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Update app.py
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app.py
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from huggingface_hub import from_pretrained_fastai
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import gradio as gr
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from fastai.vision.all import *
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# repo_id = "YOUR_USERNAME/YOUR_LEARNER_NAME"
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repo_id = "AdrianRevi/Practica1Blindness"
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learner = from_pretrained_fastai(repo_id)
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labels = learner.dls.vocab
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#
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def predict(img):
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from fastai.vision.all import *
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from huggingface_hub import from_pretrained_fastai
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import gradio as gr
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# -------------------------------
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# 1. Cargar el modelo desde Hugging Face
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# -------------------------------
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repo_id = "AdrianRevi/Practica1Blindness" # Cambiar si es necesario
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learner = from_pretrained_fastai(repo_id)
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labels = learner.dls.vocab
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# -------------------------------
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# 2. Función de predicción
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# -------------------------------
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def predict(img):
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try:
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pred, pred_idx, probs = learner.predict(img)
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return {labels[i]: float(probs[i]) for i in range(len(labels))}
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except Exception as e:
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return {"Error": str(e)}
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# -------------------------------
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# 3. Interfaz Gradio
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# -------------------------------
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title = "👁️ Clasificador de Ceguera con FastAI"
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description = """
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Esta aplicación utiliza un modelo de **Aprendizaje Profundo** entrenado con `fastai` para predecir el **grado de ceguera** en imágenes de retina.
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📌 El modelo fue entrenado en Google Colab y desplegado en Hugging Face Spaces mediante `from_pretrained_fastai`.
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🔍 Puedes subir tu propia imagen o usar uno de los ejemplos de la galería.
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📷 La imagen se redimensiona automáticamente a 128x128 píxeles (tamaño de entrada del modelo).
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"""
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examples = ['20068.jpg', '20084.jpg'] # Archivos locales en el Space
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# -------------------------------
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# 4. Crear y lanzar interfaz
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# -------------------------------
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demo = gr.Interface(
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fn=predict,
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inputs=gr.Image(type="pil", shape=(128, 128), label="Sube una imagen de retina"),
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outputs=gr.Label(num_top_classes=3, label="Predicción (Top 3)"),
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examples=examples,
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title=title,
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description=description,
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allow_flagging="never",
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live=False,
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theme="default",
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)
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if __name__ == "__main__":
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demo.launch(show_error=True)
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