[gedit/wip/python3] external tools: fix manager

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 28a9dcdf1a98f5154f18b7ae0b6c79bc92f7a9c7
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Mon Oct 29 08:52:39 2012 +0100

    external tools: fix manager

 plugins/externaltools/tools/library.py |    2 +-
 plugins/externaltools/tools/manager.py |   11 ++++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/plugins/externaltools/tools/library.py b/plugins/externaltools/tools/library.py
index 47f0bba..6efd03d 100644
--- a/plugins/externaltools/tools/library.py
+++ b/plugins/externaltools/tools/library.py
@@ -408,7 +408,7 @@ class Tool(object):
 
     def _dump_properties(self):
         lines = ['# [Gedit Tool]']
-        for item in self._properties.iteritems():
+        for item in self._properties.items():
             if item[0] in self._transform:
                 lines.append('# %s=%s' % (item[0], self._transform[item[0]][1](item[1])))
             elif item[1] is not None:
diff --git a/plugins/externaltools/tools/manager.py b/plugins/externaltools/tools/manager.py
index f9d3a8b..84a016e 100644
--- a/plugins/externaltools/tools/manager.py
+++ b/plugins/externaltools/tools/manager.py
@@ -460,7 +460,12 @@ class Manager(GObject.Object):
             n1 = t1.name
             n2 = t2.name
 
-        return cmp(n1.lower(), n2.lower())
+        if n1.lower() < n2.lower():
+            return -1
+        elif n1.lower() > n2.lower():
+            return 1
+        else:
+            return 0
 
     def __init_tools_view(self):
         # Tools column
@@ -510,7 +515,7 @@ class Manager(GObject.Object):
             return None, None
 
     def compute_hash(self, string):
-        return hashlib.md5(string).hexdigest()
+        return hashlib.md5(string.encode('utf-8')).hexdigest()
 
     def save_current_tool(self):
         if self.current_node is None:
@@ -584,7 +589,7 @@ class Manager(GObject.Object):
 
         self.script_hash = self.compute_hash(script)
 
-        contenttype, uncertain = Gio.content_type_guess(None, script)
+        contenttype, uncertain = Gio.content_type_guess(None, script.encode('utf-8'))
         lmanager = GtkSource.LanguageManager.get_default()
         language = lmanager.guess_language(None, contenttype)