1
mirror of https://github.com/yt-dlp/yt-dlp synced 2024-12-11 22:23:56 +01:00
yt-dlp/yt_dlp/extractor/cbc.py
makeworld 9bf14be775
[ie/cbc] Ignore any 426 from API (#7689)
Closes #7477
Authored by: makew0rld
2023-09-16 20:49:43 +00:00

629 lines
26 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import re
import json
import base64
import time
import urllib.parse
from .common import InfoExtractor
from ..compat import (
compat_str,
)
from ..utils import (
ExtractorError,
int_or_none,
join_nonempty,
js_to_json,
orderedSet,
parse_iso8601,
smuggle_url,
strip_or_none,
traverse_obj,
try_get,
)
class CBCIE(InfoExtractor):
IE_NAME = 'cbc.ca'
_VALID_URL = r'https?://(?:www\.)?cbc\.ca/(?!player/)(?:[^/]+/)+(?P<id>[^/?#]+)'
_TESTS = [{
# with mediaId
'url': 'http://www.cbc.ca/22minutes/videos/clips-season-23/don-cherry-play-offs',
'md5': '97e24d09672fc4cf56256d6faa6c25bc',
'info_dict': {
'id': '2682904050',
'ext': 'mp4',
'title': 'Don Cherry All-Stars',
'description': 'Don Cherry has a bee in his bonnet about AHL player John Scott because that guys got heart.',
'timestamp': 1454463000,
'upload_date': '20160203',
'uploader': 'CBCC-NEW',
},
'skip': 'Geo-restricted to Canada',
}, {
# with clipId, feed available via tpfeed.cbc.ca and feed.theplatform.com
'url': 'http://www.cbc.ca/22minutes/videos/22-minutes-update/22-minutes-update-episode-4',
'md5': '162adfa070274b144f4fdc3c3b8207db',
'info_dict': {
'id': '2414435309',
'ext': 'mp4',
'title': '22 Minutes Update: What Not To Wear Quebec',
'description': "This week's latest Canadian top political story is What Not To Wear Quebec.",
'upload_date': '20131025',
'uploader': 'CBCC-NEW',
'timestamp': 1382717907,
},
'skip': 'No longer available',
}, {
# with clipId, feed only available via tpfeed.cbc.ca
'url': 'http://www.cbc.ca/archives/entry/1978-robin-williams-freestyles-on-90-minutes-live',
'md5': '0274a90b51a9b4971fe005c63f592f12',
'info_dict': {
'id': '2487345465',
'ext': 'mp4',
'title': 'Robin Williams freestyles on 90 Minutes Live',
'description': 'Wacky American comedian Robin Williams shows off his infamous "freestyle" comedic talents while being interviewed on CBC\'s 90 Minutes Live.',
'upload_date': '19780210',
'uploader': 'CBCC-NEW',
'timestamp': 255977160,
},
}, {
# multiple iframes
'url': 'http://www.cbc.ca/natureofthings/blog/birds-eye-view-from-vancouvers-burrard-street-bridge-how-we-got-the-shot',
'playlist': [{
'md5': '377572d0b49c4ce0c9ad77470e0b96b4',
'info_dict': {
'id': '2680832926',
'ext': 'mp4',
'title': 'An Eagle\'s-Eye View Off Burrard Bridge',
'description': 'Hercules the eagle flies from Vancouver\'s Burrard Bridge down to a nearby park with a mini-camera strapped to his back.',
'upload_date': '20160201',
'timestamp': 1454342820,
'uploader': 'CBCC-NEW',
},
}, {
'md5': '415a0e3f586113894174dfb31aa5bb1a',
'info_dict': {
'id': '2658915080',
'ext': 'mp4',
'title': 'Fly like an eagle!',
'description': 'Eagle equipped with a mini camera flies from the world\'s tallest tower',
