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# 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
#
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from typing import Any, List, cast

from flask import Flask

from airflow.models.dagbag import DagBag
from airflow.www.extensions.init_appbuilder import AirflowAppBuilder


class AirflowApp(Flask):
    """Airflow Flask Application"""

    appbuilder: AirflowAppBuilder
    dag_bag: DagBag
    api_auth: List[Any]


def get_airflow_app() -> AirflowApp:
    from flask import current_app

    return cast(AirflowApp, current_app)
