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326 lines
12 KiB
Python
326 lines
12 KiB
Python
import re
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from .common import InfoExtractor
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from ..utils import (
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parse_duration,
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traverse_obj,
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unescapeHTML,
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unified_timestamp,
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urljoin
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)
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class NhkBaseIE(InfoExtractor):
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_API_URL_TEMPLATE = 'https://api.nhk.or.jp/nhkworld/%sod%slist/v7a/%s/%s/%s/all%s.json'
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_BASE_URL_REGEX = r'https?://www3\.nhk\.or\.jp/nhkworld/(?P<lang>[a-z]{2})/ondemand'
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_TYPE_REGEX = r'/(?P<type>video|audio)/'
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def _call_api(self, m_id, lang, is_video, is_episode, is_clip):
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return self._download_json(
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self._API_URL_TEMPLATE % (
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'v' if is_video else 'r',
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'clip' if is_clip else 'esd',
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'episode' if is_episode else 'program',
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m_id, lang, '/all' if is_video else ''),
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m_id, query={'apikey': 'EJfK8jdS57GqlupFgAfAAwr573q01y6k'})['data']['episodes'] or []
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def _extract_episode_info(self, url, episode=None):
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fetch_episode = episode is None
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lang, m_type, episode_id = NhkVodIE._match_valid_url(url).groups()
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if episode_id.isdigit():
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episode_id = episode_id[:4] + '-' + episode_id[4:]
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is_video = m_type == 'video'
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if fetch_episode:
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episode = self._call_api(
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episode_id, lang, is_video, True, episode_id[:4] == '9999')[0]
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title = episode.get('sub_title_clean') or episode['sub_title']
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def get_clean_field(key):
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return episode.get(key + '_clean') or episode.get(key)
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series = get_clean_field('title')
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thumbnails = []
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for s, w, h in [('', 640, 360), ('_l', 1280, 720)]:
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img_path = episode.get('image' + s)
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if not img_path:
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continue
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thumbnails.append({
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'id': '%dp' % h,
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'height': h,
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'width': w,
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'url': 'https://www3.nhk.or.jp' + img_path,
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})
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info = {
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'id': episode_id + '-' + lang,
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'title': '%s - %s' % (series, title) if series and title else title,
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'description': get_clean_field('description'),
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'thumbnails': thumbnails,
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'series': series,
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'episode': title,
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}
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if is_video:
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vod_id = episode['vod_id']
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info.update({
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'_type': 'url_transparent',
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'ie_key': 'Piksel',
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'url': 'https://player.piksel.com/v/refid/nhkworld/prefid/' + vod_id,
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'id': vod_id,
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})
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else:
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if fetch_episode:
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audio_path = episode['audio']['audio']
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info['formats'] = self._extract_m3u8_formats(
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'https://nhkworld-vh.akamaihd.net/i%s/master.m3u8' % audio_path,
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episode_id, 'm4a', entry_protocol='m3u8_native',
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m3u8_id='hls', fatal=False)
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for f in info['formats']:
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f['language'] = lang
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self._sort_formats(info['formats'])
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else:
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info.update({
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'_type': 'url_transparent',
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'ie_key': NhkVodIE.ie_key(),
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'url': url,
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})
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return info
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class NhkVodIE(NhkBaseIE):
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_VALID_URL = r'%s%s(?P<id>\d{7}|[^/]+?-\d{8}-[0-9a-z]+)' % (NhkBaseIE._BASE_URL_REGEX, NhkBaseIE._TYPE_REGEX)
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# Content available only for a limited period of time. Visit
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# https://www3.nhk.or.jp/nhkworld/en/ondemand/ for working samples.
