add convenient method to get a memcachedict for distribution

product/ERP5/Tool/TaskDistributionTool.py

@@ -275,3 +275,12 @@ class TaskDistributionTool(BaseTool):
     portal = self.getPortalObject()
     test_result = portal.restrictedTraverse(test_result_path)
     return test_result.getSimulationState() == "started" and 1 or 0
+
+  security.declareObjectProtected(Permissions.AccessContentsInformation)
+  def getMemcachedDict(self):
+    """ Return a dictionary used for non persistent data related to distribution
+    """
+    portal = self.getPortalObject()
+    memcached_dict = portal.portal_memcached.getMemcachedDict(
+                            "task_distribution", "default_memcached_plugin")
+    return memcached_dict