids,
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max_new_tokens=int(max_tokens),
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temperature=float(temperature),
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top_k=40,
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top_p=float(top_p),
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repetition_penalty=1.15,
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min_length=10,
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eos_token_id=tokenizer.eos_id()
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)
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# Decodificar
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gen_tokens = output_ids[0, len(tokens):].tolist()
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safe_tokens = []
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for t in gen_tokens:
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if 0 <= t < tokenizer.vocab_size() and t != tokenizer.eos_id():
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safe_tokens.append(t)
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elif t == tokenizer.eos_id():
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break
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response = tokenizer.decode(safe_tokens).strip()
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# Limpieza básica
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if "### Instrucción:" in response:
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response = response.split("### Instrucción:")[0].strip()
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return response
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# ======================
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# INTERFAZ GRADIO
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# ======================
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with gr.Blocks(theme=gr.themes.Soft()) as demo:
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gr.Markdown("# 🤖 MTP-7 Chat (Demo)")
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gr.Markdown(f"Modelo cargado desde `teszenofficial/MTP7` en **{DEVICE}**.")
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chat_interface = gr.ChatInterface(
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| 140 |
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fn=generate_response,
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| 141 |
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additional_inputs=[
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gr.Slider(0.1, 2.0, value=0.7, label="Temperatura (Creatividad)"),
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| 143 |
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gr.Slider(50, 300, value=150, label="Máximos Tokens"),
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| 144 |
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gr.Slider(0.1, 1.0, value=0.92, label="Top-p (Nucleus)"),
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],
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| 146 |
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examples=[
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| 147 |
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["¿Cuál es la capital de Francia?", 0.7, 150, 0.92],
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| 148 |
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["Explica qué es la relatividad.", 0.7, 150, 0.92]
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| 149 |
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],
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| 150 |
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cache_examples=False
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| 151 |
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)
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| 152 |
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| 153 |
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if __name__ == "__main__":
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| 154 |
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demo.launch()
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