text: class display_map_router(object):
     
   
      def db_for_read(self, model, **hints):
          """
          Point all operations on myapp2 models to 'my_db_2'
          """
          if model._meta.app_label == 'display_map':
              return 'datastore'
          return None
   
      def db_for_write(self, model, **hints):
          """
          Point all operations on myapp models to 'other'
          """
          if model._meta.app_label == 'display_map':
              return 'datastore'
          return None
   
      def allow_syncdb(self, db, model):
          """
          Make sure the 'myapp2' app only appears on the 'other' db
          """
          if db == 'datastore':
              return model._meta.app_label == 'display_map'
          elif model._meta.app_label == 'display_map':
              return False
          return None
  