docs: def json_or_jsonp(func):
      """Wrap response in JSON or JSONP style"""
      @wraps(func)
      def _(*args, **kwargs):
          mimetype = 'application/javascript'
          callback = request.args.get('callback', None)
          if callback is None:
              content = func(*args, **kwargs)
  
          else:
              content = "%s(%s)" % (callback, func(*args, **kwargs))
          return current_app.response_class(content, mimetype=mimetype)
      return _