[caribou] Add missing python3 compatibility

[Parag Nemade <panemade src gnome org>]

commit c2bb701afab3c41cedf212ab4107e09584a6dabf
Author: Parag Nemade <pnemade redhat com>
Date:   Thu Jun 16 11:30:28 2016 +0530

    Add missing python3 compatibility
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767664

 caribou/antler/keyboard_view.py        |    4 ++--
 caribou/antler/main.py                 |    3 +++
 caribou/antler/window.py               |    4 +++-
 caribou/settings/preferences_window.py |    1 +
 caribou/settings/settings_manager.py   |    4 ++--
 tools/convert_cldr.py                  |    4 ++--
 6 files changed, 13 insertions(+), 7 deletions(-)
---
diff --git a/caribou/antler/keyboard_view.py b/caribou/antler/keyboard_view.py
index 151782c..d90ccc9 100644
--- a/caribou/antler/keyboard_view.py
+++ b/caribou/antler/keyboard_view.py
@@ -193,7 +193,7 @@ class AntlerLayout(Gtk.Box):
 
             for i, key in enumerate(col):
                 align = key.props.align
-                if not alignboxes.has_key(align):
+                if align not in alignboxes:
                     alignbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
                     alignbox.set_spacing(self._spacing)
                     alignboxes[align] = alignbox
@@ -288,7 +288,7 @@ class AntlerKeyboardView(Gtk.Notebook):
 
     def _load_style(self, provider, filename, search_path):
         spath = search_path[:]
-        if os.environ.has_key("ANTLER_THEME_PATH"):
+        if "ANTLER_THEME_PATH" in os.environ:
             spath.insert(0, os.environ["ANTLER_THEME_PATH"])
 
         for directory in spath:
diff --git a/caribou/antler/main.py b/caribou/antler/main.py
index cf13bad..3a558d2 100644
--- a/caribou/antler/main.py
+++ b/caribou/antler/main.py
@@ -1,3 +1,6 @@
+import gi
+gi.require_version('Caribou', '1.0')
+gi.require_version('Gtk', '3.0')
 from gi.repository import Caribou, GLib, GObject, Gtk
 from .window import AntlerWindowEntry
 from .keyboard_view import AntlerKeyboardView
diff --git a/caribou/antler/window.py b/caribou/antler/window.py
index 0061040..980869a 100644
--- a/caribou/antler/window.py
+++ b/caribou/antler/window.py
@@ -20,11 +20,13 @@
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
+import gi
+gi.require_version('Clutter', '1.0')
 from gi.repository import Gtk
 from gi.repository import Gdk
 from gi.repository import GObject
 from gi.repository import Clutter
-from antler_settings import AntlerSettings
+from .antler_settings import AntlerSettings
 from math import sqrt
 import os
 import sys
diff --git a/caribou/settings/preferences_window.py b/caribou/settings/preferences_window.py
index 350ab59..c761c9d 100644
--- a/caribou/settings/preferences_window.py
+++ b/caribou/settings/preferences_window.py
@@ -20,6 +20,7 @@
 
 from caribou.settings.setting_types import *
 
+import gi
 from gi.repository import GObject
 gi.require_version('Gtk', '3.0')
 gi.require_version('Gdk', '3.0')
diff --git a/caribou/settings/settings_manager.py b/caribou/settings/settings_manager.py
index 062a278..cf8630a 100644
--- a/caribou/settings/settings_manager.py
+++ b/caribou/settings/settings_manager.py
@@ -19,7 +19,7 @@ class SettingsManager(object):
             raise AttributeError("no setting named '%s'" % name)
 
     def _map_settings(self, setting):
-        if self._settings_map.has_key(setting.name):
+        if setting.name in self._settings_map:
             raise ValueError("more than one setting has the name '%s'" % setting.name)
         self._settings_map[setting.name] = setting
         
@@ -27,7 +27,7 @@ class SettingsManager(object):
             self._map_settings(s)
 
     def _setup_settings(self):
-        for setting in self._settings_map.values():
+        for setting in list(self._settings_map.values()):
             if isinstance(setting, SettingsGroup):
                 continue
             setting.value = \
diff --git a/tools/convert_cldr.py b/tools/convert_cldr.py
index cd65754..59d699e 100755
--- a/tools/convert_cldr.py
+++ b/tools/convert_cldr.py
@@ -13,7 +13,7 @@ def parse_single_key(value):
     uc = 0
     if hasattr(__builtins__, 'unichr'):
         def unescape(m):
-            return unichr(int(m.group(1), 16))
+            return chr(int(m.group(1), 16))
     else:
         def unescape(m):
             return chr(int(m.group(1), 16))
@@ -66,7 +66,7 @@ def convert(source, tree):
                 for value in longPress.split(' '):
                     subkey = parse_single_key(value)
                     key.append(subkey)
-        for k, v in sorted(rows.items(), key=lambda x: x[0], reverse=True):
+        for k, v in sorted(list(rows.items()), key=lambda x: x[0], reverse=True):
             row = Element('row')
             for key in sorted(v, key=lambda x: x):
                 row.append(key[1])