models.py 文件源码

def get_related_objects_create_api(user, data):
        """
        Selects related object for book instance when create a new book; creates author object if needed.
        """
        try:
            author = Author.objects.get(author_name__iexact=data.get('author'))
        except ObjectDoesNotExist:
            author = Author.objects.create(author_name=data.get('author'))

            logger.info("Created new author with name: '{}' and id: '{}'."
                        .format(author.author_name, author.id))

        category = Category.objects.get(category_name=data.get('category'))
        lang = Language.objects.get(language=data.get('language'))

        return {'author': author, 'category': category, 'lang': lang}

    # ------------------------------------------------------------------------------------------------------------------