Make possible to have infinite cache (still limited to zope scope, will get...

Make possible to have infinite cache (still limited to zope scope, will get flushed when zope is restarted) by allowing to specify None as a duration.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9047 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Cache.py

@@ -113,7 +113,7 @@ class CachingMethod:
         try:
           for index in CachingMethod.cached_object_dict.keys():
             obj = CachingMethod.cached_object_dict[index]
-            if obj.time + obj.duration < now:
+            if obj.duration is not None and obj.time + obj.duration < now:
               # LOG('CachingMethod', 0, 'expire %s' % index)
               del CachingMethod.cached_object_dict[index]
         except KeyError:
@@ -131,7 +131,7 @@ class CachingMethod:
     index = str(index)
 
     obj = CachingMethod.cached_object_dict.get(index)
-    if obj is None or obj.time + obj.duration < now:
+    if obj is None or (obj.duration is not None and obj.time + obj.duration < now):
       #LOG('CachingMethod', 0, 'cache miss: id = %s, duration = %s, method = %s, args = %s, kwd = %s' % (str(self.id), str(self.duration), str(self.method), str(args), str(kwd)))
       obj = CachedObject()
       obj.time = now