Create app.py
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app.py
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import os
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from fastapi import FastAPI, Request
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from sentence_transformers import SentenceTransformer
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import uvicorn
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# Configuration : Dossier de cache pour éviter les re-téléchargements inutiles
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CACHE_DIR = "/tmp/model_cache"
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os.makedirs(CACHE_DIR, exist_ok=True)
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app = FastAPI()
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# Chargement du modèle au démarrage du serveur
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print("Chargement du modèle en cours...")
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model = SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2', cache_folder=CACHE_DIR)
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print("Modèle chargé avec succès.")
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@app.post("/embed")
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async def get_embedding(request: Request):
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try:
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data = await request.json()
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text = data.get("text", "")
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if not text:
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return {"error": "Texte manquant"}
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# Calcul de l'embedding
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embedding = model.encode(text).tolist()
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return {"embedding": embedding}
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except Exception as e:
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return {"error": str(e)}
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@app.get("/health")
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def health_check():
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return {"status": "ok", "message": "Service embedding opérationnel"}
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if __name__ == "__main__":
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# Hugging Face Spaces utilise le port 7860 par défaut
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uvicorn.run(app, host="0.0.0.0", port=7860)
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