From 90028d9e368e8e2b7410b374120f86958b0c9157 Mon Sep 17 00:00:00 2001
From: Johannes Hoppe <info@johanneshoppe.com>
Date: Sat, 22 Jul 2017 16:22:52 +0200
Subject: [PATCH] Fix case issue -- get_langauge() only returns lower case

get_langauge() only returns lower case some i18n file name include
upper case language code tho. This will detect all lanugages.
---
 django_select2/__init__.py |  2 +-
 django_select2/forms.py    |  8 ++++++--
 tests/test_forms.py        | 14 ++++++++++++++
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/django_select2/__init__.py b/django_select2/__init__.py
index 412d1ed..8425278 100644
--- a/django_select2/__init__.py
+++ b/django_select2/__init__.py
@@ -9,4 +9,4 @@ The application includes Select2 driven Django Widgets and Form Fields.
 
 """
 
-__version__ = "5.11.0"
+__version__ = "5.11.1"
diff --git a/django_select2/forms.py b/django_select2/forms.py
index d592ea4..b3bb410 100644
--- a/django_select2/forms.py
+++ b/django_select2/forms.py
@@ -113,8 +113,12 @@ class Select2Mixin(object):
         .. Note:: For more information visit
             https://docs.djangoproject.com/en/1.8/topics/forms/media/#media-as-a-dynamic-property
         """
-        i18n_file = '%s/%s.js' % (settings.SELECT2_I18N_PATH, get_language())
-        i18n_file = (i18n_file,) if get_language() in settings.SELECT2_I18N_AVAILABLE_LANGUAGES else ()
+        try:
+            # get_language() will always return a lower case language code, where some files are named upper case.
+            i = [x.lower() for x in settings.SELECT2_I18N_AVAILABLE_LANGUAGES].index(get_language())
+            i18n_file = ('%s/%s.js' % (settings.SELECT2_I18N_PATH, settings.SELECT2_I18N_AVAILABLE_LANGUAGES[i]), )
+        except ValueError:
+            i18n_file = ()
         return forms.Media(
             js=(settings.SELECT2_JS,) + i18n_file + ('django_select2/django_select2.js',),
             css={'screen': (settings.SELECT2_CSS,)}
diff --git a/tests/test_forms.py b/tests/test_forms.py
index 1012094..5c817ec 100644
--- a/tests/test_forms.py
+++ b/tests/test_forms.py
@@ -125,6 +125,20 @@ class TestSelect2Mixin(object):
             'django_select2/django_select2.js'
         ]
 
+        translation.activate('sr-cyrl')
+        assert Select2Widget().media._js == [
+            '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js',
+            '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/i18n/sr-Cyrl.js',
+            'django_select2/django_select2.js'
+        ]
+
+        translation.activate('zh-cn')
+        assert Select2Widget().media._js == [
+            '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js',
+            '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/i18n/zh-CN.js',
+            'django_select2/django_select2.js'
+        ]
+
 
 class TestSelect2MixinSettings(object):
     def test_default_media(self):