Extensions Docs Server: Efficient MemcacheFileSystem

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

Index: chrome/common/extensions/docs/server2/memcache_file_system.py
diff --git a/chrome/common/extensions/docs/server2/memcache_file_system.py b/chrome/common/extensions/docs/server2/memcache_file_system.py
index 5ac407237cabd5055aeee07a1def863a80b4d147..ec3654582cb2aae6ca24e9a7f935e862013abd02 100644
--- a/chrome/common/extensions/docs/server2/memcache_file_system.py
+++ b/chrome/common/extensions/docs/server2/memcache_file_system.py
@@ -20,11 +20,15 @@ class MemcacheFileSystem(FileSystem):
     version = self._memcache.Get(path, memcache.MEMCACHE_FILE_SYSTEM_STAT)
     if version is None:
       stat_info = self._file_system.Stat(path)
-      self._memcache.Set(path,
+      self._memcache.Set(path.rsplit('/', 1)[0] + '/',
                          stat_info.version,
                          memcache.MEMCACHE_FILE_SYSTEM_STAT)
+      for child_path, child_version in stat_info.child_versions.iteritems():
+        self._memcache.Set(path.rsplit('/', 1)[0] + '/' + child_path,
+                           child_version,
+                           memcache.MEMCACHE_FILE_SYSTEM_STAT)
     else:
-      stat_info = self.StatInfo(version)
+      stat_info = self.StatInfo(version, {})
     return stat_info
 
   def Read(self, paths, binary=False):