'upload_date': '20150315',
'timestamp': 1426443984,
'uploader': 'CBCC-NEW',
},
}],
'skip': 'Geo-restricted to Canada',
}, {
# multiple CBC.APP.Caffeine.initInstance(...)
'url': 'http://www.cbc.ca/news/canada/calgary/dog-indoor-exercise-winter-1.3928238',
'info_dict': {
'title': 'Keep Rover active during the deep freeze with doggie pushups and other fun indoor tasks',
'id': 'dog-indoor-exercise-winter-1.3928238',
'description': 'md5:c18552e41726ee95bd75210d1ca9194c',
},
'playlist_mincount': 6,
}]
@classmethod
def suitable(cls, url):
return False if CBCPlayerIE.suitable(url) else super(CBCIE, cls).suitable(url)
def _extract_player_init(self, player_init, display_id):
player_info = self._parse_json(player_init, display_id, js_to_json)
media_id = player_info.get('mediaId')
if not media_id:
clip_id = player_info['clipId']
feed = self._download_json(
'http://tpfeed.cbc.ca/f/ExhSPC/vms_5akSXx4Ng_Zn?byCustomValue={:mpsReleases}{%s}' % clip_id,
clip_id, fatal=False)
if feed:
media_id = try_get(feed, lambda x: x['entries'][0]['guid'], compat_str)
if not media_id:
media_id = self._download_json(
'http://feed.theplatform.com/f/h9dtGB/punlNGjMlc1F?fields=id&byContent=byReleases%3DbyId%253D' + clip_id,
clip_id)['entries'][0]['id'].split('/')[-1]
return self.url_result('cbcplayer:%s' % media_id, 'CBCPlayer', media_id)
def _real_extract(self, url):
display_id = self._match_id(url)
webpage = self._download_webpage(url, display_id)
title = (self._og_search_title(webpage, default=None)
or self._html_search_meta('twitter:title', webpage, 'title', default=None)
or self._html_extract_title(webpage))
entries = [
self._extract_player_init(player_init, display_id)
for player_init in re.findall(r'CBC\.APP\.Caffeine\.initInstance\(({.+?})\);', webpage)]
media_ids = []
for media_id_re in (
r'<iframe[^>]+src="[^"]+?mediaId=(\d+)"',
r'<div[^>]+\bid=["\']player-(\d+)',
r'guid["\']\s*:\s*["\'](\d+)'):
media_ids.extend(re.findall(media_id_re, webpage))
entries.extend([
self.url_result('cbcplayer:%s' % media_id, 'CBCPlayer', media_id)
for media_id in orderedSet(media_ids)])
return self.playlist_result(
entries, display_id, strip_or_none(title),
self._og_search_description(webpage))
class CBCPlayerIE(InfoExtractor):
IE_NAME = 'cbc.ca:player'
_VALID_URL = r'(?:cbcplayer:|https?://(?:www\.)?cbc\.ca/(?:player/play/|i/caffeine/syndicate/\?mediaId=))(?P<id>\d+)'
_TESTS = [{
'url': 'http://www.cbc.ca/player/play/2683190193',
'md5': '64d25f841ddf4ddb28a235338af32e2c',
'info_dict': {
'id': '2683190193',
'ext': 'mp4',
'title': 'Gerry Runs a Sweat Shop',
'description': 'md5:b457e1c01e8ff408d9d801c1c2cd29b0',
'timestamp': 1455071400,
'upload_date': '20160210',
'uploader': 'CBCC-NEW',
},
'skip': 'Geo-restricted to Canada and no longer available',
}, {
# Redirected from http://www.cbc.ca/player/AudioMobile/All%20in%20a%20Weekend%20Montreal/ID/2657632011/
'url': 'http://www.cbc.ca/player/play/2657631896',
'md5': 'e5e708c34ae6fca156aafe17c43e8b75',
'info_dict': {
'id': '2657631896',
'ext': 'mp3',
'title': 'CBC Montreal is organizing its first ever community hackathon!',
'description': 'The modern technology we tend to depend on so heavily, is never without it\'s share of hiccups and headaches. Next weekend - CBC Montreal will be getting members of the public for its first Hackathon.',
'timestamp': 1425704400,
'upload_date': '20150307',
'uploader': 'CBCC-NEW',
'thumbnail': 'http://thumbnails.cbc.ca/maven_legacy/thumbnails/sonali-karnick-220.jpg',
'chapters': [],
'duration': 494.811,
},
}, {
'url': 'http://www.cbc.ca/player/play/2164402062',
'md5': '33fcd8f6719b9dd60a5e73adcb83b9f6',
'info_dict': {
'id': '2164402062',
'ext': 'mp4',
'title': 'Cancer survivor four times over',
