>>> import pfromf >>> pfromf.f2() Traceback (most recent call last): File "", line 1, in ? pfromf.error: Callback fpy not defined (as an argument or module pfromf attribute). >>> def f(): print "python f" ... >>> pfromf.fpy = f >>> pfromf.f2() in f2, calling f2py.. python f >>> pfromf.f1() in f1, calling f2 twice.. in f2, calling f2py.. python f in f2, calling f2py.. python f >>>