Support BBC News (bbc.com/news)
fnord
10 years ago
parent
360075e28a
commit
9e96dc8b35
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from __future__ import unicode_literals
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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int_or_none,
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)
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from ..compat import compat_HTTPError
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import re
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from .bbccouk import BBCCoUkIE
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class BBCNewsIE(BBCCoUkIE):
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IE_NAME = 'bbc.com'
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IE_DESC = 'BBC news'
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_VALID_URL = r'https?://(?:www\.)?(?:bbc\.co\.uk|bbc\.com)/news/(?P<id>[^/]+)'
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_TESTS = [{
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'url': 'http://www.bbc.com/news/world-europe-32668511',
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'info_dict': {
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'id': 'world-europe-32668511',
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'title': 'Russia stages massive WW2 parade despite Western boycott',
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},
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'playlist_count': 2,
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},{
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'url': 'http://www.bbc.com/news/business-28299555',
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'info_dict': {
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'id': 'business-28299555',
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'title': 'Farnborough Airshow: Video highlights',
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},
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'playlist_count': 9,
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},{
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'url': 'http://www.bbc.com/news/world-europe-32041533',
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'note': 'Video',
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'info_dict': {
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'id': 'p02mprgb',
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'ext': 'mp4',
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'title': 'Aerial footage showed the site of the crash in the Alps - courtesy BFM TV',
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'description': 'Germanwings plane crash site in aerial video - Aerial footage showed the site of the crash in the Alps - courtesy BFM TV',
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'duration': 47,
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},
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'params': {
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'skip_download': True,
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}
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}]
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def _duration_str2int(self, str):
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if not str:
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return None
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ret = re.match(r'^\d+$', str)
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if ret:
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return int(ret.group(0))
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ret = re.match(r'PT((?P<h>\d+)H)?((?P<m>\d+)M)?(?P<s>\d+)S$', str)
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if ret:
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total=int(ret.group('s'))
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if ret.group('m'):
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total+=(int(ret.group('m'))*60)
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if ret.group('h'):
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total+=(int(ret.group('h'))*3600)
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return total
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return None
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def _download_media_selector(self, programme_id):
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# bbc news uses http://open.live.bbc.co.uk/mediaselector/4/mtis/stream/ not
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# http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/
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# Could add third urlspec arg to BBCCoUkIE._download_media_selector instead of duplicating it
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try:
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media_selection = self._download_xml(
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'http://open.live.bbc.co.uk/mediaselector/4/mtis/stream/%s' % programme_id,
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programme_id, 'Downloading media selection XML')
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except ExtractorError as ee:
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if isinstance(ee.cause, compat_HTTPError) and ee.cause.code == 403:
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media_selection = xml.etree.ElementTree.fromstring(ee.cause.read().encode('utf-8'))
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else:
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raise
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formats = []
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subtitles = None
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for media in self._extract_medias(media_selection):
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kind = media.get('kind')
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if kind == 'audio':
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formats.extend(self._extract_audio(media, programme_id))
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elif kind == 'video':
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formats.extend(self._extract_video(media, programme_id))
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elif kind == 'captions':
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subtitles = self.extract_subtitles(media, programme_id)
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formats = []
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subtitles = None
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for media in self._extract_medias(media_selection):
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kind = media.get('kind')
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if kind == 'audio':
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formats.extend(self._extract_audio(media, programme_id))
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elif kind == 'video':
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formats.extend(self._extract_video(media, programme_id))
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elif kind == 'captions':
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subtitles = self.extract_subtitles(media, programme_id)
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return formats, subtitles
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def _real_extract(self, url):
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list_id = self._match_id(url)
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webpage = self._download_webpage(url, list_id)
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list_title = self._html_search_regex(r'<title>(.*?)(?:\s*-\s*BBC News)?</title>', webpage, 'list title')
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pubdate = self._html_search_regex(r'"datePublished":\s*"(\d+-\d+-\d+)', webpage, 'date', default=None)
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if pubdate:
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pubdate = pubdate.replace('-','')
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ret = []
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# works with bbc.com/news/something-something-123456 articles
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matches = re.findall(r"data-media-meta='({[^']+})'", webpage)
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if not matches:
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# stubbornly generic extractor for {json with "image":{allvideoshavethis},etc}
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# in http://www.bbc.com/news/video_and_audio/international
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matches = re.findall(r"({[^{}]+image\":{[^}]+}[^}]+})", webpage)
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if not matches:
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raise ExtractorError('No video found', expected=True)
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for ent in matches:
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jent = self._parse_json(ent,list_id)
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programme_id = jent.get('externalId',None)
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xml_url = jent.get('href', None)
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title = jent['caption']
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duration = self._duration_str2int(jent.get('duration',None))
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description = list_title + ' - ' + jent.get('caption','')
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thumbnail = None
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if jent.has_key('image'):
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thumbnail=jent['image'].get('href',None)
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if programme_id:
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formats, subtitles = self._download_media_selector(programme_id)
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elif xml_url:
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# Cheap fallback
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# http://playlists.bbc.co.uk/news/(list_id)[ABC..]/playlist.sxml
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xml = self._download_webpage(xml_url, programme_id, 'Downloading playlist.sxml for externalId (fallback)')
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programme_id = self._search_regex(r'<mediator [^>]*identifier="(.+?)"', xml, 'playlist.sxml (externalId fallback)')
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formats, subtitles = self._download_media_selector(programme_id)
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else:
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raise ExtractorError('data-media-meta entry has no externalId or href value.')
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self._sort_formats(formats)
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ret.append( {
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'id': programme_id,
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'uploader': 'BBC News',
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'upload_date': pubdate,
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'title': title,
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'description': description,
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'thumbnail': thumbnail,
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'duration': duration,
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'formats': formats,
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'subtitles': subtitles,
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} )
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if len(ret) > 0:
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return self.playlist_result(ret, list_id, list_title)
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raise ExtractorError('No video found', expected=True)
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