Update app.py

on ajoutes les services de dataset preparation

app.py

@@ -419,4 +419,14 @@ def ComputeStatistics(df):
 
 
 
+DATASET_DIR = Path("/app/uploads/dataset")
+
+@app.get("/list-files/")
+def list_files():
+    if not DATASET_DIR.exists():
+        return {"error": "Directory not found"}
+
+    files = [f.name for f in DATASET_DIR.iterdir() if f.is_file()]
+    return {"files": files}
+