python3__面向对象__类的内置属性与方法

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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）

③