mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 07:12:55 +08:00
291 lines
11 KiB
Python
291 lines
11 KiB
Python
from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_urllib_parse,
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compat_urllib_request,
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compat_str,
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)
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from ..utils import (
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ExtractorError,
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find_xpath_attr,
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fix_xml_ampersands,
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HEADRequest,
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unescapeHTML,
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url_basename,
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RegexNotFoundError,
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)
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def _media_xml_tag(tag):
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return '{http://search.yahoo.com/mrss/}%s' % tag
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class MTVServicesInfoExtractor(InfoExtractor):
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_MOBILE_TEMPLATE = None
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_LANG = None
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@staticmethod
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def _id_from_uri(uri):
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return uri.split(':')[-1]
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# This was originally implemented for ComedyCentral, but it also works here
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@staticmethod
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def _transform_rtmp_url(rtmp_video_url):
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m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
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if not m:
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return rtmp_video_url
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base = 'http://viacommtvstrmfs.fplive.net/'
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return base + m.group('finalid')
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def _get_feed_url(self, uri):
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return self._FEED_URL
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def _get_thumbnail_url(self, uri, itemdoc):
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search_path = '%s/%s' % (_media_xml_tag('group'), _media_xml_tag('thumbnail'))
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thumb_node = itemdoc.find(search_path)
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if thumb_node is None:
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return None
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else:
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return thumb_node.attrib['url']
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def _extract_mobile_video_formats(self, mtvn_id):
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webpage_url = self._MOBILE_TEMPLATE % mtvn_id
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req = compat_urllib_request.Request(webpage_url)
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# Otherwise we get a webpage that would execute some javascript
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req.add_header('User-Agent', 'curl/7')
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webpage = self._download_webpage(req, mtvn_id,
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'Downloading mobile page')
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metrics_url = unescapeHTML(self._search_regex(r'<a href="(http://metrics.+?)"', webpage, 'url'))
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req = HEADRequest(metrics_url)
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response = self._request_webpage(req, mtvn_id, 'Resolving url')
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url = response.geturl()
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# Transform the url to get the best quality:
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url = re.sub(r'.+pxE=mp4', 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=0+_pxK=18639+_pxE=mp4', url, 1)
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return [{'url': url, 'ext': 'mp4'}]
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def _extract_video_formats(self, mdoc, mtvn_id):
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if re.match(r'.*/(error_country_block\.swf|geoblock\.mp4)$', mdoc.find('.//src').text) is not None:
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if mtvn_id is not None and self._MOBILE_TEMPLATE is not None:
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self.to_screen('The normal version is not available from your '
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'country, trying with the mobile version')
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return self._extract_mobile_video_formats(mtvn_id)
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raise ExtractorError('This video is not available from your country.',
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expected=True)
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formats = []
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for rendition in mdoc.findall('.//rendition'):
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try:
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_, _, ext = rendition.attrib['type'].partition('/')
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rtmp_video_url = rendition.find('./src').text
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if rtmp_video_url.endswith('siteunavail.png'):
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continue
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formats.append({
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'ext': ext,
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'url': self._transform_rtmp_url(rtmp_video_url),
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'format_id': rendition.get('bitrate'),
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'width': int(rendition.get('width')),
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'height': int(rendition.get('height')),
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})
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except (KeyError, TypeError):
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raise ExtractorError('Invalid rendition field.')
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self._sort_formats(formats)
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return formats
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def _extract_subtitles(self, mdoc, mtvn_id):
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subtitles = {}
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for transcript in mdoc.findall('.//transcript'):
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if transcript.get('kind') != 'captions':
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continue
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lang = transcript.get('srclang')
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subtitles[lang] = [{
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'url': compat_str(typographic.get('src')),
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'ext': typographic.get('format')
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} for typographic in transcript.findall('./typographic')]
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return subtitles
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def _get_video_info(self, itemdoc):
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uri = itemdoc.find('guid').text
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video_id = self._id_from_uri(uri)
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self.report_extraction(video_id)
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mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url']
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# Remove the templates, like &device={device}
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mediagen_url = re.sub(r'&[^=]*?={.*?}(?=(&|$))', '', mediagen_url)
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if 'acceptMethods' not in mediagen_url:
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mediagen_url += '&acceptMethods=fms'
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mediagen_doc = self._download_xml(mediagen_url, video_id,
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'Downloading video urls')
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item = mediagen_doc.find('./video/item')
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if item is not None and item.get('type') == 'text':
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message = '%s returned error: ' % self.IE_NAME
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if item.get('code') is not None:
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message += '%s - ' % item.get('code')
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message += item.text
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raise ExtractorError(message, expected=True)
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description_node = itemdoc.find('description')
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if description_node is not None:
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description = description_node.text.strip()
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else:
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description = None
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title_el = None
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if title_el is None:
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title_el = find_xpath_attr(
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itemdoc, './/{http://search.yahoo.com/mrss/}category',
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'scheme', 'urn:mtvn:video_title')
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if title_el is None:
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title_el = itemdoc.find('.//{http://search.yahoo.com/mrss/}title')
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if title_el is None:
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title_el = itemdoc.find('.//title')
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if title_el.text is None:
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title_el = None
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title = title_el.text
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if title is None:
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raise ExtractorError('Could not find video title')
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title = title.strip()
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# This a short id that's used in the webpage urls
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mtvn_id = None
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mtvn_id_node = find_xpath_attr(itemdoc, './/{http://search.yahoo.com/mrss/}category',
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'scheme', 'urn:mtvn:id')
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if mtvn_id_node is not None:
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mtvn_id = mtvn_id_node.text
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return {
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'title': title,
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'formats': self._extract_video_formats(mediagen_doc, mtvn_id),
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'subtitles': self._extract_subtitles(mediagen_doc, mtvn_id),
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'id': video_id,
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'thumbnail': self._get_thumbnail_url(uri, itemdoc),
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'description': description,
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}
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def _get_videos_info(self, uri):
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video_id = self._id_from_uri(uri)
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feed_url = self._get_feed_url(uri)
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data = compat_urllib_parse.urlencode({'uri': uri})
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info_url = feed_url + '?'
