airflow bigquery 源码
airflow bigquery 代码
文件路径：/airflow/providers/google/cloud/links/bigquery.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.
"""This module contains Google BigQuery links."""
from __future__ import annotations
from typing import TYPE_CHECKING
from airflow.models import BaseOperator
from airflow.providers.google.cloud.links.base import BaseGoogleLink
if TYPE_CHECKING:
from airflow.utils.context import Context
BIGQUERY_BASE_LINK = "/bigquery"
BIGQUERY_DATASET_LINK = (
BIGQUERY_BASE_LINK + "?referrer=search&project={project_id}&d={dataset_id}&p={project_id}&page=dataset"
)
BIGQUERY_TABLE_LINK = (
BIGQUERY_BASE_LINK
+ "?referrer=search&project={project_id}&d={dataset_id}&p={project_id}&page=table&t={table_id}"
)
class BigQueryDatasetLink(BaseGoogleLink):
"""Helper class for constructing BigQuery Dataset Link"""
name = "BigQuery Dataset"
key = "bigquery_dataset"
format_str = BIGQUERY_DATASET_LINK
@staticmethod
def persist(
context: Context,
task_instance: BaseOperator,
dataset_id: str,
project_id: str,
):
task_instance.xcom_push(
context,
key=BigQueryDatasetLink.key,
value={"dataset_id": dataset_id, "project_id": project_id},
)
class BigQueryTableLink(BaseGoogleLink):
"""Helper class for constructing BigQuery Table Link"""
name = "BigQuery Table"
key = "bigquery_table"
format_str = BIGQUERY_TABLE_LINK
@staticmethod
def persist(
context: Context,
task_instance: BaseOperator,
project_id: str,
table_id: str,
dataset_id: str | None = None,
):
task_instance.xcom_push(
context,
key=BigQueryTableLink.key,
value={"dataset_id": dataset_id, "project_id": project_id, "table_id": table_id},
)
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