672 lines
24 KiB
Python
672 lines
24 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from __future__ import annotations
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import logging
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import os
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from typing import Any, Callable, Dict, TYPE_CHECKING
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import wtforms_json
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from deprecation import deprecated
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from flask import Flask, redirect
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from flask_appbuilder import expose, IndexView
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from flask_babel import gettext as __, lazy_gettext as _
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from flask_compress import Compress
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from werkzeug.middleware.proxy_fix import ProxyFix
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from superset.connectors.connector_registry import ConnectorRegistry
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from superset.constants import CHANGE_ME_SECRET_KEY
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from superset.extensions import (
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_event_logger,
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APP_DIR,
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appbuilder,
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async_query_manager,
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cache_manager,
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celery_app,
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csrf,
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db,
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encrypted_field_factory,
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feature_flag_manager,
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machine_auth_provider_factory,
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manifest_processor,
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migrate,
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profiling,
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results_backend_manager,
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talisman,
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)
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from superset.security import SupersetSecurityManager
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from superset.superset_typing import FlaskResponse
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from superset.utils.core import pessimistic_connection_handling
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from superset.utils.log import DBEventLogger, get_event_logger_from_cfg_value
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if TYPE_CHECKING:
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from superset.app import SupersetApp
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logger = logging.getLogger(__name__)
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class SupersetAppInitializer: # pylint: disable=too-many-public-methods
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def __init__(self, app: SupersetApp) -> None:
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super().__init__()
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self.superset_app = app
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self.config = app.config
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self.manifest: Dict[Any, Any] = {}
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@deprecated(details="use self.superset_app instead of self.flask_app") # type: ignore
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@property
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def flask_app(self) -> SupersetApp:
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return self.superset_app
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def pre_init(self) -> None:
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"""
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Called before all other init tasks are complete
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"""
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wtforms_json.init()
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if not os.path.exists(self.config["DATA_DIR"]):
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os.makedirs(self.config["DATA_DIR"])
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def post_init(self) -> None:
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"""
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Called after any other init tasks
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"""
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def configure_celery(self) -> None:
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celery_app.config_from_object(self.config["CELERY_CONFIG"])
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celery_app.set_default()
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superset_app = self.superset_app
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# Here, we want to ensure that every call into Celery task has an app context
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# setup properly
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task_base = celery_app.Task
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class AppContextTask(task_base): # type: ignore
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# pylint: disable=too-few-public-methods
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abstract = True
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# Grab each call into the task and set up an app context
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def __call__(self, *args: Any, **kwargs: Any) -> Any:
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with superset_app.app_context():
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return task_base.__call__(self, *args, **kwargs)
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celery_app.Task = AppContextTask
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def init_views(self) -> None:
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#
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# We're doing local imports, as several of them import
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# models which in turn try to import
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# the global Flask app
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#
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# pylint: disable=import-outside-toplevel,too-many-locals,too-many-statements
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from superset.annotation_layers.annotations.api import AnnotationRestApi
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from superset.annotation_layers.api import AnnotationLayerRestApi
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from superset.async_events.api import AsyncEventsRestApi
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from superset.cachekeys.api import CacheRestApi
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from superset.charts.api import ChartRestApi
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from superset.charts.data.api import ChartDataRestApi
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from superset.connectors.druid.views import (
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Druid,
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DruidClusterModelView,
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DruidColumnInlineView,
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DruidDatasourceModelView,
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DruidMetricInlineView,
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)
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from superset.connectors.sqla.views import (