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_TESTS = [{
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# video clip
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/9999011/',
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'md5': '7a90abcfe610ec22a6bfe15bd46b30ca',
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'info_dict': {
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'id': 'a95j5iza',
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'ext': 'mp4',
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'title': "Dining with the Chef - Chef Saito's Family recipe: MENCHI-KATSU",
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'description': 'md5:5aee4a9f9d81c26281862382103b0ea5',
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'timestamp': 1565965194,
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'upload_date': '20190816',
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},
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}, {
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# audio clip
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/r_inventions-20201104-1/',
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'info_dict': {
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'id': 'r_inventions-20201104-1-en',
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'ext': 'm4a',
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'title': "Japan's Top Inventions - Miniature Video Cameras",
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'description': 'md5:07ea722bdbbb4936fdd360b6a480c25b',
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},
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'params': {
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# m3u8 download
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'skip_download': True,
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},
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}, {
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2015173/',
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'only_matching': True,
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}, {
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/plugin-20190404-1/',
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'only_matching': True,
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}, {
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'url': 'https://www3.nhk.or.jp/nhkworld/fr/ondemand/audio/plugin-20190404-1/',
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'only_matching': True,
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}, {
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/audio/j_art-20150903-1/',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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return self._extract_episode_info(url)
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class NhkVodProgramIE(NhkBaseIE):
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_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)
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_TESTS = [{
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# video program episodes
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway',
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'info_dict': {
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'id': 'japanrailway',
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'title': 'Japan Railway Journal',
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},
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'playlist_mincount': 1,
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}, {
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# video program clips
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/japanrailway/?type=clip',
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'info_dict': {
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'id': 'japanrailway',
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'title': 'Japan Railway Journal',
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},
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'playlist_mincount': 5,
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}, {
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/10yearshayaomiyazaki/',
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'only_matching': True,
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}, {
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# audio program
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'url': 'https://www3.nhk.or.jp/nhkworld/en/ondemand/program/audio/listener/',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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lang, m_type, program_id, episode_type = self._match_valid_url(url).groups()
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episodes = self._call_api(
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program_id, lang, m_type == 'video', False, episode_type == 'clip')
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entries = []
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for episode in episodes:
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episode_path = episode.get('url')
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if not episode_path:
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continue
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entries.append(self._extract_episode_info(
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urljoin(url, episode_path), episode))
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program_title = None
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if entries:
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program_title = entries[0].get('series')
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return self.playlist_result(entries, program_id, program_title)
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class NhkForSchoolBangumiIE(InfoExtractor):
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_VALID_URL = r'https?://www2\.nhk\.or\.jp/school/movie/(?P<type>bangumi|clip)\.cgi\?das_id=(?P<id>[a-zA-Z0-9_-]+)'
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_TESTS = [{
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'url': 'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id=D0005150191_00000',
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'info_dict': {
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'id': 'D0005150191_00003',
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'title': 'にている かな',
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'duration': 599.999,
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'timestamp': 1396414800,
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'upload_date': '20140402',
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'ext': 'mp4',
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'chapters': 'count:12'
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},
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'params': {
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# m3u8 download
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'skip_download': True,
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},
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}]
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def _real_extract(self, url):
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program_type, video_id = self._match_valid_url(url).groups()
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webpage = self._download_webpage(
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f'https://www2.nhk.or.jp/school/movie/{program_type}.cgi?das_id={video_id}', video_id)
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# searches all variables
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base_values = {g.group(1): g.group(2) for g in re.finditer(r'var\s+([a-zA-Z_]+)\s*=\s*"([^"]+?)";', webpage)}
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# and programObj values too
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program_values = {g.group(1): g.group(3) for g in re.finditer(r'(?:program|clip)Obj\.([a-zA-Z_]+)\s*=\s*(["\'])([^"]+?)\2;', webpage)}
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# extract all chapters
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chapter_durations = [parse_duration(g.group(1)) for g in re.finditer(r'chapterTime\.push\(\'([0-9:]+?)\'\);', webpage)]
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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)]
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# this is how player_core.js is actually doing (!)