'description': 'Tim Mayer has beaten three different forms of cancer four times in five years.',
'timestamp': 1320410746,
'upload_date': '20111104',
'uploader': 'CBCC-NEW',
'thumbnail': 'https://thumbnails.cbc.ca/maven_legacy/thumbnails/277/67/cancer_852x480_2164412612.jpg',
'chapters': [],
'duration': 186.867,
},
}, {
# Has subtitles
# These broadcasts expire after ~1 month, can find new test URL here:
# https://www.cbc.ca/player/news/TV%20Shows/The%20National/Latest%20Broadcast
'url': 'http://www.cbc.ca/player/play/2249992771553',
'md5': '2f2fb675dd4f0f8a5bb7588d1b13bacd',
'info_dict': {
'id': '2249992771553',
'ext': 'mp4',
'title': 'The National | Womens soccer pay, Florida seawater, Swift quake',
'description': 'md5:adba28011a56cfa47a080ff198dad27a',
'timestamp': 1690596000,
'duration': 2716.333,
'subtitles': {'eng': [{'ext': 'vtt', 'protocol': 'm3u8_native'}]},
'thumbnail': 'https://thumbnails.cbc.ca/maven_legacy/thumbnails/481/326/thumbnail.jpeg',
'uploader': 'CBCC-NEW',
'chapters': 'count:5',
'upload_date': '20230729',
},
}]
def _real_extract(self, url):
video_id = self._match_id(url)
return {
'_type': 'url_transparent',
'ie_key': 'ThePlatform',
'url': smuggle_url(
'http://link.theplatform.com/s/ExhSPC/media/guid/2655402169/%s?mbr=true&formats=MPEG4,FLV,MP3' % video_id, {
'force_smil_url': True
}),
'id': video_id,
'_format_sort_fields': ('res', 'proto') # Prioritize direct http formats over HLS
}
class CBCPlayerPlaylistIE(InfoExtractor):
IE_NAME = 'cbc.ca:player:playlist'
_VALID_URL = r'https?://(?:www\.)?cbc\.ca/(?:player/)(?!play/)(?P<id>[^?#]+)'
_TESTS = [{
'url': 'https://www.cbc.ca/player/news/TV%20Shows/The%20National/Latest%20Broadcast',
'playlist_mincount': 25,
'info_dict': {
'id': 'news/tv shows/the national/latest broadcast',
}
}, {
'url': 'https://www.cbc.ca/player/news/Canada/North',
'playlist_mincount': 25,
'info_dict': {
'id': 'news/canada/north',
}
}]
def _real_extract(self, url):
playlist_id = urllib.parse.unquote(self._match_id(url)).lower()
webpage = self._download_webpage(url, playlist_id)
json_content = self._search_json(
r'window\.__INITIAL_STATE__\s*=', webpage, 'initial state', playlist_id)
def entries():
for video_id in traverse_obj(json_content, (
'video', 'clipsByCategory', lambda k, _: k.lower() == playlist_id, 'items', ..., 'id'
)):
yield self.url_result(f'https://www.cbc.ca/player/play/{video_id}', CBCPlayerIE)
return self.playlist_result(entries(), playlist_id)
class CBCGemIE(InfoExtractor):
IE_NAME = 'gem.cbc.ca'
_VALID_URL = r'https?://gem\.cbc\.ca/(?:media/)?(?P<id>[0-9a-z-]+/s[0-9]+[a-z][0-9]+)'
_TESTS = [{
# This is a normal, public, TV show video
'url': 'https://gem.cbc.ca/media/schitts-creek/s06e01',
'md5': '93dbb31c74a8e45b378cf13bd3f6f11e',
'info_dict': {
'id': 'schitts-creek/s06e01',
'ext': 'mp4',
'title': 'Smoke Signals',
'description': 'md5:929868d20021c924020641769eb3e7f1',
'thumbnail': 'https://images.radio-canada.ca/v1/synps-cbc/episode/perso/cbc_schitts_creek_season_06e01_thumbnail_v01.jpg?im=Resize=(Size)',
'duration': 1314,
'categories': ['comedy'],
'series': 'Schitt\'s Creek',
'season': 'Season 6',
'season_number': 6,
'episode': 'Smoke Signals',
'episode_number': 1,
'episode_id': 'schitts-creek/s06e01',
},
'params': {'format': 'bv'},
'skip': 'Geo-restricted to Canada',
}, {
# This video requires an account in the browser, but works fine in yt-dlp
'url': 'https://gem.cbc.ca/media/schitts-creek/s01e01',
'md5': '297a9600f554f2258aed01514226a697',
'info_dict': {
'id': 'schitts-creek/s01e01',
'ext': 'mp4',
'title': 'The Cup Runneth Over',
'description': 'md5:9bca14ea49ab808097530eb05a29e797',
