gistfile1.txt

In [1]: class Foo(object):
   ...:     pass
   ...: 

In [2]: def bar(self):
   ...:     pass
   ...: 

In [3]: bar.__get__
Out[3]: <method-wrapper '__get__' of function object at 0x10fdc6398>

In [4]: bar
Out[4]: <function __main__.bar>

In [5]: Foo.bar = bar

In [6]: Foo.bar.__get__
Out[6]: <method-wrapper '__get__' of instancemethod object at 0x10f8ef870>

In [7]: Foo.bar
Out[7]: <unbound method Foo.bar>

In [8]: f = Foo()

In [9]: f.bar.__get__
Out[9]: <method-wrapper '__get__' of instancemethod object at 0x10f8ef820>

In [10]: f.bar
Out[10]: <bound method Foo.bar of <__main__.Foo object at 0x10fdc7250>>