code: def make_light_tarfile(self, name=None):
          
          name = os.path.basename(self.workdir) + "-light.tar.gz" if name is None else name
          return self.make_tarfile(name=name, exclude_dirs=["outdata", "indata", "tmpdata"])
docs: Lightweight tarball file. Mainly used for debugging. Return the name of the tarball file.