mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-23 15:25:46 +08:00
263 lines
10 KiB
Python
263 lines
10 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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int_or_none,
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unified_strdate,
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OnDemandPagedList,
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xpath_text,
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determine_ext,
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qualities,
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float_or_none,
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ExtractorError,
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)
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class ZDFIE(InfoExtractor):
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_VALID_URL = r'(?:zdf:|zdf:video:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/(.*beitrag/(?:video/)?))(?P<id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
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_TESTS = [{
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'url': 'http://www.zdf.de/ZDFmediathek/beitrag/video/2037704/ZDFspezial---Ende-des-Machtpokers--?bc=sts;stt',
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'info_dict': {
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'id': '2037704',
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'ext': 'webm',
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'title': 'ZDFspezial - Ende des Machtpokers',
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'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".',
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'duration': 1022,
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'uploader': 'spezial',
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'uploader_id': '225948',
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'upload_date': '20131127',
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},
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'skip': 'Videos on ZDF.de are depublicised in short order',
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}]
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def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
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param_groups = {}
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for param_group in smil.findall(self._xpath_ns('./head/paramGroup', namespace)):
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group_id = param_group.attrib.get(self._xpath_ns('id', 'http://www.w3.org/XML/1998/namespace'))
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params = {}
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for param in param_group:
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params[param.get('name')] = param.get('value')
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param_groups[group_id] = params
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formats = []
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for video in smil.findall(self._xpath_ns('.//video', namespace)):
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src = video.get('src')
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if not src:
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continue
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bitrate = float_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
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group_id = video.get('paramGroup')
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param_group = param_groups[group_id]
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for proto in param_group['protocols'].split(','):
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formats.append({
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'url': '%s://%s' % (proto, param_group['host']),
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'app': param_group['app'],
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'play_path': src,
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'ext': 'flv',
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'format_id': '%s-%d' % (proto, bitrate),
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'tbr': bitrate,
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})
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self._sort_formats(formats)
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return formats
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def extract_from_xml_url(self, video_id, xml_url):
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doc = self._download_xml(
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xml_url, video_id,
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note='Downloading video info',
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errnote='Failed to download video info')
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status_code = doc.find('./status/statuscode')
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if status_code is not None and status_code.text != 'ok':
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code = status_code.text
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if code == 'notVisibleAnymore':
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message = 'Video %s is not available' % video_id
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else:
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message = '%s returned error: %s' % (self.IE_NAME, code)
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raise ExtractorError(message, expected=True)
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title = doc.find('.//information/title').text
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description = xpath_text(doc, './/information/detail', 'description')
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duration = int_or_none(xpath_text(doc, './/details/lengthSec', 'duration'))
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uploader = xpath_text(doc, './/details/originChannelTitle', 'uploader')
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uploader_id = xpath_text(doc, './/details/originChannelId', 'uploader id')
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upload_date = unified_strdate(xpath_text(doc, './/details/airtime', 'upload date'))
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subtitles = {}
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captions_url = doc.find('.//caption/url')
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if captions_url is not None:
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subtitles['de'] = [{
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'url': captions_url.text,
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'ext': 'ttml',
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}]
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def xml_to_thumbnails(fnode):
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thumbnails = []
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for node in fnode:
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thumbnail_url = node.text
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if not thumbnail_url:
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continue
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thumbnail = {
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'url': thumbnail_url,
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}
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if 'key' in node.attrib:
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m = re.match('^([0-9]+)x([0-9]+)$', node.attrib['key'])
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if m:
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thumbnail['width'] = int(m.group(1))
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thumbnail['height'] = int(m.group(2))
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thumbnails.append(thumbnail)
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return thumbnails
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thumbnails = xml_to_thumbnails(doc.findall('.//teaserimages/teaserimage'))
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format_nodes = doc.findall('.//formitaeten/formitaet')
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quality = qualities(['veryhigh', 'high', 'med', 'low'])
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def get_quality(elem):
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return quality(xpath_text(elem, 'quality'))
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format_nodes.sort(key=get_quality)
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format_ids = []
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formats = []
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for fnode in format_nodes:
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video_url = fnode.find('url').text
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is_available = 'http://www.metafilegenerator' not in video_url
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if not is_available:
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continue
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format_id = fnode.attrib['basetype']
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quality = xpath_text(fnode, './quality', 'quality')
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format_m = re.match(r'''(?x)
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(?P<vcodec>[^_]+)_(?P<acodec>[^_]+)_(?P<container>[^_]+)_
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(?P<proto>[^_]+)_(?P<index>[^_]+)_(?P<indexproto>[^_]+)
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''', format_id)
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ext = determine_ext(video_url, None) or format_m.group('container')
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if ext not in ('smil', 'f4m', 'm3u8'):
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format_id = format_id + '-' + quality
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if format_id in format_ids:
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continue
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if ext == 'meta':
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continue
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elif ext == 'smil':
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formats.extend(self._extract_smil_formats(
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video_url, video_id, fatal=False))
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elif ext == 'm3u8':
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# the certificates are misconfigured (see
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# https://github.com/rg3/youtube-dl/issues/8665)
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if video_url.startswith('https://'):
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continue
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formats.extend(self._extract_m3u8_formats(
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video_url, video_id, 'mp4', m3u8_id=format_id, fatal=False))
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elif ext == 'f4m':
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formats.extend(self._extract_f4m_formats(
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video_url, video_id, f4m_id=format_id, fatal=False))
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else:
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proto = format_m.group('proto').lower()
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abr = int_or_none(xpath_text(fnode, './audioBitrate', 'abr'), 1000)
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vbr = int_or_none(xpath_text(fnode, './videoBitrate', 'vbr'), 1000)
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width = int_or_none(xpath_text(fnode, './width', 'width'))
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height = int_or_none(xpath_text(fnode, './height', 'height'))
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filesize = int_or_none(xpath_text(fnode, './filesize', 'filesize'))
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format_note = ''
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if not format_note:
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format_note = None
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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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'ext': ext,
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'acodec': format_m.group('acodec'),
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'vcodec': format_m.group('vcodec'),
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'abr': abr,
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'vbr': vbr,
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'width': width,
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'height': height,
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'filesize': filesize,
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'format_note': format_note,
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'protocol': proto,
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'_available': is_available,
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})
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format_ids.append(format_id)
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self._sort_formats(formats)
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return {
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'id': video_id,
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'title': title,
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'description': description,
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'duration': duration,
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'thumbnails': thumbnails,
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'uploader': uploader,
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'uploader_id': uploader_id,
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'upload_date': upload_date,
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'formats': formats,
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'subtitles': subtitles,
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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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xml_url = 'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
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return self.extract_from_xml_url(video_id, xml_url)
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class ZDFChannelIE(InfoExtractor):
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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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