"""Base classes for storage engines""" | |
from oslo_config import cfg | |
from oslo_db import api as db_api | |
_BACKEND_MAPPING = {"sqlalchemy": "staffeln.db.sqlalchemy.api"} | |
IMPL = db_api.DBAPI.from_config(cfg.CONF, backend_mapping=_BACKEND_MAPPING, lazy=True) | |
def get_instance(): | |
"""Return a DB API instance.""" | |
return IMPL |