class _C:
def _m(self): passc = _C()
c._m
>
_C._m
_C.__dict__['_m']
==========================================
type(_C.__dict__['_m'])
type(_C._m)
type(c._m)
==========================================
func
func.im_func
func.im_self is None
True # 因为这是一个unbound method
func.im_class
【bound|bound method/unbound method/function】实际上类的方法都会被转换为非数据型描述符
def demo_function(*args,**kwargs):
print args,kwargsclass FooClass(object):
def demo_method(self):
passdemo_method2 = demo_functionfoo_instance = FooClass()print FooClass.__dict__['demo_method2']() #什么输出都没有
print FooClass.demo_method2() # 报错TypeError: unbound method demo_function() must be called with FooClass instance as first argument (got nothing instead)也就是说，python回去检查第一个参数是什么
print FooClass.demo_method2(foo_instance )
print foo_instance.demo_method2()