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RowLevelSecurityFiltersModelView,
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SqlMetricInlineView,
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TableColumnInlineView,
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TableModelView,
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)
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from superset.css_templates.api import CssTemplateRestApi
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from superset.dashboards.api import DashboardRestApi
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from superset.dashboards.filter_sets.api import FilterSetRestApi
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from superset.dashboards.filter_state.api import DashboardFilterStateRestApi
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from superset.dashboards.permalink.api import DashboardPermalinkRestApi
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from superset.databases.api import DatabaseRestApi
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from superset.datasets.api import DatasetRestApi
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from superset.datasets.columns.api import DatasetColumnsRestApi
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from superset.datasets.metrics.api import DatasetMetricRestApi
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from superset.embedded.view import EmbeddedView
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from superset.explore.form_data.api import ExploreFormDataRestApi
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from superset.explore.permalink.api import ExplorePermalinkRestApi
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from superset.importexport.api import ImportExportRestApi
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from superset.queries.api import QueryRestApi
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from superset.queries.saved_queries.api import SavedQueryRestApi
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from superset.reports.api import ReportScheduleRestApi
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from superset.reports.logs.api import ReportExecutionLogRestApi
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from superset.security.api import SecurityRestApi
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from superset.views.access_requests import AccessRequestsModelView
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from superset.views.alerts import AlertView
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from superset.views.annotations import (
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AnnotationLayerModelView,
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AnnotationModelView,
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)
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from superset.views.api import Api
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from superset.views.chart.views import SliceAsync, SliceModelView
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from superset.views.core import Superset
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from superset.views.css_templates import (
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CssTemplateAsyncModelView,
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CssTemplateModelView,
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)
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from superset.views.dashboard.views import (
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Dashboard,
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DashboardModelView,
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DashboardModelViewAsync,
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)
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from superset.views.database.views import (
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ColumnarToDatabaseView,
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CsvToDatabaseView,
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DatabaseView,
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ExcelToDatabaseView,
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)
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from superset.views.datasource.views import Datasource
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from superset.views.dynamic_plugins import DynamicPluginsView
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from superset.views.key_value import KV
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from superset.views.log.api import LogRestApi
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from superset.views.log.views import LogModelView
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from superset.views.redirects import R
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from superset.views.sql_lab import (
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SavedQueryView,
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SavedQueryViewApi,
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SqlLab,
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TableSchemaView,
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TabStateView,
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)
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from superset.views.tags import TagView
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from superset.views.users.api import CurrentUserRestApi
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#
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# Setup API views
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#
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appbuilder.add_api(AnnotationRestApi)
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appbuilder.add_api(AnnotationLayerRestApi)
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appbuilder.add_api(AsyncEventsRestApi)
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appbuilder.add_api(CacheRestApi)
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appbuilder.add_api(ChartRestApi)
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appbuilder.add_api(ChartDataRestApi)
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appbuilder.add_api(CssTemplateRestApi)
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appbuilder.add_api(CurrentUserRestApi)
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appbuilder.add_api(DashboardFilterStateRestApi)
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appbuilder.add_api(DashboardPermalinkRestApi)
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appbuilder.add_api(DashboardRestApi)
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appbuilder.add_api(DatabaseRestApi)
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appbuilder.add_api(DatasetRestApi)
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appbuilder.add_api(DatasetColumnsRestApi)
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appbuilder.add_api(DatasetMetricRestApi)
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appbuilder.add_api(ExploreFormDataRestApi)
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appbuilder.add_api(ExplorePermalinkRestApi)
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appbuilder.add_api(FilterSetRestApi)
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appbuilder.add_api(ImportExportRestApi)
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appbuilder.add_api(QueryRestApi)
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appbuilder.add_api(ReportScheduleRestApi)
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appbuilder.add_api(ReportExecutionLogRestApi)
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appbuilder.add_api(SavedQueryRestApi)
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#
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# Setup regular views
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#
