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-rw-r--r--yt_dlp/extractor/nhk.py336
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diff --git a/yt_dlp/extractor/nhk.py b/yt_dlp/extractor/nhk.py
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+++ b/yt_dlp/extractor/nhk.py
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+import re
+
+from .common import InfoExtractor
+from ..utils import (
+ parse_duration,
+ traverse_obj,
+ unescapeHTML,
+ unified_timestamp,
+ urljoin
+)
+
+
+class NhkBaseIE(InfoExtractor):
+ _API_URL_TEMPLATE = 'https://nwapi.nhk.jp/nhkworld/%sod%slist/v7b/%s/%s/%s/all%s.json'
+ _BASE_URL_REGEX = r'https?://www3\.nhk\.or\.jp/nhkworld/(?P<lang>[a-z]{2})/ondemand'
+ _TYPE_REGEX = r'/(?P<type>video|audio)/'
+
+ def _call_api(self, m_id, lang, is_video, is_episode, is_clip):
+ return self._download_json(
+ self._API_URL_TEMPLATE % (
+ 'v' if is_video else 'r',
+ 'clip' if is_clip else 'esd',
+ 'episode' if is_episode else 'program',
+ m_id, lang, '/all' if is_video else ''),
+ m_id, query={'apikey': 'EJfK8jdS57GqlupFgAfAAwr573q01y6k'})['data']['episodes'] or []
+
+ def _extract_episode_info(self, url, episode=None):
+ fetch_episode = episode is None
+ lang, m_type, episode_id = NhkVodIE._match_valid_url(url).groups()
+ if len(episode_id) == 7:
+ episode_id = episode_id[:4] + '-' + episode_id[4:]
+
+ is_video = m_type == 'video'
+ if fetch_episode:
+ episode = self._call_api(
+ episode_id, lang, is_video, True, episode_id[:4] == '9999')[0]
+ title = episode.get('sub_title_clean') or episode['sub_title']
+
+ def get_clean_field(key):
+ return episode.get(key + '_clean') or episode.get(key)
+
+ series = get_clean_field('title')
+
+ thumbnails = []
+ for s, w, h in [('', 640, 360), ('_l', 1280, 720)]:
+ img_path = episode.get('image' + s)
+ if not img_path:
+ continue
+ thumbnails.append({
+ 'id': '%dp' % h,
+ 'height': h,
+ 'width': w,
+ 'url': 'https://www3.nhk.or.jp' + img_path,
+ })
+
+ info = {
+ 'id': episode_id + '-' + lang,
+ 'title': '%s - %s' % (series, title) if series and title else title,
+ 'description': get_clean_field('description'),
+ 'thumbnails': thumbnails,
+ 'series': series,
+ 'episode': title,
+ }
+ if is_video:
+ vod_id = episode['vod_id']
+ info.update({
+ '_type': 'url_transparent',
+ 'ie_key': 'Piksel',
+ 'url': 'https://player.piksel.com/v/refid/nhkworld/prefid/' + vod_id,
+ 'id': vod_id,
+ })
+ else:
+ if fetch_episode:
+ audio_path = episode['audio']['audio']
+ info['formats'] = self._extract_m3u8_formats(
+ 'https://nhkworld-vh.akamaihd.net/i%s/master.m3u8' % audio_path,
+ episode_id, 'm4a', entry_protocol='m3u8_native',
+ m3u8_id='hls', fatal=False)
+ for f in info['formats']:
+ f['language'] = lang
+ else:
+ info.update({
+ '_type': 'url_transparent',
+ 'ie_key': NhkVodIE.ie_key(),
+ 'url': url,
+ })
+ return info
+
+
+class NhkVodIE(NhkBaseIE):
+ # the 7-character IDs can have alphabetic chars too: assume [a-z] rather than just [a-f], eg
+ _VALID_URL = r'%s%s(?P<id>[0-9a-z]{7}|[^/]+?-\d{8}-[0-9a-z]+)' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
+ # Content available only for a limited period of time. Visit
+ # https://www3.nhk.or.jp/nhkworld/en/ondemand/ for working samples.
