Using document __repr__ returns the full document and make the LOG not readable.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34005 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TextDocument.py

@@ -164,7 +164,7 @@ class TextDocument(Document, TextContent):
         except AttributeError:
           LOG('TextDocument', WARNING, 'could not get the substitution'
               ' mapping method %s from %r, so the content will not be'
-              ' substituted.' % (method_id, self))
+              ' substituted.' % (method_id, self.getRelativeUrl()))
           return text
 
         is_str = isinstance(text, str)