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[extractor/biliintl:series] Make partial download of series faster

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pukkandan 2023-01-01 14:39:58 +05:30
parent 78d25e0b7c
commit 26fdfc3704
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GPG Key ID: 7EEE9E1E817D0A39
1 changed files with 36 additions and 15 deletions
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51
yt_dlp/extractor/bilibili.py
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@ -20,9 +20,11 @@
parse_count,
parse_qs,
qualities,
smuggle_url,
srt_subtitles_timecode,
str_or_none,
traverse_obj,
unsmuggle_url,
url_or_none,
urlencode_postdata,
)
@ -881,16 +883,12 @@ def _get_formats(self, *, ep_id=None, aid=None):
return formats
def _extract_video_info(self, video_data, *, ep_id=None, aid=None):
def _parse_video_metadata(self, video_data):
return {
'id': ep_id or aid,
'title': video_data.get('title_display') or video_data.get('title'),
'thumbnail': video_data.get('cover'),
'episode_number': int_or_none(self._search_regex(
r'^E(\d+)(?:$| - )', video_data.get('title_display') or '', 'episode number', default=None)),
'formats': self._get_formats(ep_id=ep_id, aid=aid),
'subtitles': self._get_subtitles(ep_id=ep_id, aid=aid),
'extractor_key': BiliIntlIE.ie_key(),
}
def _perform_login(self, username, password):
@ -975,9 +973,16 @@ class BiliIntlIE(BiliIntlBaseIE):
'only_matching': True,
}]
def _real_extract(self, url):
season_id, ep_id, aid = self._match_valid_url(url).group('season_id', 'ep_id', 'aid')
video_id = ep_id or aid
def _make_url(video_id, series_id=None):
if series_id:
return f'https://www.bilibili.tv/en/play/{series_id}/{video_id}'
return f'https://www.bilibili.tv/en/video/{video_id}'
def _extract_video_metadata(self, url, video_id, season_id):
url, smuggled_data = unsmuggle_url(url, {})
if smuggled_data.get('title'):
return smuggled_data
webpage = self._download_webpage(url, video_id)
# Bstation layout
initial_data = (
@ -989,13 +994,26 @@ def _real_extract(self, url):
if season_id and not video_data:
# Non-Bstation layout, read through episode list
season_json = self._call_api(f'/web/v2/ogv/play/episodes?season_id={season_id}&platform=web', video_id)
video_data = traverse_obj(season_json,
('sections', ..., 'episodes', lambda _, v: str(v['episode_id']) == ep_id),
expected_type=dict, get_all=False)
return self._extract_video_info(video_data or {}, ep_id=ep_id, aid=aid)
video_data = traverse_obj(season_json, (
'sections', ..., 'episodes', lambda _, v: str(v['episode_id']) == video_id
), expected_type=dict, get_all=False)
return self._parse_video_metadata(video_data)
def _real_extract(self, url):
season_id, ep_id, aid = self._match_valid_url(url).group('season_id', 'ep_id', 'aid')
video_id = ep_id or aid
return {
'id': video_id,
**self._extract_video_metadata(url, video_id, season_id),
'formats': self._get_formats(ep_id=ep_id, aid=aid),
'subtitles': self.extract_subtitles(ep_id=ep_id, aid=aid),
}
class BiliIntlSeriesIE(BiliIntlBaseIE):
IE_NAME = 'biliintl:series'
_VALID_URL = r'https?://(?:www\.)?bili(?:bili\.tv|intl\.com)/(?:[a-zA-Z]{2}/)?play/(?P<id>\d+)/?(?:[?#]|$)'
_TESTS = [{
'url': 'https://www.bilibili.tv/en/play/34613',
@ -1021,9 +1039,12 @@ class BiliIntlSeriesIE(BiliIntlBaseIE):
def _entries(self, series_id):
series_json = self._call_api(f'/web/v2/ogv/play/episodes?season_id={series_id}&platform=web', series_id)
for episode in traverse_obj(series_json, ('sections', ..., 'episodes', ...), expected_type=dict, default=[]):
episode_id = str(episode.get('episode_id'))
yield self._extract_video_info(episode, ep_id=episode_id)
for episode in traverse_obj(series_json, ('sections', ..., 'episodes', ...), expected_type=dict):
episode_id = str(episode['episode_id'])
yield self.url_result(smuggle_url(
BiliIntlIE._make_url(episode_id, series_id),
self._parse_video_metadata(episode)
), BiliIntlIE, episode_id)
def _real_extract(self, url):
series_id = self._match_id(url)