'thumbnail': 'https://images.radio-canada.ca/v1/synps-cbc/episode/perso/cbc_schitts_creek_season_01e01_thumbnail_v01.jpg?im=Resize=(Size)',
'series': 'Schitt\'s Creek',
'season_number': 1,
'season': 'Season 1',
'episode_number': 1,
'episode': 'The Cup Runneth Over',
'episode_id': 'schitts-creek/s01e01',
'duration': 1309,
'categories': ['comedy'],
},
'params': {'format': 'bv'},
'skip': 'Geo-restricted to Canada',
}, {
'url': 'https://gem.cbc.ca/nadiyas-family-favourites/s01e01',
'only_matching': True,
}]
_GEO_COUNTRIES = ['CA']
_TOKEN_API_KEY = '3f4beddd-2061-49b0-ae80-6f1f2ed65b37'
_NETRC_MACHINE = 'cbcgem'
_claims_token = None
def _new_claims_token(self, email, password):
data = json.dumps({
'email': email,
'password': password,
}).encode()
headers = {'content-type': 'application/json'}
query = {'apikey': self._TOKEN_API_KEY}
resp = self._download_json('https://api.loginradius.com/identity/v2/auth/login',
None, data=data, headers=headers, query=query)
access_token = resp['access_token']
query = {
'access_token': access_token,
'apikey': self._TOKEN_API_KEY,
'jwtapp': 'jwt',
}
resp = self._download_json('https://cloud-api.loginradius.com/sso/jwt/api/token',
None, headers=headers, query=query)
sig = resp['signature']
data = json.dumps({'jwt': sig}).encode()
headers = {'content-type': 'application/json', 'ott-device-type': 'web'}
resp = self._download_json('https://services.radio-canada.ca/ott/cbc-api/v2/token',
None, data=data, headers=headers, expected_status=426)
cbc_access_token = resp['accessToken']
headers = {'content-type': 'application/json', 'ott-device-type': 'web', 'ott-access-token': cbc_access_token}
resp = self._download_json('https://services.radio-canada.ca/ott/cbc-api/v2/profile',
None, headers=headers, expected_status=426)
return resp['claimsToken']
def _get_claims_token_expiry(self):
# Token is a JWT
# JWT is decoded here and 'exp' field is extracted
# It is a Unix timestamp for when the token expires
b64_data = self._claims_token.split('.')[1]
data = base64.urlsafe_b64decode(b64_data + "==")
return json.loads(data)['exp']
def claims_token_expired(self):
exp = self._get_claims_token_expiry()
if exp - time.time() < 10:
# It will expire in less than 10 seconds, or has already expired
return True
return False
def claims_token_valid(self):
return self._claims_token is not None and not self.claims_token_expired()
def _get_claims_token(self, email, password):
if not self.claims_token_valid():
self._claims_token = self._new_claims_token(email, password)
self.cache.store(self._NETRC_MACHINE, 'claims_token', self._claims_token)
return self._claims_token
def _real_initialize(self):
if self.claims_token_valid():
return
self._claims_token = self.cache.load(self._NETRC_MACHINE, 'claims_token')
def _find_secret_formats(self, formats, video_id):
""" Find a valid video url and convert it to the secret variant """
base_format = next((f for f in formats if f.get('vcodec') != 'none'), None)
if not base_format:
return
base_url = re.sub(r'(Manifest\(.*?),filter=[\w-]+(.*?\))', r'\1\2', base_format['url'])
url = re.sub(r'(Manifest\(.*?),format=[\w-]+(.*?\))', r'\1\2', base_url)
secret_xml = self._download_xml(url, video_id, note='Downloading secret XML', fatal=False)
if not secret_xml:
return
for child in secret_xml:
if child.attrib.get('Type') != 'video':
continue
for video_quality in child:
bitrate = int_or_none(video_quality.attrib.get('Bitrate'))
if not bitrate or 'Index' not in video_quality.attrib:
continue
height = int_or_none(video_quality.attrib.get('MaxHeight'))
yield {
**base_format,
'format_id': join_nonempty('sec', height),
# Note: \g<1> is necessary instead of \1 since bitrate is a number
'url': re.sub(r'(QualityLevels\()\d+(\))', fr'\g<1>{bitrate}\2', base_url),
