code: def Run(self, args):
      
      time_start = time.time()
  
      args.python_code.Verify(
          config.CONFIG["Client.executable_signing_public_key"])
  
      # The execed code can assign to this variable if it wants to return data.
      logging.debug("exec for python code %s", args.python_code.data[0:100])
  
      context = globals().copy()
      context["py_args"] = args.py_args.ToDict()
      context["magic_return_str"] = ""
      # Export the Progress function to allow python hacks to call it.
      context["Progress"] = self.Progress
  
      stdout = io.StringIO()
      with utils.Stubber(sys, "stdout", StdOutHook(stdout)):
        exec(args.python_code.data, context)  # pylint: disable=exec-used
  
      stdout_output = stdout.getvalue()
      magic_str_output = context.get("magic_return_str")
  
      if stdout_output and magic_str_output:
        output = "Stdout: %s\nMagic Str:%s\n" % (stdout_output, magic_str_output)
      else:
        output = stdout_output or magic_str_output
  
      time_used = time.time() - time_start
      # We have to return microseconds.
      self.SendReply(
          rdf_client_action.ExecutePythonResponse(
              time_used=int(1e6 * time_used), return_val=output))
docs: Run.