def _prepare_folderfilters(folders):
content_type_id = ContentType.objects.get_for_model(Task).id
# Ignore non-filters and those who already have FolderTask prepared.
folders = filter(
lambda x: x.cache_tag_ids and x.cache_searchcache_id is None,
folders)
if not folders:
return
folder_ids = [x.id for x in folders]
FolderTask.objects.filter(folder_id__in=folder_ids).delete()
for folder in folders:
tag_ids = [int(x) for x in folder.cache_tag_ids.split(',')]
folder.cache_searchcache_id = search(tag_ids=tag_ids).id
folder.save() # Yes, send signals.
query = 'INSERT INTO folder_folder_tasks (folder_id, task_id, position)' \
' SELECT {}, SCE.object_id, SCE.object_id FROM search_searchcacheelement SCE'\
' WHERE SCE.content_type_id = {} AND SCE.cache_id = {};'.format(
folder.id,
content_type_id,
folder.cache_searchcache_id
)
cursor = connection.cursor()
cursor.execute(query)
transaction.commit_unless_managed()
def _load_line(self, search_str):
# read input file using buffering of 1 line.
with open(file=self.search_path, buffering=self.buffer_size) as \
line_to_parse:
return [
search(pattern=search_str, searched_line=parsed_line)
for parsed_line in line_to_parse.readlines()
]
def _invalidate_on_task_tags_change(sender, old_tag_ids, new_tag_ids, **kwargs):
content_type = ContentType.objects.get_for_model(Folder)
# TODO: Optimize. Filter only those folders that really need invalidation...
search_cache_ids = []
diff = set(old_tag_ids) ^ set(new_tag_ids)
for tag in diff:
search_cache = search(tag_ids=[tag])
search_cache_ids.append(search_cache.id)
folder_ids = SearchCacheElement.objects.filter(
cache_id__in=search_cache_ids, content_type=content_type)
folder_ids = list(set(folder_ids.values_list('object_id', flat=True)))
FolderTask.objects.filter(folder_id__in=folder_ids).delete()
invalidate_cache_for_folder_ids(folder_ids)
def search(self, **kwargs):
logger.info("Searching for {pattern} in string: {str}".format(
pattern=self.search_str, str=self.searched_line))
print(
search(pattern=self.search_str,
searched_line=self.searched_line).string)
def search_films(request):
search_for = request.POST.get('search')
films_list = all_films.get_all_film_names()
result_list = utils.search(films_list, search_for)
return JsonResponse(result_list)
