new_contents: import pickle
  
  from flask import Flask, abort
  app = Flask(__name__)
  
  import petstore_impl
  import petstore_server
  
  store = petstore_impl.PetStore()
  server = petstore_server.PetStore_server(store)
  
  @app.route("/" + petstore_server.service_name + "/<args>")
  def run_service(args):
      try:
          command, args, kwargs = pickle.loads(args.decode("base64"))
      except Exception:
          abort(400)
  
      try:
          method = getattr(server, command)
      except AttributeError:
          abort(404)
  
      try:
          output = True, method(*args, **kwargs)
      except Exception as exc:
          output = False, exc
  
      return pickle.dumps(output)
  
  
  if __name__ == "__main__":
      app.run(host="0.0.0.0", port=8080)
  
subject: Add Flask equivalent for psserver and sample_rpc