code: def copy(src_uri, dest_base_uri, config_path=None, progressbar=None):
      
      dataset = DataSet.from_uri(src_uri)
  
      proto_dataset = _copy_create_proto_dataset(
          dataset,
          dest_base_uri,
          config_path,
          progressbar
      )
      _copy_content(dataset, proto_dataset, progressbar)
      proto_dataset.freeze(progressbar=progressbar)
  
      return proto_dataset.uri
docs: Copy a dataset to another location.
  
      :param src_uri: URI of dataset to be copied
      :param dest_base_uri: base of URI for copy target
      :param config_path: path to dtool configuration file
      :returns: URI of new dataset