1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- # -*- coding: utf-8 -*-
- # 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 ._base import IncorrectDatabaseSetup
- from .postgres import PostgresEngine
- from .sqlite3 import Sqlite3Engine
- import importlib
- import platform
- SUPPORTED_MODULE = {
- "sqlite3": Sqlite3Engine,
- "psycopg2": PostgresEngine,
- }
- def create_engine(database_config):
- name = database_config["name"]
- engine_class = SUPPORTED_MODULE.get(name, None)
- if engine_class:
- # pypy requires psycopg2cffi rather than psycopg2
- if (name == "psycopg2" and
- platform.python_implementation() == "PyPy"):
- name = "psycopg2cffi"
- module = importlib.import_module(name)
- return engine_class(module, database_config)
- raise RuntimeError(
- "Unsupported database engine '%s'" % (name,)
- )
- __all__ = ["create_engine", "IncorrectDatabaseSetup"]
|