+def search_pictures(query):
+ search = Search()
+ results_parts = []
+ search_fields = []
+ words = query.split()
+ fieldsets = (
+ (['authors', 'authors_nonstem'], True),
+ (['title', 'title_nonstem'], True),
+ (['metadata', 'metadata_nonstem'], True),
+ (['themes_pl', 'themes_pl_nonstem'], False),
+ )
+ for fields, is_book in fieldsets:
+ search_fields += fields
+ results_parts.append(search.search_words(words, search_fields, required=fields, book=is_book, picture=True))
+ results = []
+ ids_results = {}
+ for results_part in results_parts:
+ for result in sorted(PictureResult.aggregate(results_part), reverse=True):
+ picture_id = result.picture_id
+ if picture_id in ids_results:
+ ids_results[picture_id].merge(result)
+ else:
+ results.append(result)
+ ids_results[picture_id] = result