def __parse_book_to_po(self, book): #把Book转化为两个PO实体 #steop1 : book->goods goods = GoodsPO() goods.isbn = book.isbn goods.instant_price = book.instant_price goods.link = book.link goods.platform = book.platform goods.crawling_time = book.crawling_time #step2 : book->bookpo bookpo = BookPO() bookpo.description = book.description bookpo.author = book.author bookpo.isbn = book.isbn bookpo.press = book.press bookpo.title = book.title bookpo.price = book.price bookpo.cover = book.cover return (goods, bookpo)