Fix exception when _captions_base_url is not present

Signed-off-by: Jesús <heckyel@hyperbola.info>
This commit is contained in:
James Taylor 2022-03-23 00:34:39 -07:00 committed by Jesús
parent e8cbc5074a
commit dcd4b0f0ae
No known key found for this signature in database
GPG Key ID: F6EE7BC59A315766
3 changed files with 9 additions and 2 deletions

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@ -176,7 +176,7 @@ def make_caption_src(info, lang, auto=False, trans_lang=None):
if trans_lang:
label += ' -> ' + trans_lang
return {
'url': '/' + yt_data_extract.get_caption_url(info, lang, 'vtt', auto, trans_lang),
'url': util.prefix_url(yt_data_extract.get_caption_url(info, lang, 'vtt', auto, trans_lang)),
'label': label,
'srclang': trans_lang[0:2] if trans_lang else lang[0:2],
'on': False,
@ -220,6 +220,8 @@ def get_subtitle_sources(info):
pref_lang (Automatic)
pref_lang (Manual)'''
sources = []
if not yt_data_extract.captions_available(info):
return []
pref_lang = settings.subtitles_language
native_video_lang = None
if info['automatic_caption_languages']:

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@ -10,4 +10,4 @@ from .watch_extraction import (extract_watch_info, get_caption_url,
update_with_age_restricted_info, requires_decryption,
extract_decryption_function, decrypt_signatures, _formats,
update_format_with_type_info, extract_hls_formats,
extract_watch_info_from_html)
extract_watch_info_from_html, captions_available)

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@ -732,10 +732,15 @@ def extract_watch_info_from_html(watch_html):
return extract_watch_info(fake_polymer_json)
def captions_available(info):
return bool(info['_captions_base_url'])
def get_caption_url(info, language, format, automatic=False, translation_language=None):
'''Gets the url for captions with the given language and format. If automatic is True, get the automatic captions for that language. If translation_language is given, translate the captions from `language` to `translation_language`. If automatic is true and translation_language is given, the automatic captions will be translated.'''
url = info['_captions_base_url']
if not url:
return None
url += '&lang=' + language
url += '&fmt=' + format
if automatic: