gistfile1.py

def arg_types(*types):
    def wrapper(function):
        def inner_wrap(*wrapped_args):
            if len(types) != len(wrapped_args):
                raise Exception(''.join(
                                       [
                                        'Incorrect argument amount, this ',
                                        'argument requires {} argument and ',
                                        'you provided {} to the decorator.']
                                        ).format(len(wrapped_args), len(types)))

            for pair in zip(types, wrapped_args):
                if type(pair[1]) != pair[0]:
                    raise TypeError
            return function(*wrapped_args)
        return inner_wrap
    return wrapper

@arg_types(int)
def type_hinted_function(x, y):
    return x, y


print type_hinted_function(1, 10)
type_hinted_function('1', 10)