on_status event now has the old game ID and old status as parameters.

discord/client.py

@@ -206,13 +206,15 @@ class ConnectionState(object):
             member_id = user['id']
             member = utils.find(lambda m: m.id == member_id, server.members)
             if member is not None:
+                old_status = copy.copy(member.status)
+                old_game_id = copy.copy(member.game_id)
                 member.status = data.get('status')
                 member.game_id = data.get('game_id')
                 member.name = user.get('username', member.name)
                 member.avatar = user.get('avatar', member.avatar)
 
                 # call the event now
-                self.dispatch('status', member)
+                self.dispatch('status', member, old_game_id, old_status)
                 self.dispatch('member_update', member)
 
     def handle_user_update(self, data):

docs/api.rst

@@ -152,11 +152,13 @@ to handle it, which defaults to print a traceback and ignore the exception.
     :param before: A :class:`Message` of the previous version of the message.
     :param after: A :class:`Message` of the current version of the message.
 
-.. function:: on_status(member)
+.. function:: on_status(member, old_game_id, old_status)
 
     Called whenever a :class:`Member` changes their status or game playing status.
 
     :param member: The :class:`Member` who has had their status changed.
+    :param old_game_id: The game ID the member had before it changed.
+    :param old_status: The status the member had before it changed.
 
 .. function:: on_channel_delete(channel)
               on_channel_create(channel)