docs: def normalize(self, parts):
          """ Invoke the RFC 2388 spec compliant normalizer
  
          :param parts:
              the already vetted & parsed FieldStorage objects
          :return:
              normalized dict
          """
  
          part = parts.list[0]
  
          return {
              'content': part.file.read(),
              'content-type': part.type,
              'file-ext': extensions.get(part.type),
              'file-name': part.filename,
          }