From 8a79fda820664075b7a5afddd5e6b5de84fad5c9 Mon Sep 17 00:00:00 2001 From: Michael Mandl Date: Sat, 10 Nov 2018 15:18:43 +0100 Subject: [PATCH] Name cache files by absolute path hash --- slider.py | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/slider.py b/slider.py index 9b43e77..1e91fab 100755 --- a/slider.py +++ b/slider.py @@ -5,6 +5,7 @@ from random import choice from pathlib import Path from PIL import Image from time import time +from hashlib import sha256 import config @@ -39,14 +40,19 @@ def image(filename): cache_dir = Path(config.cachedir) / ("%sx%s" % cache_resolution) if not cache_dir.exists(): + print("Creating cache dir", cache_dir) cache_dir.mkdir(parents=True) - if not (cache_dir / filename).exists(): - img = Image.open(Path(config.imgdir) / filename) - img.thumbnail(cache_resolution) - img.save(cache_dir / filename) + original_file_path = Path(config.imgdir) / filename + cache_file = sha256(str(original_file_path.resolve()).encode("utf-8")).hexdigest() - return send_from_directory(cache_dir, filename) + if not (cache_dir / cache_file).exists(): + print("Creating cache file", filename) + img = Image.open(original_file_path) + img.thumbnail(cache_resolution) + img.save(cache_dir / cache_file, "JPEG") + + return send_from_directory(cache_dir, cache_file) if __name__ == "__main__":