Transcript translations should be displayed in their source language.

CHANGELOG.rst

@@ -5,6 +5,8 @@ These are notable changes in edx-platform.  This is a rolling list of changes,
 in roughly chronological order, most recent first.  Add your entries at or near
 the top.  Include a label indicating the component affected.
 
+Blades: Transcript translations should be displayed in their source language (BLD-935).
+
 Blades: Create an upload modal for video transcript translations (BLD-751).
 
 Studio: Add ability to reorder Pages and hide the Wiki page. STUD-1375

common/lib/xmodule/xmodule/video_module/video_module.py

@@ -122,8 +122,9 @@ class VideoModule(VideoFields, VideoStudentViewHandlers, XModule):
             else:
                 transcript_language = sorted(self.transcripts.keys())[0]
 
+            native_languages = {lang: label for lang, label in settings.LANGUAGES if len(lang) == 2}
             languages = {
-                lang: display
+                lang: native_languages.get(lang, display)
                 for lang, display in settings.ALL_LANGUAGES
                 if lang in self.transcripts
             }
@@ -242,7 +243,9 @@ class VideoDescriptor(VideoFields, VideoStudioViewHandlers, TabsEditingDescripto
         else:
             editable_fields.pop('source')
 
-        languages = [{'label': label, 'code': lang} for lang, label in settings.ALL_LANGUAGES if lang != u'en']
+        native_languages = {lang: label for lang, label in settings.LANGUAGES if len(lang) == 2}
+        languages = [{'label': native_languages.get(lang, label), 'code': lang} for lang, label in settings.ALL_LANGUAGES if lang != u'en']
+
         languages.sort(key=lambda l: l['label'])
         editable_fields['transcripts']['languages'] = languages
         editable_fields['transcripts']['type'] = 'VideoTranslations'

lms/djangoapps/courseware/tests/test_video_mongo.py

@@ -53,7 +53,7 @@ class TestVideoYouTube(TestVideo):
             'transcript_download_format': 'srt',
             'transcript_download_formats_list': [{'display_name': 'SubRip (.srt) file', 'value': 'srt'}, {'display_name': 'Text (.txt) file', 'value': 'txt'}],
             'transcript_language': u'en',
-            'transcript_languages': '{"en": "English", "uk": "Ukrainian"}',
+            'transcript_languages': '{"en": "English", "uk":  u"Українська"}',
             'transcript_translation_url': self.item_descriptor.xmodule_runtime.handler_url(
                 self.item_descriptor, 'transcript', 'translation'
             ).rstrip('/?'),
@@ -532,3 +532,10 @@ class VideoDescriptorTest(unittest.TestCase):
         ]
         rendered_context = self.descriptor.get_context()
         self.assertListEqual(rendered_context['tabs'], correct_tabs)
+
+    def test_editable_metadata_fields(self):
+        output = self.descriptor.editable_metadata_fields
+        self.assertEqual(
+            [d['label'] for d in output['transcripts']['languages'] if d['code'] == u'uk'][0],
+            u'Українська'
+        )