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app.py
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# app.py (versión final
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import torch
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import torchvision.transforms as transforms
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from PIL import Image
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import json
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import timm
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import
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# --- 1. Importar la definición del modelo ---
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from VisionEnsembleModel import VisionEnsembleModel
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# --- 2. Carga del Modelo
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device = torch.device("cpu")
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MODEL_PATH = "model/best_vision_ensemble_model.pth"
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LABELS_PATH = "model/species_labels_map.json"
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NUM_CLASSES = 156
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try:
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with open(LABELS_PATH) as f:
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# Cargamos el mapa de etiquetas. Las claves JSON siempre son strings.
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labels_map = json.load(f)
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print("Mapa de etiquetas cargado con éxito.")
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# Imprimimos una muestra para verificar
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print("Ejemplo del mapa de etiquetas:", dict(list(labels_map.items())[:3]))
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except Exception as e:
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print(f"ERROR AL CARGAR EL MAPA DE ETIQUETAS: {e}")
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labels_map = {}
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model = VisionEnsembleModel(num_classes=NUM_CLASSES)
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model.load_state_dict(torch.load(MODEL_PATH, map_location=device))
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model.to(device)
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model.eval()
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print("Modelo Ensamblado Híbrido
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transforms_val = transforms.Compose([
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transforms.Resize((224, 224)),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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])
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# --- 3.
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try:
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for i in range(top5_prob.size(0)):
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species_id = top5_catid[i].item()
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prob = top5_prob[i].item()
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# Líneas de depuración que veremos en los logs
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print(f"Predicción {i+1}: ID numérico = {species_id} (Tipo: {type(species_id)})")
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# Buscamos la clave como string
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species_name = labels_map.get(str(species_id), f"ID Desconocido: {species_id}")
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print(f"Nombre traducido: {species_name}")
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confidences[species_name] = prob
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print("--- Predicción completada con éxito ---")
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return confidences
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except Exception as e:
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print(f"!!! ERROR DURANTE LA PREDICCIÓN: {e}")
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# Devolvemos el error a la interfaz de Gradio para verlo
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return {"Error": str(e)}
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# --- 4. Crear y Lanzar la Interfaz de Gradio ---
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iface = gr.Interface(
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fn=predict,
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inputs=gr.Image(type="numpy", label="Sube una imagen de tu orquídea"),
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outputs=gr.Label(num_top_classes=5, label="Predicciones"),
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title="Clasificador de Orquídeas (Modelo Ensamblado)",
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description="Sube una foto de una orquídea y la IA (CNN+ViT) intentará identificar la especie.",
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)
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iface.launch(server_name="0.0.0.0", server_port=7860)
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# app.py (versión final - API Numérica)
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import torch
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import torchvision.transforms as transforms
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from PIL import Image
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import json
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import timm
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from fastapi import FastAPI, UploadFile, File
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from fastapi.responses import JSONResponse
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import io
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# --- 1. Importar la definición del modelo ---
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from VisionEnsembleModel import VisionEnsembleModel
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# --- 2. Carga del Modelo ---
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device = torch.device("cpu")
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MODEL_PATH = "model/best_vision_ensemble_model.pth"
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NUM_CLASSES = 156
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model = VisionEnsembleModel(num_classes=NUM_CLASSES)
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model.load_state_dict(torch.load(MODEL_PATH, map_location=device))
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model.to(device)
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model.eval()
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print("Modelo Ensamblado Híbrido cargado.")
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transforms_val = transforms.Compose([
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transforms.Resize((224, 224)),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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])
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# --- 3. Crear la App FastAPI ---
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app = FastAPI(title="API Numérica de Clasificación de Orquídeas")
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# --- 4. Endpoint de Predicción Numérica ---
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@app.post("/predict_numeric")
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async def predict_numeric(file: UploadFile = File(...)):
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image_bytes = await file.read()
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image = Image.open(io.BytesIO(image_bytes)).convert("RGB")
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except Exception:
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return JSONResponse(status_code=400, content={"error": "Archivo de imagen inválido."})
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input_tensor = transforms_val(image).unsqueeze(0).to(device)
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with torch.no_grad():
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output = model(input_tensor)
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probabilities = torch.nn.functional.softmax(output[0], dim=0)
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top5_prob, top5_catid = torch.topk(probabilities, 5)
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results = []
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for i in range(top5_prob.size(0)):
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results.append({
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"species_id": top5_catid[i].item(),
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"confidence": top5_prob[i].item()
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})
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return JSONResponse(content={"predictions": results})
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