[zdf/common] Use API in ZDF extractor.
This also comes with a lot of extra format fields Fixes #1518
This commit is contained in:
Philipp Hagemeister
parent
1fb2bcbbf7
commit
02dbf93f0e
5 changed files with 112 additions and 70 deletions
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@ -1,75 +1,100 @@
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import operator
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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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determine_ext,
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ExtractorError,
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parse_xml_doc,
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unified_strdate,
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)
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class ZDFIE(InfoExtractor):
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_VALID_URL = r'^http://www\.zdf\.de\/ZDFmediathek(?P<hash>#)?\/(.*beitrag\/video\/)(?P<video_id>[^/\?]+)(?:\?.*)?'
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_MEDIA_STREAM = r'<a href="(?P<video_url>.+(?P<media_type>.streaming).+/zdf/(?P<quality>[^\/]+)/[^"]*)".+class="play".+>'
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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video_id = mobj.group('video_id')
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if mobj.group('hash'):
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url = url.replace(u'#', u'', 1)
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xml_url = u'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
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info_xml = self._download_webpage(
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xml_url, video_id, note=u'Downloading video info')
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doc = parse_xml_doc(info_xml)
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html = self._download_webpage(url, video_id)
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streams = [m.groupdict() for m in re.finditer(self._MEDIA_STREAM, html)]
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if streams is None:
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raise ExtractorError(u'No media url found.')
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title = doc.find('.//information/title').text
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description = doc.find('.//information/detail').text
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uploader_node = doc.find('.//details/originChannelTitle')
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uploader = None if uploader_node is None else uploader_node.text
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duration_str = doc.find('.//details/length').text
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duration_m = re.match(r'''(?x)^
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(?P<hours>[0-9]{2})
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:(?P<minutes>[0-9]{2})
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:(?P<seconds>[0-9]{2})
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(?:\.(?P<ms>[0-9]+)?)
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''', duration_str)
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duration = (
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(
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(int(duration_m.group('hours')) * 60 * 60) +
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(int(duration_m.group('minutes')) * 60) +
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int(duration_m.group('seconds'))
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)
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if duration_m
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else None
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)
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upload_date = unified_strdate(doc.find('.//details/airtime').text)
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# s['media_type'] == 'wstreaming' -> use 'Windows Media Player' and mms url
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# s['media_type'] == 'hstreaming' -> use 'Quicktime' and rtsp url
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# choose first/default media type and highest quality for now
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def stream_pref(s):
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TYPE_ORDER = ['ostreaming', 'hstreaming', 'wstreaming']
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def xml_to_format(fnode):
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video_url = fnode.find('url').text
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is_available = u'http://www.metafilegenerator' not in video_url
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format_id = fnode.attrib['basetype']
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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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PROTO_ORDER = ['http', 'rtmp', 'rtsp']
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try:
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type_pref = TYPE_ORDER.index(s['media_type'])
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proto_pref = -PROTO_ORDER.index(format_m.group('proto'))
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except ValueError:
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type_pref = 999
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proto_pref = 999
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QUALITY_ORDER = ['veryhigh', '300']
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quality = fnode.find('./quality').text
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QUALITY_ORDER = ['veryhigh', '300', 'high', 'med', 'low']
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try:
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quality_pref = QUALITY_ORDER.index(s['quality'])
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quality_pref = -QUALITY_ORDER.index(quality)
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except ValueError:
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quality_pref = 999
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return (type_pref, quality_pref)
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abr = int(fnode.find('./audioBitrate').text) // 1000
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vbr = int(fnode.find('./videoBitrate').text) // 1000
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pref = (is_available, proto_pref, quality_pref, vbr, abr)
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sorted_streams = sorted(streams, key=stream_pref)
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if not sorted_streams:
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raise ExtractorError(u'No stream found.')
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stream = sorted_streams[0]
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return {
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'format_id': format_id,
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'url': video_url,
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'ext': format_m.group('container'),
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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': int(fnode.find('./width').text),
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'height': int(fnode.find('./height').text),
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'quality_name': quality,
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'filesize': int(fnode.find('./filesize').text),
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'format_note': None if is_available else u'(unavailable)',
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'_pref': pref,
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}
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media_link = self._download_webpage(
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stream['video_url'],
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video_id,
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u'Get stream URL')
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#MMS_STREAM = r'href="(?P<video_url>mms://[^"]*)"'
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RTSP_STREAM = r'(?P<video_url>rtsp://[^"]*.mp4)'
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mobj = re.search(self._MEDIA_STREAM, media_link)
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if mobj is None:
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mobj = re.search(RTSP_STREAM, media_link)
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if mobj is None:
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raise ExtractorError(u'Cannot extract mms:// or rtsp:// URL')
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video_url = mobj.group('video_url')
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title = self._html_search_regex(
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r'<h1(?: class="beitragHeadline")?>(.*?)</h1>',
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html, u'title')
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format_nodes = doc.findall('.//formitaeten/formitaet')
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formats = sorted(map(xml_to_format, format_nodes),
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key=operator.itemgetter('_pref'))
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return {
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'id': video_id,
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'url': video_url,
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'title': title,
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'ext': determine_ext(video_url)
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'formats': formats,
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'description': description,
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'uploader': uploader,
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'duration': duration,
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'upload_date': upload_date,
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}
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