partially revert r31126, because exclude_quantity argument can be useful and...

partially revert r31126, because exclude_quantity argument can be useful and there is no need to remove it.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31206 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/rule.py

@@ -273,14 +273,22 @@ class RuleMixin:
     """
     raise NotImplementedError
 
-  def _getDivergenceTesterList(self):
+  def _getDivergenceTesterList(self, exclude_quantity=True):
     """
     Return the applicable divergence testers which must
     be used to test movement divergence. (ie. not all
     divergence testers of the Rule)
-    """
-    return filter(lambda x:x.isTestingProvider(), self.objectValues(
-      portal_type=self.getPortalDivergenceTesterTypeList()))
+
+     exclude_quantity -- if set to true, do not consider
+                         quantity divergence testers
+     """
+    if exclude_quantity:
+      return filter(lambda x:x.isTestingProvider() and \
+                    x.getTestedProperty() != 'quantity', self.objectValues(
+        portal_type=self.getPortalDivergenceTesterTypeList()))
+    else:
+      return filter(lambda x:x.isTestingProvider(), self.objectValues(
+        portal_type=self.getPortalDivergenceTesterTypeList()))
 
   def _getMatchingTesterList(self):
     """