:param func:       func to be decorated
        :return:           func that is now decorated

def decorate_method(cls, func):
        """
        :param func:       func to be decorated
        :return:           func that is now decorated
        """
        func_args = [arg for arg in function_arguments(func) if arg != 'self']
        method_return_types = \
            Endpoint._parse_function_return_types_from_doc(func.__doc__)
        name = '%s.%s' % (cls.path, func.__name__)

        @wraps(func)
        def method_decorator(self, *args, **kwargs):
            for i in range(len(args)):
                kwargs[func_args[i]] = args[i]

            api_call = self.connection._pre_process_call(
                name, endpoint_params=kwargs)
            try:
                data = func(**kwargs)
            except RestException as e:
                api_call.error = e
                raise e

            except Exception as e:
                call_queue = self.connection._call_queue.get(
                    self.connection._get_thread_id(), [])
                if api_call in call_queue:
                    call_queue.remove(api_call)
                e = RestException(original_error=e,
                                  stack=traceback.format_exc())
                log.error('ApiCall Exception: %s' % e, exc_info=True)
                raise e
            return self.connection._post_process_call(
                api_call, data, method_return_types)

        method_decorator.rest_method = True
        return method_decorator