From 60ae7aa667e5143079c59da3f2ff0beb981ca50d Mon Sep 17 00:00:00 2001
From: yegle <cnyegle@gmail.com>
Date: Sun, 17 Feb 2013 10:44:14 -0500
Subject: [PATCH] Fix: hashlib.md5 funcition only accepts bytes as input

---
 pelican/plugins/gravatar.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pelican/plugins/gravatar.py b/pelican/plugins/gravatar.py
index a4d11456..2b8520df 100644
--- a/pelican/plugins/gravatar.py
+++ b/pelican/plugins/gravatar.py
@@ -1,4 +1,5 @@
 import hashlib
+import six
 
 from pelican import signals
 """
@@ -33,8 +34,9 @@ def add_gravatar(generator, metadata):
 
     #then add gravatar url
     if 'email' in metadata.keys():
+        email_bytes = six.b(metadata['email']).lower()
         gravatar_url = "http://www.gravatar.com/avatar/" + \
-                        hashlib.md5(metadata['email'].lower()).hexdigest()
+                        hashlib.md5(email_bytes).hexdigest()
         metadata["author_gravatar"] = gravatar_url