# HG changeset patch
# User Sverre Rabbelier <srabbelier@gmail.com>
# Date 1254140670 -7200
# Node ID 4ab340430bfaffc0944973807d4ed03e18ea38bb
# Parent  e11f934e606397349b93bd1898343e2cd82e0ab7
Make batch size a param to getBatchOfData

diff -r e11f934e6063 -r 4ab340430bfa app/soc/logic/models/base.py
--- a/app/soc/logic/models/base.py	Mon Sep 28 12:22:48 2009 +0200
+++ b/app/soc/logic/models/base.py	Mon Sep 28 14:24:30 2009 +0200
@@ -587,28 +587,31 @@
 
     return result
 
-  def getBatchOfData(self, filter=None, order=None, next_key=None):
+  def getBatchOfData(self, filter=None, order=None, next_key=None, batch_size=10):
     """Returns one batch of entities
 
     Args:
       filter: a dict for the properties that the entities should have
       order: a list with the sort order
       next_key: a key for the first entity that should be returned
+      batch_size: the maximum amount of entities that should be fetched
 
     Returns:
       A tuple: list of fetched entities and key value for the entity
       that should be fetched at first for the next batch
     """
 
+    batch_size = min(999, batch_size)
+
     query = self.getQueryForFields(filter=filter, order=order)
 
     if next_key is not None:
       query.filter('__key__ >=', next_key)
 
-    entities = query.fetch(self.BATCH_SIZE + 1)
+    entities = query.fetch(batch_size + 1)
 
     next_key = None
-    if len(entities) == self.BATCH_SIZE + 1:
+    if len(entities) == batch_size + 1:
       next_entity = entities.pop()
       next_key = next_entity.key()