python3 面向对象__类的内置属性与方法的实例代码
0.object类源码
class object: """ The most base type """ def __delattr__(self, *args, **kwargs): # real signature unknown """ Implement delattr(self, name). """ pass def __dir__(self): # real signature unknown; restored from __doc__ """ __dir__() -> list default dir() implementation """ return [] def __eq__(self, *args, **kwargs): # real signature unknown """ Return self==value. """ pass def __format__(self, *args, **kwargs): # real signature unknown """ default object formatter """ pass def __getattribute__(self, *args, **kwargs): # real signature unknown """ Return getattr(self, name). """ pass def __ge__(self, *args, **kwargs): # real signature unknown """ Return self>=value. """ pass def __gt__(self, *args, **kwargs): # real signature unknown """ Return self>value. """ pass def __hash__(self, *args, **kwargs): # real signature unknown """ Return hash(self). """ pass def __init_subclass__(self, *args, **kwargs): # real signature unknown """ This method is called when a class is subclassed. The default implementation does nothing. It may be overridden to extend subclasses. """ pass def __init__(self): # known special case of object.__init__ """ Initialize self. See help(type(self)) for accurate signature. """ pass def __le__(self, *args, **kwargs): # real signature unknown """ Return self<=value. """ pass def __lt__(self, *args, **kwargs): # real signature unknown """ Return self<value. """ pass @staticmethod # known case of __new__ def __new__(cls, *more): # known special case of object.__new__ """ Create and return a new object. See help(type) for accurate signature. """ pass def __ne__(self, *args, **kwargs): # real signature unknown """ Return self!=value. """ pass def __reduce_ex__(self, *args, **kwargs): # real signature unknown """ helper for pickle """ pass def __reduce__(self, *args, **kwargs): # real signature unknown """ helper for pickle """ pass def __repr__(self, *args, **kwargs): # real signature unknown """ Return repr(self). """ pass def __setattr__(self, *args, **kwargs): # real signature unknown """ Implement setattr(self, name, value). """ pass def __sizeof__(self): # real signature unknown; restored from __doc__ """ __sizeof__() -> int size of object in memory, in bytes """ return 0 def __str__(self, *args, **kwargs): # real signature unknown """ Return str(self). """ pass @classmethod # known case def __subclasshook__(cls, subclass): # known special case of object.__subclasshook__ """ Abstract classes can override this to customize issubclass(). This is invoked early on by abc.ABCMeta.__subclasscheck__(). It should return True, False or NotImplemented. If it returns NotImplemented, the normal algorithm is used. Otherwise, it overrides the normal algorithm (and the outcome is cached). """ pass __class__ = None # (!) forward: type, real value is '' __dict__ = {} __doc__ = '' __module__ = ''
1.内置属性说明
①__class__:说明对象处于模块中的哪一个类
②[类名].__dict__:打印类的所有属性与方法(包括继承自基类的属性和方法)(包括内置属性和方法)
[对象].__dict__:打印对象的所有属性(私有和公有)
总结
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