docs: def _get_metadata_for_galaxies(
              self):
          """get metadata for galaxies
  
          .. todo ::
  
              - update key arguments values and definitions with defaults
              - update return values and definitions
              - update usage examples and text
              - update docstring text
              - check sublime snippet exists
              - clip any useful text to docs mindmap
              - regenerate the docs and check redendering of this docstring
          """
          self.log.debug('starting the ``_get_metadata_for_galaxies`` method')
  
          total, batches = self._count_galaxies_requiring_metadata()
          print "%(total)s galaxies require metadata. Need to send %(batches)s batch requests to NED." % locals()
  
          totalBatches = self.batches
          thisCount = 0
  
          # FOR EACH BATCH, GET THE GALAXY IDs, QUERY NED AND UPDATE THE DATABASE
          while self.total:
              thisCount += 1
              self._get_3000_galaxies_needing_metadata()
              dictList = self._query_ned_and_add_results_to_database(thisCount)
  
              self.add_data_to_database_table(
                  dictList=dictList,
                  createStatement=False
              )
  
              self._count_galaxies_requiring_metadata()
  
          self.log.debug('completed the ``_get_metadata_for_galaxies`` method')
          return None