call hasFile() only if it exists.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26480 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_viewFieldLibrary/my_text_content.xml

@@ -307,7 +307,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python:(here.hasFile() and \'page\') or \'\'</string> </value>
+            <value> <string>python:(getattr(here, \'hasFile\', None) is not None and here.hasFile() and \'page\') or \'\'</string> </value>
         </item>
       </dictionary>
     </pickle>
@@ -339,7 +339,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>not:here/hasFile</string> </value>
+            <value> <string>python:getattr(here, \'hasFile\', None) is not None and not here.hasFile()</string> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_core/bt/revision

-1160
\ No newline at end of file
+1161
\ No newline at end of file