:mod:`edbob.db` =============== .. automodule:: edbob.db .. attribute:: engines A dictionary of configured :class:`sqlalchemy.Engine` instances available to the application. .. attribute:: engine A reference to the default :class:`sqlalchemy.Engine` instance for the application. .. attribute:: metadata A reference to the global :class:`sqlalchemy.MetaData` instance for the application. .. class:: Session A :class:`sqlalchemy.orm.Session` class for use within the application. .. autofunction:: get_setting .. autofunction:: save_setting .. autofunction:: needs_session