From 5acaf967496787062056d7db4c3972d8ef5a6f7a 2011-03-24 19:30:44
From: Thomas Kluyver <takowl@gmail.com>
Date: 2011-03-24 19:30:44
Subject: [PATCH] Fix compilerop to handle unicode input.

---

diff --git a/IPython/core/compilerop.py b/IPython/core/compilerop.py
index 29c9f68..e92be98 100644
--- a/IPython/core/compilerop.py
+++ b/IPython/core/compilerop.py
@@ -38,8 +38,10 @@ import time
 
 def code_name(code, number=0):
     """ Compute a (probably) unique name for code for caching.
+    
+    This now expects code to be unicode.
     """
-    hash_digest = hashlib.md5(code).hexdigest()
+    hash_digest = hashlib.md5(code.encode("utf-8")).hexdigest()
     # Include the number and 12 characters of the hash in the name.  It's
     # pretty much impossible that in a single session we'll have collisions
     # even with truncated hashes, and the full one makes tracebacks too long