code: def add_redirect_uris(request_args, service=None, **kwargs):
      
      _context = service.service_context
      if "redirect_uris" not in request_args:
          # Callbacks is a dictionary with callback type 'code', 'implicit',
          # 'form_post' as keys.
          try:
              _cbs = _context.callbacks
          except AttributeError:
              request_args['redirect_uris'] = _context.redirect_uris
          else:
              # Filter out local additions.
              _uris = [v for k, v in _cbs.items() if not k.startswith('__')]
              request_args['redirect_uris'] = _uris
  
      return request_args, {}
docs: Add redirect_uris to the request arguments.
  
      :param request_args: Incomming request arguments
      :param service: A link to the service
      :param kwargs: Possible extra keyword arguments
      :return: A possibly augmented set of request arguments.