code: def launch(exec_, args):
      
      if not exec_:
          raise RuntimeError(
              'Mayalauncher could not find a maya executable, please specify'
              'a path in the config file (-e) or add the {} directory location'
              'to your PATH system environment.'.format(DEVELOPER_NAME)
         )
  
      # Launch Maya
      if args.debug:
          return
  
      watched = WatchFile()
  
      cmd = [exec_] if args.file is None else [exec_, args.file]
      cmd.extend(['-hideConsole', '-log', watched.path])
      if args.debug:
          cmd.append('-noAutoloadPlugins')
      maya = subprocess.Popen(cmd)
  
      # Maya 2016 stupid clic ipm
      # os.environ['MAYA_DISABLE_CLIC_IPM'] = '1'
      # os.environ['MAYA_DISABLE_CIP'] = '1'
      # os.environ['MAYA_OPENCL_IGNORE_DRIVER_VERSION'] = '1'
  
      while True:
          time.sleep(1)
  
          maya.poll()
          watched.check()
          if maya.returncode is not None:
              if not maya.returncode == 0:
                  maya = subprocess.Popen(cmd)
              else:
                  watched.stop()
                  break
docs: Launches application.