code: def tv_to_rdf(infile_name, outfile_name):
      
      parser = Parser(Builder(), StandardLogger())
      parser.build()
      with open(infile_name) as infile:
          data = infile.read()
          document, error = parser.parse(data)
          if not error:
              with open(outfile_name, mode='w') as outfile:
                  write_document(document, outfile)
              return True
          else:
              print('Errors encountered while parsing RDF file.')
              messages = []
              document.validate(messages)
              print('\n'.join(messages))
              return False
docs: Convert a SPDX file from tag/value format to RDF format.
      Return True on sucess, False otherwise.