code: def parse_scalar(scalar_data, version):
      
      try:
          return hs_scalar[version].parseString(scalar_data, parseAll=True)[0]
      except pp.ParseException as pe:
          # Raise a new exception with the appropriate line number.
          raise ZincParseException(
                  'Failed to parse scalar: %s' % reformat_exception(pe),
                  scalar_data, 1, pe.col)
      except:
          LOG.debug('Failing scalar data: %r (version %r)',
                  scalar_data, version)
docs: Parse a Project Haystack scalar in ZINC format.