import json import re from .common import InfoExtractor from ..utils import ( compat_urlparse, compat_html_parser, ) class UstreamIE(InfoExtractor): _VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P\d+)' IE_NAME = u'ustream' _TEST = { u'url': u'http://www.ustream.tv/recorded/20274954', u'file': u'20274954.flv', u'md5': u'088f151799e8f572f84eb62f17d73e5c', u'info_dict': { u"uploader": u"Young Americans for Liberty", u"title": u"Young Americans for Liberty February 7, 2012 2:28 AM" } } def _real_extract(self, url): m = re.match(self._VALID_URL, url) video_id = m.group('videoID') video_url = u'http://tcdn.ustream.tv/video/%s' % video_id webpage = self._download_webpage(url, video_id) self.report_extraction(video_id) video_title = self._html_search_regex(r'data-title="(?P.+)"', webpage, u'title') uploader = self._html_search_regex(r'data-content-type="channel".*?>(?P<uploader>.*?)</a>', webpage, u'uploader', fatal=False, flags=re.DOTALL) thumbnail = self._html_search_regex(r'<link rel="image_src" href="(?P<thumb>.*?)"', webpage, u'thumbnail', fatal=False) info = { 'id': video_id, 'url': video_url, 'ext': 'flv', 'title': video_title, 'uploader': uploader, 'thumbnail': thumbnail, } return info # More robust than regular expressions class ChannelParser(compat_html_parser.HTMLParser): """ <meta name="ustream:channel_id" content="1234"> """ channel_id = None def handle_starttag(self, tag, attrs): if tag != 'meta': return values = dict(attrs) if values.get('name') != 'ustream:channel_id': return value = values.get('content', '') if value.isdigit(): self.channel_id = value class SocialstreamParser(compat_html_parser.HTMLParser): """ <li class="content123 video" data-content-id="123" data-length="1452" data-href="/recorded/123" data-og-url="/recorded/123"> """ def __init__(self): compat_html_parser.HTMLParser.__init__(self) self.content_ids = [] def handle_starttag(self, tag, attrs): if tag != 'li': return for (attr, value) in attrs: if attr == 'data-content-id' and value.isdigit(): self.content_ids.append(value) class UstreamChannelIE(InfoExtractor): _VALID_URL = r'https?://www\.ustream\.tv/channel/(?P<slug>.+)' IE_NAME = u'ustream:channel' def _real_extract(self, url): m = re.match(self._VALID_URL, url) slug = m.group('slug') p = ChannelParser() p.feed(self._download_webpage(url, slug)) p.close() channel_id = p.channel_id p = SocialstreamParser() BASE = 'http://www.ustream.tv' next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id while next_url: reply = json.loads(self._download_webpage(compat_urlparse.urljoin(BASE, next_url), channel_id)) p.feed(reply['data']) next_url = reply['nextUrl'] p.close() video_ids = p.content_ids urls = ['http://www.ustream.tv/recorded/' + vid for vid in video_ids] url_entries = [self.url_result(eurl, 'Ustream') for eurl in urls] return self.playlist_result(url_entries, channel_id)