+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<videoID>\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)
'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)