text: # -*- coding: utf-8 -*-
  # Copyright 2016 OpenMarket Ltd
  #
  # 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.
  
  from synapse.http.servlet import RestServlet
  
  import logging
  import re
  
  logger = logging.getLogger(__name__)
  
  
  class VersionsRestServlet(RestServlet):
      PATTERNS = [re.compile("^/_matrix/client/versions$")]
  
      def on_GET(self, request):
          return (200, {
              "versions": [
                  "r0.0.1",
                  "r0.1.0",
                  "r0.2.0",
                  "r0.3.0",
              ]
          })
  
  
  def register_servlets(http_server):
      VersionsRestServlet().register(http_server)
  