Function generate_driver_url

lib/sqlalchemy/testing/provision.py:231–245

(url, driver, query_str)

@register.init
def generate_driver_url(url, driver, query_str):
    backend = url.get_backend_name()

    new_url = url.set(
        drivername="%s+%s" % (backend, driver),
    )
    if query_str:
        new_url = new_url.update_query_string(query_str)

    try:
        new_url.get_dialect()
    except exc.NoSuchModuleError:
        return None
    else:
        return new_url


def _configs_for_db_operation():