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83 lines
2.7 KiB
Python
83 lines
2.7 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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from typing import TYPE_CHECKING
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from flask import current_app
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from superset.constants import EXAMPLES_DB_UUID
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if TYPE_CHECKING:
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from superset.connectors.sqla.models import Database
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logging.getLogger("MARKDOWN").setLevel(logging.INFO)
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logger = logging.getLogger(__name__)
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# TODO: duplicate code with DatabaseDao, below function should be moved or use dao
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def get_or_create_db(
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database_name: str, sqlalchemy_uri: str, always_create: bool | None = True
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) -> Database:
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# pylint: disable=import-outside-toplevel
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from superset import db
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from superset.models import core as models
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database = (
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db.session.query(models.Database).filter_by(database_name=database_name).first()
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)
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# databases with a fixed UUID
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uuids = {
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"examples": EXAMPLES_DB_UUID,
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}
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if not database and always_create:
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logger.info("Creating database reference for %s", database_name)
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database = models.Database(
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database_name=database_name, uuid=uuids.get(database_name)
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)
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db.session.add(database)
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database.set_sqlalchemy_uri(sqlalchemy_uri)
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# todo: it's a bad idea to do an update in a get/create function
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if database and database.sqlalchemy_uri_decrypted != sqlalchemy_uri:
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database.set_sqlalchemy_uri(sqlalchemy_uri)
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db.session.flush()
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return database
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def get_example_database() -> Database:
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return get_or_create_db("examples", current_app.config["SQLALCHEMY_EXAMPLES_URI"])
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def get_main_database() -> Database:
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db_uri = current_app.config["SQLALCHEMY_DATABASE_URI"]
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return get_or_create_db("main", db_uri)
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# TODO - the below method used by tests so should move there but should move together
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# with above function... think of how to refactor it
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def remove_database(database: Database) -> None:
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# pylint: disable=import-outside-toplevel
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from superset import db
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db.session.delete(database)
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db.session.flush()
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