master
Philipp Hagemeister 2012-01-07 01:30:30 +01:00
parent 47a53c9e46
commit dcb3c22e0b
1 changed files with 95 additions and 0 deletions

View File

@ -3884,6 +3884,100 @@ class StanfordOpenClassroomIE(InfoExtractor):
assert entry['type'] == 'reference'
self.extract(entry['url'])
class MTVIE(InfoExtractor):
"""Information extractor for MTV.com"""
_VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
IE_NAME = u'mtv'
def report_webpage(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
def report_extraction(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
return
if not mobj.group('proto'):
url = 'http://' + url
video_id = mobj.group('videoid')
self.report_webpage(video_id)
request = urllib2.Request(url)
try:
webpage = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
return
mobj = re.search(r'<meta name="mtv_vt" content="([^"]+)"/>', webpage)
if mobj is None:
self._downloader.trouble(u'ERROR: unable to extract song name')
return
song_name = _unescapeHTML(mobj.group(1).decode('iso-8859-1'))
mobj = re.search(r'<meta name="mtv_an" content="([^"]+)"/>', webpage)
if mobj is None:
self._downloader.trouble(u'ERROR: unable to extract performer')
return
performer = _unescapeHTML(mobj.group(1).decode('iso-8859-1'))
video_title = performer + ' - ' + song_name
mobj = re.search(r'<meta name="mtvn_uri" content="([^"]+)"/>', webpage)
if mobj is None:
self._downloader.trouble(u'ERROR: unable to mtvn_uri')
return
mtvn_uri = mobj.group(1)
mobj = re.search(r'MTVN.Player.defaultPlaylistId = ([0-9]+);', webpage)
if mobj is None:
self._downloader.trouble(u'ERROR: unable to extract content id')
return
content_id = mobj.group(1)
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 = urllib2.Request(videogen_url)
try:
metadataXml = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download video metadata: %s' % str(err))
return
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:
self._downloader.trouble('Invalid rendition field.')
return
self._downloader.increment_downloads()
info = {
'id': video_id,
'url': video_url,
'uploader': performer,
'title': video_title,
'stitle': _simplify_title(video_title),
'ext': ext,
'format': format,
}
try:
self._downloader.process_info(info)
except UnavailableVideoError, err:
self._downloader.trouble(u'\nERROR: unable to download ' + video_id)
class PostProcessor(object):
"""Post Processor class.
@ -4336,6 +4430,7 @@ def gen_extractors():
InfoQIE(),
MixcloudIE(),
StanfordOpenClassroomIE(),
MTVIE(),
GenericIE()
]