new_contents: # coding=utf-8
  
  from ctypes import *
  
  from py_sys.utils import decorator
  
  class WindowsInfo():
      def __init__(self):
          pass
      
      @decorator.check_os(['windows'])
      def cpu(self):
          pass
      
      @decorator.check_os(['windows'])
      def memory(self):
          pass
  
  
  
subject: Add WindowsInfo to info