old_contents: # Copyright 2015 gRPC authors.
  #
  # 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.
  """The Python implementation of the GRPC helloworld.Greeter server."""
  
  from concurrent import futures
  import time
  import logging
  
  import grpc
  
  import helloworld_pb2
  import helloworld_pb2_grpc
  
  _ONE_DAY_IN_SECONDS = 60 * 60 * 24
  
  
  class Greeter(helloworld_pb2_grpc.GreeterServicer):
  
      def SayHello(self, request, context):
          return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name)
  
  
  def serve():
      server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
      helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server)
      server.add_insecure_port('[::]:50051')
      server.start()
  
      server.wait_for_termination()
  
  
  if __name__ == '__main__':
      logging.basicConfig()
      serve()
  
new_contents: # Copyright 2015 gRPC authors.
  #
  # 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.
  """The Python implementation of the GRPC helloworld.Greeter server."""
  
  from concurrent import futures
  import time
  import logging
  
  import grpc
  
  import helloworld_pb2
  import helloworld_pb2_grpc
  
  _ONE_DAY_IN_SECONDS = 60 * 60 * 24
  
  
  class Greeter(helloworld_pb2_grpc.GreeterServicer):
  
      def SayHello(self, request, context):
          return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name)
  
  
  def serve():
      server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
      helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server)
      server.add_insecure_port('[::]:50051')
      server.start()
      try:
          while True:
              time.sleep(_ONE_DAY_IN_SECONDS)
      except KeyboardInterrupt:
          server.stop(0)
  
  
  if __name__ == '__main__':
      logging.basicConfig()
      serve()
  
subject: Revert changes to helloworld example