gistfile1.py

>>> def do_something():
...     print 'here'
...     for x in xrange(0, 8):
...             yield x
... 
>>> do_something()
<generator object do_something at 0x100428aa0>
>>> foo = do_something()
>>> foo
<generator object do_something at 0x100428b40>
>>> dir(foo)
['__class__', '__delattr__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__iter__', '__name__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'close', 'gi_code', 'gi_frame', 'gi_running', 'next', 'send', 'throw']