uranusjr commented on code in PR #28846:
URL: https://github.com/apache/airflow/pull/28846#discussion_r1091586216


##########
airflow/compat/hashlib_wrapper.py:
##########
@@ -0,0 +1,45 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from __future__ import annotations
+
+import hashlib
+import sys
+from typing import Any
+
+# Check if "usedforsecurity" is available for hashlib
+if sys.version_info >= (3, 9):
+    HAS_USEDFORSECURITY = True
+else:
+    HAS_USEDFORSECURITY = False
+
+
+def md5(data: Any, used_for_security: bool | None = None):

Review Comment:
   Naming a submodule with the same name as a top-level module is not a problem 
(not in Python 3 anyway) since `airflow.compat.hashlib` and `hashlib` can never 
conflict. The `_wrapper` or `_compat` suffix is simply redundant. If you really 
feel strongly about having a suffix (this particular case is slightly different 
from `functools` since the `md5` function is a wrapper, not a shim), you can 
choose to put the module in `airflow.utils` or even directly under `airflow` (a 
la `airflow.typing_compat`) instead.



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