ytdl/youtube_dl/extractor/bbcnews.py

163 lines
6.2 KiB
Python
Raw Normal View History

2015-06-19 08:36:59 +02:00
from __future__ import unicode_literals
from .common import InfoExtractor
from ..utils import (
ExtractorError,
int_or_none,
)
from ..compat import compat_HTTPError
import re
from .bbccouk import BBCCoUkIE
class BBCNewsIE(BBCCoUkIE):
IE_NAME = 'bbc.com'
IE_DESC = 'BBC news'
_VALID_URL = r'https?://(?:www\.)?(?:bbc\.co\.uk|bbc\.com)/news/(?P<id>[^/]+)'
_TESTS = [{
'url': 'http://www.bbc.com/news/world-europe-32668511',
'info_dict': {
'id': 'world-europe-32668511',
'title': 'Russia stages massive WW2 parade despite Western boycott',
},
'playlist_count': 2,
},{
'url': 'http://www.bbc.com/news/business-28299555',
'info_dict': {
'id': 'business-28299555',
'title': 'Farnborough Airshow: Video highlights',
},
'playlist_count': 9,
},{
'url': 'http://www.bbc.com/news/world-europe-32041533',
'note': 'Video',
'info_dict': {
'id': 'p02mprgb',
'ext': 'mp4',
'title': 'Aerial footage showed the site of the crash in the Alps - courtesy BFM TV',
'description': 'Germanwings plane crash site in aerial video - Aerial footage showed the site of the crash in the Alps - courtesy BFM TV',
'duration': 47,
},
'params': {
'skip_download': True,
}
}]
def _duration_str2int(self, str):
if not str:
return None
ret = re.match(r'^\d+$', str)
if ret:
return int(ret.group(0))
ret = re.match(r'PT((?P<h>\d+)H)?((?P<m>\d+)M)?(?P<s>\d+)S$', str)
if ret:
total=int(ret.group('s'))
if ret.group('m'):
total+=(int(ret.group('m'))*60)
if ret.group('h'):
total+=(int(ret.group('h'))*3600)
return total
return None
def _download_media_selector(self, programme_id):
# bbc news uses http://open.live.bbc.co.uk/mediaselector/4/mtis/stream/ not
# http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/
# Could add third urlspec arg to BBCCoUkIE._download_media_selector instead of duplicating it
try:
media_selection = self._download_xml(
'http://open.live.bbc.co.uk/mediaselector/4/mtis/stream/%s' % programme_id,
programme_id, 'Downloading media selection XML')
except ExtractorError as ee:
if isinstance(ee.cause, compat_HTTPError) and ee.cause.code == 403:
media_selection = xml.etree.ElementTree.fromstring(ee.cause.read().encode('utf-8'))
else:
raise
formats = []
subtitles = None
for media in self._extract_medias(media_selection):
kind = media.get('kind')
if kind == 'audio':
formats.extend(self._extract_audio(media, programme_id))
elif kind == 'video':
formats.extend(self._extract_video(media, programme_id))
elif kind == 'captions':
subtitles = self.extract_subtitles(media, programme_id)
formats = []
subtitles = None
for media in self._extract_medias(media_selection):
kind = media.get('kind')
if kind == 'audio':
formats.extend(self._extract_audio(media, programme_id))
elif kind == 'video':
formats.extend(self._extract_video(media, programme_id))
elif kind == 'captions':
subtitles = self.extract_subtitles(media, programme_id)
return formats, subtitles
def _real_extract(self, url):
list_id = self._match_id(url)
webpage = self._download_webpage(url, list_id)
list_title = self._html_search_regex(r'<title>(.*?)(?:\s*-\s*BBC News)?</title>', webpage, 'list title')
pubdate = self._html_search_regex(r'"datePublished":\s*"(\d+-\d+-\d+)', webpage, 'date', default=None)
if pubdate:
pubdate = pubdate.replace('-','')
ret = []
# works with bbc.com/news/something-something-123456 articles
matches = re.findall(r"data-media-meta='({[^']+})'", webpage)
if not matches:
# stubbornly generic extractor for {json with "image":{allvideoshavethis},etc}
# in http://www.bbc.com/news/video_and_audio/international
matches = re.findall(r"({[^{}]+image\":{[^}]+}[^}]+})", webpage)
if not matches:
raise ExtractorError('No video found', expected=True)
for ent in matches:
jent = self._parse_json(ent,list_id)
programme_id = jent.get('externalId',None)
xml_url = jent.get('href', None)
title = jent['caption']
duration = self._duration_str2int(jent.get('duration',None))
description = list_title + ' - ' + jent.get('caption','')
thumbnail = None
if jent.has_key('image'):
thumbnail=jent['image'].get('href',None)
if programme_id:
formats, subtitles = self._download_media_selector(programme_id)
elif xml_url:
# Cheap fallback
# http://playlists.bbc.co.uk/news/(list_id)[ABC..]/playlist.sxml
xml = self._download_webpage(xml_url, programme_id, 'Downloading playlist.sxml for externalId (fallback)')
programme_id = self._search_regex(r'<mediator [^>]*identifier="(.+?)"', xml, 'playlist.sxml (externalId fallback)')
formats, subtitles = self._download_media_selector(programme_id)
else:
raise ExtractorError('data-media-meta entry has no externalId or href value.')
self._sort_formats(formats)
ret.append( {
'id': programme_id,
'uploader': 'BBC News',
'upload_date': pubdate,
'title': title,
'description': description,
'thumbnail': thumbnail,
'duration': duration,
'formats': formats,
'subtitles': subtitles,
} )
if len(ret) > 0:
return self.playlist_result(ret, list_id, list_title)
raise ExtractorError('No video found', expected=True)