gistfile1.txt

class N(object): # analogous to a Task class
    def __init__(self, func):
        self.run = func
        self.a = ":("
        self.b = ":("
        self.c = ":("
        self.d = ":("

    def __call__(self, *args, **kw):
        print 'N WRAPPED a:', self.a, 'b:', self.b, 'c:', self.c, 'd:', self.d
        return self.run(*args, **kw)

def decodeco(f): #super meta decorator decorator
    print 'A'
    def inner(g):
        print 'B'
        if not isinstance(g, N):
            return f(N(g))
        else:
            return f(g)
    return inner

def deco(a,b):#similar to say... @hosts or @roles
    print 'C'
    @decodeco
    def real_deco(f):
        print 'D'
        f.a = a
        f.b = b
        return f
    return real_deco

def deco2(a, b): # similar to say... @hosts
    print 'E'
    @decodeco
    def real_deco(f):
        print 'F'
        f.c = a
        f.d = b
        return f
    return real_deco

@decodeco
def deco3(f): #similar to say... @default
    f.c = 'x'
    f.d = 'y'
    return f


#@deco2('c','d')
@deco('a','b')
@deco3
def f(x, y): # a task
    print "i am f! x:", x, "y:", y

f('x','y')