According to memcached protocol, if expiration is greater than 30 days, it is

not expressed in seconds but as a timestamp. Expirations in ERP5 are always
expressed in seconds, so we have to treat differently expiration greater than
30 days.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40409 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/MemcachedTool.py

@@ -27,6 +27,7 @@
 #
 ##############################################################################
 
+import time
 from threading import local
 from Products.ERP5Type.Tool.BaseTool import BaseTool
 from Products.ERP5Type import Permissions, _dtmldir
@@ -95,6 +96,8 @@ if memcache is not None:
       self.local_cache = {}
       self.scheduled_action_dict = {}
       self.server_list = server_list
+      # see "Expiration times" from memcached protocol docs
+      self.expiration_time_since_epoch = expiration_time > (60*60*24*30)
       self.expiration_time = expiration_time
       self.server_max_key_length = server_max_key_length
       self.server_max_value_length = server_max_value_length
@@ -126,6 +129,9 @@ if memcache is not None:
         would not be ignored.
       """
       try:
+        expiration_time = self.expiration_time
+        if self.expiration_time_since_epoch:
+          expiration_time += time.time()
         for key, value in self.local_cache.iteritems():
           if getattr(value, MEMCACHED_TOOL_MODIFIED_FLAG_PROPERTY_ID, None):
             delattr(value, MEMCACHED_TOOL_MODIFIED_FLAG_PROPERTY_ID)
@@ -134,12 +140,12 @@ if memcache is not None:
           if action is UPDATE_ACTION:
             succeed = self.memcached_connection.set(encodeKey(key),
                                                     self.local_cache[key],
-                                                    self.expiration_time)
+                                                    expiration_time)
             if not succeed:
               self._initialiseConnection()
               succeed = self.memcached_connection.set(encodeKey(key),
                                                       self.local_cache[key],
-                                                      self.expiration_time)
+                                                      expiration_time)
               if not succeed:
                 LOG('MemcacheTool', 0, 'set command to memcached server (%r) failed' % (self.server_list,))
           elif action is DELETE_ACTION: