Add multiple transcripts editor.

Fix donwload subs for non youtube videos and non-en language - continue.
Add acceptance tests.
Add detetion of assets on request.
Updated docstring.
Add fixes and acceptance tests.
Fix acceptance tests.
Update docsrtings and cleanup code, resful for language_id.
Specify exception type in POST.
Fix url in upload module.
Improve exception handling.
Remove 'en' and catching in editable_metadata.
Move descriptor.get_context test to lms tests.
Add query parameter to translation dispatch.
Response to format parameter of translatin GET request.
Fix Acceprance test: Metadata Editor.
move handlers to proper scores.
Split video player into smaller files.
Add ugettext and fix typoes.
Add changelog.
Support for downloading non-ascii filenames.
Change event binding.
Add content-language to download requests.
Reractor POST handler to not update self.transcripts.

cms/djangoapps/contentstore/tests/test_transcripts_utils.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """ Tests for transcripts_utils. """
 import unittest
 from uuid import uuid4
@@ -548,3 +549,15 @@ class TestTranscript(unittest.TestCase):
     def test_convert_srt_to_sjson(self):
         with self.assertRaises(NotImplementedError):
             transcripts_utils.Transcript.convert(self.srt_transcript, 'srt', 'sjson')
+
+
+class TestSubsFilename(unittest.TestCase):
+    """
+    Tests for subs_filename funtion.
+    """
+
+    def test_unicode(self):
+        name = transcripts_utils.subs_filename(u"˙∆©ƒƒƒ")
+        self.assertEqual(name, u'subs_˙∆©ƒƒƒ.srt.sjson')
+        name = transcripts_utils.subs_filename(u"˙∆©ƒƒƒ", 'uk')
+        self.assertEqual(name, u'uk_subs_˙∆©ƒƒƒ.srt.sjson')