code: def _api_help(self):
          
          response.content_type = 'application/json; charset=utf-8'
  
          # Update the stat
          view_data = self.stats.get_plugin("help").get_view_data()
          try:
              plist = json.dumps(view_data, sort_keys=True)
          except Exception as e:
              abort(404, "Cannot get help view data (%s)" % str(e))
          return plist
docs: Glances API RESTful implementation.
  
          Return the help data or 404 error.