Searched refs:normalize_isbn (Results 1 – 2 of 2) sorted by relevance
17 from calibre.ebooks.metadata import MetaInformation, normalize_isbn369 …existing_isbns = {normalize_isbn(ids.get('isbn', '')): book_id for book_id, ids in book_id_identif…374 q = normalize_isbn(book['isbn'])
421 def normalize_isbn(isbn): function