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from yt_dlp.extractor.common import InfoExtractor
from yt_dlp.utils import (
clean_html,
traverse_obj,
url_or_none,
str_or_none,
)
# nice simple one for a change...
# the app uses a similar system to regular programmes, thankfully the site doesn't
# but it does need protobufs to get more than 20 items...
class _RadikoPodcastBaseIE(InfoExtractor):
def _extract_episode(self, episode_info):
return {
**traverse_obj(episode_info, {
"id": ("id", {str_or_none}),
"url": ("audio", "url"),
"duration": ("audio", "durationSec"),
"title": "title",
"description": ("description", {clean_html}),
"timestamp": ("startAt", "seconds"),
"series": "channelTitle",
"series_id": "channelId",
"channel": "channelStationName",
"uploader": "channelStationName",
}),
"thumbnail": traverse_obj(episode_info, ("imageUrl", {url_or_none}))
or traverse_obj(episode_info, ("channelImageUrl", {url_or_none})),
# so that --download-archive still works if you download from the playlist page
"webpage_url": "https://radiko.jp/podcast/episodes/{id}".format(id=episode_info.get("id")),
'extractor_key': RadikoPodcastEpisodeIE.ie_key(),
'extractor': 'RadikoPodcastEpisode',
}
class RadikoPodcastEpisodeIE(_RadikoPodcastBaseIE):
_VALID_URL = r"https?://radiko\.jp/podcast/episodes/(?P<id>[a-f0-9-]+)"
_TESTS = [{
"url": "https://radiko.jp/podcast/episodes/cc8cf709-a50b-4846-aa0e-91ab10cf8bff",
"info_dict": {
"id": "cc8cf709-a50b-4846-aa0e-91ab10cf8bff",
"ext": "mp3",
'title': '2025.6.26 おしゃべり技術くん',
'description': 'md5:1c4048025f68d6da053dd879a5d62304',
'duration': 717,
'thumbnail': 'https://podcast-static.cf.radiko.jp/09f27a48-ae04-4ce7-a024-572460e46eb7-20240214160012.png',
'series': 'おしゃべり技術くん',
'series_id': '09f27a48-ae04-4ce7-a024-572460e46eb7',
'timestamp': 1751554800,
'upload_date': '20250703',
'uploader': 'IBCラジオ',
'channel': 'IBCラジオ',
},
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
next_data = self._search_nextjs_data(webpage, video_id)["props"]["pageProps"]
episode_info = next_data["podcastEpisode"]
return self._extract_episode(episode_info)
class RadikoPodcastChannelIE(_RadikoPodcastBaseIE):
_VALID_URL = r"https?://radiko\.jp/podcast/channels/(?P<id>[a-f0-9-]+)"
_TESTS = [{
"url": "https://radiko.jp/podcast/channels/09f27a48-ae04-4ce7-a024-572460e46eb7",
"info_dict": {
"id": "09f27a48-ae04-4ce7-a024-572460e46eb7"
},
'playlist_mincount': 20,
'expected_warnings': ['Currently this extractor can only extract the latest 20 episodes'],
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
next_data = self._search_nextjs_data(webpage, video_id)["props"]["pageProps"]
channel_info = next_data["podcastChannel"]
episode_list_response = next_data["listPodcastEpisodesResponse"]
def entries():
for episode in episode_list_response["episodesList"]:
yield self._extract_episode(episode)
if traverse_obj(episode_list_response, "hasNextPage"):
self.report_warning(f'Currently this extractor can only extract the latest {len(episode_list_response["episodesList"])} episodes')
# TODO: GRPC/protobuf stuff to get the next page
# https://api.annex.radiko.jp/radiko.PodcastService/ListPodcastEpisodes
# see さらに表示 button on site
return {
"_type": "playlist",
"id": video_id,
**traverse_obj(channel_info, {
"playlist_title": "title",
"playlist_id": "id",
"playlist_description": ("description", {clean_html}),
"playlist_thumbnail": ("imageUrl", {url_or_none}),
}),
"entries": entries(),
}
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