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[mtv]: rework MTVIE and add tests (closes #913)

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It uses the same system as ComedyCentralIE to transform ramp urls into http.
master
Jaime Marquínez Ferrándiz 11 years ago
parent 0ab5531363
commit f7e025958a
1 changed files with 92 additions and 55 deletions
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147
youtube_dl/extractor/mtv.py
Unescape Escape View File

@ -1,28 +1,106 @@
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,
compat_urllib_parse,
ExtractorError,
)
class MTVIE(InfoExtractor):
_VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
_WORKING = False
_VALID_URL = r'^https?://(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$'
_FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
_TESTS = [
{
u'url': u'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
u'file': u'853555.mp4',
u'md5': u'850f3f143316b1e71fa56a4edfd6e0f8',
u'info_dict': {
u'title': u'Taylor Swift - "Ours (VH1 Storytellers)"',
u'description': u'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
},
},
{
u'url': u'http://www.mtv.com/videos/taylor-swift/916187/everything-has-changed-ft-ed-sheeran.jhtml',
u'file': u'USCJY1331283.mp4',
u'md5': u'73b4e7fcadd88929292fe52c3ced8caf',
u'info_dict': {
u'title': u'Everything Has Changed',
u'upload_date': u'20130606',
u'uploader': u'Taylor Swift',
},
u'skip': u'VEVO is only available in some countries',
},
]
@staticmethod
def _id_from_uri(uri):
return uri.split(':')[-1]
# This was originally implemented for ComedyCentral, but it also works here
@staticmethod
def _transform_rtmp_url(rtmp_video_url):
m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
if not m:
raise ExtractorError(u'Cannot transform RTMP url')
base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
return base + m.group('finalid')
def _extract_video_url(self, metadataXml):
if '/error_country_block.swf' in metadataXml:
raise ExtractorError(u'This video is not available from your country.', expected=True)
mdoc = xml.etree.ElementTree.fromstring(metadataXml.encode('utf-8'))
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']
rtmp_video_url = rendition.find('./src').text
except KeyError:
raise ExtractorError('Invalid rendition field.')
video_url = self._transform_rtmp_url(rtmp_video_url)
return {'ext': ext, 'url': video_url, 'format': format}
def _get_video_info(self, itemdoc):
uri = itemdoc.find('guid').text
video_id = self._id_from_uri(uri)
self.report_extraction(video_id)
media_namespace = {'media': 'http://search.yahoo.com/mrss/'}
mediagen_url = itemdoc.find('media:group/media:content', media_namespace).attrib['url']
if 'acceptMethods' not in mediagen_url:
mediagen_url += '&acceptMethods=fms'
mediagen_page = self._download_webpage(mediagen_url, video_id,
u'Downloading video urls')
video_info = self._extract_video_url(mediagen_page)
description_node = itemdoc.find('description')
if description_node is not None:
description = description_node.text
else:
description = None
video_info.update({'title': itemdoc.find('title').text,
'id': video_id,
'thumbnail': 'http://mtv.mtvnimages.com/uri/' + uri,
'description': description,
})
return video_info
def _get_videos_info(self, uri):
video_id = self._id_from_uri(uri)
data = compat_urllib_parse.urlencode({'uri': uri})
infoXml = self._download_webpage(self._FEED_URL +'?' + data, video_id,
u'Downloading info')
idoc = xml.etree.ElementTree.fromstring(infoXml.encode('utf-8'))
return [self._get_video_info(item) for item in idoc.findall('.//item')]
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)
@ -35,46 +113,5 @@ class MTVIE(InfoExtractor):
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]
uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, u'uri')
return self._get_videos_info(uri)

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