gistfile1.txt

(djinn@pietbook)-(105/ttys020)-(00:04:16:26-09-11)-(~/code/fabutil)-(master)
$ cat fabfile.py
from fabutil import *

@task
def foo():
    print "i'm in foo"

@task
def bar():
    print "i'm in bar"
    foo()
(djinn@pietbook)-(106/ttys020)-(00:04:22:26-09-11)-(~/code/fabutil)-(master)
$ fab bar
>>> entering bar
  i'm in bar
  >>> entering foo
    i'm in foo
  >>> leaving foo
>>> leaving bar

Done.
(djinn@pietbook)-(107/ttys020)-(00:04:26:26-09-11)-(~/code/fabutil)-(master)
$