code: def setDefaultOptions(config):
      
      config.batchSystem = "singleMachine"
      config.disableAutoDeployment = False
      config.environment = {}
      config.statePollingWait = None  # if not set, will default to seconds in getWaitDuration()
      config.maxLocalJobs = multiprocessing.cpu_count()
      config.manualMemArgs = False
  
      # single machine
      config.scale = 1
      config.linkImports = False
  
      # mesos
      config.mesosMasterAddress = '%s:5050' % getPublicIP()
  
      # parasol
      config.parasolCommand = 'parasol'
      config.parasolMaxBatches = 10000
docs: Set default options for builtin batch systems. This is required if a Config
      object is not constructed from an Options object.