__init__.py 文件源码

def _check_max_length_warning(self):
        if self.max_length is not None:
            return [
                checks.Warning(
                    "'max_length' is ignored when used with IntegerField",
                    hint="Remove 'max_length' from field",
                    obj=self,
                    id='fields.W122',
                )
            ]
        return []