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yt-dlp/yt_dlp/extractor/jstream.py

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import base64
import json
import re
from .common import InfoExtractor
from ..utils import (
float_or_none,
js_to_json,
remove_start,
)
class JStreamIE(InfoExtractor):
# group "id" only exists for compliance, not directly used in requests
# also all components are mandatory
_VALID_URL = r'jstream:(?P<host>www\d+):(?P<id>(?P<publisher>[a-z0-9]+):(?P<mid>\d+))'
_TESTS = [{
'url': 'jstream:www50:eqd638pvwx:752',
'info_dict': {
'id': 'eqd638pvwx:752',
'ext': 'mp4',
'title': '阪神淡路大震災 激震の記録2020年版 解説動画',
'duration': 672,
'thumbnail': r're:https?://eqd638pvwx\.eq\.webcdn\.stream\.ne\.jp/.+\.jpg',
},
}]
def _parse_jsonp(self, callback, string, video_id):
return self._search_json(rf'\s*{re.escape(callback)}\s*\(', string, callback, video_id)
def _find_formats(self, video_id, movie_list_hls, host, publisher, subtitles):
for value in movie_list_hls:
text = value.get('text') or ''
if not text.startswith('auto'):
continue
m3u8_id = remove_start(remove_start(text, 'auto'), '_') or None
fmts, subs = self._extract_m3u8_formats_and_subtitles(
f'https://{publisher}.eq.webcdn.stream.ne.jp/{host}/{publisher}/jmc_pub/{value.get("url")}', video_id, 'mp4', m3u8_id=m3u8_id)
self._merge_subtitles(subs, target=subtitles)
yield from fmts
def _real_extract(self, url):
host, publisher, mid, video_id = self._match_valid_url(url).group('host', 'publisher', 'mid', 'id')
video_info_jsonp = self._download_webpage(
f'https://{publisher}.eq.webcdn.stream.ne.jp/{host}/{publisher}/jmc_pub/eq_meta/v1/{mid}.jsonp',
video_id, 'Requesting video info')
video_info = self._parse_jsonp('metaDataResult', video_info_jsonp, video_id)['movie']
subtitles = {}
formats = list(self._find_formats(video_id, video_info.get('movie_list_hls'), host, publisher, subtitles))
self._remove_duplicate_formats(formats)
return {
'id': video_id,
'title': video_info.get('title'),
'duration': float_or_none(video_info.get('duration')),
'thumbnail': video_info.get('thumbnail_url'),
'formats': formats,
'subtitles': subtitles,
}
@classmethod
def _extract_embed_urls(cls, url, webpage):
# check for eligiblity of webpage
# https://support.eq.stream.co.jp/hc/ja/articles/115008388147-%E3%83%97%E3%83%AC%E3%82%A4%E3%83%A4%E3%83%BCAPI%E3%81%AE%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%82%B3%E3%83%BC%E3%83%89
script_tag = re.search(r'<script\s*[^>]+?src="https://ssl-cache\.stream\.ne\.jp/(?P<host>www\d+)/(?P<publisher>[a-z0-9]+)/[^"]+?/if\.js"', webpage)
if not script_tag:
return
host, publisher = script_tag.groups()
for m in re.finditer(r'(?s)PlayerFactoryIF\.create\(\s*({[^\}]+?})\s*\)\s*;', webpage):
# TODO: using json.loads here as InfoExtractor._parse_json is not classmethod
info = json.loads(js_to_json(m.group(1)))
mid = base64.b64decode(info.get('m')).decode()
yield f'jstream:{host}:{publisher}:{mid}'