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appbuilder.add_link(
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"Home",
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label=__("Home"),
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href="/superset/welcome/",
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cond=lambda: bool(appbuilder.app.config["LOGO_TARGET_PATH"]),
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)
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appbuilder.add_view(
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AnnotationLayerModelView,
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"Annotation Layers",
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label=__("Annotation Layers"),
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icon="fa-comment",
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category="Manage",
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category_label=__("Manage"),
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category_icon="",
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)
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appbuilder.add_view(
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DashboardModelView,
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"Dashboards",
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label=__("Dashboards"),
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icon="fa-dashboard",
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category="",
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category_icon="",
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)
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appbuilder.add_view(
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SliceModelView,
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"Charts",
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label=__("Charts"),
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icon="fa-bar-chart",
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category="",
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category_icon="",
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)
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appbuilder.add_view(
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DynamicPluginsView,
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"Plugins",
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label=__("Plugins"),
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category="Manage",
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category_label=__("Manage"),
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icon="fa-puzzle-piece",
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menu_cond=lambda: feature_flag_manager.is_feature_enabled(
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"DYNAMIC_PLUGINS"
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),
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)
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appbuilder.add_view(
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CssTemplateModelView,
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"CSS Templates",
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label=__("CSS Templates"),
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icon="fa-css3",
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category="Manage",
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category_label=__("Manage"),
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category_icon="",
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)
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appbuilder.add_view(
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RowLevelSecurityFiltersModelView,
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"Row Level Security",
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label=__("Row Level Security"),
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category="Security",
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category_label=__("Security"),
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icon="fa-lock",
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)
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#
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# Setup views with no menu
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#
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appbuilder.add_view_no_menu(Api)
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appbuilder.add_view_no_menu(CssTemplateAsyncModelView)
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appbuilder.add_view_no_menu(CsvToDatabaseView)
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appbuilder.add_view_no_menu(ExcelToDatabaseView)
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appbuilder.add_view_no_menu(ColumnarToDatabaseView)
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appbuilder.add_view_no_menu(Dashboard)
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appbuilder.add_view_no_menu(DashboardModelViewAsync)
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appbuilder.add_view_no_menu(Datasource)
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appbuilder.add_view_no_menu(EmbeddedView)
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appbuilder.add_view_no_menu(KV)
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appbuilder.add_view_no_menu(R)
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appbuilder.add_view_no_menu(SavedQueryView)
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appbuilder.add_view_no_menu(SavedQueryViewApi)
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appbuilder.add_view_no_menu(SliceAsync)
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appbuilder.add_view_no_menu(SqlLab)
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appbuilder.add_view_no_menu(SqlMetricInlineView)
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appbuilder.add_view_no_menu(AnnotationModelView)
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appbuilder.add_view_no_menu(Superset)
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appbuilder.add_view_no_menu(TableColumnInlineView)
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appbuilder.add_view_no_menu(TableModelView)
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appbuilder.add_view_no_menu(TableSchemaView)
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appbuilder.add_view_no_menu(TabStateView)
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appbuilder.add_view_no_menu(TagView)
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#
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# Add links
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#
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appbuilder.add_link(
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"Import Dashboards",
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label=__("Import Dashboards"),
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href="/superset/import_dashboards/",
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icon="fa-cloud-upload",
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category="Manage",
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category_label=__("Manage"),
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category_icon="fa-wrench",
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cond=lambda: not feature_flag_manager.is_feature_enabled(
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"VERSIONED_EXPORT"
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),
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)
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appbuilder.add_link(
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"SQL Editor",
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label=_("SQL Editor"),
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href="/superset/sqllab/",
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category_icon="fa-flask",
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icon="fa-flask",
