return wrap
+def values_check(xstep):
+ @functools.wraps(xstep)
+ def wrap(self, *args, **kwargs):
+ checks = kwargs.pop('values_check', {})
+ if checks:
+ for field, check, options in checks:
+ if not check(field, options):
+ raises.BadRequest(message.invalid_value(field, options))
+ ret = yield gen.coroutine(xstep)(self, *args, **kwargs)
+ raise gen.Return(ret)
+ return wrap
+
+
def new_not_exists(xstep):
@functools.wraps(xstep)
def wrap(self, *args, **kwargs):