116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
from HTMLParser import HTMLParser
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import json
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import re
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from urlparse import urljoin
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from .common import InfoExtractor
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class UstreamIE(InfoExtractor):
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_VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P<videoID>\d+)'
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IE_NAME = u'ustream'
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_TEST = {
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u'url': u'http://www.ustream.tv/recorded/20274954',
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u'file': u'20274954.flv',
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u'md5': u'088f151799e8f572f84eb62f17d73e5c',
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u'info_dict': {
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u"uploader": u"Young Americans for Liberty",
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u"title": u"Young Americans for Liberty February 7, 2012 2:28 AM"
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}
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}
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url)
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video_id = m.group('videoID')
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video_url = u'http://tcdn.ustream.tv/video/%s' % video_id
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webpage = self._download_webpage(url, video_id)
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self.report_extraction(video_id)
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video_title = self._html_search_regex(r'data-title="(?P<title>.+)"',
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webpage, u'title')
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uploader = self._html_search_regex(r'data-content-type="channel".*?>(?P<uploader>.*?)</a>',
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webpage, u'uploader', fatal=False, flags=re.DOTALL)
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thumbnail = self._html_search_regex(r'<link rel="image_src" href="(?P<thumb>.*?)"',
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webpage, u'thumbnail', fatal=False)
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info = {
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'id': video_id,
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'url': video_url,
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'ext': 'flv',
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'title': video_title,
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'uploader': uploader,
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'thumbnail': thumbnail,
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}
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return info
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# More robust than regular expressions
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class ChannelParser(HTMLParser):
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"""
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<meta name="ustream:channel_id" content="1234">
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"""
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channel_id = None
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def handle_starttag(self, tag, attrs):
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if tag != 'meta':
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return
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values = dict(attrs)
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if values.get('name') != 'ustream:channel_id':
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return
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value = values.get('content', '')
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if value.isdigit():
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self.channel_id = value
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class SocialstreamParser(HTMLParser):
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"""
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<li class="content123 video" data-content-id="123" data-length="1452"
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data-href="/recorded/123" data-og-url="/recorded/123">
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"""
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def __init__(self):
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HTMLParser.__init__(self)
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self.content_ids = []
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def handle_starttag(self, tag, attrs):
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if tag != 'li':
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return
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for (attr, value) in attrs:
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if attr == 'data-content-id' and value.isdigit():
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self.content_ids.append(value)
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class UstreamChannelIE(InfoExtractor):
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_VALID_URL = r'https?://www\.ustream\.tv/channel/(?P<slug>.+)'
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IE_NAME = u'ustream:channel'
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url)
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slug = m.group('slug')
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# Slugs can be non-ascii, but youtube-dl can't handle non-ascii command lines,
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# so if we got this far it's probably percent encoded and we needn't worry.
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p = ChannelParser()
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p.feed(self._download_webpage(url, slug))
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p.close()
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channel_id = p.channel_id
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p = SocialstreamParser()
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BASE = 'http://www.ustream.tv'
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next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id
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while next_url:
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reply = json.loads(self._download_webpage(urljoin(BASE, next_url), channel_id))
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p.feed(reply['data'])
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next_url = reply['nextUrl']
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p.close()
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video_ids = p.content_ids
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# From YoutubeChannelIE
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self._downloader.to_screen(u'[ustream] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
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urls = ['http://www.ustream.tv/recorded/' + vid for vid in video_ids]
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url_entries = [self.url_result(eurl, 'Ustream') for eurl in urls]
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return [self.playlist_result(url_entries, channel_id)]
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