wrap batch execution with transaction.manager

rattail/pyramid/views/batches.py

@@ -29,6 +29,7 @@
 import formalchemy
 from sqlalchemy import and_, or_
 
+import transaction
 from pyramid.httpexceptions import HTTPFound
 from pyramid.renderers import render
 from pyramid.response import Response
@@ -801,6 +802,8 @@ def execute(context, request):
     # print 'got a batch'
 
     uuid = request.matchdict['uuid']
+
+    with transaction.manager:
         batch = Session.query(rattail.Batch).get(uuid) if uuid else None
         if not batch:
             return home