docs: def train_rdp_classifier(
          training_seqs_file, taxonomy_file, model_output_dir, max_memory=None,
          tmp_dir=tempfile.gettempdir()):
      """ Train RDP Classifier, saving to model_output_dir
  
          training_seqs_file, taxonomy_file: file-like objects used to
              train the RDP Classifier (see RdpTrainer documentation for
              format of training data)
  
          model_output_dir: directory in which to save the files
              necessary to classify sequences according to the training
              data
  
      Once the model data has been generated, the RDP Classifier may
      """
      app_kwargs = {}
      if tmp_dir is not None:
          app_kwargs['TmpDir'] = tmp_dir
      app = RdpTrainer(**app_kwargs)
  
      if max_memory is not None:
          app.Parameters['-Xmx'].on(max_memory)
  
      temp_taxonomy_file = tempfile.NamedTemporaryFile(
          prefix='RdpTaxonomy_', suffix='.txt', dir=tmp_dir)
      temp_taxonomy_file.write(taxonomy_file.read())
      temp_taxonomy_file.seek(0)
  
      app.Parameters['taxonomy_file'].on(temp_taxonomy_file.name)
      app.Parameters['model_output_dir'].on(model_output_dir)
      return app(training_seqs_file)