| 123456789101112131415161718192021222324252627282930313233 | import pathlibimport osfrom .handler import handlerclass file_handler(handler):        def __init__(self, target: pathlib.Path) -> None:        super().__init__()        self.__target = target        self.__handler = None    def add(self, content: str) -> None:        if not self.is_ready:            self.open()                self.__handler.write(content + os.linesep)    @property    def is_ready(self) -> bool:         return self.__handler is not None and not self.__handler.closed    def open(self) -> None:        if self.__handler is None or self.__handler.closed:            self.__handler = self.__target.open("a")    def clean(self) -> None:        if self.__handler is None or self.__handler.closed:            return        self.__handler.close()
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