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Update app.py
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app.py
CHANGED
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@@ -7,12 +7,13 @@ import mlflow.xgboost
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from fastapi import FastAPI, HTTPException, Body
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from fastapi.responses import RedirectResponse
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from dotenv import load_dotenv
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# --- 1. CONFIGURATION MLFLOW ---
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load_dotenv()
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# MLflow utilise automatiquement MLFLOW_TRACKING_USERNAME et MLFLOW_TRACKING_PASSWORD
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mlflow.set_tracking_uri(os.getenv("MLFLOW_TRACKING_URI"))
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RUN_ID = "674d07aab0b0493a838310da47c71a95"
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@@ -25,7 +26,6 @@ app = FastAPI(
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version="3.5.0"
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)
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# Variables globales pour le modèle et Sigma
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model = None
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SIGMA = None
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@@ -35,30 +35,25 @@ async def load_model():
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try:
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print(f"🚀 Connexion à MLflow : {os.getenv('MLFLOW_TRACKING_URI')}")
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#
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loaded_model = mlflow.xgboost.load_model(MODEL_URI)
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# 2. Gestion du format Booster vs Wrapper
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if isinstance(loaded_model, xgb.Booster):
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model = loaded_model
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else:
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model = loaded_model.get_booster()
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# 3. On extrait Sigma
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SIGMA = get_sigma(model)
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print(f"✅ Modèle chargé avec succès (Sigma: {round(SIGMA, 4)})")
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except Exception as e:
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print(f"❌ Erreur lors du chargement : {e}")
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# --- 3. ROUTES ---
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# Redirection automatique vers la doc Swagger à l'ouverture de l'URL
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@app.get("/", include_in_schema=False)
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def home():
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return RedirectResponse(url="/docs")
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# Route de santé pour vérifier le statut sans redirection
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@app.get("/health", tags=["Système"])
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def health():
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return {
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@@ -67,34 +62,23 @@ def health():
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"run_id": RUN_ID
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}
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@app.post("/predict"
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async def predict(
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data: dict = Body(..., example={
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"age_estime": 4.5,
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"Tranche_effectif_num": 3,
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"code_departement": "26",
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"code_ape": "43",
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"categorie_juridique": "5499",
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"is_ess": 0
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})
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):
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"""
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Simule le risque de fermeture d'une entreprise à 1, 2 et 3 ans.
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"""
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if model is None:
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raise HTTPException(status_code=503, detail="Modèle non chargé")
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try:
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dmatrix = prepare_input(data)
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# 2.
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mu = float(model.predict(dmatrix)[0])
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# 3.
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p1 = calculate_survival_risk(mu, 1,
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p2 = calculate_survival_risk(mu, 2,
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p3 = calculate_survival_risk(mu, 3,
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return {
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"diagnostic": {
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@@ -106,23 +90,23 @@ async def predict(
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"2_ans": f"{p2}%",
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"3_ans": f"{p3}%"
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},
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"
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"
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"
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},
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"metadonnees": {
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"run_id":
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"sigma_utilise":
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}
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}
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except Exception as e:
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detail=f"Erreur interne lors du calcul : {str(e)}"
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)
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if __name__ == "__main__":
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import uvicorn
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# Important : sur HF, le port par défaut attendu est 7860
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uvicorn.run(app, host="0.0.0.0", port=7860)
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from fastapi import FastAPI, HTTPException, Body
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from fastapi.responses import RedirectResponse
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from dotenv import load_dotenv
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# On importe tout, y compris FEATURES pour le debug
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from processing import prepare_input, calculate_survival_risk, map_statut_expert, get_sigma, FEATURES
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# --- 1. CONFIGURATION MLFLOW ---
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load_dotenv()
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mlflow.set_tracking_uri(os.getenv("MLFLOW_TRACKING_URI"))
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RUN_ID = "674d07aab0b0493a838310da47c71a95"
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version="3.5.0"
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)
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model = None
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SIGMA = None
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try:
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print(f"🚀 Connexion à MLflow : {os.getenv('MLFLOW_TRACKING_URI')}")
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# Chargement du modèle
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loaded_model = mlflow.xgboost.load_model(MODEL_URI)
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if isinstance(loaded_model, xgb.Booster):
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model = loaded_model
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else:
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model = loaded_model.get_booster()
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SIGMA = get_sigma(model)
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print(f"✅ Modèle chargé avec succès (Sigma: {round(SIGMA, 4)})")
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except Exception as e:
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print(f"❌ Erreur lors du chargement : {e}")
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# --- 3. ROUTES ---
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@app.get("/", include_in_schema=False)
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def home():
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return RedirectResponse(url="/docs")
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@app.get("/health", tags=["Système"])
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def health():
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return {
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"run_id": RUN_ID
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}
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@app.post("/predict")
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async def predict(data: dict):
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try:
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if model is None:
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raise HTTPException(status_code=503, detail="Modèle non chargé")
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# 1. Préparation
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dmatrix = prepare_input(data)
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# 2. Prédiction
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mu = float(model.predict(dmatrix)[0])
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s = get_sigma(model)
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# 3. Risques
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p1 = calculate_survival_risk(mu, 1, s)
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p2 = calculate_survival_risk(mu, 2, s)
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p3 = calculate_survival_risk(mu, 3, s)
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return {
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"diagnostic": {
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"2_ans": f"{p2}%",
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"3_ans": f"{p3}%"
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},
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"debug_internal": {
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"features_count": len(FEATURES),
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"first_feature": FEATURES[0] if FEATURES else "None",
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"input_received": {
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"age": data.get("age_estime"),
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"dep": data.get("code_departement")
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}
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},
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"metadonnees": {
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"run_id": os.urandom(8).hex(),
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"sigma_utilise": s
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}
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}
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except Exception as e:
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# Correction de la parenthèse ici
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return {"error": str(e)}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=7860)
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