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[enh] handle cache version to avoid conflicts

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This commit is contained in:
Laurent Peuch 2016-02-08 04:55:34 +01:00
parent 0ab845eada
commit bd9d8f0cfd
1 changed files with 6 additions and 0 deletions
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6
prosopopee/prosopopee.py
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@ -14,6 +14,8 @@ gallery_index_template = templates.get_template("gallery-index.html")
DEFAULT_GM_QUALITY = 75
CACHE_VERSION = 1
class CacheKeys(object):
SIZE = "size"
GM_QUALITY = "gm_quality"
@ -29,6 +31,10 @@ class Cache(object):
if os.path.exists(os.path.join(os.getcwd(), ".prosopopee_cache")):
self.cache = json.load(open(self.cache_file_path, "r"))
else:
self.cache = {"version": 1}
if "version" not in self.cache or self.cache["version"] != CACHE_VERSION:
print "info: cache format as changed, prune cache"
self.cache = {}
def thumbnail_needs_to_be_generated(self, source, target, gm_quality):