[GitHub] [airflow] coufon commented on a change in pull request #5701: [AIRFLOW-5088] Add DAG serialization using JSON

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coufon commented on a change in pull request #5701: [AIRFLOW-5088] Add DAG serialization using JSON
URL: https://github.com/apache/airflow/pull/5701#discussion_r310295667
 
 

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 File path: airflow/dag/serialization.py
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 @@ -0,0 +1,250 @@
+# -*- coding: utf-8 -*-
+#
+# 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.
+
+"""DAG serialization with JSON."""
+
+import json
+import logging
+
+import datetime
+import dateutil.parser
+import pendulum
+
+from airflow import models
+from airflow.www.utils import get_python_source
+
+
+# JSON primitive types.
+_primitive_types = (int, bool, float, str)
+
+_datetime_types = (datetime.datetime, datetime.date, datetime.time)
+
+# Object types that are always excluded.
+# TODO(coufon): not needed if _dag_included_fields and _op_included_fields are customized.
+_excluded_types = (logging.Logger, models.connection.Connection, type)
+
+# Stringified DADs and operators contain exactly these fields.
 
 Review comment:
   Changed.

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