synapse/synapse/storage/engines/__init__.py

# Copyright 2015, 2016 OpenMarket Ltd
#
# Licensed 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 Any, Mapping

from ._base import BaseDatabaseEngine, IncorrectDatabaseSetup


def create_engine(database_config: Mapping[str, Any]) -> BaseDatabaseEngine:
    name = database_config["name"]

    if name == "sqlite3":
        from .sqlite import Sqlite3Engine

        return Sqlite3Engine(database_config)

    if name == "psycopg2":
        from .postgres import PostgresEngine

        return PostgresEngine(database_config)

    raise RuntimeError("Unsupported database engine '%s'" % (name,))


__all__ = ["create_engine", "BaseDatabaseEngine", "IncorrectDatabaseSetup"]