add airflow license

airflow/api_fastapi/core_api/datamodels/extra_links.py

@@ -1,8 +1,25 @@
+# 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 pydantic import HttpUrl, RootModel
-from typing import Dict
 
 
 class ExtraLinksResponse(RootModel):
     """Extra Links Response."""
 
-    root: Dict[str, HttpUrl]
+    root: dict[str, HttpUrl]

airflow/api_fastapi/core_api/routes/public/extra_links.py

@@ -1,22 +1,38 @@
+# 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 TYPE_CHECKING
+
 from fastapi import Depends, HTTPException, Request, status
 from sqlalchemy.orm import Session
 from sqlalchemy.sql import select
 from typing_extensions import Annotated
-from typing import TYPE_CHECKING
 
 from airflow.api_fastapi.common.db.common import get_session
 from airflow.api_fastapi.common.router import AirflowRouter
-from airflow.exceptions import TaskNotFound
-from airflow.api_fastapi.core_api.openapi.exceptions import create_openapi_http_exception_doc
 from airflow.api_fastapi.core_api.datamodels.extra_links import ExtraLinksResponse
+from airflow.api_fastapi.core_api.openapi.exceptions import create_openapi_http_exception_doc
+from airflow.exceptions import TaskNotFound
 
 if TYPE_CHECKING:
     from sqlalchemy.orm.session import Session
 
-    from airflow import DAG
-    from airflow.api_connexion.types import APIResponse
     from airflow.models import DAG