text: # Copyright 2018 Red Hat, Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  import voluptuous as v
  
  from grafana_dashboards.schema.template.base import Base
  
  
  class Adhoc(Base):
      def get_schema(self):
          query = {
              v.Required("datasource"): v.All(str),
              v.Optional("hide"): v.All(int, v.Range(min=0, max=2)),
              v.Optional("label", default=""): v.All(str),
          }
          query.update(self.base)
          return v.Schema(query)
  