From 02a464591263e3e167fa40d1c080e22bddc23d4a Mon Sep 17 00:00:00 2001
From: Bernhard Scheirle <bernhard-scheirle@gmx.de>
Date: Mon, 14 Apr 2014 18:15:14 +0200
Subject: [PATCH] [pelican_comment_system] made python3 compatible

---
 pelican_comment_system/avatars.py               |  6 ++++--
 pelican_comment_system/comment.py               |  2 +-
 pelican_comment_system/identicon/identicon.py   | 17 +++++++++--------
 .../pelican_comment_system.py                   |  7 ++++---
 4 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/pelican_comment_system/avatars.py b/pelican_comment_system/avatars.py
index 5094d1c..d357f19 100644
--- a/pelican_comment_system/avatars.py
+++ b/pelican_comment_system/avatars.py
@@ -3,6 +3,8 @@
 
 """
 
+from __future__ import unicode_literals
+
 import logging
 import os
 
@@ -12,7 +14,7 @@ import hashlib
 logger = logging.getLogger(__name__)
 _log = "pelican_comment_system: avatars: "
 try:
-	from identicon import identicon
+	from . identicon import identicon
 	_identiconImported = True
 except ImportError as e:
 	logger.warning(_log + "identicon deactivated: " + str(e))
@@ -66,7 +68,7 @@ def getAvatarPath(comment_id, metadata):
 	for data in _identicon_data:
 		if data in metadata:
 			string = str(metadata[data])
-			md5.update(string)
+			md5.update(string.encode('utf-8'))
 			author += tuple([string])
 		else:
 			logger.warning(_log + data + " is missing in comment: " + comment_id)
diff --git a/pelican_comment_system/comment.py b/pelican_comment_system/comment.py
index 84f03e6..cf5f4c8 100644
--- a/pelican_comment_system/comment.py
+++ b/pelican_comment_system/comment.py
@@ -2,7 +2,7 @@
 """
 
 """
-
+from __future__ import unicode_literals
 from pelican import contents
 from pelican.contents import Content
 
diff --git a/pelican_comment_system/identicon/identicon.py b/pelican_comment_system/identicon/identicon.py
index 8318d87..eb4abe5 100755
--- a/pelican_comment_system/identicon/identicon.py
+++ b/pelican_comment_system/identicon/identicon.py
@@ -46,10 +46,10 @@ class Matrix2D(list):
     def __mul__(self, other):
         r = []
         if isinstance(other, Matrix2D):
-            for y in xrange(3):
-                for x in xrange(3):
+            for y in range(3):
+                for x in range(3):
                     v = 0.0
-                    for i in xrange(3):
+                    for i in range(3):
                         v += (self[i * 3 + x] * other[y * 3 + i])
                     r.append(v)
         else:
@@ -119,7 +119,7 @@ class IdenticonRendererBase(object):
         
         # decode the code
         middle, corner, side, foreColor, backColor = self.decode(self.code)
-
+        size = int(size)
         # make image        
         image = Image.new("RGB", (size * 3, size * 3))
         draw = ImageDraw.Draw(image)
@@ -137,13 +137,13 @@ class IdenticonRendererBase(object):
 
         # side patch
         kwds['type'] = side[0]
-        for i in xrange(4):
+        for i in range(4):
             pos = [(1, 0), (2, 1), (1, 2), (0, 1)][i]
             self.drawPatch(pos, side[2] + 1 + i, side[1], **kwds)
         
         # corner patch
         kwds['type'] = corner[0]
-        for i in xrange(4):
+        for i in range(4):
             pos = [(0, 0), (2, 0), (2, 2), (0, 2)][i]
             self.drawPatch(pos, corner[2] + 1 + i, corner[1], **kwds)
         
@@ -203,9 +203,10 @@ class DonRenderer(IdenticonRendererBase):
     MIDDLE_PATCH_SET = [0, 4, 8, 15]
     
     # modify path set
-    for idx in xrange(len(PATH_SET)):
+    for idx in range(len(PATH_SET)):
         if PATH_SET[idx]:
             p = map(lambda vec: (vec[0] / 4.0, vec[1] / 4.0), PATH_SET[idx])
+            p = list(p)
             PATH_SET[idx] = p + p[:1]
     
     def decode(self, code):
@@ -240,7 +241,7 @@ if __name__ == '__main__':
     import sys
     
     if len(sys.argv) < 2:
-        print 'usage: python identicon.py [CODE]....'
+        print('usage: python identicon.py [CODE]....')
         raise SystemExit
     
     for code in sys.argv[1:]:
diff --git a/pelican_comment_system/pelican_comment_system.py b/pelican_comment_system/pelican_comment_system.py
index f9cce59..aecf8a0 100644
--- a/pelican_comment_system/pelican_comment_system.py
+++ b/pelican_comment_system/pelican_comment_system.py
@@ -7,7 +7,7 @@ A Pelican plugin, which allows you to add comments to your articles.
 
 Author: Bernhard Scheirle
 """
-
+from __future__ import unicode_literals
 import logging
 import os
 import copy
@@ -19,8 +19,9 @@ from pelican import signals
 from pelican.readers import MarkdownReader
 from pelican.writers import Writer
 
-import avatars
-from comment import Comment
+from . comment import Comment
+from . import avatars
+
 
 def pelican_initialized(pelican):
 	from pelican.settings import DEFAULT_CONFIG