def _update_database_after_move(self, src_file_web_path, dst_file_web_path):
try:
media_file = File.objects.get(
name=(os.path.basename(src_file_web_path)),
directory__path=os.path.dirname(src_file_web_path))
# create parent directory objects
dst_dir_web_path = os.path.dirname(dst_file_web_path)
self._create_directories_in_chain(dst_dir_web_path)
# if media_file is moved to trash save current timestamp as trash_time
# otherwise unset trash_time
move_to_trash = locations.web_path_in_trash(dst_file_web_path)
if move_to_trash:
now = localized_time(datetime.now())
trash_time = now
else:
trash_time = None
# parent directory should exist
new_directory = Directory.objects.get(path=dst_dir_web_path)
# update directory modification times
self._update_directory_mtime(new_directory)
self._update_directory_mtime(media_file.directory)
media_file.directory = new_directory
media_file.trash_time = trash_time
media_file.save()
except (File.DoesNotExist, Directory.DoesNotExist):
raise BadRequestException("Database object doesn't exist: (name={0})".format(src_file_web_path))
def remove_old_trash_files():
month_ago = localized_time(datetime.now() - timedelta(days=30))
# select images from trash that were moved month before or earlier
old_images_in_trash = Image.objects.filter(
Q(directory__path__startswith="Trash/") | Q(directory__path__exact="Trash")
).filter(trash_time__lte=month_ago)
# remove file in collection
# thumbnails and database object will be removed by Thumbnailer and Indexer respectively
for image in old_images_in_trash:
image_phys_path = locations.collection_phys_path(image.path)
all_files_with_prefix = set(glob.glob(os.path.splitext(image_phys_path)[0] + ".*"))
logging.info("Removing outdated files in trash: " + " ".join(all_files_with_prefix))
for file_name in all_files_with_prefix:
os.unlink(file_name)
# remove directory in trash if empty
trash_dir_phys_path = locations.collection_phys_path(locations.TRASH_DIR_NAME)
for (root, dirs, files) in os.walk(trash_dir_phys_path, topdown=False):
for directory in dirs:
try:
dir_path = os.path.join(root, directory)
os.rmdir(dir_path)
logging.info("Removing empty directory in trash: " + dir_path)
except IOError as e:
# directory isn't empty - skipping
pass
def _get_miniature_timestamp(cls, miniature_phys_path):
timestamp_match = re.search(TIMESTAMP_PATTERN, miniature_phys_path)
if timestamp_match:
timestamp_strig = timestamp_match.group(0)[1:]
miniature_mtime = datetime.strptime(timestamp_strig, TIMESTAMP_FORMAT)
return localized_time(miniature_mtime)
return None
def _fix_image_properties(cls):
# assign any non assigned images to image group
for image in Image.objects.filter(image_group__isnull=True):
cls._assign_image_to_image_group(image)
# for all images in Trash with empty trash_time, set it to current timestamp
count = Image.objects \
.filter(Q(directory__path__startswith='Trash/') | Q(directory__path__exact='Trash')) \
.filter(trash_time__isnull=True) \
.update(trash_time=(localized_time(datetime.now())))
if count:
logging.info("updated trash_time of {} trashed images.".format(count))
def get_mtime_datetime(path):
mtime = datetime.datetime.fromtimestamp(os.path.getmtime(path))
mtime_with_second_resolution = mtime.replace(microsecond=0)
return localized_time(mtime_with_second_resolution)
