code: def stage_config(self):
          
  
          def get_stage_setting(stage, extended_stages=None):
              if extended_stages is None:
                  extended_stages = []
  
              if stage in extended_stages:
                  raise RuntimeError(stage + " has already been extended to these settings. "
                                             "There is a circular extends within the settings file.")
              extended_stages.append(stage)
  
              try:
                  stage_settings = dict(self.zappa_settings[stage].copy())
              except KeyError:
                  raise ClickException("Cannot extend settings for undefined stage '" + stage + "'.")
  
              extends_stage = self.zappa_settings[stage].get('extends', None)
              if not extends_stage:
                  return stage_settings
              extended_settings = get_stage_setting(stage=extends_stage, extended_stages=extended_stages)
              extended_settings.update(stage_settings)
              return extended_settings
  
          settings = get_stage_setting(stage=self.api_stage)
  
          # Backwards compatible for delete_zip setting that was more explicitly named delete_local_zip
          if u'delete_zip' in settings:
              settings[u'delete_local_zip'] = settings.get(u'delete_zip')
  
          settings.update(self.stage_config_overrides)
  
          return settings
docs: A shortcut property for settings of a stage.