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-rw-r--r--youtube_dl/extractor/youtube.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index e9ed77e42..9b346d27a 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -369,6 +369,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
# RTMP (unnamed)
'_rtmp': {'protocol': 'rtmp'},
}
+ _SUBTITLE_FORMATS = ('ttml', 'vtt')
IE_NAME = 'youtube'
_TESTS = [
@@ -918,7 +919,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if lang in sub_lang_list:
continue
sub_formats = []
- for ext in ['ttml', 'vtt']:
+ for ext in self._SUBTITLE_FORMATS:
params = compat_urllib_parse.urlencode({
'lang': lang,
'v': video_id,
@@ -988,7 +989,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
for lang_node in caption_list.findall('target'):
sub_lang = lang_node.attrib['lang_code']
sub_formats = []
- for ext in ['sbv', 'vtt', 'srt']:
+ for ext in self._SUBTITLE_FORMATS:
params = compat_urllib_parse.urlencode({
'lang': original_lang,
'tlang': sub_lang,