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[zdf] Improve (closes #11055, closes #11063)

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Sergey M․ 8 years ago
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      youtube_dl/extractor/zdf.py

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youtube_dl/extractor/zdf.py
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@ -1,306 +1,312 @@
# coding: utf-8
from __future__ import unicode_literals
import functools
import re
from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
OnDemandPagedList,
determine_ext,
parse_iso8601,
ExtractorError
int_or_none,
NO_DEFAULT,
orderedSet,
parse_codecs,
qualities,
try_get,
unified_timestamp,
update_url_query,
urljoin,
)
from ..compat import compat_str
class ZDFIE(InfoExtractor):
_VALID_URL = r'https?://www\.zdf\.de/.*?/(?P<id>[^/?]*?)\.html'
class ZDFBaseIE(InfoExtractor):
def _call_api(self, url, player, referrer, video_id):
return self._download_json(
url, video_id, 'Downloading JSON content',
headers={
'Referer': referrer,
'Api-Auth': 'Bearer %s' % player['apiToken'],
})
def _extract_player(self, webpage, video_id, fatal=True):
return self._parse_json(
self._search_regex(
r'(?s)data-zdfplayer-jsb=(["\'])(?P<json>{.+?})\1', webpage,
'player JSON', default='{}' if not fatal else NO_DEFAULT,
group='json'),
video_id)
class ZDFIE(ZDFBaseIE):
_VALID_URL = r'https?://www\.zdf\.de/(?:[^/]+/)*(?P<id>[^/?]+)\.html'
_QUALITIES = ('auto', 'low', 'med', 'high', 'veryhigh')
_TESTS = [{
'url': 'https://www.zdf.de/service-und-hilfe/die-neue-zdf-mediathek/zdfmediathek-trailer-100.html',
'info_dict': {
'id': 'zdfmediathek-trailer-100',
'ext': 'mp4',
'title': 'Trailer ZDFmediathek Supermarkt',
'title': 'Die neue ZDFmediathek',
'description': 'md5:3003d36487fb9a5ea2d1ff60beb55e8d',
'duration': 30,
'timestamp': 1477627200,
'upload_date': '20161028',
}
}, {
'url': 'https://www.zdf.de/filme/taunuskrimi/die-lebenden-und-die-toten-1---ein-taunuskrimi-100.html',
'only_matching': True,
}, {
'url': 'https://www.zdf.de/dokumentation/planet-e/planet-e-uebersichtsseite-weitere-dokumentationen-von-planet-e-100.html',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
try:
extr_player = ZDFExtractorPlayer(self, url, video_id)
formats = extr_player._real_extract()
except (ExtractorError, KeyError) as e:
self._downloader.report_warning('%s: %s\nusing fallback method (mobile url)' % (type(e).__name__, compat_str(e)))
extr_mobile = ZDFExtractorMobile(self, url, video_id)
formats = extr_mobile._real_extract()
return formats
class ZDFExtractor:
"""Super class for the 2 extraction methods"""
def __init__(self, parent, url, video_id):
self.parent = parent
self.url = url
self.video_id = video_id
def _real_extract(self):
@staticmethod
def _extract_subtitles(src):
subtitles = {}
for caption in try_get(src, lambda x: x['captions'], list) or []:
subtitle_url = caption.get('uri')
if subtitle_url and isinstance(subtitle_url, compat_str):
lang = caption.get('language', 'deu')
subtitles.setdefault(lang, []).append({
'url': subtitle_url,
})
return subtitles
def _extract_format(self, video_id, formats, format_urls, meta):
format_url = meta.get('url')
if not format_url or not isinstance(format_url, compat_str):
return
if format_url in format_urls:
return
format_urls.add(format_url)
mime_type = meta.get('mimeType')
ext = determine_ext(format_url)
if mime_type == 'application/x-mpegURL' or ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(
format_url, video_id, 'mp4', m3u8_id='hls',
