[InfoExtractor] Misc yt-dlp back-ports, etc
* add _yes_playlist() method * avoid crash using _NETRC_MACHINE * use _search_json() in _search_nextjs_data() * _search_nextjs_data() default is JSON, not text * test for above
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@ -153,6 +153,9 @@ class TestInfoExtractor(unittest.TestCase):
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'''
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search = self.ie._search_nextjs_data(html, 'testID')
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self.assertEqual(search['props']['pageProps']['video']['id'], 'testid')
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search = self.ie._search_nextjs_data(
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'no next.js data here, move along', 'testID', default={'status': 0})
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self.assertEqual(search['status'], 0)
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def test_search_nuxt_data(self):
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html = '''
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@ -1169,10 +1169,10 @@ class InfoExtractor(object):
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def _get_netrc_login_info(self, netrc_machine=None):
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username = None
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password = None
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netrc_machine = netrc_machine or self._NETRC_MACHINE
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if self._downloader.params.get('usenetrc', False):
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try:
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netrc_machine = netrc_machine or self._NETRC_MACHINE
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info = netrc.netrc().authenticators(netrc_machine)
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if info is not None:
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username = info[0]
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@ -1180,7 +1180,7 @@ class InfoExtractor(object):
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else:
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raise netrc.NetrcParseError(
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'No authenticators for %s' % netrc_machine)
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except (IOError, netrc.NetrcParseError) as err:
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except (AttributeError, IOError, netrc.NetrcParseError) as err:
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self._downloader.report_warning(
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'parsing .netrc: %s' % error_to_compat_str(err))
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@ -1490,14 +1490,18 @@ class InfoExtractor(object):
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return dict((k, v) for k, v in info.items() if v is not None)
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def _search_nextjs_data(self, webpage, video_id, **kw):
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nkw = dict((k, v) for k, v in kw.items() if k in ('transform_source', 'fatal'))
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kw.pop('transform_source', None)
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next_data = self._search_regex(
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r'''<script[^>]+\bid\s*=\s*('|")__NEXT_DATA__\1[^>]*>(?P<nd>[^<]+)</script>''',
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webpage, 'next.js data', group='nd', **kw)
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if not next_data:
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return {}
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return self._parse_json(next_data, video_id, **nkw)
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# ..., *, transform_source=None, fatal=True, default=NO_DEFAULT
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# TODO: remove this backward compat
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default = kw.get('default', NO_DEFAULT)
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if default == '{}':
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kw['default'] = {}
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kw = compat_kwargs(kw)
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return self._search_json(
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r'''<script\s[^>]*?\bid\s*=\s*('|")__NEXT_DATA__\1[^>]*>''',
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webpage, 'next.js data', video_id, end_pattern='</script>',
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**kw)
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def _search_nuxt_data(self, webpage, video_id, *args, **kwargs):
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"""Parses Nuxt.js metadata. This works as long as the function __NUXT__ invokes is a pure function"""
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@ -3296,12 +3300,16 @@ class InfoExtractor(object):
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return ret
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@classmethod
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def _merge_subtitles(cls, subtitle_dict1, subtitle_dict2):
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""" Merge two subtitle dictionaries, language by language. """
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ret = dict(subtitle_dict1)
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for lang in subtitle_dict2:
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ret[lang] = cls._merge_subtitle_items(subtitle_dict1.get(lang, []), subtitle_dict2[lang])
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return ret
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def _merge_subtitles(cls, subtitle_dict1, *subtitle_dicts, **kwargs):
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""" Merge subtitle dictionaries, language by language. """
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# ..., * , target=None
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target = kwargs.get('target') or dict(subtitle_dict1)
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for subtitle_dict in subtitle_dicts:
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for lang in subtitle_dict:
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target[lang] = cls._merge_subtitle_items(target.get(lang, []), subtitle_dict[lang])
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return target
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def extract_automatic_captions(self, *args, **kwargs):
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if (self._downloader.params.get('writeautomaticsub', False)
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@ -3334,6 +3342,29 @@ class InfoExtractor(object):
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def _generic_title(self, url):
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return compat_urllib_parse_unquote(os.path.splitext(url_basename(url))[0])
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def _yes_playlist(self, playlist_id, video_id, *args, **kwargs):
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# smuggled_data=None, *, playlist_label='playlist', video_label='video'
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smuggled_data = args[0] if len(args) == 1 else kwargs.get('smuggled_data')
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playlist_label = kwargs.get('playlist_label', 'playlist')
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video_label = kwargs.get('video_label', 'video')
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if not playlist_id or not video_id:
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return not video_id
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no_playlist = (smuggled_data or {}).get('force_noplaylist')
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if no_playlist is not None:
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return not no_playlist
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video_id = '' if video_id is True else ' ' + video_id
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noplaylist = self.get_param('noplaylist')
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self.to_screen(
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'Downloading just the {0}{1} because of --no-playlist'.format(video_label, video_id)
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if noplaylist else
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'Downloading {0}{1} - add --no-playlist to download just the {2}{3}'.format(
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playlist_label, '' if playlist_id is True else ' ' + playlist_id,
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video_label, video_id))
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return not noplaylist
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class SearchInfoExtractor(InfoExtractor):
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"""
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