Finding the name of a class

[Bruno Desthuilliers]

Kirk Strauser wrote:
> Bruno Desthuilliers wrote:
> 
>> Kirk Strauser wrote:
> 
>>>>>> class foo(object):
>>>>>>     pass
>>> how can I find its name, such as:
>>>
>>>>>> b = foo
> 
>> I suppose you mean b = foo() ?
> 
> Actually, I meant 'b = foo' in this case - I want to find the name of the
> class that b references, 

Ok. Could have been a typo, just wanted to make sure.


>> The name of a class is in the attribute '__name__' of the class. The
>> class of an object is in the attribute '__class__' of the object.
> 
> I swear that didn't work earlier.  Honest.  :-)

Not sure if it works for old-style classes...

> OK, now for the good stuff.  In the code below, how can I find the name of
> the class that 'bar' belongs to:
> 
>>>> class Foo(object):
> ...     def bar(self):
> ...             pass
> ...
>>>> b = Foo.bar
>>>> dir(b)
> ['__call__', '__class__', '__cmp__', '__delattr__', '__doc__', '__get__', '__getattribute__', '__hash__', '__init__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__str__', 'im_class', 'im_func', 'im_self']

>>> b.im_class
<class '__main__.Foo'>
>>> b.im_class.__name__
'Foo'
>>>


>>>> b.__class__

This will give you the class of b itself. Remember that in Python,
everything and it's sister is an object - including functions, methods,
classes and modules.

In this case, b is a method object - IOW a descriptor that wraps a
function object.


-- 
bruno desthuilliers
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in 'onurb at xiludom.gro'.split('@')])"