entry_protocol='m3u8_native', fatal=False))
elif mime_type == 'application/f4m+xml' or ext == 'f4m':
formats.extend(self._extract_f4m_formats(
update_url_query(format_url, {'hdcore': '3.7.0'}), video_id, f4m_id='hds', fatal=False))
else:
f = parse_codecs(meta.get('mimeCodec'))
format_id = ['http']
for p in (meta.get('type'), meta.get('quality')):
if p and isinstance(p, compat_str):
format_id.append(p)
f.update({
'url': format_url,
'format_id': '-'.join(format_id),
'format_note': meta.get('quality'),
'language': meta.get('language'),
'quality': qualities(self._QUALITIES)(meta.get('quality')),
'preference': -10,
})
formats.append(f)
def _extract_entry(self, url, content, video_id):
title = content.get('title') or content['teaserHeadline']
t = content['mainVideoContent']['http://zdf.de/rels/target']
ptmd_path = t.get('http://zdf.de/rels/streams/ptmd')
if not ptmd_path:
ptmd_path = t[
'http://zdf.de/rels/streams/ptmd-template'].replace(
'{playerId}', 'portal')
ptmd = self._download_json(urljoin(url, ptmd_path), video_id)
formats = []
for entry in self._fetch_entries():
video_url = self._get_video_url(entry)
if not video_url:
track_uris = set()
for p in ptmd['priorityList']:
formitaeten = p.get('formitaeten')
if not isinstance(formitaeten, list):
continue
format_id = self._get_format_id(entry)
ext = determine_ext(video_url, None)
if ext == 'meta':
continue
if ext == 'm3u8':
formats.extend(self.parent._extract_m3u8_formats(
video_url, self.video_id, 'mp4', m3u8_id=format_id, fatal=False))
elif ext == 'f4m':
formats.extend(self.parent._extract_f4m_formats(
video_url, self.video_id, f4m_id=format_id, fatal=False))
else:
formats.append({
'format_id': format_id,
'url': video_url,
'format_note': self._get_format_note(entry)
})
self.parent._sort_formats(formats)
for f in formitaeten:
f_qualities = f.get('qualities')
if not isinstance(f_qualities, list):
continue
for quality in f_qualities:
tracks = try_get(quality, lambda x: x['audio']['tracks'], list)
if not tracks:
continue
for track in tracks:
self._extract_format(
video_id, formats, track_uris, {
'url': track.get('uri'),
'type': f.get('type'),
'mimeType': f.get('mimeType'),
'quality': quality.get('quality'),
'language': track.get('language'),
})
self._sort_formats(formats)
thumbnails = []
layouts = try_get(
content, lambda x: x['teaserImageRef']['layouts'], dict)
if layouts:
for layout_key, layout_url in layouts.items():
if not isinstance(layout_url, compat_str):
continue
thumbnail = {
'url': layout_url,
'format_id': layout_key,
}
mobj = re.search(r'(?P<width>\d+)x(?P<height>\d+)', layout_key)
if mobj:
thumbnail.update({
'width': int(mobj.group('width')),
'height': int(mobj.group('height')),
})
thumbnails.append(thumbnail)
return {
'id': self.video_id,
'title': self._get_title(),
'id': video_id,
'title': title,
'description': content.get('leadParagraph') or content.get('teasertext'),
'duration': int_or_none(t.get('duration')),
'timestamp': unified_timestamp(content.get('editorialDate')),
'thumbnails': thumbnails,
'subtitles': self._extract_subtitles(ptmd),
'formats': formats,
'subtitles': self._get_subtitles(),
'thumbnail': self._get_thumbnail(),
'description': self._get_description(),
'timestamp': self._get_timestamp()
}
class ZDFExtractorMobile(ZDFExtractor):
"""Simple URL extraction method. Disadvantage: fewer formats, no subtitles"""
def __init__(self, parent, url, video_id):
ZDFExtractor.__init__(self, parent, url, video_id)
def _fetch_entries(self):
