Split out the redis hostname for user events and build logs as a string config. Modularize the user events and fix all callers.

data/userevent.py

@@ -17,6 +17,27 @@ class UserEventBuilder(object):
     return UserEventListener(self._redis_host, username, events)
 
 
+class UserEventsBuilderModule(object):
+  def __init__(self, app=None):
+    self.app = app
+    if app is not None:
+      self.state = self.init_app(app)
+    else:
+      self.state = None
+
+  def init_app(self, app):
+    redis_hostname = app.config.get('USER_EVENTS_REDIS_HOSTNAME')
+    user_events = UserEventBuilder(redis_hostname)
+
+    # register extension with app
+    app.extensions = getattr(app, 'extensions', {})
+    app.extensions['userevents'] = user_events
+    return user_events
+
+  def __getattr__(self, name):
+    return getattr(self.state, name, None)
+
+
 class UserEvent(object):
   """ 
   Defines a helper class for publishing to realtime user events