__init__.py 文件源码

def create_file_in_config_folder(self, filename: str, mode: int=None) -> TextIO:
        """
        :param filename: the name of the file in the generated config folder
        :param mode: pass an ``int`` here if you want to modify the files mode (will be umasked)
        :return: an open file descriptor (``TextIO``) object that the *caller must call `.close()` on*
        """
        if os.path.isfile(filename):
            raise InvalidArgumentException("Call create_file_in_config_folder with a filename, not a path")

        self.ensure_config_folder()
        f = cast(TextIO, io.open(os.path.join(self.configfolder, filename), mode="wt", encoding="utf-8"))

        if mode:
            os.chmod(os.path.join(self.configfolder, filename), get_umasked_mode(mode))

        return f