Create np.py

np.py

@@ -0,0 +1,20 @@
+import re
+import sqlite3
+from flask import request, jsonify, abort
+
+@app.route("/user", methods=["GET"])
+def user():
+    init_db()
+
+    # Use a context manager so the connection closes reliably
+    try:
+        with sqlite3.connect(DB) as conn:
+            conn.row_factory = sqlite3.Row
+            cur = conn.cursor()
+
+            # Parameterized query prevents SQL injection
+            cur.execute(
+                "SELECT id, username FROM users WHERE username = ? LIMIT 1",
+                (username,),
+            )
+            row = cur.fetchone()