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category="SQL Lab",
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category_label=__("SQL Lab"),
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)
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appbuilder.add_link(
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__("Saved Queries"),
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href="/savedqueryview/list/",
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icon="fa-save",
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category="SQL Lab",
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)
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appbuilder.add_link(
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"Query Search",
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label=_("Query History"),
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href="/superset/sqllab/history/",
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icon="fa-search",
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category_icon="fa-flask",
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category="SQL Lab",
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category_label=__("SQL Lab"),
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)
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appbuilder.add_view(
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DatabaseView,
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"Databases",
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label=__("Databases"),
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icon="fa-database",
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category="Data",
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category_label=__("Data"),
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category_icon="fa-database",
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)
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appbuilder.add_link(
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"Datasets",
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label=__("Datasets"),
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href="/tablemodelview/list/",
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icon="fa-table",
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category="Data",
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category_label=__("Data"),
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category_icon="fa-table",
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)
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appbuilder.add_separator("Data")
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appbuilder.add_api(LogRestApi)
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appbuilder.add_view(
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LogModelView,
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"Action Log",
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label=__("Action Log"),
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category="Security",
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category_label=__("Security"),
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icon="fa-list-ol",
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menu_cond=lambda: (
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self.config["FAB_ADD_SECURITY_VIEWS"]
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and self.config["SUPERSET_LOG_VIEW"]
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),
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)
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appbuilder.add_api(SecurityRestApi)
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#
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# Conditionally setup email views
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#
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appbuilder.add_view(
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AlertView,
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"Alerts & Report",
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label=__("Alerts & Reports"),
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category="Manage",
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category_label=__("Manage"),
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icon="fa-exclamation-triangle",
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menu_cond=lambda: feature_flag_manager.is_feature_enabled("ALERT_REPORTS"),
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)
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appbuilder.add_view(
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AccessRequestsModelView,
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"Access requests",
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label=__("Access requests"),
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category="Security",
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category_label=__("Security"),
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icon="fa-table",
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menu_cond=lambda: bool(self.config["ENABLE_ACCESS_REQUEST"]),
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)
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#
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# Druid Views
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#
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appbuilder.add_separator(
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"Data", cond=lambda: bool(self.config["DRUID_IS_ACTIVE"])
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)
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appbuilder.add_view(
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DruidDatasourceModelView,
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"Druid Datasources",
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label=__("Druid Datasources"),
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category="Data",
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category_label=__("Data"),
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icon="fa-cube",
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menu_cond=lambda: bool(self.config["DRUID_IS_ACTIVE"]),
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)
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appbuilder.add_view(
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DruidClusterModelView,
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name="Druid Clusters",
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label=__("Druid Clusters"),
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icon="fa-cubes",
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category="Data",
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category_label=__("Data"),
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category_icon="fa-database",
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menu_cond=lambda: bool(self.config["DRUID_IS_ACTIVE"]),
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)
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appbuilder.add_view_no_menu(DruidMetricInlineView)
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appbuilder.add_view_no_menu(DruidColumnInlineView)
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appbuilder.add_view_no_menu(Druid)
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appbuilder.add_link(
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"Scan New Datasources",
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label=__("Scan New Datasources"),
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href="/druid/scan_new_datasources/",
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category="Data",
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category_label=__("Data"),
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category_icon="fa-database",
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icon="fa-refresh",
