+ # ugly, but we can't use wldoc.book_info here
+ from librarian import DCNS
+ url_elem = wldoc.edoc.getroot().find('.//' + DCNS('identifier.url'))
+ if url_elem is None:
+ gallery = ''
+ else:
+ gallery = gallery_url(slug=url_elem.text.rsplit('/', 1)[1])
+ return wldoc.as_html(options={'gallery': "'%s'" % gallery})