first add files

lib/sqlalchemy/databases/__init__.py

@@ -0,0 +1,38 @@
+# databases/__init__.py
+# Copyright (C) 2005-2022 the SQLAlchemy authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: https://www.opensource.org/licenses/mit-license.php
+
+"""Include imports from the sqlalchemy.dialects package for backwards
+compatibility with pre 0.6 versions.
+
+"""
+from ..dialects.firebird import base as firebird
+from ..dialects.mssql import base as mssql
+from ..dialects.mysql import base as mysql
+from ..dialects.oracle import base as oracle
+from ..dialects.postgresql import base as postgresql
+from ..dialects.sqlite import base as sqlite
+from ..dialects.sybase import base as sybase
+from ..util import warn_deprecated_20
+
+postgres = postgresql
+
+
+__all__ = (
+    "firebird",
+    "mssql",
+    "mysql",
+    "postgresql",
+    "sqlite",
+    "oracle",
+    "sybase",
+)
+
+
+warn_deprecated_20(
+    "The `database` package is deprecated and will be removed in v2.0 "
+    "of sqlalchemy. Use the `dialects` package instead."
+)