Files
superset2/superset/datasource/dao.py
Hugh A. Miles II e3e37cb68f chore: switching out ConnectorRegistry references for DatasourceDAO (#20380)
* rename and move dao file

* Update dao.py

* add cachekey

* Update __init__.py

* change reference in query context test

* add utils ref

* more ref changes

* add helpers

* add todo in dashboard.py

* add cachekey

* circular import error in dar.py

* push rest of refs

* fix linting

* fix more linting

* update enum

* remove references for connector registry

* big reafctor

* take value

* fix

* test to see if removing value works

* delete connectregistry

* address concerns

* address comments

* fix merge conflicts

* address concern II

* address concern II

* fix test

Co-authored-by: Phillip Kelley-Dotson <pkelleydotson@yahoo.com>
2022-06-21 13:22:39 +02:00

63 lines
2.1 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from typing import Dict, Type, Union
from sqlalchemy.orm import Session
from superset.connectors.sqla.models import SqlaTable
from superset.dao.base import BaseDAO
from superset.dao.exceptions import DatasourceNotFound, DatasourceTypeNotSupportedError
from superset.datasets.models import Dataset
from superset.models.sql_lab import Query, SavedQuery
from superset.tables.models import Table
from superset.utils.core import DatasourceType
Datasource = Union[Dataset, SqlaTable, Table, Query, SavedQuery]
class DatasourceDAO(BaseDAO):
sources: Dict[Union[DatasourceType, str], Type[Datasource]] = {
DatasourceType.TABLE: SqlaTable,
DatasourceType.QUERY: Query,
DatasourceType.SAVEDQUERY: SavedQuery,
DatasourceType.DATASET: Dataset,
DatasourceType.SLTABLE: Table,
}
@classmethod
def get_datasource(
cls,
session: Session,
datasource_type: Union[DatasourceType, str],
datasource_id: int,
) -> Datasource:
if datasource_type not in cls.sources:
raise DatasourceTypeNotSupportedError()
datasource = (
session.query(cls.sources[datasource_type])
.filter_by(id=datasource_id)
.one_or_none()
)
if not datasource:
raise DatasourceNotFound()
return datasource