Remove unused code when download from youtube.

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

@@ -132,67 +132,29 @@ def get_transcripts_from_youtube(youtube_id, settings, i18n):
     return {'start': sub_starts, 'end': sub_ends, 'text': sub_texts}
 
 
-def download_youtube_subs(youtube_subs, item, settings):
+def download_youtube_subs(youtube_id, video_descriptor, settings):
     """
     Download transcripts from Youtube and save them to assets.
 
     Args:
-    youtube_subs: dictionary of `speed: youtube_id` key:value pairs.
-    item: video module instance.
+        youtube_id: str, actual youtube_id of the video.
+        video_descriptor: video descriptor instance.
 
-    Returns: None, if transcripts were successfully downloaded and saved.
-    Otherwise raises GetTranscriptsFromYouTubeException.
+    We save transcripts for 1.0 speed, as for other speed conversion is done on front-end.
+
+    Returns:
+        None, if transcripts were successfully downloaded and saved.
+
+    Raises:
+        GetTranscriptsFromYouTubeException, if fails.
     """
-    i18n = item.runtime.service(item, "i18n")
+    i18n = video_descriptor.runtime.service(video_descriptor, "i18n")
     _ = i18n.ugettext
 
-    highest_speed = highest_speed_subs = None
-    missed_speeds = []
-    # Iterate from lowest to highest speed and try to do download transcripts
-    # from the Youtube service.
-    for speed, youtube_id in sorted(youtube_subs.iteritems()):
-        if not youtube_id:
-            continue
-        try:
-            subs = get_transcripts_from_youtube(youtube_id, settings, i18n)
-            if not subs:  # if empty subs are returned
-                raise GetTranscriptsFromYouTubeException
-        except GetTranscriptsFromYouTubeException:
-            missed_speeds.append(speed)
-            continue
+    subs = get_transcripts_from_youtube(youtube_id, settings, i18n)
+    save_subs_to_store(subs, youtube_id, video_descriptor)
 
-        save_subs_to_store(subs, youtube_id, item)
-
-        log.info(
-            "Transcripts for YouTube id %s (speed %s)"
-            "are downloaded and saved.", youtube_id, speed
-        )
-
-        highest_speed = speed
-        highest_speed_subs = subs
-
-    if not highest_speed:
-        raise GetTranscriptsFromYouTubeException(_("Can't find any transcripts on the Youtube service."))
-
-    # When we exit from the previous loop, `highest_speed` and `highest_speed_subs`
-    # are the transcripts data for the highest speed available on the
-    # Youtube service. We use the highest speed as main speed for the
-    # generation other transcripts, cause during calculation timestamps
-    # for lower speeds we just use multiplication instead of division.
-    for speed in missed_speeds:  # Generate transcripts for missed speeds.
-        save_subs_to_store(
-            generate_subs(speed, highest_speed, highest_speed_subs),
-            youtube_subs[speed],
-            item
-        )
-
-        log.info(
-            "Transcripts for YouTube id %s (speed %s)"
-            "are generated from YouTube id %s (speed %s) and saved",
-            youtube_subs[speed], speed,
-            youtube_subs[highest_speed],
-            highest_speed
-        )
+    log.info("Transcripts for youtube_id %s for 1.0 speed are downloaded and saved.", youtube_id)
 
 
 def remove_subs_from_store(subs_id, item, lang='en'):