meta_data_url = 'https://zdf-cdn.live.cellular.de/mediathekV2/document/' + self.video_id
self.meta_data = self.parent._download_json(meta_data_url, self.video_id, note='Downloading meta data')
return self.meta_data['document']['formitaeten']
def _get_title(self):
return self.meta_data['document']['titel']
def _get_video_url(self, entry):
return entry['url']
def _get_format_id(self, entry):
format_id = entry['type']
if 'quality' in entry:
format_id += '-' + entry['quality']
return format_id
def _get_format_note(self, entry):
return None
def _get_subtitles(self):
return None
def _get_description(self):
return self.meta_data['document'].get('beschreibung')
def _get_timestamp(self):
meta = self.meta_data['meta']
if meta:
return parse_iso8601(meta.get('editorialDate'))
def _extract_regular(self, url, player, video_id):
content = self._call_api(player['content'], player, url, video_id)
return self._extract_entry(player['content'], content, video_id)
def _get_thumbnail(self):
teaser_images = self.meta_data['document'].get('teaserBild')
if teaser_images:
max_res = max(teaser_images, key=int)
return teaser_images[max_res].get('url')
def _extract_mobile(self, video_id):
document = self._download_json(
'https://zdf-cdn.live.cellular.de/mediathekV2/document/%s' % video_id,
video_id)['document']
class ZDFExtractorPlayer(ZDFExtractor):
"""Extraction method that requires downloads of several pages.
title = document['titel']
Follows the requests of the website."""
def __init__(self, parent, url, video_id):
ZDFExtractor.__init__(self, parent, url, video_id)
formats = []
format_urls = set()
for f in document['formitaeten']:
self._extract_format(video_id, formats, format_urls, f)
self._sort_formats(formats)
thumbnails = []
teaser_bild = document.get('teaserBild')
if isinstance(teaser_bild, dict):
for thumbnail_key, thumbnail in teaser_bild.items():
thumbnail_url = try_get(
thumbnail, lambda x: x['url'], compat_str)
if thumbnail_url:
thumbnails.append({
'url': thumbnail_url,
'id': thumbnail_key,
'width': int_or_none(thumbnail.get('width')),
'height': int_or_none(thumbnail.get('height')),
})
def _fetch_entries(self):
webpage = self.parent._download_webpage(self.url, self.video_id)
return {
'id': video_id,
'title': title,
'description': document.get('beschreibung'),
'duration': int_or_none(document.get('length')),
'timestamp': unified_timestamp(try_get(
document, lambda x: x['meta']['editorialDate'], compat_str)),
'thumbnails': thumbnails,
'subtitles': self._extract_subtitles(document),
'formats': formats,
}
jsb = self.parent._search_regex(r"data-zdfplayer-jsb='([^']*)'", webpage, 'zdfplayer jsb data')
jsb_json = self.parent._parse_json(jsb, self.video_id)
def _real_extract(self, url):
video_id = self._match_id(url)
configuration_url = 'https://www.zdf.de' + jsb_json['config']
configuration_json = self.parent._download_json(configuration_url, self.video_id, note='Downloading player configuration')
api_token = configuration_json['apiToken']
webpage = self._download_webpage(url, video_id, fatal=False)
if webpage:
player = self._extract_player(webpage, url, fatal=False)
if player:
return self._extract_regular(url, player, video_id)
player_js = self.parent._download_webpage('https://www.zdf.de/ZDFplayer/latest-v2/skins/zdf/zdf-player.js', self.video_id, fatal=False, note='Downloading player script')
if player_js:
player_id = self.parent._search_regex(r'this\.ptmd_player_id="([^"]*)"', player_js, 'player id', fatal=False)
else:
player_id = None
