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

Index: chrome/common/extensions/docs/server2/appengine_wrappers.py
diff --git a/chrome/common/extensions/docs/server2/appengine_wrappers.py b/chrome/common/extensions/docs/server2/appengine_wrappers.py
index 67f6feb71a2446d426158bac16ea723e9a257c0b..7fcb7159d5dd3330c8715a3023751e6201369a44 100644
--- a/chrome/common/extensions/docs/server2/appengine_wrappers.py
+++ b/chrome/common/extensions/docs/server2/appengine_wrappers.py
@@ -2,9 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from in_memory_memcache import InMemoryMemcache
-
-# This will attempt to import the actual Appengine modules, and if it fails,
+# This will attempt to import the actual App Engine modules, and if it fails,
 # they will be replaced with fake modules. This is useful during testing.
 try:
   import google.appengine.ext.webapp as webapp
@@ -12,6 +10,8 @@ try:
   import google.appengine.api.urlfetch as urlfetch
 except ImportError:
   class FakeUrlFetch(object):
+    """A fake urlfetch module that errors for all method calls.
+    """
     def fetch(self, url):
       raise NotImplementedError()
 
@@ -22,7 +22,26 @@ except ImportError:
       raise NotImplementedError()
   urlfetch = FakeUrlFetch()
 
-  # Use an in-memory memcache if Appengine memcache isn't available.
+  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)
   memcache = InMemoryMemcache()
 
   # A fake webapp.RequestHandler class for Handler to extend.
@@ -31,3 +50,6 @@ except ImportError:
       def __init__(self, request, response):
         self.request = request
         self.response = response
+
+      def redirect(self, path):
+        self.request.path = path