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if self._LANG:
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info_url += 'lang=%s&' % self._LANG
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info_url += data
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idoc = self._download_xml(
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info_url, video_id,
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'Downloading info', transform_source=fix_xml_ampersands)
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return self.playlist_result(
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[self._get_video_info(item) for item in idoc.findall('.//item')])
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def _real_extract(self, url):
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title = url_basename(url)
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webpage = self._download_webpage(url, title)
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try:
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# the url can be http://media.mtvnservices.com/fb/{mgid}.swf
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# or http://media.mtvnservices.com/{mgid}
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og_url = self._og_search_video_url(webpage)
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mgid = url_basename(og_url)
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if mgid.endswith('.swf'):
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mgid = mgid[:-4]
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except RegexNotFoundError:
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mgid = None
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if mgid is None or ':' not in mgid:
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mgid = self._search_regex(
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[r'data-mgid="(.*?)"', r'swfobject.embedSWF\(".*?(mgid:.*?)"'],
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webpage, 'mgid')
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videos_info = self._get_videos_info(mgid)
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return videos_info
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class MTVServicesEmbeddedIE(MTVServicesInfoExtractor):
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IE_NAME = 'mtvservices:embedded'
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_VALID_URL = r'https?://media\.mtvnservices\.com/embed/(?P<mgid>.+?)(\?|/|$)'
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_TEST = {
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# From http://www.thewrap.com/peter-dinklage-sums-up-game-of-thrones-in-45-seconds-video/
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'url': 'http://media.mtvnservices.com/embed/mgid:uma:video:mtv.com:1043906/cp~vid%3D1043906%26uri%3Dmgid%3Auma%3Avideo%3Amtv.com%3A1043906',
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'md5': 'cb349b21a7897164cede95bd7bf3fbb9',
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'info_dict': {
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'id': '1043906',
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'ext': 'mp4',
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'title': 'Peter Dinklage Sums Up \'Game Of Thrones\' In 45 Seconds',
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'description': '"Sexy sexy sexy, stabby stabby stabby, beautiful language," says Peter Dinklage as he tries summarizing "Game of Thrones" in under a minute.',
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},
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}
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def _get_feed_url(self, uri):
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video_id = self._id_from_uri(uri)
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site_id = uri.replace(video_id, '')
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config_url = ('http://media.mtvnservices.com/pmt/e1/players/{0}/'
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'context4/context5/config.xml'.format(site_id))
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config_doc = self._download_xml(config_url, video_id)
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feed_node = config_doc.find('.//feed')
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feed_url = feed_node.text.strip().split('?')[0]
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return feed_url
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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mgid = mobj.group('mgid')
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return self._get_videos_info(mgid)
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class MTVIE(MTVServicesInfoExtractor):
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_VALID_URL = r'''(?x)^https?://
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(?:(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$|
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m\.mtv\.com/videos/video\.rbml\?.*?id=(?P<mgid>[^&]+))'''
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_FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
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_TESTS = [
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{
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'url': 'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
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'md5': '850f3f143316b1e71fa56a4edfd6e0f8',
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'info_dict': {
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'id': '853555',
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'ext': 'mp4',
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'title': 'Taylor Swift - "Ours (VH1 Storytellers)"',
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'description': 'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
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},
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},
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]
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def _get_thumbnail_url(self, uri, itemdoc):
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return 'http://mtv.mtvnimages.com/uri/' + uri
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('videoid')
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uri = mobj.groupdict().get('mgid')
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if uri is None:
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webpage = self._download_webpage(url, video_id)
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# Some videos come from Vevo.com
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m_vevo = re.search(
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r'(?s)isVevoVideo = true;.*?vevoVideoId = "(.*?)";', webpage)
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if m_vevo:
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vevo_id = m_vevo.group(1)
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self.to_screen('Vevo video detected: %s' % vevo_id)
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return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
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uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, 'uri')
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return self._get_videos_info(uri)
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class MTVIggyIE(MTVServicesInfoExtractor):
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IE_NAME = 'mtviggy.com'
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_VALID_URL = r'https?://www\.mtviggy\.com/videos/.+'
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_TEST = {
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'url': 'http://www.mtviggy.com/videos/arcade-fire-behind-the-scenes-at-the-biggest-music-experiment-yet/',
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'info_dict': {
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'id': '984696',
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'ext': 'mp4',
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'title': 'Arcade Fire: Behind the Scenes at the Biggest Music Experiment Yet',
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}
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}
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_FEED_URL = 'http://all.mtvworldverticals.com/feed-xml/'
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