+ iofile = IOFile.from_filename(file_path)
+ basename, ext = file_path.rsplit('.', 1)
+ if os.path.isdir(basename):
+ for att_name in os.listdir(basename):
+ iofile.attachments[att_name] = IOFile.from_filename(
+ os.path.join(basename, att_name))
+ lesson = Lesson.publish(iofile)