base.py 文件源码

def create_template_loader(self):
        template_roots = []

        cls = self.__class__
        while True:
            template_roots.append(os.path.dirname(inspect.getfile(cls)))
            cls = get_base_class(cls)
            if cls in (BaseIgnitionPackage, None):
                break

        return ChoiceLoader([FileSystemLoader(root) for root in template_roots])