superset/__init__.py

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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"""Package's main module!"""
from flask import current_app, Flask
from werkzeug.local import LocalProxy

from superset.app import create_app
from superset.connectors.connector_registry import ConnectorRegistry
from superset.extensions import (
    appbuilder,
    cache_manager,
    db,
    event_logger,
    feature_flag_manager,
    manifest_processor,
    results_backend_manager,
    security_manager,
    talisman,
)
from superset.security import SupersetSecurityManager

#  All of the fields located here should be considered legacy. The correct way
#  to declare "global" dependencies is to define it in extensions.py,
#  then initialize it in app.create_app(). These fields will be removed
#  in subsequent PRs as things are migrated towards the factory pattern
app: Flask = current_app
cache = cache_manager.cache
conf = LocalProxy(lambda: current_app.config)
get_feature_flags = feature_flag_manager.get_feature_flags
get_manifest_files = manifest_processor.get_manifest_files
is_feature_enabled = feature_flag_manager.is_feature_enabled
results_backend = LocalProxy(lambda: results_backend_manager.results_backend)
results_backend_use_msgpack = LocalProxy(
    lambda: results_backend_manager.should_use_msgpack
)
data_cache = LocalProxy(lambda: cache_manager.data_cache)
thumbnail_cache = LocalProxy(lambda: cache_manager.thumbnail_cache)