+# coding: utf-8
+
+import re
+import xml.etree.ElementTree
+
+from .common import InfoExtractor
+from ..utils import (
+ determine_ext,
+ unified_strdate,
+)
+
+
+class DreiSatIE(InfoExtractor):
+ IE_NAME = '3sat'
+ _VALID_URL = r'(?:http://)?(?:www\.)?3sat.de/mediathek/index.php\?(?:(?:mode|display)=[^&]+&)*obj=(?P<id>[0-9]+)$'
+ _TEST = {
+ u"url": u"http://www.3sat.de/mediathek/index.php?obj=36983",
+ u'file': u'36983.webm',
+ u'md5': u'57c97d0469d71cf874f6815aa2b7c944',
+ u'info_dict': {
+ u"title": u"Kaffeeland Schweiz",
+ u"description": u"Über 80 Kaffeeröstereien liefern in der Schweiz das Getränk, in das das Land so vernarrt ist: Mehr als 1000 Tassen trinkt ein Schweizer pro Jahr. SCHWEIZWEIT nimmt die Kaffeekultur unter die...",
+ u"uploader": u"3sat",
+ u"upload_date": u"20130622"
+ }
+ }
+
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ video_id = mobj.group('id')
+ details_url = 'http://www.3sat.de/mediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
+ details_xml = self._download_webpage(details_url, video_id, note=u'Downloading video details')
+ details_doc = xml.etree.ElementTree.fromstring(details_xml.encode('utf-8'))
+
+ thumbnail_els = details_doc.findall('.//teaserimage')
+ thumbnails = [{
+ 'width': te.attrib['key'].partition('x')[0],
+ 'height': te.attrib['key'].partition('x')[2],
+ 'url': te.text,
+ } for te in thumbnail_els]
+
+ information_el = details_doc.find('.//information')
+ video_title = information_el.find('./title').text
+ video_description = information_el.find('./detail').text
+
+ details_el = details_doc.find('.//details')
+ video_uploader = details_el.find('./channel').text
+ upload_date = unified_strdate(details_el.find('./airtime').text)
+
+ format_els = details_doc.findall('.//formitaet')
+ formats = [{
+ 'format_id': fe.attrib['basetype'],
+ 'width': int(fe.find('./width').text),
+ 'height': int(fe.find('./height').text),
+ 'url': fe.find('./url').text,
+ 'filesize': int(fe.find('./filesize').text),
+ 'video_bitrate': int(fe.find('./videoBitrate').text),
+ '3sat_qualityname': fe.find('./quality').text,
+ } for fe in format_els
+ if not fe.find('./url').text.startswith('http://www.metafilegenerator.de/')]
+
+ def _sortkey(format):
+ qidx = ['low', 'med', 'high', 'veryhigh'].index(format['3sat_qualityname'])
+ prefer_http = 1 if 'rtmp' in format['url'] else 0
+ return (qidx, prefer_http, format['video_bitrate'])
+ formats.sort(key=_sortkey)
+
+ info = {
+ 'id': video_id,
+ 'title': video_title,
+ 'formats': formats,
+ 'description': video_description,
+ 'thumbnails': thumbnails,
+ 'thumbnail': thumbnails[-1]['url'],
+ 'uploader': video_uploader,
+ 'upload_date': upload_date,
+ }
+
+ # TODO: Remove when #980 has been merged
+ info['url'] = formats[-1]['url']
+ info['ext'] = determine_ext(formats[-1]['url'])
+
+ return self.video_result(info)
\ No newline at end of file