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Add Ustream channel support

This commit is contained in:
tewe 2013-09-12 12:30:14 +02:00
parent c247d87ef3
commit bfd5c93af9
2 changed files with 71 additions and 1 deletions

View file

@ -96,7 +96,7 @@ from .tudou import TudouIE
from .tumblr import TumblrIE
from .tutv import TutvIE
from .unistra import UnistraIE
from .ustream import UstreamIE
from .ustream import UstreamIE, UstreamChannelIE
from .vbox7 import Vbox7IE
from .veehd import VeeHDIE
from .veoh import VeohIE

View file

@ -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)]