mmengine.utils.check_prerequisites¶ mmengine.utils.check_prerequisites(prerequisites, checker, msg_tmpl='Prerequisites "{}" are required in method "{}" but not found, please install them first.')[源代码]¶ A decorator factory to check if prerequisites are satisfied. 参数: prerequisites (str of list[str]) – Prerequisites to be checked. checker (callable) – The checker method that returns True if a prerequisite is meet, False otherwise. msg_tmpl (str) – The message template with two variables. 返回: A specific decorator. 返回类型: decorator