text: from __future__ import unicode_literals
  
  import copy
  
  from rest_framework.routers import DefaultRouter, SimpleRouter
  
  
  class ImportExportRouter(DefaultRouter):
      """
      Map http methods to actions defined on the import-export mixins.
      """
  
      routes = copy.deepcopy(SimpleRouter.routes)
      routes[0].mapping.update({
          'get': 'download',
          'post': 'upload',
      })
  