airflow recording 源码
airflow recording 代码
文件路径：/dev/breeze/src/airflow_breeze/utils/recording.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
import atexit
import os
import sys
import rich
from rich.console import Console
from airflow_breeze.utils.path_utils import in_autocomplete
help_console: Console | None = None
DEFAULT_COLUMNS = 129
def generating_command_images() -> bool:
return 'RECORD_BREEZE_TITLE' in os.environ or "regenerate-command-images" in sys.argv
def enable_recording_of_help_output(path: str, title: str | None, width: str | None):
import rich_click as click
if not title:
title = "Breeze screenshot"
if not width:
width_int = DEFAULT_COLUMNS
else:
width_int = int(width)
def save_ouput_as_svg():
if help_console:
help_console.save_svg(path=path, title=title)
class RecordingConsole(rich.console.Console):
def __init__(self, **kwargs):
kwargs["force_terminal"] = True
kwargs["width"] = width_int
super().__init__(record=True, **kwargs)
global help_console
help_console = self
atexit.register(save_ouput_as_svg)
click.rich_click.MAX_WIDTH = width_int
click.formatting.FORCED_WIDTH = width_int - 2 # type: ignore[attr-defined]
click.rich_click.COLOR_SYSTEM = "standard"
# monkeypatch rich_click console to record help (rich_click does not allow passing extra args to console)
click.rich_click.Console = RecordingConsole # type: ignore[misc]
output_file = os.environ.get('RECORD_BREEZE_OUTPUT_FILE')
if output_file and not in_autocomplete():
enable_recording_of_help_output(
path=output_file,
title=os.environ.get('RECORD_BREEZE_TITLE'),
width=os.environ.get('RECORD_BREEZE_WIDTH'),
)
else:
try:
import click
columns = os.get_terminal_size().columns
click.formatting.FORCED_WIDTH = columns - 2 if columns else DEFAULT_COLUMNS
except OSError:
pass
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