Extensions Docs Server: Samples zip files

chrome/common/extensions/docs/server2/fetcher_cache.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 os
 import time
 
 class FetcherCache(object):
   """A cache for fetcher objects.
   """
@@ skipping 16 matching lines @@
 
     def HasExpired(self):
       return time.time() > self._expiry
 
   def __init__(self, fetcher, timeout_seconds, populate_function):
     self._fetcher = fetcher
     self._timeout_seconds = timeout_seconds
     self._populate_function = populate_function
     self._cache = {}
 
-  def get(self, key):
+  def _Fetch(self, fetch_func, key, optional_params=None):
     if key in self._cache:
       if self._cache[key].HasExpired():
         self._cache.pop(key)
       else:
         return self._cache[key]._cache_data
-    cache_data = self._fetcher.FetchResource(key).content
+    if optional_params != None:
+      cache_data = fetch_func(key, optional_params).content
+    else:
+      cache_data = fetch_func(key).content
     self._cache[key] = self._CacheEntry(self._populate_function(cache_data),
                                         time.time() + self._timeout_seconds)
     return self._cache[key]._cache_data
+
+  def getFromFileListing(self, path, recursive=False):
+    return self._Fetch(self._fetcher.ListDirectory, path, recursive)
+
+  def getFromFile(self, key):
+    return self._Fetch(self._fetcher.FetchResource, key)