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Update app.py
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app.py
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from fastapi import FastAPI,
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from fastapi.
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import
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import
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import
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#
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#
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allow_origins=["*"], # Cambia esto a tus dominios espec铆ficos si es necesario
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.post("/predict/")
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async def predict(file: UploadFile = File(...)):
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# Crear el payload
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payload = {"data": [img_b64]}
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try:
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# Realizar la petici贸n al Space de Hugging Face
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response = requests.post(HUGGINGFACE_API, json=payload)
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response.raise_for_status() # Asegura que no haya errores de red
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return response.json() # Retorna la respuesta del Space
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except requests.exceptions.RequestException as e:
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logging.error(f"Error al conectar con Hugging Face: {str(e)}")
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return {"error": "Error en la predicci贸n", "details": str(e)}
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from fastapi import FastAPI, File, UploadFile
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from fastapi.responses import JSONResponse
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import numpy as np
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import tensorflow as tf
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from PIL import Image
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import io
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import uvicorn
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# Cargar etiquetas y modelo
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with open("labels_mobilenet_quant_v1_224.txt", "r") as f:
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labels = f.read().splitlines()
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interpreter = tf.lite.Interpreter(model_path="mobilenet_v1_1.0_224_quant.tflite")
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interpreter.allocate_tensors()
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input_details = interpreter.get_input_details()
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output_details = interpreter.get_output_details()
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# Clasificaci贸n
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def classify_image(image: Image.Image):
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image = image.convert("RGB").resize((224, 224))
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input_data = np.expand_dims(np.array(image, dtype=np.uint8), axis=0)
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interpreter.set_tensor(input_details[0]["index"], input_data)
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interpreter.invoke()
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output_data = interpreter.get_tensor(output_details[0]["index"])
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# Ajuste de cuantizaci贸n
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output_scale, output_zero_point = output_details[0]["quantization"]
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output = output_scale * (output_data.astype(np.float32) - output_zero_point)
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pred_idx = np.argmax(output[0])
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pred_label = labels[pred_idx] if pred_idx < len(labels) else "Etiqueta no encontrada"
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# Softmax
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exp_scores = np.exp(output[0] - np.max(output[0]))
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probabilities = exp_scores / np.sum(exp_scores)
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confidence = probabilities[pred_idx]
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return pred_label, float(confidence)
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# Crear API
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app = FastAPI()
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@app.post("/predict")
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async def predict(file: UploadFile = File(...)):
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contents = await file.read()
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image = Image.open(io.BytesIO(contents))
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label, conf = classify_image(image)
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return JSONResponse({"label": label, "confidence": f"{conf*100:.2f}%"})
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# Para correr localmente
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# if __name__ == "__main__":
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# uvicorn.run(app, host="0.0.0.0", port=7860)
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