Extensions Docs Server: Internal file system

chrome/common/extensions/docs/server2/in_memory_memcache.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.
+
+class InMemoryMemcache(object):
+  """A memcache that stores items in memory instead of using the memcache
+  module.
+  """
+  def __init__(self):
+    self._cache = {}
+
+  def Set(self, key, value, namespace, time=60):
+    if namespace not in self._cache:
+      self._cache[namespace] = {}
+    self._cache[namespace][key] = value
+
+  def Get(self, key, namespace):
+    if namespace not in self._cache:
+      return None
+    return self._cache[namespace].get(key, None)
+
+  def Delete(self, key, namespace):
+    if namespace in self._cache:
+      self._cache[namespace].pop(key)