ytdl/youtube_dl/extractor/mtv.py
2013-06-24 13:54:19 +02:00

81 lines
2.9 KiB
Python

import re
import socket
import xml.etree.ElementTree
from .common import InfoExtractor
from ..utils import (
compat_http_client,
compat_str,
compat_urllib_error,
compat_urllib_request,
ExtractorError,
)
class MTVIE(InfoExtractor):
_VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
_WORKING = False
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
if not mobj.group('proto'):
url = 'http://' + url
video_id = mobj.group('videoid')
webpage = self._download_webpage(url, video_id)
# Some videos come from Vevo.com
m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";',
webpage, re.DOTALL)
if m_vevo:
vevo_id = m_vevo.group(1);
self.to_screen(u'Vevo video detected: %s' % vevo_id)
return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
#song_name = self._html_search_regex(r'<meta name="mtv_vt" content="([^"]+)"/>',
# webpage, u'song name', fatal=False)
video_title = self._html_search_regex(r'<meta name="mtv_an" content="([^"]+)"/>',
webpage, u'title')
mtvn_uri = self._html_search_regex(r'<meta name="mtvn_uri" content="([^"]+)"/>',
webpage, u'mtvn_uri', fatal=False)
content_id = self._search_regex(r'MTVN.Player.defaultPlaylistId = ([0-9]+);',
webpage, u'content id', fatal=False)
videogen_url = 'http://www.mtv.com/player/includes/mediaGen.jhtml?uri=' + mtvn_uri + '&id=' + content_id + '&vid=' + video_id + '&ref=www.mtvn.com&viewUri=' + mtvn_uri
self.report_extraction(video_id)
request = compat_urllib_request.Request(videogen_url)
try:
metadataXml = compat_urllib_request.urlopen(request).read()
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
raise ExtractorError(u'Unable to download video metadata: %s' % compat_str(err))
mdoc = xml.etree.ElementTree.fromstring(metadataXml)
renditions = mdoc.findall('.//rendition')
# For now, always pick the highest quality.
rendition = renditions[-1]
try:
_,_,ext = rendition.attrib['type'].partition('/')
format = ext + '-' + rendition.attrib['width'] + 'x' + rendition.attrib['height'] + '_' + rendition.attrib['bitrate']
video_url = rendition.find('./src').text
except KeyError:
raise ExtractorError('Invalid rendition field.')
info = {
'id': video_id,
'url': video_url,
'upload_date': None,
'title': video_title,
'ext': ext,
'format': format,
}
return [info]