potiuk commented on a change in pull request #20338:
URL: https://github.com/apache/airflow/pull/20338#discussion_r775832312



##########
File path: dev/breeze/src/airflow_breeze/cache.py
##########
@@ -0,0 +1,77 @@
+# 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.
+
+import os
+from typing import Any, List, Tuple
+
+from airflow_breeze import global_constants
+from airflow_breeze.breeze import get_airflow_sources_root
+
+# This file is to read the cached data in .build folder
+BUILD_CACHE_DIR = os.path.join(get_airflow_sources_root, '.build')
+
+
+def read_from_cache_file(param_name: str):
+    parameter_value = ""
+    parameter_value_file = os.path.join(BUILD_CACHE_DIR, f".{param_name}")
+    with open(parameter_value_file) as value:
+        parameter_value = value.read()
+    return parameter_value
+
+
+def write_to_cache_file(param_name: str, param_value: str, 
check_allowed_parameter: bool = True):
+    allowed = False
+    if check_allowed_parameter:
+        allowed, allowed_values = check_if_parameter_allowed(param_name, 
param_value)
+    if (check_allowed_parameter is False) or ((check_allowed_parameter is 
True) and allowed):

Review comment:
       ```suggestion
       if not check_allowed_parameter or allowed:
   ```
   
   This is more Pythonic and works the same :)




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