erp5_web_renderjs_ui: Translation is resistant to non-existing Web Page references

bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs/Base_createTranslateData.py

@@ -12,10 +12,21 @@ tmp_re = re.compile(r"""/[{}]/g, """"")
 
 translate_word = []
 
+omitted = 0
+processed = 0
+longest_omitted_reference = ''
+
 web_page_list = context.Base_getListFileFromAppcache(only_html=1)
 for web_page in web_page_list:
-  web_page = context.web_page_module.searchFolder(portal_type='Web Page',reference=web_page)[0]
-  data = attribute_filter_re.findall(web_page.getTextContent())
+  search_result = context.web_page_module.searchFolder(portal_type='Web Page', reference=web_page)
+  if len(search_result) == 0:
+    context.log("Cannot find Web Page ref: \"" + web_page + "\"")
+    omitted += 1
+    if len(web_page) > len(longest_omitted_reference):
+      longest_omitted_reference = web_page
+    continue
+  processed += 1
+  data = attribute_filter_re.findall(search_result[0].getTextContent())
   for attribute in data:
     a = re.sub(r'[{|}]', "", attribute[1])
     a = re.sub(r'\[.*?\]', "", a)
@@ -51,4 +62,9 @@ translation_data_file.edit(text_content = content)
 
 if batch_mode:
   return 'done'
-return context.Base_redirect('view', keep_items=dict(portal_status_message=Base_translateString("Translation Data Create")))
+
+message = "Found {:d} words for translation in {:d} files from your appcache manifest.".format(len(translate_word), processed)
+if omitted > 0:
+  message += "\n Skipped {:d} files with invalid reference (e.g. \"{}\")".format(omitted, longest_omitted_reference)
+
+return context.Base_redirect('view', keep_items=dict(portal_status_message=Base_translateString(message)))