2015-04-01 13:12:33 +00:00
|
|
|
# -*- coding: utf-8 -*-
|
2016-01-07 04:26:29 +00:00
|
|
|
# Copyright 2015, 2016 OpenMarket Ltd
|
2015-04-01 13:12:33 +00:00
|
|
|
#
|
|
|
|
# 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.
|
|
|
|
|
2015-04-29 10:42:28 +00:00
|
|
|
from ._base import IncorrectDatabaseSetup
|
2015-04-14 12:53:20 +00:00
|
|
|
from .postgres import PostgresEngine
|
2015-04-01 13:12:33 +00:00
|
|
|
from .sqlite3 import Sqlite3Engine
|
|
|
|
|
2015-04-02 09:06:22 +00:00
|
|
|
import importlib
|
2018-01-06 17:13:56 +00:00
|
|
|
import platform
|
2015-04-02 09:06:22 +00:00
|
|
|
|
2015-04-01 13:12:33 +00:00
|
|
|
|
|
|
|
SUPPORTED_MODULE = {
|
|
|
|
"sqlite3": Sqlite3Engine,
|
2015-04-14 12:53:20 +00:00
|
|
|
"psycopg2": PostgresEngine,
|
2015-04-01 13:12:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2016-04-06 13:08:18 +00:00
|
|
|
def create_engine(database_config):
|
|
|
|
name = database_config["name"]
|
2015-04-01 13:12:33 +00:00
|
|
|
engine_class = SUPPORTED_MODULE.get(name, None)
|
|
|
|
|
|
|
|
if engine_class:
|
2018-01-06 17:13:56 +00:00
|
|
|
needs_pypy_hack = (name == "psycopg2" and
|
|
|
|
platform.python_implementation() == "PyPy")
|
|
|
|
if needs_pypy_hack:
|
|
|
|
module = importlib.import_module("psycopg2cffi")
|
|
|
|
else:
|
|
|
|
module = importlib.import_module(name)
|
2016-06-20 16:53:38 +00:00
|
|
|
return engine_class(module, database_config)
|
2015-04-01 13:12:33 +00:00
|
|
|
|
|
|
|
raise RuntimeError(
|
|
|
|
"Unsupported database engine '%s'" % (name,)
|
|
|
|
)
|
2015-04-29 10:56:38 +00:00
|
|
|
|
|
|
|
|
|
|
|
__all__ = ["create_engine", "IncorrectDatabaseSetup"]
|