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[extractor/rozhlas] MujRozhlas: Add extractor (#7129)
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Authored by: stanoarn
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@stanoarn
stanoarn committed Jun 7, 2023
1 parent 59d9fe0 commit c2b801f
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Showing 2 changed files with 144 additions and 21 deletions.
1 change: 1 addition & 0 deletions yt_dlp/extractor/_extractors.py
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Expand Up @@ -1625,6 +1625,7 @@
from .rozhlas import (
RozhlasIE,
RozhlasVltavaIE,
MujRozhlasIE,
)
from .rte import RteIE, RteRadioIE
from .rtlnl import (
Expand Down
164 changes: 143 additions & 21 deletions yt_dlp/extractor/rozhlas.py
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@@ -1,10 +1,15 @@
import itertools
import urllib.error

from .common import InfoExtractor
from ..utils import (
ExtractorError,
extract_attributes,
int_or_none,
remove_start,
str_or_none,
traverse_obj,
unified_timestamp,
url_or_none,
)

Expand Down Expand Up @@ -51,7 +56,40 @@ def _real_extract(self, url):
}


class RozhlasVltavaIE(InfoExtractor):
class RozhlasBaseIE(InfoExtractor):
def _extract_formats(self, entry, audio_id):
formats = []
for audio in traverse_obj(entry, ('audioLinks', lambda _, v: url_or_none(v['url']))):
ext = audio.get('variant')
for retry in self.RetryManager():
if retry.attempt > 1:
self._sleep(1, audio_id)
try:
if ext == 'dash':
formats.extend(self._extract_mpd_formats(
audio['url'], audio_id, mpd_id=ext))
elif ext == 'hls':
formats.extend(self._extract_m3u8_formats(
audio['url'], audio_id, 'm4a', m3u8_id=ext))
else:
formats.append({
'url': audio['url'],
'ext': ext,
'format_id': ext,
'abr': int_or_none(audio.get('bitrate')),
'acodec': ext,
'vcodec': 'none',
})
except ExtractorError as e:
if isinstance(e.cause, urllib.error.HTTPError) and e.cause.code == 429:
retry.error = e.cause
else:
self.report_warning(e.msg)

return formats


class RozhlasVltavaIE(RozhlasBaseIE):
_VALID_URL = r'https?://(?:\w+\.rozhlas|english\.radio)\.cz/[\w-]+-(?P<id>\d+)'
_TESTS = [{
'url': 'https://wave.rozhlas.cz/papej-masicko-porcujeme-a-bilancujeme-filmy-a-serialy-ktere-letos-zabily-8891337',
Expand Down Expand Up @@ -168,33 +206,14 @@ class RozhlasVltavaIE(InfoExtractor):
}]

def _extract_video(self, entry):
formats = []
audio_id = entry['meta']['ga']['contentId']
for audio in traverse_obj(entry, ('audioLinks', lambda _, v: url_or_none(v['url']))):
ext = audio.get('variant')
if ext == 'dash':
formats.extend(self._extract_mpd_formats(
audio['url'], audio_id, mpd_id=ext, fatal=False))
elif ext == 'hls':
formats.extend(self._extract_m3u8_formats(
audio['url'], audio_id, 'm4a', m3u8_id=ext, fatal=False))
else:
formats.append({
'url': audio['url'],
'ext': ext,
'format_id': ext,
'abr': int_or_none(audio.get('bitrate')),
'acodec': ext,
'vcodec': 'none',
})

chapter_number = traverse_obj(entry, ('meta', 'ga', 'contentSerialPart', {int_or_none}))

return {
'id': audio_id,
'chapter': traverse_obj(entry, ('meta', 'ga', 'contentNameShort')) if chapter_number else None,
'chapter_number': chapter_number,
'formats': formats,
'formats': self._extract_formats(entry, audio_id),
**traverse_obj(entry, {
'title': ('meta', 'ga', 'contentName'),
'description': 'title',
Expand All @@ -219,3 +238,106 @@ def _real_extract(self, url):
'title': traverse_obj(data, ('series', 'title')),
'entries': map(self._extract_video, data['playlist']),
}


