IS_EXPR(lambda value: None(=)

2013-02-15 10:51:30 -06:00
parent 5618350c0b
commit 564f07e354
2 changed files with 4 additions and 1 deletions
@@ -237,6 +237,9 @@ class IS_EXPR(Validator):
        self.environment = environment or {}

    def __call__(self, value):
+        if callable(self.expression):
+            return (value, self.expression(value))
+        # for backward compatibility
        self.environment.update(value=value)
        exec '__ret__=' + self.expression in self.environment
        if self.environment['__ret__']: