From e638e83662e5baa414b8d80145e46c1912f7998d Mon Sep 17 00:00:00 2001 From: Tithen-Firion Date: Fri, 5 Dec 2014 19:46:49 +0100 Subject: [PATCH] [howstuffworks] Update extractor --- youtube_dl/extractor/howstuffworks.py | 77 ++++++++++++++++++--------- 1 file changed, 51 insertions(+), 26 deletions(-) diff --git a/youtube_dl/extractor/howstuffworks.py b/youtube_dl/extractor/howstuffworks.py index c46e8b911..9478e9e67 100644 --- a/youtube_dl/extractor/howstuffworks.py +++ b/youtube_dl/extractor/howstuffworks.py @@ -1,19 +1,20 @@ from __future__ import unicode_literals from .common import InfoExtractor +from ..utils import find_xpath_attr class HowStuffWorksIE(InfoExtractor): _VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*\d+-(?P.+?)-video\.htm' _TESTS = [ { - 'url': 'http://adventure.howstuffworks.com/39521-deadliest-catch-nautical-collision-video.htm', + 'url': 'http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm', 'info_dict': { - 'id': '553475', - 'ext': 'mp4', - 'title': 'Deadliest Catch: Nautical Collision', - 'description': 'Check out this clip to get an exclusive look at the Deadliest Catch crew back in action.', - 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/39521.jpg', + 'id': '450221', + 'ext': 'flv', + 'title': 'Cool Jobs - Iditarod Musher', + 'description': 'Cold sleds, freezing temps and warm dog breath... an Iditarod musher\'s dream. Kasey-Dee Gardner jumps on a sled to find out what the big deal is.', + 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/5266.jpg', }, }, { @@ -27,49 +28,73 @@ class HowStuffWorksIE(InfoExtractor): }, }, { - 'url': 'http://entertainment.howstuffworks.com/arts/34476-time-warp-fire-breathing-disaster-video.htm', + 'url': 'http://entertainment.howstuffworks.com/arts/2706-sword-swallowing-1-by-dan-meyer-video.htm', 'info_dict': { - 'id': '487036', - 'ext': 'mp4', - 'title': 'Time Warp: Fire-Breathing Disaster', - 'description': 'Fire-breathers are safe from flames when they angle their heads up as they blow -- see what would happen if they looked down instead. Check out this clip from Discovery\'s "Time Warp" series to learn more.', - 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/34476.jpg', + 'id': '440011', + 'ext': 'flv', + 'title': 'Sword Swallowing #1 by Dan Meyer', + 'description': 'Video footage (1 of 3) used by permission of the owner Dan Meyer through Sword Swallowers Association International ', + 'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/118306353233.jpg', }, }, ] - def _extract_clip_info(self, key, clip_info, name=None, **kargs): - if name is None: - name = key - return self._html_search_regex( - r"\s*%s\s*: '?([^'\n]*[^'\n,])" % key, clip_info, name, **kargs) - def _real_extract(self, url): display_id = self._match_id(url) webpage = self._download_webpage(url, display_id) clip_info = self._search_regex('(?s)var clip = {(.*?)};', webpage, 'clip info') - video_id = self._extract_clip_info('content_id', clip_info, 'video id') + + def extract_clip_info(key, clip_info, name=None, **kargs): + if name is None: + name = key + return self._html_search_regex( + r"\s*%s\s*: '?([^'\n]*[^'\n,])" % key, clip_info, name, **kargs) + + video_id = extract_clip_info('content_id', clip_info, 'video id') formats = [] - m3u8_url = self._extract_clip_info('m3u8', clip_info, 'm3u8 url', default=None) + m3u8_url = extract_clip_info('m3u8', clip_info, 'm3u8 url', default=None) if m3u8_url is not None: formats += self._extract_m3u8_formats(m3u8_url , video_id, 'mp4') mp4 = self._parse_json( - self._extract_clip_info( + extract_clip_info( 'mp4', clip_info, 'formats').replace('},]','}]'), video_id) for video in mp4: formats.append({ 'url': video['src'], 'format_id': video['bitrate'], - 'tbr': int(video['bitrate'].rstrip('k')), + 'vbr': int(video['bitrate'].rstrip('k')), }) + + if not formats: + smil = self._download_xml( + 'http://services.media.howstuffworks.com/videos/%s/smil-service.smil' % video_id, + video_id, 'Downloading video SMIL') + + http_base = find_xpath_attr( + smil, + './{0}head/{0}meta'.format('{http://www.w3.org/2001/SMIL20/Language}'), + 'name', + 'httpBase').get('content') + + URL_SUFFIX = '?v=2.11.3&fp=LNX 11,2,202,356&r=A&g=A' + + for video in smil.findall( + './{0}body/{0}switch/{0}video'.format('{http://www.w3.org/2001/SMIL20/Language}')): + vbr = int(video.attrib['system-bitrate']) / 1000 + formats.append({ + 'url': '%s/%s%s' % (http_base, video.attrib['src'], URL_SUFFIX), + 'format_id': '%dk' % vbr, + 'vbr': vbr, + }) + self._sort_formats(formats) return { 'id': video_id, 'display_id': display_id, - 'title': self._extract_clip_info('clip_title', clip_info, 'title'), - 'description': self._extract_clip_info('caption', clip_info, 'description', fatal=False), - 'thumbnail': self._extract_clip_info('video_still_url', clip_info, 'thumbnail'), - 'duration': self._extract_clip_info('duration', clip_info), + 'title': extract_clip_info('clip_title', clip_info, 'title'), + 'description': extract_clip_info('caption', clip_info, 'description', fatal=False), + 'thumbnail': extract_clip_info('video_still_url', clip_info, 'thumbnail'), + 'duration': extract_clip_info('duration', clip_info), 'formats': formats, }