validate_rapier.py 文件源码

def validate_permalink_template_template(self, node, key, template):
        formatter = string.Formatter()
        try:
            parsed_format = list(formatter.parse(template))
        except Exception as e:
            return self.error('error parsing query path segment string: %s' % e, key)
        leading_parts = [part for part in parsed_format if part[1] is not None]
        if len(leading_parts) != 1:
            self.error('permalinkTemplate template %s must include exactly one {name} element after ;' % query_path_segment_string)
        else:
            part = leading_parts[0]
        if part[1] == '':
            self.error('property name required between {} characters after %s in permalinkTemplate template %s' %(leading_parts[0] ,query_path_segment_string))