# sqlalchemy/pool/__init__.py # Copyright (C) 2005-2021 the SQLAlchemy authors and contributors # # # This module is part of SQLAlchemy and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php """Connection pooling for DB-API connections. Provides a number of connection pool implementations for a variety of usage scenarios and thread behavior requirements imposed by the application, DB-API or database itself. Also provides a DB-API 2.0 connection proxying mechanism allowing regular DB-API connect() methods to be transparently managed by a SQLAlchemy connection pool. """ from .base import _ConnectionFairy # noqa from .base import _ConnectionRecord # noqa from .base import _finalize_fairy # noqa from .base import _refs # noqa from .base import Pool from .base import reset_commit from .base import reset_none from .base import reset_rollback from .dbapi_proxy import clear_managers from .dbapi_proxy import manage from .impl import AssertionPool from .impl import NullPool from .impl import QueuePool from .impl import SingletonThreadPool from .impl import StaticPool __all__ = [ "Pool", "reset_commit", "reset_none", "reset_rollback", "clear_managers", "manage", "AssertionPool", "NullPool", "QueuePool", "SingletonThreadPool", "StaticPool", ] # as these are likely to be used in various test suites, debugging # setups, keep them in the sqlalchemy.pool namespace