self.content_json = self.parent._download_json(jsb_json['content'], self.video_id, headers={'Api-Auth': 'Bearer %s' % api_token}, note='Downloading content description')
main_video_content = self.content_json['mainVideoContent']['http://zdf.de/rels/target']
meta_data_url = None
if not player_id:
# could not determine player_id => try alternativ generic URL
meta_data_url = main_video_content.get('http://zdf.de/rels/streams/ptmd')
if meta_data_url:
meta_data_url = 'https://api.zdf.de' + meta_data_url
else:
# no generic URL found => 2nd fallback: hardcoded player_id
player_id = 'ngplayer_2_3'
if not meta_data_url:
meta_data_url_template = main_video_content['http://zdf.de/rels/streams/ptmd-template']
meta_data_url = 'https://api.zdf.de' + meta_data_url_template.replace('{playerId}', player_id)
self.meta_data = self.parent._download_json(meta_data_url, self.video_id, note='Downloading meta data')
return self._extract_mobile(video_id)
formats = []
for p_list_entry in self.meta_data['priorityList']:
for formitaet in p_list_entry['formitaeten']:
for entry in formitaet['qualities']:
yield (formitaet, entry)
def _get_title(self):
return self.content_json['title']
def _get_video_url(self, entry_tuple):
(formitaet, entry) = entry_tuple
tracks = entry['audio'].get('tracks')
if not tracks:
return
if len(tracks) > 1:
self._downloader.report_warning('unexpected input: multiple tracks')
track = tracks[0]
return track['uri']
def _get_format_id(self, entry_tuple):
(formitaet, entry) = entry_tuple
facets = self._get_facets(formitaet)
add = ''
if 'adaptive' in facets:
add += 'a'
if 'restriction_useragent' in facets:
add += 'b'
if 'progressive' in facets:
add += 'p'
type_ = formitaet['type']
format_id = type_ + '-'
if add:
format_id += add + '-'
# named qualities are not very useful for sorting the formats:
# a 'high' m3u8 entry can be better quality than a 'veryhigh' direct mp4 download
format_id += entry['quality']
return format_id
def _get_facets(self, formitaet):
facets = formitaet.get('facets') or []
if formitaet.get('isAdaptive'):
facets.append('adaptive')
return facets
def _get_format_note(self, entry_tuple):
(formitaet, entry) = entry_tuple
return ', '.join(self._get_facets(formitaet))
def _get_subtitles(self):
subtitles = {}
if 'captions' in self.meta_data:
for caption in self.meta_data['captions']:
lang = caption.get('language')
if not lang:
continue
if lang == 'deu':
lang = 'de'
subformat = {'url': caption.get('uri')}
if caption.get('format') == 'webvtt':
subformat['ext'] = 'vtt'
elif caption.get('format') == 'ebu-tt-d-basic-de':
subformat['ext'] = 'ttml'
if not lang in subtitles:
subtitles[lang] = []
subtitles[lang].append(subformat)
return subtitles
def _get_description(self):
return self.content_json.get('teasertext')
def _get_timestamp(self):
return parse_iso8601(self.content_json.get('editorialDate'))
def _get_thumbnail(self):
teaser_images = self.content_json.get('teaserImageRef')
if teaser_images:
teaser_images_layouts = teaser_images.get('layouts')
if teaser_images_layouts:
if 'original' in teaser_images_layouts:
return teaser_images_layouts['original']
teasers = {}
for key in teaser_images_layouts:
width = self.parent._search_regex(r'(\d+)x\d+', key, 'teaser width', fatal=False)
if width:
teasers[int(width)] = teaser_images_layouts[key]
if teasers:
best = max(teasers)
return teasers[best]
class ZDFChannelIE(InfoExtractor):
_WORKING = False
_VALID_URL = r'(?:zdf:topic:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/.*kanaluebersicht/(?:[^/]+/)?)(?P<id>[0-9]+)'
class ZDFChannelIE(ZDFBaseIE):
