decorating

_decorate.py

class decorate():
	def __init__(self, func, *a):
		self.func = func
	
	def __call__(self, *a):
		return self.func(*a)


@decorate
def func(arg):
	print arg

func('foo')

curry.py

class curried(object):

	def __init__(self, func, *a):
		self.func = func
		self.args = a
	
	def __call__(self, *a):
		args = self.args + a
		if len(args) < self.func.func_code.co_argcount:
			return curried(self.func, *args)
		else:
			return self.func(*args)

@curried
def add(a,b):
	return a + b

# print board
row_size = 8
for i in range(1,row_size+1):
	addi = add((i-1)*row_size+1)
	print [addi(j) for j in range(0,row_size)]

gift.py

class decorate():
	def __init__(self, func, *a):
		self.func = func
		self.is_open = False
	
	def __call__(self, *a):
		if self.is_open:
			return self.func(*a)

	def open(self):
		self.is_open = True



@decorate
def gift(item):
	print item


gift('toy car')
gift.open()
gift('toy car')