exception should not be raised in converting to HTML inside getContentInformation().

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42009 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/discoverable.py

@@ -28,6 +28,7 @@
 ##############################################################################
 
 from AccessControl import ClassSecurityInfo, getSecurityManager
+from ZODB.POSException import ConflictError
 from Products.ERP5Type import Permissions
 from Products.ERP5Type.Utils import convertToUpperCase
 from Products.CMFCore.utils import getToolByName
@@ -45,6 +46,8 @@ VALID_ORDER_KEY_LIST = ('user_login', 'content', 'filename', 'file_name',
 
 CONTENT_INFORMATION_FORMAT = '_idiscoverable_content_information'
 
+class ConversionError(Exception):pass
+
 class DiscoverableMixin(CachedConvertableMixin):
   """
   Implements IDiscoverable
@@ -261,7 +264,12 @@ class DiscoverableMixin(CachedConvertableMixin):
     the document title.
     """
     result = {}
-    html = self.asEntireHTML()
+    try:
+      html = self.asEntireHTML()
+    except ConflictError:
+      raise
+    except:
+      return result
     if not html:
       return result
     title_list = re.findall(self.title_parser, str(html))