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yt-dlp/youtube_dl/extractor/zdf.py

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# coding: utf-8
from __future__ import unicode_literals
import functools
import re
from .common import InfoExtractor
from ..utils import (
int_or_none,
unified_strdate,
OnDemandPagedList,
xpath_text,
determine_ext,
qualities,
float_or_none,
ExtractorError,
)
class ZDFIE(InfoExtractor):
_VALID_URL = r'(?:zdf:|zdf:video:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/(.*beitrag/(?:video/)?))(?P<id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
_TESTS = [{
'url': 'http://www.zdf.de/ZDFmediathek/beitrag/video/2037704/ZDFspezial---Ende-des-Machtpokers--?bc=sts;stt',
'info_dict': {
'id': '2037704',
'ext': 'webm',
'title': 'ZDFspezial - Ende des Machtpokers',
'description': 'Union und SPD haben sich auf einen Koalitionsvertrag geeinigt. Aber was bedeutet das für die Bürger? Sehen Sie hierzu das ZDFspezial "Ende des Machtpokers - Große Koalition für Deutschland".',
'duration': 1022,
'uploader': 'spezial',
'uploader_id': '225948',
'upload_date': '20131127',
},
'skip': 'Videos on ZDF.de are depublicised in short order',
}]
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
param_groups = {}
for param_group in smil.findall(self._xpath_ns('./head/paramGroup', namespace)):
group_id = param_group.attrib.get(self._xpath_ns('id', 'http://www.w3.org/XML/1998/namespace'))
params = {}
for param in param_group:
params[param.get('name')] = param.get('value')
param_groups[group_id] = params
formats = []
for video in smil.findall(self._xpath_ns('.//video', namespace)):
src = video.get('src')
if not src:
continue
bitrate = float_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
group_id = video.get('paramGroup')
param_group = param_groups[group_id]
for proto in param_group['protocols'].split(','):
formats.append({
'url': '%s://%s' % (proto, param_group['host']),
'app': param_group['app'],
'play_path': src,
'ext': 'flv',
'format_id': '%s-%d' % (proto, bitrate),
'tbr': bitrate,
})
self._sort_formats(formats)
return formats
def extract_from_xml_url(self, video_id, xml_url):
doc = self._download_xml(
xml_url, video_id,
note='Downloading video info',
errnote='Failed to download video info')
status_code = doc.find('./status/statuscode')
if status_code is not None and status_code.text != 'ok':
code = status_code.text
if code == 'notVisibleAnymore':
message = 'Video %s is not available' % video_id
else:
message = '%s returned error: %s' % (self.IE_NAME, code)
raise ExtractorError(message, expected=True)
title = doc.find('.//information/title').text
description = xpath_text(doc, './/information/detail', 'description')
duration = int_or_none(xpath_text(doc, './/details/lengthSec', 'duration'))
uploader = xpath_text(doc, './/details/originChannelTitle', 'uploader')
uploader_id = xpath_text(doc, './/details/originChannelId', 'uploader id')
upload_date = unified_strdate(xpath_text(doc, './/details/airtime', 'upload date'))
def xml_to_thumbnails(fnode):
thumbnails = []
for node in fnode:
thumbnail_url = node.text
if not thumbnail_url:
continue
thumbnail = {
'url': thumbnail_url,
}
if 'key' in node.attrib:
m = re.match('^([0-9]+)x([0-9]+)$', node.attrib['key'])
if m:
thumbnail['width'] = int(m.group(1))
thumbnail['height'] = int(m.group(2))
thumbnails.append(thumbnail)
return thumbnails
thumbnails = xml_to_thumbnails(doc.findall('.//teaserimages/teaserimage'))
format_nodes = doc.findall('.//formitaeten/formitaet')
quality = qualities(['veryhigh', 'high', 'med', 'low'])
def get_quality(elem):
return quality(xpath_text(elem, 'quality'))
format_nodes.sort(key=get_quality)
format_ids = []
formats = []
for fnode in format_nodes:
video_url = fnode.find('url').text
is_available = 'http://www.metafilegenerator' not in video_url
if not is_available:
continue
format_id = fnode.attrib['basetype']
quality = xpath_text(fnode, './quality', 'quality')
format_m = re.match(r'''(?x)
(?P<vcodec>[^_]+)_(?P<acodec>[^_]+)_(?P<container>[^_]+)_
(?P<proto>[^_]+)_(?P<index>[^_]+)_(?P<indexproto>[^_]+)
''', format_id)
ext = determine_ext(video_url, None) or format_m.group('container')
if ext not in ('smil', 'f4m', 'm3u8'):
format_id = format_id + '-' + quality
if format_id in format_ids:
continue
if ext == 'meta':
continue
elif ext == 'smil':
formats.extend(self._extract_smil_formats(
video_url, video_id, fatal=False))
elif ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(
video_url, video_id, 'mp4', m3u8_id=format_id, fatal=False))
elif ext == 'f4m':
formats.extend(self._extract_f4m_formats(
video_url, video_id, f4m_id=format_id, fatal=False))
else:
proto = format_m.group('proto').lower()
abr = int_or_none(xpath_text(fnode, './audioBitrate', 'abr'), 1000)
vbr = int_or_none(xpath_text(fnode, './videoBitrate', 'vbr'), 1000)
width = int_or_none(xpath_text(fnode, './width', 'width'))
height = int_or_none(xpath_text(fnode, './height', 'height'))
filesize = int_or_none(xpath_text(fnode, './filesize', 'filesize'))
format_note = ''
if not format_note:
format_note = None
formats.append({
'format_id': format_id,
'url': video_url,
'ext': ext,
'acodec': format_m.group('acodec'),
'vcodec': format_m.group('vcodec'),
'abr': abr,
'vbr': vbr,
'width': width,
'height': height,
'filesize': filesize,
'format_note': format_note,
'protocol': proto,
'_available': is_available,
})
format_ids.append(format_id)
self._sort_formats(formats)
return {
'id': video_id,
'title': title,
'description': description,
'duration': duration,
'thumbnails': thumbnails,
'uploader': uploader,
'uploader_id': uploader_id,
'upload_date': upload_date,
'formats': formats,
}
def _real_extract(self, url):
video_id = self._match_id(url)
xml_url = 'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
return self.extract_from_xml_url(video_id, xml_url)
class ZDFChannelIE(InfoExtractor):
_VALID_URL = r'(?:zdf:topic:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/.*kanaluebersicht/(?:[^/]+/)?)(?P<id>[0-9]+)'
_TESTS = [{
'url': 'http://www.zdf.de/ZDFmediathek#/kanaluebersicht/1586442/sendung/Titanic',
'info_dict': {
'id': '1586442',
},
'playlist_count': 3,
}, {
'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': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/_/1798716?bc=nrt;nrm?flash=off',
'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),
}
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,
}
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