Source code for heat.db.utils

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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
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#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
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# SQLAlchemy helper functions

from sqlalchemy.orm import exc
import tenacity




[docs]
def retry_on_stale_data_error(func):
    wrapper = tenacity.retry(
        stop=tenacity.stop_after_attempt(3),
        retry=tenacity.retry_if_exception_type(exc.StaleDataError),
        reraise=True)
    return wrapper(func)