'width': int_or_none(video_quality.attrib.get('MaxWidth')),
'tbr': bitrate / 1000.0,
'height': height,
}
def _real_extract(self, url):
video_id = self._match_id(url)
video_info = self._download_json(
f'https://services.radio-canada.ca/ott/cbc-api/v2/assets/{video_id}',
video_id, expected_status=426)
email, password = self._get_login_info()
if email and password:
claims_token = self._get_claims_token(email, password)
headers = {'x-claims-token': claims_token}
else:
headers = {}
m3u8_info = self._download_json(video_info['playSession']['url'], video_id, headers=headers)
m3u8_url = m3u8_info.get('url')
if m3u8_info.get('errorCode') == 1:
self.raise_geo_restricted(countries=['CA'])
elif m3u8_info.get('errorCode') == 35:
self.raise_login_required(method='password')
elif m3u8_info.get('errorCode') != 0:
raise ExtractorError(f'{self.IE_NAME} said: {m3u8_info.get("errorCode")} - {m3u8_info.get("message")}')
formats = self._extract_m3u8_formats(m3u8_url, video_id, m3u8_id='hls')
self._remove_duplicate_formats(formats)
formats.extend(self._find_secret_formats(formats, video_id))
for format in formats:
if format.get('vcodec') == 'none':
if format.get('ext') is None:
format['ext'] = 'm4a'
if format.get('acodec') is None:
format['acodec'] = 'mp4a.40.2'
# Put described audio at the beginning of the list, so that it
# isn't chosen by default, as most people won't want it.
if 'descriptive' in format['format_id'].lower():
format['preference'] = -2
return {
'id': video_id,
'title': video_info['title'],
'description': video_info.get('description'),
'thumbnail': video_info.get('image'),
'series': video_info.get('series'),
'season_number': video_info.get('season'),
'season': f'Season {video_info.get("season")}',
'episode_number': video_info.get('episode'),
'episode': video_info.get('title'),
'episode_id': video_id,
'duration': video_info.get('duration'),
'categories': [video_info.get('category')],
'formats': formats,
'release_timestamp': video_info.get('airDate'),
'timestamp': video_info.get('availableDate'),
}
class CBCGemPlaylistIE(InfoExtractor):
IE_NAME = 'gem.cbc.ca:playlist'
_VALID_URL = r'https?://gem\.cbc\.ca/(?:media/)?(?P<id>(?P<show>[0-9a-z-]+)/s(?P<season>[0-9]+))/?(?:[?#]|$)'
_TESTS = [{
# TV show playlist, all public videos
'url': 'https://gem.cbc.ca/media/schitts-creek/s06',
'playlist_count': 16,
'info_dict': {
'id': 'schitts-creek/s06',
'title': 'Season 6',
'description': 'md5:6a92104a56cbeb5818cc47884d4326a2',
},
}, {
'url': 'https://gem.cbc.ca/schitts-creek/s06',
'only_matching': True,
}]
_API_BASE = 'https://services.radio-canada.ca/ott/cbc-api/v2/shows/'
def _real_extract(self, url):
match = self._match_valid_url(url)
season_id = match.group('id')
show = match.group('show')
show_info = self._download_json(self._API_BASE + show, season_id, expected_status=426)
season = int(match.group('season'))
season_info = next((s for s in show_info['seasons'] if s.get('season') == season), None)
if season_info is None:
raise ExtractorError(f'Couldn\'t find season {season} of {show}')
episodes = []
for episode in season_info['assets']:
episodes.append({
'_type': 'url_transparent',
'ie_key': 'CBCGem',
'url': 'https://gem.cbc.ca/media/' + episode['id'],
'id': episode['id'],
'title': episode.get('title'),
'description': episode.get('description'),
'thumbnail': episode.get('image'),
'series': episode.get('series'),
'season_number': episode.get('season'),
'season': season_info['title'],
'season_id': season_info.get('id'),
'episode_number': episode.get('episode'),
'episode': episode.get('title'),
'episode_id': episode['id'],
'duration': episode.get('duration'),
'categories': [episode.get('category')],
})
thumbnail = None
tn_uri = season_info.get('image')
