Devserver: run the cron over the examples.

chrome/common/extensions/docs/server2/template_data_source.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
+import os
 
 from branch_utility import BranchUtility
 from docs_server_utils import FormatKey
 import compiled_file_system as compiled_fs
 from file_system import FileNotFoundError
 from third_party.handlebar import Handlebar
 import url_constants
 
 # Increment this if the data model changes for TemplateDataSource.
 _VERSION = 3
@@ skipping 91 matching lines @@
     self._private_template_path = private_template_path
     self._static_resources = static_resources
 
   def Render(self, template_name):
     """This method will render a template named |template_name|, fetching all
     the partial templates needed from |self._cache|. Partials are retrieved
     from the TemplateDataSource with the |get| method.
     """
     template = self.GetTemplate(self._public_template_path, template_name)
     if not template:
-      return ''
+      return None
       # TODO error handling
     render_data = template.render({
       'api_list': self._api_list_data_source,
       'apis': self._api_data_source,
       'branchInfo': self._branch_info,
       'intros': self._intro_data_source,
       'sidenavs': self._sidenav_data_source,
       'partials': self,
       'samples': self._samples_data_source,
       'static': self._static_resources,
       'app': 'app',
       'extension': 'extension',
       'apps_title': 'Apps',
       'extensions_title': 'Extensions',
       'apps_samples_url': url_constants.GITHUB_BASE,
       'extensions_samples_url': url_constants.EXTENSIONS_SAMPLES,
       'true': True,
       'false': False
     })
     if render_data.errors:
       logging.error('Handlebar error(s) rendering %s:\n%s' %
           (template_name, '  \n'.join(render_data.errors)))
     return render_data.text
 
   def get(self, key):
     return self.GetTemplate(self._private_template_path, key)
 
   def GetTemplate(self, base_path, template_name):
-    real_path = FormatKey(template_name)
     try:
-      return self._cache.GetFromFile(base_path + '/' + real_path)
+      return self._cache.GetFromFile(
+          '/'.join((base_path, FormatKey(template_name))))
     except FileNotFoundError as e:
-      logging.warning('Template %s in %s not found: %s' % (
-          template_name, base_path, e))
+      logging.error(e)
       return None