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version = base_values.get('r_version') or program_values.get('version')
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if version:
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video_id = f'{video_id.split("_")[0]}_{version}'
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formats = self._extract_m3u8_formats(
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f'https://nhks-vh.akamaihd.net/i/das/{video_id[0:8]}/{video_id}_V_000.f4v/master.m3u8',
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video_id, ext='mp4', m3u8_id='hls')
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self._sort_formats(formats)
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duration = parse_duration(base_values.get('r_duration'))
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chapters = None
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if chapter_durations and chapter_titles and len(chapter_durations) == len(chapter_titles):
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start_time = chapter_durations
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end_time = chapter_durations[1:] + [duration]
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chapters = [{
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'start_time': s,
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'end_time': e,
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'title': t,
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} for s, e, t in zip(start_time, end_time, chapter_titles)]
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return {
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'id': video_id,
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'title': program_values.get('name'),
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'duration': parse_duration(base_values.get('r_duration')),
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'timestamp': unified_timestamp(base_values['r_upload']),
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'formats': formats,
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'chapters': chapters,
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}
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class NhkForSchoolSubjectIE(InfoExtractor):
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IE_DESC = 'Portal page for each school subjects, like Japanese (kokugo, 国語) or math (sansuu/suugaku or 算数・数学)'
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KNOWN_SUBJECTS = (
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'rika', 'syakai', 'kokugo',
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'sansuu', 'seikatsu', 'doutoku',
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'ongaku', 'taiiku', 'zukou',
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'gijutsu', 'katei', 'sougou',
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'eigo', 'tokkatsu',
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'tokushi', 'sonota',
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)
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_VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>%s)/?(?:[\?#].*)?$' % '|'.join(re.escape(s) for s in KNOWN_SUBJECTS)
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_TESTS = [{
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'url': 'https://www.nhk.or.jp/school/sougou/',
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'info_dict': {
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'id': 'sougou',
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'title': '総合的な学習の時間',
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},
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'playlist_mincount': 16,
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}, {
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'url': 'https://www.nhk.or.jp/school/rika/',
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'info_dict': {
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'id': 'rika',
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'title': '理科',
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},
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'playlist_mincount': 15,
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}]
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def _real_extract(self, url):
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subject_id = self._match_id(url)
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webpage = self._download_webpage(url, subject_id)
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return self.playlist_from_matches(
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re.finditer(rf'href="((?:https?://www\.nhk\.or\.jp)?/school/{re.escape(subject_id)}/[^/]+/)"', webpage),
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subject_id,
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self._html_search_regex(r'(?s)<span\s+class="subjectName">\s*<img\s*[^<]+>\s*([^<]+?)</span>', webpage, 'title', fatal=False),
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lambda g: urljoin(url, g.group(1)))
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class NhkForSchoolProgramListIE(InfoExtractor):
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_VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>(?:%s)/[a-zA-Z0-9_-]+)' % (
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'|'.join(re.escape(s) for s in NhkForSchoolSubjectIE.KNOWN_SUBJECTS)
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)
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_TESTS = [{
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'url': 'https://www.nhk.or.jp/school/sougou/q/',
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'info_dict': {
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'id': 'sougou/q',
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'title': 'Ｑ～こどものための哲学',
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},
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'playlist_mincount': 20,
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}]
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def _real_extract(self, url):
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program_id = self._match_id(url)
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webpage = self._download_webpage(f'https://www.nhk.or.jp/school/{program_id}/', program_id)
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title = (self._og_search_title(webpage)
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or self._html_extract_title(webpage)
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or self._html_search_regex(r'<h3>([^<]+?)とは？\s*</h3>', webpage, 'title', fatal=False))
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title = re.sub(r'\s*\|\s*NHK\s+for\s+School\s*$', '', title) if title else None
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description = self._html_search_regex(
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r'(?s)<div\s+class="programDetail\s*">\s*<p>[^<]+</p>',
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webpage, 'description', fatal=False, group=0)
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bangumi_list = self._download_json(
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f'https://www.nhk.or.jp/school/{program_id}/meta/program.json', program_id)
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# they're always bangumi
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bangumis = [
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self.url_result(f'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id={x}')
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for x in traverse_obj(bangumi_list, ('part', ..., 'part-video-dasid')) or []]
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return self.playlist_result(bangumis, program_id, title, description)
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