def oai_process_uris_addis_ababa(*args):

    identifiers = helpers.gather_identifiers(args)
    provider_uris, object_uris = helpers.seperate_provider_object_uris(
        list(map(lambda x: x.replace('http://hdl.handle.net/123456789/', 'http://etd.aau.edu.et/handle/123456789/'), identifiers))
    )

    potential_uris = (provider_uris - object_uris)

    try:
        canonical_uri = potential_uris[0]
    except IndexError:
        raise ValueError('No Canonical URI was returned for this record.')

    return {
        'canonicalUri': canonical_uri,
        'objectUris': object_uris,
        'providerUris': provider_uris
    }
dataset/ETHPy150Open CenterForOpenScience/scrapi/scrapi/harvesters/addis_ababa.py/oai_process_uris_addis_ababa/operator `+` -> `-`