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Update app.py
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app.py
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import os
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import tempfile
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import uvicorn
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from fastapi import FastAPI, UploadFile, File, HTTPException
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from fastapi.responses import JSONResponse
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import tensorflow as tf
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# Import your prediction function from your prediction module.
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from prediction import predict_eeg_recording
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app = FastAPI(title="EEG Epilepsy Prediction API")
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# Load the trained model once at startup.
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model = tf.keras.models.load_model('model1_2dcnn.h5')
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@app.
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async def index():
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"""
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Simply returns a welcome message!
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"""
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message = (
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"Hello world! Welcome to the EEG Epilepsy Prediction API. "
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"Submit an EEG recording EDF file to the `/predict` endpoint to receive a prediction."
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)
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return message
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@app.post("/predict", tags=["Machine Learning"])
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async def predict_endpoint(file: UploadFile = File(...)):
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"""
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Accepts an EEG EDF file, processes it using the preprocessing and spectrogram conversion functions,
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and returns an aggregated prediction (epilepsy or no epilepsy) along with the mean probability.
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"""
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# Save the uploaded file temporarily.
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try:
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suffix = os.path.splitext(file.filename)[1]
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with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as tmp:
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tmp.write(await file.read())
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tmp_path = tmp.name
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except Exception
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raise HTTPException(status_code=500, detail="
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# Use your prediction function to process the file and obtain an aggregated prediction.
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try:
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except Exception as e:
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os.remove(tmp_path)
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raise HTTPException(status_code=400, detail=f"
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os.remove(tmp_path)
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response = {
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"prediction": "epilepsy" if
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"mean_probability": float(mean_prob)
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}
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return JSONResponse(content=response)
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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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# app.py (API FastAPI)
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import os
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import tempfile
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from fastapi import FastAPI, UploadFile, File, HTTPException
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from fastapi.responses import JSONResponse
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import tensorflow as tf
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from prediction import predict_eeg_recording # à adapter selon ton nom de module
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app = FastAPI(title="EEG Epilepsy Prediction API")
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model = tf.keras.models.load_model('model1_2dcnn.h5')
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@app.post("/predict")
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async def predict_endpoint(file: UploadFile = File(...)):
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try:
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suffix = os.path.splitext(file.filename)[1]
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with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as tmp:
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tmp.write(await file.read())
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tmp_path = tmp.name
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except Exception:
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raise HTTPException(status_code=500, detail="Erreur lors de la sauvegarde temporaire")
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try:
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label, mean_prob, segment_probs = predict_eeg_recording(tmp_path, model, threshold=0.5)
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except Exception as e:
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os.remove(tmp_path)
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raise HTTPException(status_code=400, detail=f"Erreur prédiction : {e}")
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os.remove(tmp_path)
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response = {
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"prediction": "epilepsy" if label == 1 else "no epilepsy",
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"mean_probability": float(mean_prob),
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"segment_probabilities": [float(p) for p in segment_probs]
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}
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return JSONResponse(content=response)
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