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115 lines
4.6 KiB
115 lines
4.6 KiB
from __future__ import unicode_literals |
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from .common import InfoExtractor |
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from ..utils import ( |
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find_xpath_attr, |
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int_or_none, |
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js_to_json, |
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unescapeHTML, |
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determine_ext, |
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) |
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class HowStuffWorksIE(InfoExtractor): |
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_VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*(?:\d+-)?(?P<id>.+?)-video\.htm' |
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_TESTS = [ |
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{ |
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'url': 'http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm', |
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'info_dict': { |
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'id': '450221', |
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'ext': 'flv', |
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'title': 'Cool Jobs - Iditarod Musher', |
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'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.', |
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'display_id': 'cool-jobs-iditarod-musher', |
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'thumbnail': 're:^https?://.*\.jpg$', |
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'duration': 161, |
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}, |
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'skip': 'Video broken', |
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}, |
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{ |
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'url': 'http://adventure.howstuffworks.com/7199-survival-zone-food-and-water-in-the-savanna-video.htm', |
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'info_dict': { |
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'id': '453464', |
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'ext': 'mp4', |
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'title': 'Survival Zone: Food and Water In the Savanna', |
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'description': 'Learn how to find both food and water while trekking in the African savannah. In this video from the Discovery Channel.', |
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'display_id': 'survival-zone-food-and-water-in-the-savanna', |
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'thumbnail': 're:^https?://.*\.jpg$', |
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}, |
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}, |
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{ |
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'url': 'http://entertainment.howstuffworks.com/arts/2706-sword-swallowing-1-by-dan-meyer-video.htm', |
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'info_dict': { |
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'id': '440011', |
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'ext': 'mp4', |
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'title': 'Sword Swallowing #1 by Dan Meyer', |
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'description': 'Video footage (1 of 3) used by permission of the owner Dan Meyer through Sword Swallowers Association International <www.swordswallow.org>', |
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'display_id': 'sword-swallowing-1-by-dan-meyer', |
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'thumbnail': 're:^https?://.*\.jpg$', |
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}, |
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}, |
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{ |
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'url': 'http://shows.howstuffworks.com/stuff-to-blow-your-mind/optical-illusions-video.htm', |
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'only_matching': True, |
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} |
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] |
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def _real_extract(self, url): |
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display_id = self._match_id(url) |
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webpage = self._download_webpage(url, display_id) |
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clip_js = self._search_regex( |
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r'(?s)var clip = ({.*?});', webpage, 'clip info') |
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clip_info = self._parse_json( |
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clip_js, display_id, transform_source=js_to_json) |
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video_id = clip_info['content_id'] |
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formats = [] |
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m3u8_url = clip_info.get('m3u8') |
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if m3u8_url and determine_ext(m3u8_url) == 'm3u8': |
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formats.extend(self._extract_m3u8_formats(m3u8_url, video_id, 'mp4', format_id='hls', fatal=True)) |
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flv_url = clip_info.get('flv_url') |
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if flv_url: |
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formats.append({ |
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'url': flv_url, |
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'format_id': 'flv', |
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}) |
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for video in clip_info.get('mp4', []): |
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formats.append({ |
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'url': video['src'], |
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'format_id': 'mp4-%s' % video['bitrate'], |
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'vbr': int_or_none(video['bitrate'].rstrip('k')), |
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}) |
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if not formats: |
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smil = self._download_xml( |
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'http://services.media.howstuffworks.com/videos/%s/smil-service.smil' % video_id, |
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video_id, 'Downloading video SMIL') |
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http_base = find_xpath_attr( |
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smil, |
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'./{0}head/{0}meta'.format('{http://www.w3.org/2001/SMIL20/Language}'), |
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'name', |
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'httpBase').get('content') |
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URL_SUFFIX = '?v=2.11.3&fp=LNX 11,2,202,356&r=A&g=A' |
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for video in smil.findall( |
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'./{0}body/{0}switch/{0}video'.format('{http://www.w3.org/2001/SMIL20/Language}')): |
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vbr = int_or_none(video.attrib['system-bitrate'], scale=1000) |
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formats.append({ |
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'url': '%s/%s%s' % (http_base, video.attrib['src'], URL_SUFFIX), |
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'format_id': '%dk' % vbr, |
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'vbr': vbr, |
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}) |
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self._sort_formats(formats) |
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return { |
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'id': '%s' % video_id, |
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'display_id': display_id, |
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'title': unescapeHTML(clip_info['clip_title']), |
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'description': unescapeHTML(clip_info.get('caption')), |
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'thumbnail': clip_info.get('video_still_url'), |
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'duration': int_or_none(clip_info.get('duration')), |
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'formats': formats, |
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}
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