From f5179bad71a5b5e65f70172b177abdcb3896fca2 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Fri, 23 Sep 2016 12:27:43 +0200
Subject: Cache: manage long keys - immediatly refresh cache after types
 modifications

---
 ishtar_common/utils.py | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'ishtar_common/utils.py')

diff --git a/ishtar_common/utils.py b/ishtar_common/utils.py
index ca9193204..60c3ac7ef 100644
--- a/ishtar_common/utils.py
+++ b/ishtar_common/utils.py
@@ -17,6 +17,7 @@
 
 # See the file COPYING for details.
 
+import hashlib
 import random
 
 from django.conf import settings
@@ -41,6 +42,13 @@ def get_cache(cls, extra_args=[]):
             else:
                 cache_key += '-' + unicode(arg)
     cache_key = slugify(cache_key)
+    if not cache_key.endswith('_current_keys') \
+            and hasattr(cls, '_add_cache_key_to_refresh'):
+        cls._add_cache_key_to_refresh(extra_args)
+    if len(cache_key) >= 250:
+        m = hashlib.md5()
+        m.update(cache_key)
+        cache_key = m.hexdigest()
     return cache_key, cache.get(cache_key)
 
 
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