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mirror of https://github.com/l1ving/youtube-dl synced 2024-11-30 17:32:52 +08:00
youtube-dl/youtube_dl/extractor/nbc.py
2014-10-27 01:14:17 +01:00

119 lines
4.1 KiB
Python

from __future__ import unicode_literals
import re
import json
from .common import InfoExtractor
from ..utils import (
compat_str,
ExtractorError,
find_xpath_attr,
)
class NBCIE(InfoExtractor):
_VALID_URL = r'http://www\.nbc\.com/[^/]+/video/[^/]+/(?P<id>n?\d+)'
_TEST = {
'url': 'http://www.nbc.com/chicago-fire/video/i-am-a-firefighter/2734188',
# md5 checksum is not stable
'info_dict': {
'id': 'bTmnLCvIbaaH',
'ext': 'flv',
'title': 'I Am a Firefighter',
'description': 'An emergency puts Dawson\'sf irefighter skills to the ultimate test in this four-part digital series.',
},
}
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
theplatform_url = self._search_regex('class="video-player video-player-full" data-mpx-url="(.*?)"', webpage, 'theplatform url')
if theplatform_url.startswith('//'):
theplatform_url = 'http:' + theplatform_url
return self.url_result(theplatform_url)
class NBCNewsIE(InfoExtractor):
_VALID_URL = r'''(?x)https?://www\.nbcnews\.com/
((video/.+?/(?P<id>\d+))|
(feature/[^/]+/(?P<title>.+)))
'''
_TESTS = [
{
'url': 'http://www.nbcnews.com/video/nbc-news/52753292',
'md5': '47abaac93c6eaf9ad37ee6c4463a5179',
'info_dict': {
'id': '52753292',
'ext': 'flv',
'title': 'Crew emerges after four-month Mars food study',
'description': 'md5:24e632ffac72b35f8b67a12d1b6ddfc1',
},
},
{
'url': 'http://www.nbcnews.com/feature/edward-snowden-interview/how-twitter-reacted-snowden-interview-n117236',
'md5': 'b2421750c9f260783721d898f4c42063',
'info_dict': {
'id': 'I1wpAI_zmhsQ',
'ext': 'mp4',
'title': 'How Twitter Reacted To The Snowden Interview',
'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
},
'add_ie': ['ThePlatform'],
},
]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
if video_id is not None:
all_info = self._download_xml('http://www.nbcnews.com/id/%s/displaymode/1219' % video_id, video_id)
info = all_info.find('video')
return {
'id': video_id,
'title': info.find('headline').text,
'ext': 'flv',
'url': find_xpath_attr(info, 'media', 'type', 'flashVideo').text,
'description': compat_str(info.find('caption').text),
'thumbnail': find_xpath_attr(info, 'media', 'type', 'thumbnail').text,
}
else:
# "feature" pages use theplatform.com
title = mobj.group('title')
webpage = self._download_webpage(url, title)
bootstrap_json = self._search_regex(
r'var bootstrapJson = ({.+})\s*$', webpage, 'bootstrap json',
flags=re.MULTILINE)
bootstrap = json.loads(bootstrap_json)
info = bootstrap['results'][0]['video']
mpxid = info['mpxId']
base_urls = [
info['fallbackPlaylistUrl'],
info['associatedPlaylistUrl'],
]
for base_url in base_urls:
if not base_url:
continue
playlist_url = base_url + '?form=MPXNBCNewsAPI'
all_videos = self._download_json(playlist_url, title)['videos']
try:
info = next(v for v in all_videos if v['mpxId'] == mpxid)
break
except StopIteration:
continue
if info is None:
raise ExtractorError('Could not find video in playlists')
return {
'_type': 'url',
# We get the best quality video
'url': info['videoAssets'][-1]['publicUrl'],
'ie_key': 'ThePlatform',
}