def create_comic_cover(comic_path, db_cover_path, force=False):
"""Create a comic cover thumnail and save it to disk."""
try:
if db_cover_path == MISSING_COVER_FN and not force:
LOG.debug(f"Cover for {comic_path} missing.")
return
fs_cover_path = COVER_ROOT / db_cover_path
if fs_cover_path.exists() and not force:
LOG.debug(f"Cover already exists {comic_path} {db_cover_path}")
return
fs_cover_path.parent.mkdir(exist_ok=True, parents=True)
if comic_path is None:
comic = Comic.objects.only("path").get(cover_path=db_cover_path)
comic_path = comic.path
# Reopens the car, so slightly inefficient.
car = ComicArchive(comic_path)
im = Image.open(BytesIO(car.get_cover_image()))
im.thumbnail(THUMBNAIL_SIZE)
im.save(fs_cover_path, im.format)
LOG.info(f"Created cover thumbnail for: {comic_path}")
QUEUE.put(LibraryChangedTask())
except Exception as exc:
LOG.error(f"Failed to create cover thumb for {comic_path}")
LOG.exception(exc)
Comic.objects.filter(comic_path=comic_path).update(
cover_path=MISSING_COVER_FN)
LOG.warn(f"Marked cover for {comic_path} missing.")
def test_get_covers():
car = ComicArchive(ARCHIVE_PATH)
page = car.get_cover_image()
with open(COVER_IMAGE, "rb") as cif:
image = cif.read()
assert image == page