# the-national was observed to use a "data:image/png;base64"
# URI for their 'image' value. The image was 1x1, and is
# probably just a placeholder, so it is ignored.
if tn_uri is not None and not tn_uri.startswith('data:'):
thumbnail = tn_uri
return {
'_type': 'playlist',
'entries': episodes,
'id': season_id,
'title': season_info['title'],
'description': season_info.get('description'),
'thumbnail': thumbnail,
'series': show_info.get('title'),
'season_number': season_info.get('season'),
'season': season_info['title'],
}
class CBCGemLiveIE(InfoExtractor):
IE_NAME = 'gem.cbc.ca:live'
_VALID_URL = r'https?://gem\.cbc\.ca/live(?:-event)?/(?P<id>\d+)'
_TESTS = [
{
'url': 'https://gem.cbc.ca/live/920604739687',
'info_dict': {
'title': 'Ottawa',
'description': 'The live TV channel and local programming from Ottawa',
'thumbnail': 'https://thumbnails.cbc.ca/maven_legacy/thumbnails/CBC_OTT_VMS/Live_Channel_Static_Images/Ottawa_2880x1620.jpg',
'is_live': True,
'id': 'AyqZwxRqh8EH',
'ext': 'mp4',
'timestamp': 1492106160,
'upload_date': '20170413',
'uploader': 'CBCC-NEW',
},
'skip': 'Live might have ended',
},
{
'url': 'https://gem.cbc.ca/live/44',
'info_dict': {
'id': '44',
'ext': 'mp4',
'is_live': True,
'title': r're:^Ottawa [0-9\-: ]+',
'description': 'The live TV channel and local programming from Ottawa',
'live_status': 'is_live',
'thumbnail': r're:https://images.gem.cbc.ca/v1/cbc-gem/live/.*'
},
'params': {'skip_download': True},
'skip': 'Live might have ended',
},
{
'url': 'https://gem.cbc.ca/live-event/10835',
'info_dict': {
'id': '10835',
'ext': 'mp4',
'is_live': True,
'title': r're:^The National \| Bidens trip wraps up, Paltrow testifies, Bird flu [0-9\-: ]+',
'description': 'March 24, 2023 | President Bidens Ottawa visit ends with big pledges from both countries. Plus, Gwyneth Paltrow testifies in her ski collision trial.',
'live_status': 'is_live',
'thumbnail': r're:https://images.gem.cbc.ca/v1/cbc-gem/live/.*',
'timestamp': 1679706000,
'upload_date': '20230325',
},
'params': {'skip_download': True},
'skip': 'Live might have ended',
}
]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
video_info = self._search_nextjs_data(webpage, video_id)['props']['pageProps']['data']
# Two types of metadata JSON
if not video_info.get('formattedIdMedia'):
video_info = traverse_obj(
video_info, (('freeTv', ('streams', ...)), 'items', lambda _, v: v['key'] == video_id, {dict}),
get_all=False, default={})
video_stream_id = video_info.get('formattedIdMedia')
if not video_stream_id:
raise ExtractorError('Couldn\'t find video metadata, maybe this livestream is now offline', expected=True)
stream_data = self._download_json(
'https://services.radio-canada.ca/media/validation/v2/', video_id, query={
'appCode': 'mpx',
'connectionType': 'hd',
'deviceType': 'ipad',
'idMedia': video_stream_id,
'multibitrate': 'true',
'output': 'json',
'tech': 'hls',
'manifestType': 'desktop',
})
return {
'id': video_id,
'formats': self._extract_m3u8_formats(stream_data['url'], video_id, 'mp4', live=True),
'is_live': True,
**traverse_obj(video_info, {
'title': 'title',
'description': 'description',
'thumbnail': ('images', 'card', 'url'),
'timestamp': ('airDate', {parse_iso8601}),
})
}