Добавлены миддлвари на примере ThrottlingMiddleware

utils/misc/throttling.py

@@ -0,0 +1,16 @@
+def rate_limit(limit: int, key=None):
+    """
+    Decorator for configuring rate limit and key in different functions.
+
+    :param limit:
+    :param key:
+    :return:
+    """
+
+    def decorator(func):
+        setattr(func, 'throttling_rate_limit', limit)
+        if key:
+            setattr(func, 'throttling_key', key)
+        return func
+
+    return decorator