class MujRozhlasIE(RozhlasBaseIE):
_VALID_URL = r'https?://(?:www\.)?mujrozhlas\.cz/(?:[^/]+/)*(?P<id>[^/?#&]+)'
_TESTS = [{
# single episode extraction
'url': 'https://www.mujrozhlas.cz/vykopavky/ach-jo-zase-teleci-rizek-je-mnohem-min-cesky-nez-jsme-si-mysleli',
'md5': '6f8fd68663e64936623e67c152a669e0',
'info_dict': {
'id': '10739193',
'ext': 'mp3',
'title': 'Ach jo, zase to telecí! Řízek je mnohem míň český, než jsme si mysleli',
'description': 'md5:db7141e9caaedc9041ec7cefb9a62908',
'timestamp': 1684915200,
'modified_timestamp': 1684922446,
'series': 'Vykopávky',
'thumbnail': 'https://portal.rozhlas.cz/sites/default/files/images/84377046610af6ddc54d910b1dd7a22b.jpg',
'channel_id': 'radio-wave',
'upload_date': '20230524',
'modified_date': '20230524',
},
}, {
# serial extraction
'url': 'https://www.mujrozhlas.cz/radiokniha/jaroslava-janackova-pribeh-tajemneho-psani-o-pramenech-genezi-babicky',
'playlist_mincount': 7,
'info_dict': {
'id': 'bb2b5f4e-ffb4-35a6-a34a-046aa62d6f6b',
'title': 'Jaroslava Janáčková: Příběh tajemného psaní. O pramenech a genezi Babičky',
'description': 'md5:7434d8fac39ac9fee6df098e11dfb1be',
},
}, {
# show extraction
'url': 'https://www.mujrozhlas.cz/nespavci',
'playlist_mincount': 14,
'info_dict': {
'id': '09db9b37-d0f4-368c-986a-d3439f741f08',
'title': 'Nespavci',
'description': 'md5:c430adcbf9e2b9eac88b745881e814dc',
},
}]

def _call_api(self, path, item_id, msg='API JSON'):
return self._download_json(
f'https://api.mujrozhlas.cz/{path}/{item_id}', item_id,
note=f'Downloading {msg}', errnote=f'Failed to download {msg}')['data']

def _extract_audio_entry(self, entry):
audio_id = entry['meta']['ga']['contentId']

return {
'id': audio_id,
'formats': self._extract_formats(entry['attributes'], audio_id),
**traverse_obj(entry, {
'title': ('attributes', 'title'),
'description': ('attributes', 'description'),
'episode_number': ('attributes', 'part'),
'series': ('attributes', 'mirroredShow', 'title'),
'chapter': ('attributes', 'mirroredSerial', 'title'),
'artist': ('meta', 'ga', 'contentAuthor'),
'channel_id': ('meta', 'ga', 'contentCreator'),
'timestamp': ('attributes', 'since', {unified_timestamp}),
'modified_timestamp': ('attributes', 'updated', {unified_timestamp}),
'thumbnail': ('attributes', 'asset', 'url', {url_or_none}),
})
}

def _entries(self, api_url, playlist_id):
for page in itertools.count(1):
episodes = self._download_json(
api_url, playlist_id, note=f'Downloading episodes page {page}',
errnote=f'Failed to download episodes page {page}', fatal=False)
for episode in traverse_obj(episodes, ('data', lambda _, v: v['meta']['ga']['contentId'])):
yield self._extract_audio_entry(episode)
api_url = traverse_obj(episodes, ('links', 'next', {url_or_none}))
if not api_url:
break

def _real_extract(self, url):
display_id = self._match_id(url)
webpage = self._download_webpage(url, display_id)
info = self._search_json(r'\bvar\s+dl\s*=', webpage, 'info json', display_id)

entity = info['siteEntityBundle']

if entity == 'episode':
return self._extract_audio_entry(self._call_api(
'episodes', info['contentId'], 'episode info API JSON'))

elif entity in ('show', 'serial'):
playlist_id = info['contentShow'].split(':')[0] if entity == 'show' else info['contentId']
data = self._call_api(f'{entity}s', playlist_id, f'{entity} playlist JSON')
api_url = data['relationships']['episodes']['links']['related']
return self.playlist_result(
self._entries(api_url, playlist_id), playlist_id,
**traverse_obj(data, ('attributes', {
'title': 'title',
'description': 'description',
})))

else:
# `entity == 'person'` not implemented yet by API, ref:
# https://api.mujrozhlas.cz/persons/8367e456-2a57-379a-91bb-e699619bea49/participation
raise ExtractorError(f'Unsupported entity type "{entity}"')

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