Improve default subtitle language selection (#6240)

Authored by: sdht0
pull/6264/head
Siddhartha Sahu 2 years ago committed by GitHub
parent c9d14bd22a
commit 376aa24b15
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@ -2810,10 +2810,14 @@ class YoutubeDL:
self.params.get('subtitleslangs'), {'all': all_sub_langs}, use_regex=True) self.params.get('subtitleslangs'), {'all': all_sub_langs}, use_regex=True)
except re.error as e: except re.error as e:
raise ValueError(f'Wrong regex for subtitlelangs: {e.pattern}') raise ValueError(f'Wrong regex for subtitlelangs: {e.pattern}')
elif normal_sub_langs:
requested_langs = ['en'] if 'en' in normal_sub_langs else normal_sub_langs[:1]
else: else:
requested_langs = ['en'] if 'en' in all_sub_langs else all_sub_langs[:1] requested_langs = LazyList(itertools.chain(
['en'] if 'en' in normal_sub_langs else [],
filter(lambda f: f.startswith('en'), normal_sub_langs),
['en'] if 'en' in all_sub_langs else [],
filter(lambda f: f.startswith('en'), all_sub_langs),
normal_sub_langs, all_sub_langs,
))[:1]
if requested_langs: if requested_langs:
self.to_screen(f'[info] {video_id}: Downloading subtitles: {", ".join(requested_langs)}') self.to_screen(f'[info] {video_id}: Downloading subtitles: {", ".join(requested_langs)}')

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