Docserver: Add support for viewing docs with a codereview patch applied

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
 import traceback
 
 from branch_utility import BranchUtility
 import compiled_file_system as compiled_fs
@@ skipping 33 matching lines @@
     def __init__(self,
                  channel_name,
                  api_data_source_factory,
                  api_list_data_source_factory,
                  intro_data_source_factory,
                  samples_data_source_factory,
                  sidenav_data_source_factory,
                  compiled_fs_factory,
                  ref_resolver_factory,
                  public_template_path,
-                 private_template_path):
+                 private_template_path,
+                 branch_path=None):
       self._branch_info = _MakeChannelDict(channel_name)
       self._api_data_source_factory = api_data_source_factory
       self._api_list_data_source_factory = api_list_data_source_factory
       self._intro_data_source_factory = intro_data_source_factory
       self._samples_data_source_factory = samples_data_source_factory
       self._sidenav_data_source_factory = sidenav_data_source_factory
       self._cache = compiled_fs_factory.Create(self._CreateTemplate,
                                                TemplateDataSource)
       self._ref_resolver = ref_resolver_factory.Create()
       self._public_template_path = public_template_path
       self._private_template_path = private_template_path
-      self._static_resources = '/%s/static' % channel_name
+      if branch_path is None:
+        branch_path = '/' + channel_name
+      self._static_resources = '%s/static' % branch_path

[not at google - send to devlin, 2013/04/30 15:37:42]

let's just pass in the static path directly rather than using the rather
implementation-detail-y branch_path to figure it out.

[方觉(Fang Jue), 2013/05/02 15:29:16]

I renamed it to base_path (and make it end with '/'). It will also be useful in
https://chromiumcodereview.appspot.com/12521030/.

 
     def _CreateTemplate(self, template_name, text):
       return Handlebar(self._ref_resolver.ResolveAllLinks(text))
 
     def Create(self, request, path):
       """Returns a new TemplateDataSource bound to |request|.
       """
       return TemplateDataSource(
           self._branch_info,
           self._api_data_source_factory.Create(request),
@@ skipping 63 matching lines @@
   def get(self, key):
     return self.GetTemplate(self._private_template_path, key)
 
   def GetTemplate(self, base_path, template_name):
     try:
       return self._cache.GetFromFile(
           '/'.join((base_path, FormatKey(template_name))))
     except FileNotFoundError as e:
       logging.warning(traceback.format_exc())
       return None