307 lines
11 KiB
Python
307 lines
11 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import functools
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import re
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from .common import InfoExtractor
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from ..utils import (
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OnDemandPagedList,
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determine_ext,
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parse_iso8601,
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ExtractorError
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)
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from ..compat import compat_str
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class ZDFIE(InfoExtractor):
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_VALID_URL = r'https?://www\.zdf\.de/.*?/(?P<id>[^/?]*?)\.html'
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_TESTS = [{
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'url': 'https://www.zdf.de/service-und-hilfe/die-neue-zdf-mediathek/zdfmediathek-trailer-100.html',
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'info_dict': {
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'id': 'zdfmediathek-trailer-100',
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'ext': 'mp4',
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'title': 'Trailer ZDFmediathek Supermarkt',
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}
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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try:
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extr_player = ZDFExtractorPlayer(self, url, video_id)
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formats = extr_player._real_extract()
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except (ExtractorError, KeyError) as e:
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self._downloader.report_warning('%s: %s\nusing fallback method (mobile url)' % (type(e).__name__, compat_str(e)))
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extr_mobile = ZDFExtractorMobile(self, url, video_id)
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formats = extr_mobile._real_extract()
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return formats
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class ZDFExtractor:
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"""Super class for the 2 extraction methods"""
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def __init__(self, parent, url, video_id):
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self.parent = parent
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self.url = url
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self.video_id = video_id
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def _real_extract(self):
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formats = []
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for entry in self._fetch_entries():
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video_url = self._get_video_url(entry)
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if not video_url:
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continue
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format_id = self._get_format_id(entry)
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ext = determine_ext(video_url, None)
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if ext == 'meta':
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continue
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if ext == 'm3u8':
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formats.extend(self.parent._extract_m3u8_formats(
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video_url, self.video_id, 'mp4', m3u8_id=format_id, fatal=False))
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elif ext == 'f4m':
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formats.extend(self.parent._extract_f4m_formats(
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video_url, self.video_id, f4m_id=format_id, fatal=False))
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else:
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formats.append({
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'format_id': format_id,
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'url': video_url,
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'format_note': self._get_format_note(entry)
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})
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self.parent._sort_formats(formats)
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return {
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'id': self.video_id,
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'title': self._get_title(),
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'formats': formats,
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'subtitles': self._get_subtitles(),
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'thumbnail': self._get_thumbnail(),
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'description': self._get_description(),
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'timestamp': self._get_timestamp()
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}
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class ZDFExtractorMobile(ZDFExtractor):
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"""Simple URL extraction method. Disadvantage: fewer formats, no subtitles"""
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def __init__(self, parent, url, video_id):
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ZDFExtractor.__init__(self, parent, url, video_id)
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def _fetch_entries(self):
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meta_data_url = 'https://zdf-cdn.live.cellular.de/mediathekV2/document/' + self.video_id
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self.meta_data = self.parent._download_json(meta_data_url, self.video_id, note='Downloading meta data')
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return self.meta_data['document']['formitaeten']
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def _get_title(self):
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return self.meta_data['document']['titel']
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def _get_video_url(self, entry):
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return entry['url']
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def _get_format_id(self, entry):
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format_id = entry['type']
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if 'quality' in entry:
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format_id += '-' + entry['quality']
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return format_id
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def _get_format_note(self, entry):
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return None
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def _get_subtitles(self):
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return None
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def _get_description(self):
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return self.meta_data['document'].get('beschreibung')
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def _get_timestamp(self):
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meta = self.meta_data['meta']
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if meta:
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return parse_iso8601(meta.get('editorialDate'))
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def _get_thumbnail(self):
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teaser_images = self.meta_data['document'].get('teaserBild')
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if teaser_images:
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max_res = max(teaser_images, key=int)
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return teaser_images[max_res].get('url')
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class ZDFExtractorPlayer(ZDFExtractor):
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"""Extraction method that requires downloads of several pages.
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Follows the requests of the website."""
