[GitHub] [airflow] nuclearpinguin commented on a change in pull request #6932: [AIRFLOW-6374] Automate sending emails for Release management

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nuclearpinguin commented on a change in pull request #6932: [AIRFLOW-6374] Automate sending emails for Release management
URL: https://github.com/apache/airflow/pull/6932#discussion_r361735056
 
 

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 File path: dev/send_email.py
 ##########
 @@ -0,0 +1,321 @@
+#!/usr/bin/python3
+#
+# 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.
+
+# This tool is based on the Superset send_email script:
+# https://github.com/apache/incubator-superset/blob/master/RELEASING/send_email.py
+
+import smtplib
+import ssl
+from typing import List, Union
+
+try:
+    import jinja2
+except ModuleNotFoundError:
+    exit("Jinja2 is a required dependency for this script")
+try:
+    import click
+except ModuleNotFoundError:
+    exit("Click is a required dependency for this script")
+
+
+SMTP_PORT = 587
+SMTP_SERVER = "mail-relay.apache.org"
+PROJECT_NAME = "Airflow"
+PROJECT_MODULE = "airflow"
+PROJECT_DESCRIPTION = "Apache Airflow - A platform to programmatically author, " \
+                      "schedule, and monitor workflows"
+TWITTER_HANDLE = "@ApacheAirflow"
+MAILING_LIST = {
+    "dev": f"dev@{PROJECT_MODULE}.apache.org",
+    "users": f"users@{PROJECT_MODULE}.apache.org"
+}
+
+
+def string_comma_to_list(message: str) -> List[str]:
+    """
+    Split string to list
+    """
+    if not message:
+        return []
+    return message.split(",")
 
 Review comment:
   ```suggestion
       return message.split(",") if message else []
   ```
   Maybe we can use one-liner? 

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