Devserver: only populate data during cron jobs, meaning all data from instances

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 04b7a22626b46c7d83842f2546502e60ffbef51f..1bd04ffe18018385601034a38e95381b197abf2f 100644
--- a/chrome/common/extensions/docs/server2/appengine_wrappers.py
+++ b/chrome/common/extensions/docs/server2/appengine_wrappers.py
@@ -12,11 +12,7 @@ try:
   import google.appengine.api.files as files
   import google.appengine.api.memcache as memcache
   import google.appengine.api.urlfetch as urlfetch
-  # Default to a 5 minute cache timeout.
-  CACHE_TIMEOUT = 300
 except ImportError:
-  # Cache for one second because zero means cache forever.
-  CACHE_TIMEOUT = 1
   import re
   from StringIO import StringIO
 
@@ -130,23 +126,37 @@ except ImportError:
   files = FakeFiles()
 
   class InMemoryMemcache(object):
-    """A fake memcache that does nothing.
+    """An in-memory memcache implementation.
     """
+    def __init__(self):
+      self._namespaces = {}
+
     class Client(object):
       def set_multi_async(self, mapping, namespace='', time=0):
-        return
+        for k, v in mapping.iteritems():
+          memcache.set(k, v, namespace=namespace, time=time)
 
       def get_multi_async(self, keys, namespace='', time=0):
-        return _RPC(result=dict((k, None) for k in keys))
+        return _RPC(result=dict(
+          (k, memcache.get(k, namespace=namespace, time=time)) for k in keys))
 
     def set(self, key, value, namespace='', time=0):
-      return
+      self._GetNamespace(namespace)[key] = value
 
     def get(self, key, namespace='', time=0):
-      return None
+      return self._GetNamespace(namespace).get(key)
+
+    def delete(self, key, namespace=''):
+      del self._GetNamespace(namespace)[key]
+
+    def delete_multi(self, keys, namespace=''):
+      for k in keys:
+        self.delete(k, namespace=namespace)
 
-    def delete(self, key, namespace):
-      return
+    def _GetNamespace(self, namespace):
+      if namespace not in self._namespaces:
+        self._namespaces[namespace] = {}
+      return self._namespaces[namespace]
 
   memcache = InMemoryMemcache()