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# HG changeset patch
# User Rob Reilink <r.reilink@science-applied.nl>
# Date 1331657734 -3600
# Node ID 8aba132b1337fc351fe1464f3a4b61f21f55e64e
# Parent  4a6d33249418befdf587603fc31db58fb863fee4
fixed encoding for hashing functions for Python 3

diff -r 4a6d33249418befdf587603fc31db58fb863fee4 -r 8aba132b1337fc351fe1464f3a4b61f21f55e64e sphinx/ext/graphviz.py
--- a/sphinx/ext/graphviz.py	Sat Mar 10 22:24:59 2012 +0100
+++ b/sphinx/ext/graphviz.py	Tue Mar 13 17:55:34 2012 +0100
@@ -121,9 +121,11 @@
 
 def render_dot(self, code, options, format, prefix='graphviz'):
     """Render graphviz code into a PNG or PDF output file."""
-    hashkey = code.encode('utf-8') + str(options) + \
+    hashkey = (code + str(options) + \
               str(self.builder.config.graphviz_dot) + \
               str(self.builder.config.graphviz_dot_args)
+              ).encode('utf-8')
+              
     fname = '%s-%s.%s' % (prefix, sha(hashkey).hexdigest(), format)
     if hasattr(self.builder, 'imgpath'):
         # HTML
diff -r 4a6d33249418befdf587603fc31db58fb863fee4 -r 8aba132b1337fc351fe1464f3a4b61f21f55e64e sphinx/ext/inheritance_diagram.py
--- a/sphinx/ext/inheritance_diagram.py	Sat Mar 10 22:24:59 2012 +0100
+++ b/sphinx/ext/inheritance_diagram.py	Tue Mar 13 17:55:34 2012 +0100
@@ -39,7 +39,7 @@
 import re
 import sys
 import inspect
-import __builtin__
+import __builtin__ as __builtin__ # as __builtin__ is for lib2to3 compatibility
 try:
     from hashlib import md5
 except ImportError:
@@ -314,7 +314,8 @@
 
 
 def get_graph_hash(node):
-    return md5(node['content'] + str(node['parts'])).hexdigest()[-10:]
+    encoded = (node['content'] + str(node['parts'])).encode('utf-8')
+    return md5(encoded).hexdigest()[-10:]
 
 
 def html_visit_inheritance_diagram(self, node):