text: import sys
  import time
  
  from .synthesizer import _setup, _start, _loop_once, _loop_forever, _stop
  
  class Executable:
      def __init__(self, args=None):
          if args!=None:
              # override the command line arguments
              sys.argv = [sys.argv[0]] + args
  
          # the setup MUST pass without errors
          _setup()
  
          while True:
              # keep running until KeyboardInterrupt
              try:
                  _start()
                  _loop_forever()
              except RuntimeError:
                  # restart after one second
                  time.sleep(1)
              except KeyboardInterrupt:
                  raise SystemExit
  