mirror of
				https://gitlab.com/ytdl-org/youtube-dl.git
				synced 2025-11-03 07:57:08 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			116 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import unicode_literals
 | 
						|
 | 
						|
from .common import InfoExtractor
 | 
						|
from ..utils import (
 | 
						|
    find_xpath_attr,
 | 
						|
    int_or_none,
 | 
						|
    js_to_json,
 | 
						|
    unescapeHTML,
 | 
						|
    determine_ext,
 | 
						|
)
 | 
						|
 | 
						|
 | 
						|
class HowStuffWorksIE(InfoExtractor):
 | 
						|
    _VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*(?:\d+-)?(?P<id>.+?)-video\.htm'
 | 
						|
    _TESTS = [
 | 
						|
        {
 | 
						|
            'url': 'http://adventure.howstuffworks.com/5266-cool-jobs-iditarod-musher-video.htm',
 | 
						|
            'info_dict': {
 | 
						|
                '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.',
 | 
						|
                'display_id': 'cool-jobs-iditarod-musher',
 | 
						|
                'thumbnail': 're:^https?://.*\.jpg$',
 | 
						|
                'duration': 161,
 | 
						|
            },
 | 
						|
            'skip': 'Video broken',
 | 
						|
        },
 | 
						|
        {
 | 
						|
            'url': 'http://adventure.howstuffworks.com/7199-survival-zone-food-and-water-in-the-savanna-video.htm',
 | 
						|
            'info_dict': {
 | 
						|
                'id': '453464',
 | 
						|
                'ext': 'mp4',
 | 
						|
                'title': 'Survival Zone: Food and Water In the Savanna',
 | 
						|
                'description': 'Learn how to find both food and water while trekking in the African savannah. In this video from the Discovery Channel.',
 | 
						|
                'display_id': 'survival-zone-food-and-water-in-the-savanna',
 | 
						|
                'thumbnail': 're:^https?://.*\.jpg$',
 | 
						|
            },
 | 
						|
        },
 | 
						|
        {
 | 
						|
            'url': 'http://entertainment.howstuffworks.com/arts/2706-sword-swallowing-1-by-dan-meyer-video.htm',
 | 
						|
            'info_dict': {
 | 
						|
                'id': '440011',
 | 
						|
                'ext': 'mp4',
 | 
						|
                '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 <www.swordswallow.org>',
 | 
						|
                'display_id': 'sword-swallowing-1-by-dan-meyer',
 | 
						|
                'thumbnail': 're:^https?://.*\.jpg$',
 | 
						|
            },
 | 
						|
        },
 | 
						|
        {
 | 
						|
            'url': 'http://shows.howstuffworks.com/stuff-to-blow-your-mind/optical-illusions-video.htm',
 | 
						|
            'only_matching': True,
 | 
						|
        }
 | 
						|
    ]
 | 
						|
 | 
						|
    def _real_extract(self, url):
 | 
						|
        display_id = self._match_id(url)
 | 
						|
        webpage = self._download_webpage(url, display_id)
 | 
						|
        clip_js = self._search_regex(
 | 
						|
            r'(?s)var clip = ({.*?});', webpage, 'clip info')
 | 
						|
        clip_info = self._parse_json(
 | 
						|
            clip_js, display_id, transform_source=js_to_json)
 | 
						|
 | 
						|
        video_id = clip_info['content_id']
 | 
						|
        formats = []
 | 
						|
        m3u8_url = clip_info.get('m3u8')
 | 
						|
        if m3u8_url and determine_ext(m3u8_url) == 'm3u8':
 | 
						|
            formats.extend(self._extract_m3u8_formats(m3u8_url, video_id, 'mp4', format_id='hls', fatal=True))
 | 
						|
        flv_url = clip_info.get('flv_url')
 | 
						|
        if flv_url:
 | 
						|
            formats.append({
 | 
						|
                'url': flv_url,
 | 
						|
                'format_id': 'flv',
 | 
						|
            })
 | 
						|
        for video in clip_info.get('mp4', []):
 | 
						|
            formats.append({
 | 
						|
                'url': video['src'],
 | 
						|
                'format_id': 'mp4-%s' % video['bitrate'],
 | 
						|
                'vbr': int_or_none(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_or_none(video.attrib['system-bitrate'], scale=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': '%s' % video_id,
 | 
						|
            'display_id': display_id,
 | 
						|
            'title': unescapeHTML(clip_info['clip_title']),
 | 
						|
            'description': unescapeHTML(clip_info.get('caption')),
 | 
						|
            'thumbnail': clip_info.get('video_still_url'),
 | 
						|
            'duration': int_or_none(clip_info.get('duration')),
 | 
						|
            'formats': formats,
 | 
						|
        }
 |