''' book and author data ''' from dataclasses import dataclass, field from typing import List from .base_activity import ActivityObject, Image @dataclass(init=False) class Book(ActivityObject): ''' serializes an edition or work, abstract ''' authors: List[str] first_published_date: str published_date: str title: str sort_title: str subtitle: str description: str languages: List[str] series: str series_number: str subjects: List[str] subject_places: List[str] openlibrary_key: str librarything_key: str goodreads_key: str attachment: List[Image] = field(default=lambda: []) type: str = 'Book' @dataclass(init=False) class Edition(Book): ''' Edition instance of a book object ''' isbn_10: str isbn_13: str oclc_number: str asin: str pages: str physical_format: str publishers: List[str] work: str type: str = 'Edition' @dataclass(init=False) class Work(Book): ''' work instance of a book object ''' lccn: str editions: List[str] type: str = 'Work' @dataclass(init=False) class Author(ActivityObject): ''' author of a book ''' url: str name: str born: str died: str aliases: str bio: str openlibrary_key: str wikipedia_link: str type: str = 'Person'