airflow base 源码
airflow base 代码
文件路径：/airflow/providers/google/cloud/links/base.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 datetime import datetime
from typing import TYPE_CHECKING, ClassVar
from airflow.models import BaseOperatorLink, XCom
if TYPE_CHECKING:
from airflow.models.taskinstance import TaskInstanceKey
BASE_LINK = "https://console.cloud.google.com"
class BaseGoogleLink(BaseOperatorLink):
""":meta private:"""
name: ClassVar[str]
key: ClassVar[str]
format_str: ClassVar[str]
def get_link(
self,
operator,
dttm: datetime | None = None,
ti_key: TaskInstanceKey | None = None,
) -> str:
if ti_key is not None:
conf = XCom.get_value(key=self.key, ti_key=ti_key)
else:
assert dttm
conf = XCom.get_one(
key=self.key,
dag_id=operator.dag.dag_id,
task_id=operator.task_id,
execution_date=dttm,
)
if not conf:
return ""
if self.format_str.startswith(BASE_LINK):
return self.format_str.format(**conf)
return BASE_LINK + self.format_str.format(**conf)
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