+ cover = DefaultEbookCover
+ cover_file = NamedTemporaryFile(suffix='.png', delete=False)
+ bound_cover = cover(book_info)
+ bound_cover.save(cover_file)
+
+ if bound_cover.uses_dc_cover:
+ if document.book_info.cover_by:
+ document.edoc.getroot().set('data-cover-by', document.book_info.cover_by)
+ if document.book_info.cover_source:
+ document.edoc.getroot().set('data-cover-source', document.book_info.cover_source)