[GitHub] [airflow] mik-laj commented on a change in pull request #10115: Add Legacy command displaying new CLI counterparts

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

mik-laj commented on a change in pull request #10115:
URL: https://github.com/apache/airflow/pull/10115#discussion_r464098100



##########
File path: airflow/cli/commands/legacy_commands.py
##########
@@ -0,0 +1,55 @@
+# 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 argparse import ArgumentError
+
+COMMAND_MAP = {
+    "worker": "celery worker",
+    "flower": "celery flower",
+    "trigger_dag": "dags trigger",
+    "delete_dag": "dags delete",
+    "show_dag": "dags show",
+    "list_dag": "dags list",
+    "dag_status": "dags status",
+    "backfill": "dags backfill",
+    "list_dag_runs": "dags list_runs",
+    "pause": "dags pause",
+    "unpause": "dags unpause",
+    "test": "tasks test",
+    "clear": "tasks clear",
+    "list_tasks": "tasks list",
+    "task_failed_deps": "tasks failed_deps",
+    "task_state": "tasks state",
+    "run": "tasks run",
+    "render": "tasks render",
+    "initdb": "db init",
+    "resetdb": "db reset",
+    "upgradedb": "db upgrade",
+    "checkdb": "db check",
+    "shell": "db shell",
+    "pool": "pools",
+    "list_users": "users list",
+    "create_user": "users create",
+    "delete_user": "users delete"
+}
+
+
+def check_value(action, value):
+    """ Checks command value and raise error if value is in removed command """
+    if COMMAND_MAP.get(value) is not None:
+        msg = "{} command, has been removed, please use `airflow {}`".format(value, COMMAND_MAP[value])

Review comment:
       ```suggestion
           new_command = COMMAND_MAP[value]
           msg = f"`airflow {value}` command, has been removed, please use `airflow {new_command}`"
   ```




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