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cond=lambda: bool(
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self.config["DRUID_IS_ACTIVE"]
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and self.config["DRUID_METADATA_LINKS_ENABLED"]
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),
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)
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appbuilder.add_link(
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"Refresh Druid Metadata",
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label=__("Refresh Druid Metadata"),
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href="/druid/refresh_datasources/",
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category="Data",
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category_label=__("Data"),
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category_icon="fa-database",
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icon="fa-cog",
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cond=lambda: bool(
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self.config["DRUID_IS_ACTIVE"]
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and self.config["DRUID_METADATA_LINKS_ENABLED"]
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),
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)
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appbuilder.add_separator(
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"Data", cond=lambda: bool(self.config["DRUID_IS_ACTIVE"])
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)
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def init_app_in_ctx(self) -> None:
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"""
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Runs init logic in the context of the app
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"""
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self.configure_fab()
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self.configure_url_map_converters()
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self.configure_data_sources()
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self.configure_auth_provider()
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self.configure_async_queries()
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# Hook that provides administrators a handle on the Flask APP
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# after initialization
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flask_app_mutator = self.config["FLASK_APP_MUTATOR"]
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if flask_app_mutator:
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flask_app_mutator(self.superset_app)
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self.init_views()
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def check_secret_key(self) -> None:
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if self.config["SECRET_KEY"] == CHANGE_ME_SECRET_KEY:
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top_banner = 80 * "-" + "\n" + 36 * " " + "WARNING\n" + 80 * "-"
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bottom_banner = 80 * "-" + "\n" + 80 * "-"
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logger.warning(top_banner)
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logger.warning(
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"A Default SECRET_KEY was detected, please use superset_config.py "
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"to override it.\n"
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"Use a strong complex alphanumeric string and use a tool to help"
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" you generate \n"
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"a sufficiently random sequence, ex: openssl rand -base64 42"
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)
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logger.warning(bottom_banner)
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def init_app(self) -> None:
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"""
|
|
Main entry point which will delegate to other methods in
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order to fully init the app
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"""
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self.pre_init()
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self.check_secret_key()
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# Configuration of logging must be done first to apply the formatter properly
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self.configure_logging()
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# Configuration of feature_flags must be done first to allow init features
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|
# conditionally
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self.configure_feature_flags()
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self.configure_db_encrypt()
|
|
self.setup_db()
|
|
self.configure_celery()
|
|
self.enable_profiling()
|
|
self.setup_event_logger()
|
|
self.setup_bundle_manifest()
|
|
self.register_blueprints()
|
|
self.configure_wtf()
|
|
self.configure_middlewares()
|
|
self.configure_cache()
|
|
|
|
with self.superset_app.app_context():
|
|
self.init_app_in_ctx()
|
|
|
|
self.post_init()
|
|
|
|
def configure_auth_provider(self) -> None:
|
|
machine_auth_provider_factory.init_app(self.superset_app)
|
|
|
|
def setup_event_logger(self) -> None:
|
|
_event_logger["event_logger"] = get_event_logger_from_cfg_value(
|
|
self.superset_app.config.get("EVENT_LOGGER", DBEventLogger())
|
|
)
|
|
|
|
def configure_data_sources(self) -> None:
|
|
# Registering sources
|
|
module_datasource_map = self.config["DEFAULT_MODULE_DS_MAP"]
|
|
module_datasource_map.update(self.config["ADDITIONAL_MODULE_DS_MAP"])
|
|
ConnectorRegistry.register_sources(module_datasource_map)
|
|
|
|
def configure_cache(self) -> None:
|
|
cache_manager.init_app(self.superset_app)
|
|
results_backend_manager.init_app(self.superset_app)
|
|
|
|
def configure_feature_flags(self) -> None:
|
|
feature_flag_manager.init_app(self.superset_app)
|
|
|
|
def configure_fab(self) -> None:
|
|
if self.config["SILENCE_FAB"]:
|
|
logging.getLogger("flask_appbuilder").setLevel(logging.ERROR)
|
|
|
|
custom_sm = self.config["CUSTOM_SECURITY_MANAGER"] or SupersetSecurityManager
|
|
if not issubclass(custom_sm, SupersetSecurityManager):
|
|
raise Exception(
|
|
"""Your CUSTOM_SECURITY_MANAGER must now extend SupersetSecurityManager,
|
|
not FAB's security manager.
|
|
See [4565] in UPDATING.md"""
|
|
)
|
|
|
|
appbuilder.indexview = SupersetIndexView
|
|
appbuilder.base_template = "superset/base.html"
|
|
appbuilder.security_manager_class = custom_sm
|
|
appbuilder.init_app(self.superset_app, db.session)
|
|
|
|
def configure_url_map_converters(self) -> None:
|
|
#
|
|
# Doing local imports here as model importing causes a reference to
|
|
# app.config to be invoked and we need the current_app to have been setup
|
|
#
|
|
# pylint: disable=import-outside-toplevel
|
|
from superset.utils.url_map_converters import (
|
|
ObjectTypeConverter,
|
|
RegexConverter,
|
|
)
|
|
|
|
self.superset_app.url_map.converters["regex"] = RegexConverter
|
|
self.superset_app.url_map.converters["object_type"] = ObjectTypeConverter
|
|
|
|
def configure_middlewares(self) -> None:
|
|
if self.config["ENABLE_CORS"]:
|
|
# pylint: disable=import-outside-toplevel
|
|
from flask_cors import CORS
|
|
|
|
CORS(self.superset_app, **self.config["CORS_OPTIONS"])
|
|
|
|
if self.config["ENABLE_PROXY_FIX"]:
|
|
self.superset_app.wsgi_app = ProxyFix( # type: ignore
|
|
self.superset_app.wsgi_app, **self.config["PROXY_FIX_CONFIG"]
|
|
)
|
|
|
|
if self.config["ENABLE_CHUNK_ENCODING"]:
|
|
|
|
class ChunkedEncodingFix: # pylint: disable=too-few-public-methods
|
|
def __init__(self, app: Flask) -> None:
|
|
self.app = app
|
|
|
|
def __call__(
|
|
self, environ: Dict[str, Any], start_response: Callable[..., Any]
|
|
) -> Any:
