Add 404 and server error handlers

net-dhcp/__init__.py

@@ -1,5 +1,13 @@
-from flask import Flask
+from flask import Flask, jsonify
 
 app = Flask(__name__)
 
-from . import network, ipam
+from . import network, ipam
+
+@app.errorhandler(404)
+def err_not_found(e):
+    return jsonify({'Err': 'API not found'}), 404
+
+@app.errorhandler(Exception)
+def err(e):
+    return jsonify({'Err': f'Error: {e}'}), 500