+ _TESTS = [{
+ # video clip
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999011/',
+ 'md5': '7a90abcfe610ec22a6bfe15bd46b30ca',
+ 'info_dict': {
+ 'id': 'a95j5iza',
+ 'ext': 'mp4',
+ 'title': "Dining with the Chef - Chef Saito's Family recipe: MENCHI-KATSU",
+ 'description': 'md5:5aee4a9f9d81c26281862382103b0ea5',
+ 'timestamp': 1565965194,
+ 'upload_date': '20190816',
+ },
+ }, {
+ # audio clip
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/r_inventions-20201104-1/',
+ 'info_dict': {
+ 'id': 'r_inventions-20201104-1-en',
+ 'ext': 'm4a',
+ 'title': "Japan's Top Inventions - Miniature Video Cameras",
+ 'description': 'md5:07ea722bdbbb4936fdd360b6a480c25b',
+ },
+ 'params': {
+ # m3u8 download
+ 'skip_download': True,
+ },
+ }, {
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2015173/',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/plugin-20190404-1/',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://www3.nhk.or.jp/nhkworld/fr/ondemand/audio/plugin-20190404-1/',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/j_art-20150903-1/',
+ 'only_matching': True,
+ }, {
+ # video, alphabetic character in ID #29670
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999a34/',
+ 'only_matching': True,
+ 'info_dict': {
+ 'id': 'qfjay6cg',
+ 'ext': 'mp4',
+ 'title': 'DESIGN TALKS plus - Fishermen’s Finery',
+ 'description': 'md5:8a8f958aaafb0d7cb59d38de53f1e448',
+ 'thumbnail': r're:^https?:/(/[a-z0-9.-]+)+\.jpg\?w=1920&h=1080$',
+ 'upload_date': '20210615',
+ 'timestamp': 1623722008,
+ }
+ }]
+
+ def _real_extract(self, url):
+ return self._extract_episode_info(url)
+
+
+class NhkVodProgramIE(NhkBaseIE):
+ _VALID_URL = r'%s/program%s(?P<id>[0-9a-z]+)(?:.+?\btype=(?P<episode_type>clip|(?:radio|tv)Episode))?' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
+ _TESTS = [{
+ # video program episodes
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway',
+ 'info_dict': {
+ 'id': 'japanrailway',
+ 'title': 'Japan Railway Journal',
+ },
+ 'playlist_mincount': 1,
+ }, {
+ # video program clips
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway/?type=clip',
+ 'info_dict': {
+ 'id': 'japanrailway',
+ 'title': 'Japan Railway Journal',
+ },
+ 'playlist_mincount': 5,
+ }, {
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/10yearshayaomiyazaki/',
+ 'only_matching': True,
+ }, {
+ # audio program
+ 'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/audio/listener/',
+ 'only_matching': True,
+ }]
+
+ def _real_extract(self, url):
+ lang, m_type, program_id, episode_type = self._match_valid_url(url).groups()
+
+ episodes = self._call_api(
+ program_id, lang, m_type == 'video', False, episode_type == 'clip')
+
+ entries = []
+ for episode in episodes:
+ episode_path = episode.get('url')
+ if not episode_path:
+ continue
+ entries.append(self._extract_episode_info(
+ urljoin(url, episode_path), episode))
+
+ program_title = None
+ if entries:
+ program_title = entries[0].get('series')
+
+ return self.playlist_result(entries, program_id, program_title)
+
+
+class NhkForSchoolBangumiIE(InfoExtractor):
+ _VALID_URL = r'https?://www2\.nhk\.or\.jp/school/movie/(?P<type>bangumi|clip)\.cgi\?das_id=(?P<id>[a-zA-Z0-9_-]+)'
+ _TESTS = [{
+ 'url': 'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id=D0005150191_00000',
+ 'info_dict': {
+ 'id': 'D0005150191_00003',
+ 'title': 'にている かな',
+ 'duration': 599.999,
+ 'timestamp': 1396414800,
+
+ 'upload_date': '20140402',
+ 'ext': 'mp4',
+
+ 'chapters': 'count:12'
+ },
+ 'params': {
+ # m3u8 download
+ 'skip_download': True,
+ },
+ }]
+
+ def _real_extract(self, url):
+ program_type, video_id = self._match_valid_url(url).groups()
+
+ webpage = self._download_webpage(
+ f'https://www2.nhk.or.jp/school/movie/{program_type}.cgi?das_id={video_id}', video_id)
+
+ # searches all variables
+ base_values = {g.group(1): g.group(2) for g in re.finditer(r'var\s+([a-zA-Z_]+)\s*=\s*"([^"]+?)";', webpage)}
+ # and programObj values too
+ program_values = {g.group(1): g.group(3) for g in re.finditer(r'(?:program|clip)Obj\.([a-zA-Z_]+)\s*=\s*(["\'])([^"]+?)\2;', webpage)}
+ # extract all chapters
+ chapter_durations = [parse_duration(g.group(1)) for g in re.finditer(r'chapterTime\.push\(\'([0-9:]+?)\'\);', webpage)]
+ chapter_titles = [' '.join([g.group(1) or '', unescapeHTML(g.group(2))]).strip() for g in re.finditer(r'<div class="cpTitle"><span>(scene\s*\d+)?</span>([^<]+?)</div>', webpage)]
+
+ # this is how player_core.js is actually doing (!)