|
|
# Setting wsgi.input_terminated tells werkzeug.wsgi to ignore
|
|
# content-length and read the stream till the end.
|
|
if environ.get("HTTP_TRANSFER_ENCODING", "").lower() == "chunked":
|
|
environ["wsgi.input_terminated"] = True
|
|
return self.app(environ, start_response)
|
|
|
|
self.superset_app.wsgi_app = ChunkedEncodingFix( # type: ignore
|
|
self.superset_app.wsgi_app # type: ignore
|
|
)
|
|
|
|
if self.config["UPLOAD_FOLDER"]:
|
|
try:
|
|
os.makedirs(self.config["UPLOAD_FOLDER"])
|
|
except OSError:
|
|
pass
|
|
|
|
for middleware in self.config["ADDITIONAL_MIDDLEWARE"]:
|
|
self.superset_app.wsgi_app = middleware( # type: ignore
|
|
self.superset_app.wsgi_app
|
|
)
|
|
|
|
# Flask-Compress
|
|
Compress(self.superset_app)
|
|
|
|
if self.config["TALISMAN_ENABLED"]:
|
|
talisman.init_app(self.superset_app, **self.config["TALISMAN_CONFIG"])
|
|
|
|
def configure_logging(self) -> None:
|
|
self.config["LOGGING_CONFIGURATOR"].configure_logging(
|
|
self.config, self.superset_app.debug
|
|
)
|
|
|
|
def configure_db_encrypt(self) -> None:
|
|
encrypted_field_factory.init_app(self.superset_app)
|
|
|
|
def setup_db(self) -> None:
|
|
db.init_app(self.superset_app)
|
|
|
|
with self.superset_app.app_context():
|
|
pessimistic_connection_handling(db.engine)
|
|
|
|
migrate.init_app(self.superset_app, db=db, directory=APP_DIR + "/migrations")
|
|
|
|
def configure_wtf(self) -> None:
|
|
if self.config["WTF_CSRF_ENABLED"]:
|
|
csrf.init_app(self.superset_app)
|
|
csrf_exempt_list = self.config["WTF_CSRF_EXEMPT_LIST"]
|
|
for ex in csrf_exempt_list:
|
|
csrf.exempt(ex)
|
|
|
|
def configure_async_queries(self) -> None:
|
|
if feature_flag_manager.is_feature_enabled("GLOBAL_ASYNC_QUERIES"):
|
|
async_query_manager.init_app(self.superset_app)
|
|
|
|
def register_blueprints(self) -> None:
|
|
for bp in self.config["BLUEPRINTS"]:
|
|
try:
|
|
logger.info("Registering blueprint: %s", bp.name)
|
|
self.superset_app.register_blueprint(bp)
|
|
except Exception: # pylint: disable=broad-except
|
|
logger.exception("blueprint registration failed")
|
|
|
|
def setup_bundle_manifest(self) -> None:
|
|
manifest_processor.init_app(self.superset_app)
|
|
|
|
def enable_profiling(self) -> None:
|
|
if self.config["PROFILING"]:
|
|
profiling.init_app(self.superset_app)
|
|
|
|
|
|
class SupersetIndexView(IndexView):
|
|
@expose("/")
|
|
def index(self) -> FlaskResponse:
|
|
return redirect("/superset/welcome/")
|