[GitHub] [airflow] ephraimbuddy commented on a diff in pull request #28569: Add general-purpose "notifier" concept to DAGs

[GitBox <gi...@apache.org>]

ephraimbuddy commented on code in PR #28569:
URL: https://github.com/apache/airflow/pull/28569#discussion_r1060385273


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airflow/providers/slack/notifications/slack_notifier.py:
##########
@@ -0,0 +1,89 @@
+# 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 json
+
+from airflow.compat.functools import cached_property
+from airflow.exceptions import AirflowOptionalProviderFeatureException
+
+try:
+    from airflow.notifications.basenotifier import BaseNotifier
+except ImportError:
+    raise AirflowOptionalProviderFeatureException(
+        "Failed to import BaseNotifier. This feature is only available in Airflow versions >= 2.6.0"
+    )
+
+from airflow.providers.slack.hooks.slack import SlackHook
+
+
+class SlackNotifier(BaseNotifier):
+    """
+    Slack BaseNotifier
+
+    :param slack_conn_id: Slack API token (https://api.slack.com/web).
+    :param text: The content of the message
+    :param channel: The channel to send the message to. Optional
+    :param username: The username to send the message as. Optional
+    :param icon_url: The icon to use for the message. Optional
+    :param attachments: A list of attachments to send with the message. Optional
+    :param blocks: A list of blocks to send with the message. Optional
+    """
+
+    template_fields = ("text", "channel", "username", "attachments", "blocks")
+
+    def __init__(
+        self,
+        *,
+        slack_conn_id: str = "slack_api_default",
+        text: str = "This is a default message",
+        channel: str = "#general",
+        username: str = "Airflow",
+        icon_url: str = "https://raw.githubusercontent.com/apache/"
+        "airflow/main/airflow/www/static/pin_100.png",

Review Comment:
   Linked to a previous release, how's that?



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