[subtitles] Use self._download_webpage for extracting the subtitles

It raises ExtractorError for the same exceptions we have to catch.

1 files changed, 4 insertions, 6 deletions

diff --git a/youtube_dl/extractor/dailymotion.py b/youtube_dl/extractor/dailymotion.py
index abd6a36ee..360113f9c 100644
--- a/youtube_dl/extractor/dailymotion.py
+++ b/youtube_dl/extractor/dailymotion.py
@@ -1,14 +1,11 @@
 import re
 import json
 import itertools
-import socket
 
 from .common import InfoExtractor
 from .subtitles import SubtitlesInfoExtractor
 
 from ..utils import (
-    compat_http_client,
-    compat_urllib_error,
     compat_urllib_request,
     compat_str,
     get_element_by_attribute,
@@ -98,10 +95,11 @@ class DailymotionIE(SubtitlesInfoExtractor):
         }]
 
     def _get_available_subtitles(self, video_id):
-        request = compat_urllib_request.Request('https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id)
         try:
-            sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            sub_list = self._download_webpage(
+                'https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id,
+                video_id, note=False)
+        except ExtractorError as err:
             self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
             return {}
         info = json.loads(sub_list)