"""Helper generating the correlation_id."""

import uuid


def get_correlation_id():
    """Generate a correlation_id using uuid version 1.

    Generate a correlation_id using uuid version 1 which
    base on date-time and MAC address. The reason is just
    to be consistent with other project, for example:
    https://github.com/theorchard/ows-film-transparency/
    blob/44221d9fe3d75fe3290694e4a50f78f856d5a733/
    services/cache_manager/cache_manager/__init__.py#L11
    """
    return str(uuid.uuid1())