Source code for airflow.providers.fab.www.extensions.init_views

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from __future__ import annotations

import logging
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from flask import Flask

[docs]log = logging.getLogger(__name__)


[docs]def init_plugins(app):
    """Integrate Flask and FAB with plugins."""
    from airflow import plugins_manager

    plugins_manager.initialize_flask_plugins()

    appbuilder = app.appbuilder

    for view in plugins_manager.flask_appbuilder_views:
        name = view.get("name")
        if name:
            filtered_view_kwargs = {k: v for k, v in view.items() if k not in ["view"]}
            log.debug("Adding view %s with menu", name)
            baseview = view.get("view")
            if baseview:
                appbuilder.add_view(baseview, **filtered_view_kwargs)
            else:
                log.error("'view' key is missing for the named view: %s", name)
        else:
            # if 'name' key is missing, intent is to add view without menu
            log.debug("Adding view %s without menu", str(type(view["view"])))
            appbuilder.add_view_no_menu(view["view"])

    for menu_link in sorted(
        plugins_manager.flask_appbuilder_menu_links, key=lambda x: (x.get("category", ""), x["name"])
    ):
        log.debug("Adding menu link %s to %s", menu_link["name"], menu_link["href"])
        appbuilder.add_link(**menu_link)

    for blue_print in plugins_manager.flask_blueprints:
        log.debug("Adding blueprint %s:%s", blue_print["name"], blue_print["blueprint"].import_name)
        app.register_blueprint(blue_print["blueprint"])


[docs]def init_error_handlers(app: Flask):
    """Add custom errors handlers."""
    from airflow.www import views

    app.register_error_handler(500, views.show_traceback)
    app.register_error_handler(404, views.not_found)