mirror of
				https://github.com/yt-dlp/yt-dlp.git
				synced 2025-11-04 00:25:15 +00:00 
			
		
		
		
	Using https://github.com/asottile/pyupgrade 1. `__future__` imports and `coding: utf-8` were removed 2. Files were rewritten with `pyupgrade --py36-plus --keep-percent-format` 3. f-strings were cherry-picked from `pyupgrade --py36-plus` Extractors are left untouched (except removing header) to avoid unnecessary merge conflicts
		
			
				
	
	
		
			89 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
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|stuff(?:(?:youshould|theydontwantyouto)know|toblowyourmind|momnevertoldyou)|(?:brain|car)stuffshow|fwthinking|geniusstuff)\.com/(?:[^/]+/)*(?:\d+-)?(?P<id>.+?)-video\.htm'
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    _TESTS = [
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        {
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            'url': 'http://www.stufftoblowyourmind.com/videos/optical-illusions-video.htm',
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            'md5': '76646a5acc0c92bf7cd66751ca5db94d',
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            'info_dict': {
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                'id': '855410',
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                'ext': 'mp4',
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                'title': 'Your Trickster Brain: Optical Illusions -- Science on the Web',
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                'description': 'md5:e374ff9561f6833ad076a8cc0a5ab2fb',
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            },
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        },
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        {
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            'url': 'http://shows.howstuffworks.com/more-shows/why-does-balloon-stick-to-hair-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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