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def __init__(self, parent, url, video_id):
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ZDFExtractor.__init__(self, parent, url, video_id)
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def _fetch_entries(self):
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webpage = self.parent._download_webpage(self.url, self.video_id)
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jsb = self.parent._search_regex(r"data-zdfplayer-jsb='([^']*)'", webpage, 'zdfplayer jsb data')
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jsb_json = self.parent._parse_json(jsb, self.video_id)
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configuration_url = 'https://www.zdf.de' + jsb_json['config']
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configuration_json = self.parent._download_json(configuration_url, self.video_id, note='Downloading player configuration')
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api_token = configuration_json['apiToken']
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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')
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if player_js:
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player_id = self.parent._search_regex(r'this\.ptmd_player_id="([^"]*)"', player_js, 'player id', fatal=False)
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else:
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player_id = None
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self.content_json = self.parent._download_json(jsb_json['content'], self.video_id, headers={'Api-Auth': 'Bearer %s' % api_token}, note='Downloading content description')
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main_video_content = self.content_json['mainVideoContent']['http://zdf.de/rels/target']
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meta_data_url = None
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if not player_id:
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# could not determine player_id => try alternativ generic URL
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meta_data_url = main_video_content.get('http://zdf.de/rels/streams/ptmd')
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if meta_data_url:
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meta_data_url = 'https://api.zdf.de' + meta_data_url
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else:
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# no generic URL found => 2nd fallback: hardcoded player_id
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player_id = 'ngplayer_2_3'
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if not meta_data_url:
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meta_data_url_template = main_video_content['http://zdf.de/rels/streams/ptmd-template']
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meta_data_url = 'https://api.zdf.de' + meta_data_url_template.replace('{playerId}', player_id)
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self.meta_data = self.parent._download_json(meta_data_url, self.video_id, note='Downloading meta data')
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formats = []
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for p_list_entry in self.meta_data['priorityList']:
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for formitaet in p_list_entry['formitaeten']:
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for entry in formitaet['qualities']:
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yield (formitaet, entry)
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def _get_title(self):
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return self.content_json['title']
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def _get_video_url(self, entry_tuple):
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(formitaet, entry) = entry_tuple
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tracks = entry['audio'].get('tracks')
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if not tracks:
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return
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if len(tracks) > 1:
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self._downloader.report_warning('unexpected input: multiple tracks')
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track = tracks[0]
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return track['uri']
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def _get_format_id(self, entry_tuple):
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(formitaet, entry) = entry_tuple
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facets = self._get_facets(formitaet)
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add = ''
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if 'adaptive' in facets:
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add += 'a'
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if 'restriction_useragent' in facets:
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add += 'b'
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if 'progressive' in facets:
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add += 'p'
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type_ = formitaet['type']
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format_id = type_ + '-'
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if add:
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format_id += add + '-'
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# named qualities are not very useful for sorting the formats:
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# a 'high' m3u8 entry can be better quality than a 'veryhigh' direct mp4 download
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format_id += entry['quality']
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return format_id
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def _get_facets(self, formitaet):
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facets = formitaet.get('facets') or []
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if formitaet.get('isAdaptive'):
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facets.append('adaptive')
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return facets
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def _get_format_note(self, entry_tuple):
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(formitaet, entry) = entry_tuple
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return ', '.join(self._get_facets(formitaet))
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def _get_subtitles(self):
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subtitles = {}
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if 'captions' in self.meta_data:
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for caption in self.meta_data['captions']:
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lang = caption.get('language')
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if not lang:
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continue
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if lang == 'deu':
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lang = 'de'
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subformat = {'url': caption.get('uri')}
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if caption.get('format') == 'webvtt':
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subformat['ext'] = 'vtt'
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elif caption.get('format') == 'ebu-tt-d-basic-de':
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subformat['ext'] = 'ttml'
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if not lang in subtitles:
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subtitles[lang] = []
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subtitles[lang].append(subformat)
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return subtitles
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def _get_description(self):
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return self.content_json.get('teasertext')
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def _get_timestamp(self):
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return parse_iso8601(self.content_json.get('editorialDate'))
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def _get_thumbnail(self):
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teaser_images = self.content_json.get('teaserImageRef')
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if teaser_images:
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teaser_images_layouts = teaser_images.get('layouts')
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if teaser_images_layouts:
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if 'original' in teaser_images_layouts:
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return teaser_images_layouts['original']
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teasers = {}
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for key in teaser_images_layouts:
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width = self.parent._search_regex(r'(\d+)x\d+', key, 'teaser width', fatal=False)
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if width:
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teasers[int(width)] = teaser_images_layouts[key]
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if teasers:
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best = max(teasers)
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return teasers[best]
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class ZDFChannelIE(InfoExtractor):
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_WORKING = False
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_VALID_URL = r'(?:zdf:topic:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/.*kanaluebersicht/(?:[^/]+/)?)(?P<id>[0-9]+)'
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_TESTS = [{
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'url': 'http://www.zdf.de/ZDFmediathek#/kanaluebersicht/1586442/sendung/Titanic',
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'info_dict': {
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'id': '1586442',
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},
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'playlist_count': 3,
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}, {
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'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/aktuellste/332',
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'only_matching': True,
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}, {
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'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/meist-gesehen/332',
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'only_matching': True,
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}, {
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'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/_/1798716?bc=nrt;nrm?flash=off',
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'only_matching': True,
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}]
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_PAGE_SIZE = 50
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def _fetch_page(self, channel_id, page):
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offset = page * self._PAGE_SIZE
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xml_url = (
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'http://www.zdf.de/ZDFmediathek/xmlservice/web/aktuellste?ak=web&offset=%d&maxLength=%d&id=%s'
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% (offset, self._PAGE_SIZE, channel_id))
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doc = self._download_xml(
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xml_url, channel_id,
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note='Downloading channel info',
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errnote='Failed to download channel info')
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title = doc.find('.//information/title').text
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description = doc.find('.//information/detail').text
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for asset in doc.findall('.//teasers/teaser'):
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a_type = asset.find('./type').text
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a_id = asset.find('./details/assetId').text
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if a_type not in ('video', 'topic'):
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continue
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yield {
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'_type': 'url',
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'playlist_title': title,
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'playlist_description': description,
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'url': 'zdf:%s:%s' % (a_type, a_id),
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}
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def _real_extract(self, url):
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channel_id = self._match_id(url)
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entries = OnDemandPagedList(
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functools.partial(self._fetch_page, channel_id), self._PAGE_SIZE)
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return {
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'_type': 'playlist',
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'id': channel_id,
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'entries': entries,
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}
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