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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来源：https://blog.csdn.net/admin_maxin/article/details/83894961