anonymousland-synapse/synapse/storage/engines/__init__.py

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# -*- coding: utf-8 -*-
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# 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.
import platform
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from ._base import BaseDatabaseEngine, IncorrectDatabaseSetup
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from .postgres import PostgresEngine
from .sqlite import Sqlite3Engine
def create_engine(database_config) -> BaseDatabaseEngine:
name = database_config["name"]
if name == "sqlite3":
import sqlite3
return Sqlite3Engine(sqlite3, database_config)
if name == "psycopg2":
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# pypy requires psycopg2cffi rather than psycopg2
if platform.python_implementation() == "PyPy":
import psycopg2cffi as psycopg2 # type: ignore
else:
import psycopg2 # type: ignore
return PostgresEngine(psycopg2, database_config)
raise RuntimeError("Unsupported database engine '%s'" % (name,))
__all__ = ["create_engine", "BaseDatabaseEngine", "IncorrectDatabaseSetup"]