add concept search filtering select fix

expert/browser/search.py

@@ -21,6 +21,8 @@ Definition of basic view classes and other browser related stuff for the
 loops.expert package.
 """
 
+import json
+
 from zope import interface, component
 from zope.app.pagetemplate import ViewPageTemplateFile
 from zope.cachedescriptors.property import Lazy
@@ -207,13 +209,14 @@ class Search(ConceptView):
         data.sort(key=lambda x: x['sort'])
         if not title:
             data.insert(0, {'label': '', 'name': '', 'id': ''})
-        json = []
+        jsonData = dict(itentifier='id')
+        jsonItems = []
         for item in data[:100]:
-            json.append("{label: '%s', name: '%s', id: '%s'}" %
-                          (item['label'], item['name'], item['id']))
-        json = "{identifier: 'id', items: [%s]}" % ', '.join(json)
-        #print '***', json
-        return json
+            jsonItems.append(dict(label=item['label'],
+                                  name=item['name'],
+                                  id=item['id']))
+        jsonData['items'] = jsonItems
+        return json.dumps(jsonData)
 
     def executeQuery(self, **kw):
         return ConceptQuery(self).query(**kw)