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authortewe <tewe@github>2013-09-12 12:30:14 +0200
committertewe <tewe@github>2013-09-12 12:30:14 +0200
commitbfd5c93af9f9eee938c628f19c997f999f21c74e (patch)
tree9b26ca6fc7877f378fe8574dbecd654845688d32 /youtube_dl/extractor/ustream.py
parentc247d87ef3a7f03dfcc28e3fc23dee9ec34835d7 (diff)
Add Ustream channel support
Diffstat (limited to 'youtube_dl/extractor/ustream.py')
-rw-r--r--youtube_dl/extractor/ustream.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/youtube_dl/extractor/ustream.py b/youtube_dl/extractor/ustream.py
index 5f423870a..16cdcc765 100644
--- a/youtube_dl/extractor/ustream.py
+++ b/youtube_dl/extractor/ustream.py
@@ -1,4 +1,7 @@
+from HTMLParser import HTMLParser
+import json
import re
+from urlparse import urljoin
from .common import InfoExtractor
@@ -43,3 +46,70 @@ class UstreamIE(InfoExtractor):
'thumbnail': thumbnail,
}
return info
+
+# More robust than regular expressions
+
+class ChannelParser(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(HTMLParser):
+ """
+ <li class="content123 video" data-content-id="123" data-length="1452"
+ data-href="/recorded/123" data-og-url="/recorded/123">
+ """
+ def __init__(self):
+ 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')
+ # Slugs can be non-ascii, but youtube-dl can't handle non-ascii command lines,
+ # so if we got this far it's probably percent encoded and we needn't worry.
+
+ 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(urljoin(BASE, next_url), channel_id))
+ p.feed(reply['data'])
+ next_url = reply['nextUrl']
+ p.close()
+ video_ids = p.content_ids
+
+ # From YoutubeChannelIE
+
+ self._downloader.to_screen(u'[ustream] Channel %s: Found %i videos' % (channel_id, len(video_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)]