system.VALID_META_KEYS

Valid metadata keys for the dublin core metadata.

system.VALID_META_KEYS={
    "creator": True,
    "date": False,
    "identifier": True,
    "relation": True,
    "description": True,
    "source": True,
    "type": True,
    "publisher": True,
    "format": False,
    "language": False,
}


The ‘false’ keys are auto-generated and cannot be set.