[ocrfeeder/introspection] Fix issues when no locale is set

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 38ca5cce9d2c3deb1b918f235747595468448e96
Author: Joaquim Rocha <me joaquimrocha com>
Date:   Sat Jul 12 21:18:00 2014 +0200

    Fix issues when no locale is set
    
    gb#704786

 src/ocrfeeder/studio/widgetPresenter.py |    1 +
 src/ocrfeeder/util/configuration.py     |    4 +++-
 src/ocrfeeder/util/lib.py               |    2 --
 3 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/src/ocrfeeder/studio/widgetPresenter.py b/src/ocrfeeder/studio/widgetPresenter.py
index a4b7db7..86cb30c 100644
--- a/src/ocrfeeder/studio/widgetPresenter.py
+++ b/src/ocrfeeder/studio/widgetPresenter.py
@@ -257,6 +257,7 @@ class LanguagesComboBox(Gtk.ComboBox):
         self.add_attribute(renderer, 'text', self._LANG_COLUMN)
 
         languages = lib.getLanguages()
+
         sorted_keys = sorted(languages, key = lambda k: languages[k])
         if sorted_keys:
             values = ('', _('No language'))
diff --git a/src/ocrfeeder/util/configuration.py b/src/ocrfeeder/util/configuration.py
index 7de817c..8e9134d 100644
--- a/src/ocrfeeder/util/configuration.py
+++ b/src/ocrfeeder/util/configuration.py
@@ -103,6 +103,8 @@ class ConfigurationManager(object):
 
     TEMPORARY_FOLDER = tempfile.mkdtemp(prefix = OCRFEEDER_COMPACT_NAME + '_')
 
+    DEFAULT_LOCALE = locale.getdefaultlocale()[0]
+
     DEFAULTS = {TEXT_FILL: (94, 156, 235, 150),
                 BOXES_STROKE: (94, 156, 235, 250),
                 IMAGE_FILL: (0, 183, 0, 150),
@@ -120,7 +122,7 @@ class ConfigurationManager(object):
                 DESKEW_IMAGES_AFTER_ADDITION: False,
                 UNPAPER_IMAGES_AFTER_ADDITION: False,
                 UNPAPER_EXTRA_OPTIONS: '',
-                LANGUAGE: locale.getdefaultlocale()[0].split('_')[0],
+                LANGUAGE: DEFAULT_LOCALE.split('_')[0] if DEFAULT_LOCALE else '',
                 }
 
     conf = dict(DEFAULTS)
diff --git a/src/ocrfeeder/util/lib.py b/src/ocrfeeder/util/lib.py
index 4a088bf..e972c3b 100644
--- a/src/ocrfeeder/util/lib.py
+++ b/src/ocrfeeder/util/lib.py
@@ -180,8 +180,6 @@ languages = {}
 def getLanguages():
     global languages
     if not languages:
-        lc, encoding = locale.getdefaultlocale()
-        language_country = lc.split('_')
         root = etree.parse(ISO_CODES_PATH + 'iso_639.xml')
         for element in root.findall('//iso_639_entry[ iso_639_1_code]'):
             languages[element.get('iso_639_1_code')] = element.get('name')