timmeh

from types import *class tc:	def __init__(self, types=[]):		self.types = types			def _wrapper(self, func):		def new_func(*args):			if len(self.types)<>len(args):				raise IndexError, 'Argument count mismatch'			for i in range(len(args)):				if type(args[i])<>self.types[i]:					raise TypeError, 'Parameter type mismatch - paramater %s' % i			return func(*args) 		return new_funcdef type_check(*types):	checker = tc(types)	return checker._wrapper@type_check(int, int)def test_int(a, b):	print a + b	@type_check(float, int)def test_float(a, b):	print a + b#workstest_int(1,2)#raises exceptiontest(1.1, 2)#workstest_float(1.1, 2)