docs: def _put_metadata(self, fs_remote, ds):
          """Store metadata on a pyfs remote"""
  
          from six import text_type
          from fs.errors import ResourceNotFoundError
  
  
          identity = ds.identity
          d = identity.dict
  
          d['summary'] = ds.config.metadata.about.summary
          d['title'] = ds.config.metadata.about.title
  
          meta_stack = self._meta_infos(ds)
  
          def do_metadata():
              for path, ident in meta_stack:
                  fs_remote.setcontents(path, ident)
  
  
          try:
              # Assume the directories already exist
              do_metadata()
          except ResourceNotFoundError:
              # Nope, make them and try again.
              parts = ['vid', 'id', 'vname', 'name']
              for p in parts:
                  dirname = os.path.join('_meta', p)
                  fs_remote.makedir(dirname, allow_recreate=True, recursive=True)
  
              do_metadata()