Colors and orders in short menu - cache mechanism (refs #1562)

1 files changed, 17 insertions, 0 deletions

diff --git a/ishtar_common/utils.py b/ishtar_common/utils.py
index d5fc37276..f50031d5d 100644
--- a/ishtar_common/utils.py
+++ b/ishtar_common/utils.py
@@ -17,7 +17,24 @@
 
 # See the file COPYING for details.
 
+from django.core.cache import cache
 from django.utils.translation import ugettext
+from django.template.defaultfilters import slugify
+
+def get_cache(cls, extra_args=[]):
+    cache_key = cls.__name__
+    for arg in extra_args:
+        if not arg:
+            cache_key += '-0'
+        else:
+            if type(arg) == dict:
+                cache_key += '-' + "_".join([unicode(arg[k]) for k in arg])
+            elif type(arg) in (list, tuple):
+                cache_key += '-' + "_".join([unicode(v) for v in arg])
+            else:
+                cache_key += '-' + unicode(arg)
+    cache_key = slugify(cache_key)
+    return cache_key, cache.get(cache_key)
 
 def cached_label_changed(sender, **kwargs):
     if not kwargs.get('instance'):