Improved user-facing messages

async_push.py

Index: async_push.py
diff --git a/async_push.py b/async_push.py
index 7571d0cb4c40e16c011730fac12611d77bf1f10a..9908da939f81b9126aeb4cbe67e66de2df310420 100644
--- a/async_push.py
+++ b/async_push.py
@@ -59,17 +59,18 @@ class AsyncPushStore(AsyncPushNoop):
 
 
 class AsyncPush(AsyncPushNoop):
-  """Sends HTTP Post in a background worker thread.
+  """Sends HTTP Post asynchronously to the tree status application.
 
-  Thread-safe.
+  This object uses a background worker thread, and is thread-safe.
   """
   _TERMINATE = object()
 
-  def __init__(self, url, password):
+  def __init__(self, url, password, resource='/receiver'):
     super(AsyncPush, self).__init__()
     assert url
     assert password
     self.url = url
+    self.resource = resource
     self.password = password
     self.queue = Queue.Queue()
     self.thread = threading.Thread(target=self._worker_thread)
@@ -111,7 +112,7 @@ class AsyncPush(AsyncPushNoop):
           done = True
           logging.debug('Worker thread exiting')
           items.remove(self._TERMINATE)
-        url = self.url + '/receiver'
+        url = self.url + self.resource
         logging.debug('Sending %d items to %s' % (len(items), url))
         try:
           data = [('p', json.dumps(item)) for item in items]