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from __future__ import unicode_literals
from .common import InfoExtractor
class HowStuffWorksIE(InfoExtractor):
_VALID_URL = r'https?://[\da-z-]+\.howstuffworks\.com/(?:[^/]+/)*\d+-(?P<id>.+?)-video\.htm'
_TESTS = [
{
'url': 'http://adventure.howstuffworks.com/39521-deadliest-catch-nautical-collision-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',
},
},
{
'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.',
'thumbnail': 'http://s.hswstatic.com/gif/videos/480x360/7199.jpg',
},
},
{
'url': 'http://entertainment.howstuffworks.com/arts/34476-time-warp-fire-breathing-disaster-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',
},
},
]
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')
formats = []
m3u8_url = self._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(
'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')),
})
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),
'formats': formats,
}
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