python3-pyrdfa 3.5.2+20220621~ds-1 (s390x binary) in ubuntu lunar

 PyRDFA is an RDFa 1.1 parser,
 also referred to as an RDFa distiller.
 .
 Resource Description Framework in Attributes (RDFa)
 is a W3C Recommendation
 that adds a set of attribute-level extensions
 to HTML, XHTML and various XML-based document types
 for embedding rich metadata within Web documents.
 .
 NB! This library is no longer maintained upstream.