Revert 199633 "Doc server manifest page generation"

trunk/src/chrome/common/extensions/docs/server2/subversion_file_system.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 re
 import posixpath
-from file_system import FileSystem, FileNotFoundError, StatInfo, ToUnicode
-from future import Future
 import xml.dom.minidom as xml
 from xml.parsers.expat import ExpatError
 
 from appengine_url_fetcher import AppEngineUrlFetcher
 from docs_server_utils import StringIdentity
+from file_system import FileSystem, FileNotFoundError, StatInfo, ToUnicode
 from future import Future
 import svn_constants
 import url_constants
 
 class _AsyncFetchFuture(object):
   def __init__(self, paths, fetcher, binary, args=None):
     def apply_args(path):
       return path if args is None else '%s?%s' % (path, args)
     # A list of tuples of the form (path, Future).
     self._fetches = [(path, fetcher.FetchAsync(apply_args(path)))
@@ skipping 138 matching lines @@
     if path.endswith('/'):
       return stat_info
     if filename not in stat_info.child_versions:
       raise FileNotFoundError('%s was not in child versions' % filename)
     return StatInfo(stat_info.child_versions[filename])
 
   def GetIdentity(self):
     # NOTE: no revision here, consider it just an implementation detail of the
     # file version that is handled by Stat.
     return '@'.join((self.__class__.__name__, StringIdentity(self._svn_path)))