airflow cheat_sheet_command 源码
airflow cheat_sheet_command 代码
文件路径：/airflow/cli/commands/cheat_sheet_command.py
# 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
from typing import Iterable
from airflow.cli.cli_parser import ActionCommand, GroupCommand, airflow_commands
from airflow.cli.simple_table import AirflowConsole, SimpleTable
from airflow.utils.cli import suppress_logs_and_warning
@suppress_logs_and_warning
def cheat_sheet(args):
"""Display cheat-sheet."""
display_commands_index()
def display_commands_index():
"""Display list of all commands."""
def display_recursive(
prefix: list[str],
commands: Iterable[GroupCommand | ActionCommand],
help_msg: str | None = None,
):
actions: list[ActionCommand] = []
groups: list[GroupCommand] = []
for command in commands:
if isinstance(command, GroupCommand):
groups.append(command)
else:
actions.append(command)
console = AirflowConsole()
if actions:
table = SimpleTable(title=help_msg or "Miscellaneous commands")
table.add_column(width=40)
table.add_column()
for action_command in sorted(actions, key=lambda d: d.name):
table.add_row(" ".join([*prefix, action_command.name]), action_command.help)
console.print(table)
if groups:
for group_command in sorted(groups, key=lambda d: d.name):
group_prefix = [*prefix, group_command.name]
display_recursive(group_prefix, group_command.subcommands, group_command.help)
display_recursive(["airflow"], airflow_commands)
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