airflow datacatalog 源码

airflow datacatalog 代码

文件路径：/airflow/providers/google/cloud/links/datacatalog.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 Data Catalog 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

DATACATALOG_BASE_LINK = "/datacatalog"
ENTRY_GROUP_LINK = (
    DATACATALOG_BASE_LINK
    + "/groups/{entry_group_id};container={project_id};location={location_id}?project={project_id}"
)
ENTRY_LINK = (
    DATACATALOG_BASE_LINK
    + "/projects/{project_id}/locations/{location_id}/entryGroups/{entry_group_id}/entries/{entry_id}\
    ?project={project_id}"
)
TAG_TEMPLATE_LINK = (
    DATACATALOG_BASE_LINK
    + "/projects/{project_id}/locations/{location_id}/tagTemplates/{tag_template_id}?project={project_id}"
)


class DataCatalogEntryGroupLink(BaseGoogleLink):
    """Helper class for constructing Data Catalog Entry Group Link"""

    name = "Data Catalog Entry Group"
    key = "data_catalog_entry_group"
    format_str = ENTRY_GROUP_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        entry_group_id: str,
        location_id: str,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=DataCatalogEntryGroupLink.key,
            value={"entry_group_id": entry_group_id, "location_id": location_id, "project_id": project_id},
        )


class DataCatalogEntryLink(BaseGoogleLink):
    """Helper class for constructing Data Catalog Entry Link"""

    name = "Data Catalog Entry"
    key = "data_catalog_entry"
    format_str = ENTRY_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        entry_id: str,
        entry_group_id: str,
        location_id: str,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=DataCatalogEntryLink.key,
            value={
                "entry_id": entry_id,
                "entry_group_id": entry_group_id,
                "location_id": location_id,
                "project_id": project_id,
            },
        )


class DataCatalogTagTemplateLink(BaseGoogleLink):
    """Helper class for constructing Data Catalog Tag Template Link"""

    name = "Data Catalog Tag Template"
    key = "data_catalog_tag_template"
    format_str = TAG_TEMPLATE_LINK

    @staticmethod
    def persist(
        context: Context,
        task_instance: BaseOperator,
        tag_template_id: str,
        location_id: str,
        project_id: str | None,
    ):
        task_instance.xcom_push(
            context,
            key=DataCatalogTagTemplateLink.key,
            value={"tag_template_id": tag_template_id, "location_id": location_id, "project_id": project_id},
        )

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