From ff02354b97a6002971fe14910fdf8111c3b74572 2011-08-10 20:47:31
From: MinRK <benjaminrk@gmail.com>
Date: 2011-08-10 20:47:31
Subject: [PATCH] don't print info when message unpacking fails

also change message for unsigned messages when digest expected

---

diff --git a/IPython/zmq/session.py b/IPython/zmq/session.py
index 98a573a..bee9396 100644
--- a/IPython/zmq/session.py
+++ b/IPython/zmq/session.py
@@ -588,7 +588,6 @@ class Session(Configurable):
         try:
             return idents, self.unserialize(msg_list, content=content, copy=copy)
         except Exception as e:
-            print (idents, msg_list)
             # TODO: handle it
             raise e
     
@@ -661,6 +660,8 @@ class Session(Configurable):
                 msg_list[i] = msg_list[i].bytes
         if self.auth is not None:
             signature = msg_list[0]
+            if not signature:
+                raise ValueError("Unsigned Message")
             if signature in self.digest_history:
                 raise ValueError("Duplicate Signature: %r"%signature)
             self.digest_history.add(signature)