+ version = base_values.get('r_version') or program_values.get('version')
+ if version:
+ video_id = f'{video_id.split("_")[0]}_{version}'
+
+ formats = self._extract_m3u8_formats(
+ f'https://nhks-vh.akamaihd.net/i/das/{video_id[0:8]}/{video_id}_V_000.f4v/master.m3u8',
+ video_id, ext='mp4', m3u8_id='hls')
+
+ duration = parse_duration(base_values.get('r_duration'))
+
+ chapters = None
+ if chapter_durations and chapter_titles and len(chapter_durations) == len(chapter_titles):
+ start_time = chapter_durations
+ end_time = chapter_durations[1:] + [duration]
+ chapters = [{
+ 'start_time': s,
+ 'end_time': e,
+ 'title': t,
+ } for s, e, t in zip(start_time, end_time, chapter_titles)]
+
+ return {
+ 'id': video_id,
+ 'title': program_values.get('name'),
+ 'duration': parse_duration(base_values.get('r_duration')),
+ 'timestamp': unified_timestamp(base_values['r_upload']),
+ 'formats': formats,
+ 'chapters': chapters,
+ }
+
+
+class NhkForSchoolSubjectIE(InfoExtractor):
+ IE_DESC = 'Portal page for each school subjects, like Japanese (kokugo, 国語) or math (sansuu/suugaku or 算数・数学)'
+ KNOWN_SUBJECTS = (
+ 'rika', 'syakai', 'kokugo',
+ 'sansuu', 'seikatsu', 'doutoku',
+ 'ongaku', 'taiiku', 'zukou',
+ 'gijutsu', 'katei', 'sougou',
+ 'eigo', 'tokkatsu',
+ 'tokushi', 'sonota',
+ )
+ _VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>%s)/?(?:[\?#].*)?$' % '|'.join(re.escape(s) for s in KNOWN_SUBJECTS)
+
+ _TESTS = [{
+ 'url': 'https://www.nhk.or.jp/school/sougou/',
+ 'info_dict': {
+ 'id': 'sougou',
+ 'title': '総合的な学習の時間',
+ },
+ 'playlist_mincount': 16,
+ }, {
+ 'url': 'https://www.nhk.or.jp/school/rika/',
+ 'info_dict': {
+ 'id': 'rika',
+ 'title': '理科',
+ },
+ 'playlist_mincount': 15,
+ }]
+
+ def _real_extract(self, url):
+ subject_id = self._match_id(url)
+ webpage = self._download_webpage(url, subject_id)
+
+ return self.playlist_from_matches(
+ re.finditer(rf'href="((?:https?://www\.nhk\.or\.jp)?/school/{re.escape(subject_id)}/[^/]+/)"', webpage),
+ subject_id,
+ self._html_search_regex(r'(?s)<span\s+class="subjectName">\s*<img\s*[^<]+>\s*([^<]+?)</span>', webpage, 'title', fatal=False),
+ lambda g: urljoin(url, g.group(1)))
+
+
+class NhkForSchoolProgramListIE(InfoExtractor):
+ _VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>(?:%s)/[a-zA-Z0-9_-]+)' % (
+ '|'.join(re.escape(s) for s in NhkForSchoolSubjectIE.KNOWN_SUBJECTS)
+ )
+ _TESTS = [{
+ 'url': 'https://www.nhk.or.jp/school/sougou/q/',
+ 'info_dict': {
+ 'id': 'sougou/q',
+ 'title': 'Q~こどものための哲学',
+ },
+ 'playlist_mincount': 20,
+ }]
+
+ def _real_extract(self, url):
+ program_id = self._match_id(url)
+
+ webpage = self._download_webpage(f'https://www.nhk.or.jp/school/{program_id}/', program_id)
+
+ title = (self._generic_title('', webpage)
+ or self._html_search_regex(r'<h3>([^<]+?)とは?\s*</h3>', webpage, 'title', fatal=False))
+ title = re.sub(r'\s*\|\s*NHK\s+for\s+School\s*$', '', title) if title else None
+ description = self._html_search_regex(
+ r'(?s)<div\s+class="programDetail\s*">\s*<p>[^<]+</p>',
+ webpage, 'description', fatal=False, group=0)
+
+ bangumi_list = self._download_json(
+ f'https://www.nhk.or.jp/school/{program_id}/meta/program.json', program_id)
+ # they're always bangumi
+ bangumis = [
+ self.url_result(f'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id={x}')
+ for x in traverse_obj(bangumi_list, ('part', ..., 'part-video-dasid')) or []]
+
+ return self.playlist_result(bangumis, program_id, title, description)