Python __new__示例

示例#1

 def __new__(cls, *args, **kwargs):
     if not cls._instance:
         cls._instance = IStatParent.__new__(cls, *args, **kwargs)
     return cls._instance

示例#2

文件： core.py 项目： LinuxCNC/linuxcnc

 def __new__(cls, *args, **kwargs):
     if not cls._instance:
         cls._instance = IStatParent.__new__(cls, *args, **kwargs)
     return cls._instance