_VALID_URL = r'https?://www\.zdf\.de/(?:[^/]+/)*(?P<id>[^/?#&]+)'
_TESTS = [{
'url': 'http://www.zdf.de/ZDFmediathek#/kanaluebersicht/1586442/sendung/Titanic',
'url': 'https://www.zdf.de/sport/das-aktuelle-sportstudio',
'info_dict': {
'id': '1586442',
'id': 'das-aktuelle-sportstudio',
'title': 'das aktuelle sportstudio | ZDF',
},
'playlist_count': 3,
'playlist_count': 21,
}, {
'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/aktuellste/332',
'only_matching': True,
}, {
'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/meist-gesehen/332',
'only_matching': True,
'url': 'https://www.zdf.de/dokumentation/planet-e',
'info_dict': {
'id': 'planet-e',
'title': 'planet e.',
},
'playlist_count': 4,
}, {
'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/_/1798716?bc=nrt;nrm?flash=off',
'url': 'https://www.zdf.de/filme/taunuskrimi/',
'only_matching': True,
}]
_PAGE_SIZE = 50
def _fetch_page(self, channel_id, page):
offset = page * self._PAGE_SIZE
xml_url = (
'http://www.zdf.de/ZDFmediathek/xmlservice/web/aktuellste?ak=web&offset=%d&maxLength=%d&id=%s'
% (offset, self._PAGE_SIZE, channel_id))
doc = self._download_xml(
xml_url, channel_id,
note='Downloading channel info',
errnote='Failed to download channel info')
title = doc.find('.//information/title').text
description = doc.find('.//information/detail').text
for asset in doc.findall('.//teasers/teaser'):
a_type = asset.find('./type').text
a_id = asset.find('./details/assetId').text
if a_type not in ('video', 'topic'):
continue
yield {
'_type': 'url',
'playlist_title': title,
'playlist_description': description,
'url': 'zdf:%s:%s' % (a_type, a_id),
}
@classmethod
def suitable(cls, url):
return False if ZDFIE.suitable(url) else super(ZDFChannelIE, cls).suitable(url)
def _real_extract(self, url):
channel_id = self._match_id(url)
entries = OnDemandPagedList(
functools.partial(self._fetch_page, channel_id), self._PAGE_SIZE)
return {
'_type': 'playlist',
'id': channel_id,
'entries': entries,
}
webpage = self._download_webpage(url, channel_id)
entries = [
self.url_result(item_url, ie=ZDFIE.ie_key())
for item_url in orderedSet(re.findall(
r'data-plusbar-url=["\'](http.+?\.html)', webpage))]
return self.playlist_result(
entries, channel_id, self._og_search_title(webpage, fatal=False))
"""
player = self._extract_player(webpage, channel_id)
channel_id = self._search_regex(
r'docId\s*:\s*(["\'])(?P<id>(?!\1).+?)\1', webpage,
'channel id', group='id')
channel = self._call_api(
'https://api.zdf.de/content/documents/%s.json' % channel_id,
player, url, channel_id)
items = []
for module in channel['module']:
for teaser in try_get(module, lambda x: x['teaser'], list) or []:
t = try_get(
teaser, lambda x: x['http://zdf.de/rels/target'], dict)
if not t:
continue
items.extend(try_get(
t,
lambda x: x['resultsWithVideo']['http://zdf.de/rels/search/results'],
list) or [])
items.extend(try_get(
module,
lambda x: x['filterRef']['resultsWithVideo']['http://zdf.de/rels/search/results'],
list) or [])
entries = []
entry_urls = set()
for item in items:
t = try_get(item, lambda x: x['http://zdf.de/rels/target'], dict)
if not t:
continue
sharing_url = t.get('http://zdf.de/rels/sharing-url')
if not sharing_url or not isinstance(sharing_url, compat_str):
continue
if sharing_url in entry_urls:
continue
entry_urls.add(sharing_url)
entries.append(self.url_result(
sharing_url, ie=ZDFIE.ie_key(), video_id=t.get('id')))
return self.playlist_result(entries, channel_id, channel.get('title'))
"""
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